fuses & fuseholder
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6 Strategic Business Units
Fuses Circuit
Breakers
Connectors
EMC Input System Other Products
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Resettable Fuses
Non Resettable Fuses
Telecom Fuses
Varistors
Fuseholder Blocks/ Clips
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Fuses Basic
* Overload / Over current
- A relatively small increase incurrent (Amps) in excess of
the maximum admissiblecurrent
* Short-Circuit
- A rapid increase in currentconsiderably in excess of the
maximum admissible current
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Primary and Secondary ProtectionPrimary and Secondary Protection
Primary Protection
Primary Protectionfrequently comprises acombination of resistors andsurge arrestors and isusually located at thebuilding entry interface.
The task is to sufficientlyreduce the high-energyinterference distortion sothat they can be safelyabsorbed by the followingsecondary protection.
Primary
Protection
Secondary
Protection
ExchangeSubscriber
Secondary Protection
The secondary protection isnormally located directly at theappliance entry of the telecomequipment and has twoobjectives.1. It operates as a voltage limiter
which ensures that inter-ferences are absorbed orreduced to a level harmless forthe telecom equipment
2. It effectively suppresses highenergy level interferences
Primary ProtectionSecondary Protection
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Fuses Selection Guides
Fuses Materials: Glass/ Ceramic/ Thermoplastic Operating Voltage (AC/ DC) Operating Ampere (rated current) Ambient Temperature
Pre-Arcing Time( Fusing Time/ Melting Time) Inrush Current Peak (=> wave form => I2T) Pulse Factor Derating Maximum Interrupt Current Suitable Fuse Holders/ Clips
Size Safety Approvals
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Technical Functions:
Ultra small fuse with super-quick-acting
characteristics based on thin-fim technology.
SMD 0603 standard dimensions
1,6mm x 0,8mm
Approvals / Standards:
Rec. for USA and Canada, File E41599
Free of CCC (DFC)
Specialities: Lead-free
Features: Legend marking providesvisual identification ofAmpere rating
1'000, 5'000 or 15'000 pieces
per reel
USF 0603USF 0603 -- GeneralGeneral ProductProduct InformationInformation
Technical Details:
Rated Current Range 500mA-5A
Rated Voltage 32V
Breaking Capacity 50A/32V
over whole rated current range
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Technical Functions:Ultra small fuse with super-quick-actingcharacteristics
based on thin-film technology.
1206 standard dimensions 3,2 x 1,6 mm.
Approvals / Standards:
according to UL 248-1 / 248-14
Specialities: Lead-free
Legend marking provideswell visual identification
of ampere rating
USF 1206USF 1206 -- BasicBasic DataData
Technical Details:
Rated Current Range 500mA - 4A
Rated Voltage 32 VAC / 63 VDC
Breaking Capacity 50 A acrossthe entire current range
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Strategic PositioningFollower in a very attractive marketwith growth potential >15% p.year
Extension of our SMD productportfolios with standardized sizes
ApplicationsComputer-Peripherals, PC-Cards,
Disc-Drives, Modems, Mobile phones,
Personal Digital Assistants, Telecom,
Fax-Machines, LCD-screens,
Digital Cameras, Playstations, ...
USP Customer focus
Breaking capacity 50A across theentire current range
Low voltage drop and power dissipation
High voltage rating
Lead-free
Available in 1000, 5000 and 15000
piece reels
Price Position
competitive with market leader
much lower price than MGA
USF 1206USF 1206 -- MarketMarket AspectsAspects
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IEC quick-acting F characteristic High melting I2t
Universal modular Fuse (UMF) compliantwith IEC 60127-4/2
Standard industry footprint size(1206 = 3.2 x 1.6 mm)
Approvals / StandardsIEC 60127-4/2 (in house)
(due July 2006)
UL 248-14 (due August 2006)
CCC Free of CCC (due July 2006) Rated Current Range:
Rated Voltage:
Breaking Capacity:
0.5 to 6.3 A
63 VDC / 32 VAC
63 A @ 63 VDC63 A @ 32 VAC
Legend marking providesa clear visual identificationof ampere rating
USI 1206 - IEC compliant Surface Mount Chip Fuse
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Strategic Positioning First to market with UMF 1206
(smallest IEC quick-acting fusewith a standard 1206 footprint)
Original request came from Japan:First 1206 fuse with METI approval
Broadest range of UMF fuses onthe market
Applications Secondary Protection on PCB
(see following slides)
Main Competitors
No direct competition for the timebeing
USP Customer Focus
Withstands high inrush current
IEC approved fuse with a standard1206 footprint
Space saving on PCB4 to 5 times smaller than OMF 63 fuse
Temperature range from
- 55 C to + 90 CPrice Position
Same price level as USF 1206
USI 1206 - Market Aspects
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Wide Current range from 7 A to 25 A
Slow-Blow characteristic, high melting I2t
Standard industry footprint size(1206 = 3.2 x 1.6 mm)
Complements USI 1206 for high current
applications
UST 1206 High Current Chip Fuse
Rated Current Range: 7 A to 25 A
Rated voltage: 24 to 63 VDC24 to 32 VAC
Breaking Capacity: 100 to 150 A@ rated voltage
Approvals / Standards
UL 248-14CSA C22.2 No 248.14
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UST 1206 Market Aspects
Applications> Back lighted DC-AC Inverter Units
> Voltage Regulator Modules (VRM)
> DC-DC converters
> Applications with high power demandand/or inrush current
USP (Customer focus)
> Slow blow feature withstands highinrush currents and prevents nuisanceopenings
> Space saving on PCB, 1206 footprint
> Temperature range from- 55 C to + 90 C
Strategic Positioning> First to market with 25 A current
rating and 1206 footprint
Price Position
> Up to 15 A, same price level asUSI 1206
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USFF 1206 complements USF 1206 series for lowercurrent ratings
Low impedance results in low heat dissipation throughwire-bonding technology
Super-quick-acting characteristic
Current range extension below 160 mA will beavailable in future
USFF 1206 Low Current Chip Fuse
Rated Current Range: 160 to 250 mA
Rated Voltage: 125 VAC, 63 VDC
Breaking Capacity: 100 A @ 125 VAC100 A @ 63 VDC
Approvals,Standards
UL 248-14
New
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USFF 1206 Low Current Chip Fuse
Applications> Secondary DC-protection
> Computer peripherals
> Communication equipment
USP (Customer focus)
> Low impedance results in low heatdissipation
Strategic Positioning> Extend the fuse portfolio with a
chip fuse for low currentapplications
Price Position
> Attractive pricing for distribution
> Check with us for competitivepricing on larger volume business
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Weakness> Lowest current rating today is 160 mA
> Height of 1.6 mm is more thanstandard chip fuses
Strength> Very low impedance results in less heat
dissipation
> Complements the USF 1206 series withlower current ratings
Opportunities> Low current secondary protectionmarket
can be served with this product
Threats> Products offering this current rangeare
already available in the market
USFF 1206 SWOT Analysis
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Time-Lag IEC fuse Breaking Capacity: 200 A @ 250 VAC
Small dimensions
RoHS compliant
Approvals / Standards
IEC 60127-4 (pending) 315 mA ... 4 AUL 248-14 315 mA ... 4 ACSA C22.2 No. 248.14
Free of CCC (DFC) (pending) 315 mA ... 4 A
METI (pending) 1 A ... 4 A
UMT 250UMT 250 -- Surface Mount FuseSurface Mount Fuse
Marking provideswell visualidentification
Rated Voltage:
Breaking Capacity:
250 VAC / 125 VDC
200 A @ 250 VAC100 A @ 125 VDC
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Microfuses MST/ MXT/ MSF/ MSTU
MST/MXT/MSF/MSTUSeries
Save 50% board space
compared to 5x20 Low equipement costs
MXT/MSTU extend to 10A
MSTU with 50A BC
MXT with 100A BC
All are RoHS Compliant
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Cylinder Fuses
5X20mm Glass Fuse and Ceramic Fuse
(Fast Acting / Slow Blow IEC60127)
3.6X10mm Ceramic Fuse (Slow Blow)
6.3X32mm Glass Fuse and Ceramic Fuse (UL)
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Product designed and manufactured by Chi LickSchurter Limited in China
High current ratings up to 30 A @ 250 VAC
Low impedance results in low heat dissipation
Slow-blow characteristic
Beryllium-Copper Clip accepts current up to 30 A
Product for high current power supply equipments inindustrial applications
SUT 6.3x32 + CQP Cartridge Fuse and Clip
Rated Current Range: 12 A to 30 A
Rated voltage: 250 VAC
Breaking Capacity: 500 A @ 250 VAC
Approvals, Standards
UL 248-14
SUT 6.3x32 CQP
SUT 6.3x32 Pigtail
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SUT 6.3x32 + CQP Cartridge Fuse and Clip
Applications> SMPS for industrial use
> HVAC applications(heating, ventilation and air-conditioning)
USP (Customer focus)
> Low heat dissipation in high currentsingle-phase applications
> Choice of pigtail or clip solution
Strategic Positioning> Extend the fuse portfolio with a
product for the high current single-phase market
Competitors
> LF 326 series (SUT 6.3x32)> LF 325 series (SUT 6.3x32 Pigtail)
> LF 122 series (CQP)
> Bussmann MDA series
> Belfuse GSA series
Price Position
> Attractive pricing for distribution
> Check with us for competitivepricing on larger volume business
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SUT 6.3x32 + CQP Applications
SUT 6.3x32 is suited forapplications with a powerrange of 2.5 kW up to7.5 kW
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SUT 6.3x32 + CQP - Applications
E.g. high power SMPSor HVAC
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SUT 6.3x32 + CQP Cross Reference ListManufacturer SCHURTER Littelfuse Bussmann Belfuse
Country Switzerland USA USA USA
www.schurter.com www.littelfuse.com www.bussmann.com www.belfuse.com
Type SUT 6.3x32 325 / 326 MDA GSA
Fuse Design UL 248-14 UL 248-14 UL 248-14 UL 248-14
Time-Current Characteristic Slow-Blow Slow-Blow Time-Dekay Slow-Blow
Rated Current Range 12 A - 30 A 0.01 A - 30 A 0.25 A - 30 A 0.063 A - 15 A
Rated Voltage AC 250 250 250 250
Rated Voltage DC - - 125 (20 - 30 A) -
Breaking Capacity500 A @ rated
voltage
400 A @ rated
voltage
35 - 1500 A @ rated
voltage
35 - 750 A @ rated
voltage
Voltage Drop typ. (20 A) 87 mV - 95 mV -
Pre-arcing I2t typ. (20 A) 750.0 1900.0 483.0 -
Characteristic [% In]100%: >4 h
135%: 5 s, 4 h
135%: 5 s,
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Product designed and manufactured by Chi LickSchurter Ltd. in China
Time-lag T characteristic acc. to IEC 60127-3/4
VDE UG, UL, CSA and CQC recognized
Product for volume business in consumer andindustrial applications
Similar technical characteristic as MST 250
SPT 3.6x10
Axial lead & Cartridge Fuse
Rated Current Range: 100 mA to 5 A
Rated voltage: 250 VAC
Breaking Capacity: 35 to 50 A @ 250VAC
Approvals,Standards
IEC 60127-3/4
UL 248-14GB 9364
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SPT 3.6x10 Axial lead & Cartridge Fuse
Applications> SMPS in Consumer Market
> Rectifier
> Power Adapter, Charger
> Applications designed in emergingcountries
USP (Customer focus)
> Small fuse product with IEC designand time-lag characteristic
Strategic Positioning> Extend the portfolio with a product
for the volume consumer marketbusiness
Price Position
> Attractive pricing for distribution
> Check with us for competitivepricing for larger volume business
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Cylinder Fuses Approvals
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Telecom Fuses
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Difference betweenDifference between
IEC 60127 / UL 248IEC 60127 / UL 248--14 and Telecom Fuse14 and Telecom Fuse
IEC 60127 / UL 248-14 Telecom
Characteristic Time-Lag T Time-Lag T
Fuse Types
UMT 250MSTU 250FRT 250TSPT 5x20
TF 600
ApplicationsPrimary Protection inPower Supplies
Input Module Telecom Line
Schematic of a
Typical
Application
Safety Standards
IEC 60127UL 248-14CSA C22.2 no. 248.14
UL 60950 / IEC 60950UL 248-14CSA C22.2 no. 248.14
Application
Standards
GR-1089-COREITU-T K.20
TIA-968-A
FUSE
AC
AC
+
CAP
-
DIODE
OVD
OVD
FUSE
FUSE
RES2
RES2
TIP
RING
OUT
OUT
Product Standards Applications
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Clip option for fuse replacement without soldering.Available in blister tape for automatic assembly
UMZ 250 = UMT 250 (Au) + UMC 250Independent approvals for fuse and clip, thereforeUMZ 250 has no approvals
Gold plating is required for the reflow soldering
process, standard UMT 250 can be used forreplacement.
UMZ 250UMT 250 and Clip
Current Range: 315 mA 4 A
Rated Voltage: 250 VAC (VDE)277 VAC
(UL/CSA)
Breaking Capacity: 200 A @ 250VAC
200 A @ 63VAC/DC
Approvals,Standards
IEC 60127-4
UL 248-14CSA C22.2 no
248.14
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UMZ 250 Market Aspects
Applications> Primary and secondary over-current
protection, AC and DC voltages
> Power Supplies
> PC Servers
> Medical Appliances
USP (Customer focus)
> Clip option where a SMD-fuse can bereplaced in the field without soldering
Strategic Positioning> Clip option serves a niche market,
where only the UMT 250 fuse isallowed to be used
Price Position
> Attractive
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Approved according ESA/SCC GenericSpecification No 4008
Smallest SMD Fuse with this qualification(1206 = 3.2 x 1.6 mm)
European Supplier
Approvals / Standards
UL 248-14
Rated Current Range: 0.2 to 5.0 A
Rated Voltage: 32 - 125 VDC / 32 - 125 VAC
Breaking Capacity: 300 A @ 125 VDC ( 3 A)
50 A @ 125 VAC ( 3 A)
MGA-S - ESA Qualified Surface Mount Fuse
New
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Strategic Positioning
The space industry in Europe islooking for an European Supplier
Smallest SMD-fuse withESA approval
Applications
Used in military and commercialsatellites to protect power supplies,batteries and solar arrays
USP Customer Focus ESA qualified according to
Generic Specification No 4008
European supplier
Second source
High Breaking Capacity of 300 A @125 VDC up to 3 A
Price Position
47.- per piece compared toto $90.- per piece from AEM
MGA-S - Market Aspects
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NewSolar Fuse ASO and Fuse holder FSOASO, FSO: protection for photovoltaic (PV) and similar DC-applications
1) Solar Power Inverters ( )A Solar inverter or PV inverter is a type ofelectrical inverterthat is made to change the direct current (DC)electricity from a photovoltaic array into alternating current (AC) for use with home appliancesand possibly a utility grid
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Technology Trend Fuses
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Fuse holder / Blocks/ Clips
Fuse Holders : for Fuses 5x20mm / 6.3x32mm
Fuse Blocks : for Fuses 5x20mm / 6.3x32mm
Fuse Clips : for Fuses 5x20mm / 6.3x32mm / Micro Fuses
New
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For 6,3 x 32 mm and 5 x 20 mm fuses High Rated Power Acceptance of 4 W @ 10 A
Bar packaging for automated assembly
RoHS compliant
Lead-free
OGDOGD--SMDSMD -- FuseholderFuseholderOpenOpen DesignDesign
Approvals / Standards
IEC 60127-6
UL 512CSA C22.2 No. 39
Rated Power Acceptance:
Rated Voltage:
Rated Current:
4 W @ 10 A
250 VAC
10 A (IEC)16 A (UL/CSA)
optional
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Strategic Positioning
Extending SMD portfolio
High quality solution focussingon cost savings for fustomersmanufacturing process
Applications
Household equipment
Manufacturing automats
Power supplies
Measuring equipment
Laboratory equipment
USP Customer Focus Manufacturing cost savings
RoHS compliant
Lead-free
Price Position
Medium
OGDOGD--SMDSMD -- Market AspectsMarket Aspects
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Directly solderable on printed circuit boards For 5x20 mm fuse-links
Shock-Safe Fuseholder
Blister packaging for automated assembly
RoHS-compliant / Lead-free
FPG7FPG7 -- Surface Mount ShockSurface Mount Shock--SafeSafe FuseholderFuseholder
Approvals / Standards
IEC 60127-6
UL 512CSA C22.2 No. 39
Rated Power Acceptance:
Rated Voltage: Rated Current:
Degree of Protection:
2.5 W @ 10 A
250 VAC10 A (IEC)/16 A (UL/CSA)
IP40
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Fuseholder for Fuses 5x20 or 6.3x32 mm
horizontal, for high currents
PCB mount
Shocksafe category PC2
Standards IEC 60127-6/EN 60127-6UL 512/CSA C22.2 No.39
Approbation:
16A; 250 VAC(pending)
20A;250 (380) VAC
(pending) Rated power acceptance 4W
Protection class: Suitable forappliances of class I and II
Rated voltage: 250VAC
0031.25XX
0031.2321 0031.2323
FPG7FPG7 --
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Applications
Industrial high power consumptionequipment
Power supply
USP Customer focus
One supplier for assorted currentrange
The fuse socket can be used foreither a fuse carrier for 5x20 or6.3x32
The fuse carrier can be operatedwith a screw driver or with a coin
Strategic Positioning
Extend assortment of highcurrent fuseholder to includePCB mount type
Technology leader
Competitors
No similar products available onthe market for PCB
Price Position
Similar to FUL 10% higher than FIZ
FPG7FPG7 --
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Product designed and manufactured by SchurterElectronics Pvt. Ltd. in India
Shock-safe Category: PC2
Fuse-links: 5x20 mm
Solder Terminals
Economical Design serves low cost consumer
market and local product designs in emergingcountries
FQE Panel Mount Fuseholder
Rated Voltage: 250 VAC
Rated Current: 6.3 A
Rated Power Dissipation: 2.5 W / 6.3 W
Approvals, Standards
no approvals(this is an important
difference to the standardproduct line fromSchurter)
New
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FQE Market Aspects
Applications> SMPS in Consumer Market
> DC applications requiring no approvals
> Applications designed in emergingcountries without homologationrequirements
USP (Customer focus)
> Reliable product with Schurter brand
Strategic Positioning> Serving the consumer market with
a product which is economical andcompetitive in this segment andextend the market share
Price Position
> Competitive, significantly below S-Group's approved fuseholder line
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Fuse-links: 5x20 and 6.3x32 mm Available unassembled and with wire leads
Serves automotive, audio and lighting market
FDI Inline Fuseholder
Rated Voltage: 32 VAC32 VDC
Rated Current: 6.3 A
Rated Power Dissipation: 2.5 W / 6.3 W
Approvals,Standards
no approvals(for use at low voltage;competitor's productdo
not carry approvalseither
New
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FDI Market Aspects
Applications> Automotive and aftermarket
> Audio aftermarket
> Lighting aftermarket
USP (Customer focus)
> Reliable product with Schurter brand
Strategic Positioning> Serving a new market segment for
Schurter where the fuseholdermarket share can be extended.
Price Position
> Attractive pricing for distribution
> Check with us competitive pricingfor larger volume business
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In Line Fuse Holder - FDICross Reference List
Manufacturer SCHURTER Littelfuse Littelfuse Littelfuse Bussmann Bussmann
Country Switzerland USA USA USA USA USA
www.schurter.com www.lit telfuse.com www.littelfuse.com www.lit telfuse.com www.bussmann.com www.bussmann.com
Type FDI 150 274 155 1 Series FHP 1 HHT HRK
5x20 mm Yes Yes No No Yes No
5x15 mm No Yes No No Yes No
6.3x32 mm Yes No Yes Yes No Yes
Rated Voltage [VAC] 32 32 32 32 32 32
Rated Voltage [VDC] 32 32 32 32 32 32
Rated Current [A] 6.3 10 20 20 10 15
Rated Power Acceptance 2.5 W / 6.3 A na na na na na
Operating Temperature -40 to +85 -40 to +80 -40 to +75 na -40 to +80 -40 to +75
Dimensions, 5x20, LxD [mm] 48 x 16 46.74 x 10.67 55.63 x 15.24 na 46.74 x 10.67 55.6 x 19.1
Unassembled Option Yes No Yes na No No
Assembled Option with Wire Yes (18 AWG) Yes (16 AWG) Yes (16 AWG) Yes (14 AWG) Yes (16 AWG) Yes (14 AWG)
Approvals None None None None None None
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IP Code and PC Category
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Varistors Product Types: AVTS, AVTP, AVTT
Varistors complement the Schurter portfolio with aproduct which is used by existing customers
Varistors serve to meet Surge Test Conditions inappliances according to IEC 61000-4-5
Wide range of peak current and energy absorptioncapability
Fully compatible with Epcos StandarD series (SIOV) VDE, UL, CSA approved products
AVTS for Secondary Overvoltage Protection
11 to 95 VAC, 14 to 127 VDC
AVTP for Primary Overvoltage Protection
120 to 360 VAC, 160 to 470 VDC
AVTT for Three-Phase and More Overvoltage Prot. 390 to 1000 VAC, 500 to 1200 VDC
Approvals, Standards
IEC 61051
UL 1449
UL 1414
CSA C22.2
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Market Aspect
Applications
> Surge protection in secondary, primaryand three-phase circuits
> Support to meet EMC surge standardaccording to IEC 61000-4-5
USP (Customer focus)
> EMC-Filters, Fuses, Varistors from onesource
> 2nd source to Epcos
Strategic Positioning
> The easiest way to expandbusiness is when somethingadditionally can be sold to existingcustomers. This is the case withvaristors which complements theexisting portfolio.
Price Position
> Competitive with Epcos offering
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Part Number Structure
Pay attention tosimilar part numbers
AVTS, 0070.30xx.xx30 VAC model
AVTP, 0071.30xx.xx300 VAC model
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Technology Trend Fuseholders
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Miniature Fuses Main Application
* / /
All Kind ofPower Suppliers / Exchangers / Chargers.
* / .
Medical Electronics / Army Equipments / Many
Kinds of High Technology Equipments.
* / / /
Instrument / Industry control / Measure Equipments /
Power Machine and others/ Electronics Apparatus;
* / / /
Household appliances / Audio & Video Apparatus/
Kitchen & Toilet Electronics / Small Home Appliances
*.
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* PC / /
Personal Computer / Notebook / All Kinds of
Computer Peripheral Apparatus and Subassemblies
* / / /
Telecommunication / Exchanger / End-terminal
Machine / Station and Related Products
* /
Network Instrument / Delivery Distribution and
Network Peripheral Apparatus and Subassemblies
* / /
Traffic Infrastructure Equipments / Traffic Tools / All
Kinds of Vehicles, Automobile Electronic Apparatus.*
Miniature Fuses Main Application
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* /
Electronic Games / Electronic Toys and
Entertainment Infrastructures and Subassemblies.
* / /
All Kind of Power Suppliers / Exchangers / Chargers.
/
Finance System Including in Bank Securities Apparatus /Depositing & Withdrawing System and Subscriber LineInterface Card and so on.
Miniature Fuses Main Application
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Glass/ Ceramic/ Micro Fuses
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Fuse - SPT 3.6x10Applications
Power Adapters Switching Mode Power Supplies
in Consumer Electronics