toroidal power transformers - apitech

The Electromagnetic Spectrum Innovator

DATA SHEET

Toroidal Power TransformersAC/AC conversion of a single power frequency or conversion of signal power over a wide range of frequencies.

CONTACT US

Features • Convert power-level voltages from one level or phase

confguration

• Converts voltage levels while maintaining the VA

• Excellent as isolation step-down and high voltage step-up transformers and autotransformers

• Closed ring shape eliminates air gaps inherent in the construction of an E-I core

• Primary and secondary coils can be wound concentrically to cover the entire surface of the core, providing screening to minimize the core’s magnetic feld from generating electromagnetic interference

• Ferrite toroidal cores are typically used at higher frequencies, between a few tens of kilohertz to hundreds of megahertz to reduce losses, physical size and weight of inductive components

• Other core types ofered (but not limited to: Iron Powder (higher permeability), MPP (for higher accuracy), 49% nickel (for low loss and low distortion) and 3% silicon steel alloy (over double the fux density of MPP)

Advantages Over Laminate E-I Type • Smaller size (about half )

• Lower weight (about half )

• Less mechanical hum (making them superior in audio amplifers)

• Lower exterior magnetic feld (about one-tenth)

• Low of-load losses (making them more efcient in standby circuits)

• Single-bolt mounting

• Light fxtures

• Robotics

• UPS

Applications • Avionics

• Medical electronics

• Motor controls

• Electric cars

• Industrial control panels

• Staging microphones

Product Types Heavy-duty 50/60 Hz

• 50/60 Hz Primary Voltages 100 – 240 V 2

• 60 Hz Primary Voltages 100 – 240 V 3

• 50/60 Hz Primary Voltages 115 – 230 V 3

• 60 Hz, 115-230 V 4

US Series

• 60 Hz, 120 V 5

Military Series

• 400 Hz, 115-230 V 6

Precision Transformers

• 400 Hz 7

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DATA SHEET

2

Toroidal Power TransformersHeavy-duty 50/60 Hz

Black J Gray 2

Brown 3 Blue ] White s

( Red Red ( Yellow Yellow

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HT

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OD

Advantages • Lower mechanical hum

• Lower electrical noise

• Lower magnetic leak

• Easier to electrostatically shield

• Lower weight

• Smaller dimensions

• Higher efciency

• Price competitive compared to laminated transformers

50/60 Hz Primary Voltages 100 – 240 V

International Primary Confgurations Construction

Voltage 100 V 120 V 220 V 240 V

Input 1 & 5 1 & 2 1 & 4 1 & 4

Connection 2 & 3 2 & 4

1 & 3 2 & 4

5 & 3 2 & 3

Specifcation Range

Secondary Power

No Load Voltage

Load Voltage

Load Current

Dimensions

(VA) (V) (V) (A) OD Nom HT Inch

6 - 10,000 7 - 2 x 126.5 6 - 2 x 120 0.21 - 83.3 2 - 14.75 1 - 5.25

• Semi Epoxy Molded, Add 0.20” O.D. & 0.09” Ht. Full Epoxy Molded, Add 0.20” O.D. & Ht.

• Notes: Dimensions stated are based on perfect windings not always achievable. Electrical data accurate to within ±6%.

• See important notes on page 7.

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DATA SHEET

3


1: Black -2: Brown -3: Blue -4: White -- 8: Yellow - 7: Yellow - 6: Red - 5: Red

'- 0.010" Nomex Base Washer

115 VAC 50/60 Hz.

115 VAC 50/60 Hz.

~ Red

~ White/Red

~ Yellow

~ White/Yellow

60 Hz Primary Voltages 100 – 240 V Specifcation Range

Output No Load Load Load Core Copper Max. Total Voltage Power Voltage Voltage Current DCR @ Less Loss Dimen OD Weight Regulation

(VA) (V) (V) (A) 20°C (W) (W) x HT (in) (lbs) n (%)

7.5 - 10.5 - 9 – 0.268 - 0.03 - 0.101 - 1.28 - 2.0 x 1.0 - 0.38 - 2.7 -2,500 2 x 135 2 x 110, 120 20.8 2 x 8.59 7.71 56.3 7.3 x 4.4 32 21.1


• Notes: Dimensions stated are based on perfect windings not always achievable. Electrical data accurate to within ±6%


50/60 Hz Primary Voltages 100 – 240 V International Primary Confgurations

Voltage 115 V 230 V

Input 1 & 2 1 & 4

Connection 1 to 3 & 2 to 4

2 to 3

Construction

Specifcation Ranges

208V, 220 or 230 VAC primary on request

Secondary Power (VA)

Load Voltage (V)

Load Current (A)

Max. Dimen OD x HT (in)

Total Weight (lbs)

Voltage Regulation (%)

6 - 7500 9 - 2 x 115 0.17 - 32.51 2.2 x 1.1 -11.7 x 6.0

0.44 - 116 2 - 19


• Notes: Dimensions stated are based on perfect windings not always achievable. Electrical data accurate to within ±6%







DATA SHEET

4


1: Black 2: Wh ite •

115 VAC 60 Hz.

6: Yellow 5: Yellow 4: Red 3: Red

0.01 0" Norn ex Base Washer

~ Red

~ Red

~ Yellow

~ Yellow

50/60 Hz Primary Voltages 115 – 230 V International Primary Confgurations

Voltage 115 V 230 V

Input 1 & 2 1 & 4

Connection 1 to 3 & 2 to 4

2 to 3

Construction 208V, 220 or 230 VAC primary on request

Specifcation Ranges


Load Voltage (V)

Load Current (A)


Total Weight (lbs)


7.5 - 9000 9 - 2 x 115 0.22 - 39.13 2.2 x 1.1 -11.7 x 6.0

0.41 - 116 2 - 21


• Notes: Mechanical dimensions and electrical data accurate to within ±3%.







DATA SHEET

5


1: Black 2: White

~ Red

~ White/Red

~ Yellow

4 White/Yellow

6: Wh ite/Yellow 5: Yellow

4: Wh ite/Red 3: Red

0.010" Nomex Base Washer

60 Hz, 120 V US Series Construction

100, 208, 220 or 230 VAC primary on request Pin numbers are for reference only

Specifcation Ranges


Load Voltage (V)

Load Current (A)


Total Weight (lbs)


8 - 4800 9 - 2 x 115 0.26 - 33.33 2.2 x 1.1 -10.5 x 4.4

0.41 - 116 2 - 21









DATA SHEET

6


Black □• 208 VAC 400 Hz.

White 2

•

Black □• 115VAC 400 Hz.

Brown 2

.

Blue □• 115 VAC 400 Hz.

White 4

Red

VAC 8AMP

White/Red

Red

VAC 3AMP

White/Red

Black ----t:==:::ii===-- 4: White/Red

White - -===1===1r----

1 111111111 IJ

1: Black 2: Brown 3: Blue 4: White •

3: Red

6: Red 5: Red

'--- 0.01 0" Nomex Base Washer

400 Hz 115-230 V Military Series Construction

Specifcation Ranges


Load Voltage (V)

Load Current (A)


Total Weight (lbs)


2.5 - 12000 2 - 2 x 270 0.0046 - 125 1.14 x 0.52 -9.9 x 4.9

0.09 - 70 0.5 - 5








7


DATA SHEET

APPROVED FOR PUBLIC RELEASE 081621ED

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Toroidal Power Transformers

Advantages • Primary voltage: 115 ± 15 Volts, 230 ± 30 Volts

• Operating frequency: 400Hz ± 20Hz

• Insulation voltage: 1500 VAC

• Molded for P.C. mounting

• 400 Hz power transformers feature low profles and are designed for standard regulator chips using full wave bridge center tap or full wave bridge

• Any size 5VA to 15,000VA. These transformers are all machine made to achieve high consistency and reliability.

Specifcation Range

Construction

(VA)

Volts Load Rms

Current Amp Rms

Volts N/L Rms A

Dimensions

OD Nom HT Inch

5 - 100 2 x 5 - 2 x 28 0.09 - 10 2 x 5.9 - 2 x 86.4 1.67 - 2.8 1.875 - 3 0.75 - 1



• See important notes below.

Important Notes 1. Custom designs to customer specs are available

2. All transformers have been designed for 50 to 400 Hz

3. 60 Hz to 400 Hz designs available upon request

4. 100% electrostatic shielding available on all transformers with a small power derating

5. Magnetic shielding & lower magnetic leakage designs for sensitive areas such as computer & audio equipment are available on all transformers

6. Low profle designs are available upon request

Who We Are APITech’s magnetics product engineers have over 70 combined years of design and testing experience producing a broad range of magnetic devices. APITech will work directly with design engineers to collaborate on the development of “difcult to meet” requirements.

APITech manufactures its magnetic components in the USA and Mexico. Product line capabilities include parts that require special features, non-RoHS builds, and parts requiring coordination with a customer’s manufacturing site. APITech has the technical expertise to ofer custom products or to verify that a standard product will function within the required circuit design.





toroidal power transformers - apitech

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