NPN Silicon RF Transistor BFQ 71

ESD: Electrostatic discharge sensitive device, observe handling precautions!

Maximum Ratings

Type Ordering Code(tape and reel)

Marking Package 1)Pin Configuration

BFQ 71 Q62702-F77571 Cerec-X

1 2 3

B E C

4

E

Parameter Symbol Values Unit

Collector-emitter voltage VCE0 15 V

Emitter-base voltage VEB0 2.5

Collector current IC 30 mA

Collector-base voltage VCB0 20

Base current IB 4

Junction temperature Tj 175 ˚C

Ambient temperature range TA – 65 … + 175

Total power dissipation, TS ≤ 103 ˚C3) Ptot 300 mW

Storage temperature range Tstg – 65 … + 175

Thermal Resistance

Junction - ambient2) Rth JA ≤ 320 K/W

Junction - soldering point3) Rth JS ≤ 240

Collector-emitter voltage, VBE = 0 VCES 20

1) For detailed dimensions see chapter Package Outlines.2) Package mounted on alumina 15 mm × 16.7 mm × 0.7 mm.3) TS is measured on the collector lead at the soldering point to the pcb.

For broadband amplifiers up to 2 GHz and fastnon-saturated switches at collector currents from1 mA to 20 mA.

Hermetically sealed ceramic package.

HiRel/Mil screening available.

CECC-type available: CECC 50002/260.

Electrical Characteristicsat TA = 25 ˚C, unless otherwise specified.

UnitValuesParameter Symbol

min. typ. max.

DC Characteristics

VCollector-emitter breakdown voltageIC = 1 mA, IB = 0

V(BR)CE0 15 – –

µAEmitter-base cutoff currentVEB = 2 V, IC = 0

IEB0 – – 10

–DC current gainIC = 5 mA, VCE = 6 VIC = 20 mA, VCE = 6 V

hFE

4040

90100

250–

nACollector-base cutoff currentVCB = 10 V, IE = 0

ICB0 – – 50

VCollector-emitter saturation voltageIC = 30 mA, IB = 3 mA

VCEsat – 0.16 0.4

Base-emitter voltageIC = 5 mA, VCE = 6 V

VBE – 0.78 –

BFQ 71

Electrical Characteristicsat TA = 25 ˚C, unless otherwise specified.

AC Characteristics

UnitValuesParameter Symbol

min. typ. max.

Power gainIC = 2 mA, VCE = 6 V, f = 800 MHz,ZS = ZSopt, ZL = ZLopt

Gpe – 15 –

GHzTransition frequencyIC = 5 mA, VCE = 6 V, f = 200 MHzIC = 20 mA, VCE = 6 V, f = 200 MHz

fT–4

4.25.2

––

Collector-emitter capacitanceVCE = 6 V, VBE = vbe = 0, f = 1 MHz

Cce – 0.4 –

Output capacitanceVCE = 6 V, VBE = vbe = 0, f = 1 MHz

Cobs – 0.86 1.2

dBNoise figureIC = 5 mA, VCE = 6 V, f = 10 MHz, ZS = 75 ΩIC = 2 mA, VCE = 6 V, f = 800 MHz, ZS = ZSopt

IC = 3 mA, VCE = 10 V, f = 2 GHz, ZS = ZSopt

F–––

1.41.53.2

2.23–

pFCollector-base capacitanceVCB = 6 V, VBE = vbe = 0, f = 1 MHz

Ccb – 0.46 0.6

Input capacitanceVEB = 0.5 V, IC = ic = 0, f = 1 MHz

Cibo – 1.2 –

Transducer gainIC = 20 mA, VCE = 6 V, f = 1 GHz, Z0 = 50 Ω

I S21e I 2 – 13.4 –

mVLinear output voltagetwo-tone intermodulation testIC = 15 mA, VCE = 10 V, dIM = 60 dB,f1 = 806 MHz, f2 = 810 MHz, ZS = ZL = 50 Ω

Vo1 = Vo2 – 110 –

dBmThird order intercept pointIC = 15 mA, VCE = 10 V, f = 800 MHz

IP3 – 23.5 –

BFQ 71

Total power dissipation Ptot = f (TA*; TS)*Package mounted on alumina

Collector-base capacitance Ccb = f (VCB)VBE = vbe = 0, f = 1 MHz

Transition frequency fT = f (IC)VCE = 6 V, f = 200 MHz

BFQ 71

Noise figure F = f (ZS)VCE = 6 V, f = 10 MHz

Common Emitter Noise Parameters

IC = 2 mA, VCE = 6 V, Z0 = 50 Ω

IC = 5 mA, VCE = 10 V, Z0 = 50 Ω

0.01 1.1 – (ZS = 150 Ω) – – 1.6 –

f Γopt

GHz dB dB MAG ANG Ω – dB dB

Fmin Gp(Fmin) RN N F50 Ω Gp(F50Ω)

0.010.82.0

1.31.63.1

–15.39

(ZS = 100 Ω)56124.5

–18.530

–0.240.67

1.71.8–

–14.8–

0.290.12

BFQ 71

Circles of constant noise figure F = f (ZS)and available power gain Gav = f (ZS)IC = 5 mA, VCE = 10 V, f = 800 MHz

Circles of constant noise figure F = f (ZS)and available power gain Gav = f (ZS)IC = 5 mA, VCE = 10 V, f = 2 GHz

Noise figure F = f (I C)Power gain G = f (I C)VCE = 10 V, f = 800 MHz, ZLopt (G)

Noise figure F = f (I C)Power gain G = f (I C)VCE = 10 V, f = 2 GHz, ZLopt (G)

BFQ 71

Common Emitter Power Gain

Power gain Gms, S21e 2 = f (I C)VCE = 6 V, f = 200 MHz, Z0 = 50 Ω

Power gain Gms, S21e 2 = f (I C)VCE = 6 V, f = 800 MHz, Z0 = 50 Ω

Power gain Gms, S21e 2 = f (I C)VCE = 6 V, f = 500 MHz, Z0 = 50 Ω

Power gain Gma, S21e 2 = f (I C)VCE = 6 V, f = 2 GHz, Z0 = 50 Ω

BFQ 71

BFQ 71

Power gain Gms, S21e 2 = f (f)IC = 2 mA, VCE = 6 V, Z0 = 50 Ω

Power gain Gma, Gms, S21e 2 = f (f)IC = 10 mA, VCE = 6 V, Z0 = 50 Ω

Power gain Gma, Gms, S21e 2 = f (f)IC = 5 mA, VCE = 6 V, Z0 = 50 Ω

Power gain Gma, Gms, S21e 2 = f (f)IC = 20 mA, VCE = 6 V, Z0 = 50 Ω

Common Emitter S Parameters

f S11 S21 S12 S22

GHz MAG ANG MAG ANG MAG ANG MAG ANG

0.10.20.30.40.60.81.01.21.51.82.02.53.0

0.900.870.810.770.690.640.610.590.570.570.580.590.60

– 19– 37– 55– 71– 97

– 118– 134– 147– 163– 176

176159145

6.936.455.855.414.413.643.062.642.191.871.701.411.21

166152140129112

9887796656493421

0.0250.0480.0680.0820.1010.1120.1180.1210.1250.1290.1310.1380.150

78685951403328252220202019

0.980.940.880.820.730.650.600.570.540.520.510.490.48

– 8– 16– 23– 28– 36– 41– 45– 49– 54– 60– 65– 78– 92

IC = 2 mA, VCE = 6 V, Z0 = 50 Ω

S11, S22 = f (f)IC = 2 mA, VCE = 6 V, Z0 = 50 Ω

S12, S21 = f (f)IC = 2 mA, VCE = 6 V, Z0 = 50 Ω

BFQ 71

S11, S22 = f (f)IC = 5 mA, VCE = 6 V, Z0 = 50 Ω

S12, S21 = f (f)IC = 5 mA, VCE = 6 V, Z0 = 50 Ω

Common Emitter S Parameters (continued)

f S11 S21 S12 S22

GHz MAG ANG MAG ANG MAG ANG MAG ANG

0.10.20.30.40.60.81.01.21.51.82.02.53.0

0.790.730.660.620.570.550.540.540.540.540.560.570.59

– 31– 59– 83

– 102– 128– 146– 160– 170

178168162148136

14.2312.3710.36 8.88 6.56 5.12 4.17 3.55 2.89 2.43 2.20 1.81 1.55

160151127115100

8980736354483523

0.0230.0400.0530.0600.0710.0770.0830.0890.0990.1100.1170.1370.158

76615145403737373737363532

0.950.840.730.650.530.470.430.400.380.370.360.340.34

– 14– 26– 33– 38– 43– 46– 48– 51– 55– 61– 65– 78– 92

IC = 5 mA, VCE = 6 V, Z0 = 50 Ω

BFQ 71

Common Emitter S Parameters (continued)

f S11 S21 S12 S22

GHz MAG ANG MAG ANG MAG ANG MAG ANG

0.10.20.30.40.60.81.01.21.51.82.02.53.0

0.680.600.550.550.530.530.530.530.530.540.560.580.60

– 47– 85

– 111– 128– 150– 164– 174

178168160155143132

22.0617.3113.3910.84 7.60 5.80 4.67 3.95 3.19 2.67 2.42 1.99 1.69

152130116106

938376706052473423

0.0200.0320.0400.0450.0530.0610.0690.0780.0910.1060.1140.1380.163

70564946464647484847464338

0.900.730.590.510.410.370.340.320.310.310.300.280.28

– 20– 33– 39– 42– 44– 46– 47– 49– 53– 59– 63– 76– 91

IC = 10 mA, VCE = 6 V, Z0 = 50 Ω

S11, S22 = f (f)IC = 10 mA, VCE = 6 V, Z0 = 50 Ω

S12, S21 = f (f)IC = 10 mA, VCE = 6 V, Z0 = 50 Ω

BFQ 71

Common Emitter S Parameters (continued)

f S11 S21 S12 S22

GHz MAG ANG MAG ANG MAG ANG MAG ANG

0.10.20.30.40.60.81.01.21.51.82.02.53.0

0.560.470.420.420.410.400.410.410.410.430.440.460.50

– 57– 96

– 121– 137– 156– 168– 177

176169161156147137

25.7418.1713.2810.48 7.19 5.46 4.39 3.71 3.01 2.53 2.31 1.91 1.65

145122109100

898174685952473524

0.0180.0280.0350.0420.0540.0680.0820.0960.1180.1420.1580.2040.255

69585657596060605856534738

0.850.650.540.470.410.390.370.360.350.350.340.330.32

– 23– 32– 35– 35– 36– 37– 39– 41– 45– 52– 57– 70– 88

IC = 15 mA, VCE = 6 V, Z0 = 50 Ω

S11, S22 = f (f)IC = 15 mA, VCE = 6 V, Z0 = 50 Ω

S12, S21 = f (f)IC = 15 mA, VCE = 6 V, Z0 = 50 Ω

BFQ 71

Common Emitter S Parameters (continued)

f S11 S21 S12 S22

GHz MAG ANG MAG ANG MAG ANG MAG ANG

0.10.20.30.40.60.81.01.21.51.82.02.53.0

0.540.520.510.520.520.530.540.540.540.550.580.590.62

– 71– 114– 137– 150– 166– 176

176170161155150140130

29.3520.1914.5811.40 7.77 5.86 4.69 3.96 3.19 2.66 2.41 1.97 1.68

142119106

98877973665750453221

0.0160.0250.0300.0340.0430.0530.0620.0720.0870.1020.1120.1370.162

66525151545656565553524842

0.820.600.480.420.360.340.320.310.300.300.300.280.28

– 25– 36– 39– 39– 38– 39– 41– 43– 47– 54– 59– 72– 87

IC = 20 mA, VCE = 6 V, Z0 = 50 Ω

S11, S22 = f (f)IC = 20 mA, VCE = 6 V, Z0 = 50 Ω

S12, S21 = f (f)IC = 20 mA, VCE = 6 V, Z0 = 50 Ω

BFQ 71

Common Emitter S Parameters (continued)

f S11 S21 S12 S22

GHz MAG ANG MAG ANG MAG ANG MAG ANG

0.10.20.30.40.60.81.01.21.51.82.02.53.0

0.910.870.820.780.700.640.600.580.560.560.570.580.59

– 17– 36– 53– 69– 94

– 115– 132– 145– 161– 174

177160146

7.026.575.985.014.543.763.172.742.281.941.771.471.26

166153141130113100

89806857513622

0.0210.0420.0600.0730.0900.1000.1060.1090.1130.1180.1200.1270.140

78696053423530272423232323

0.980.950.900.840.750.690.640.610.580.560.550.530.52

– 7– 14– 20– 25– 33– 38– 41– 45– 50– 55– 60– 72– 85

IC = 2 mA, VCE = 10 V, Z0 = 50 Ω

S11, S22 = f (f)IC = 2 mA, VCE = 10 V, Z0 = 50 Ω

S12, S21 = f (f)IC = 2 mA, VCE = 10 V, Z0 = 50 Ω

BFQ 71

Common Emitter S Parameters (continued)

f S11 S21 S12 S22

GHz MAG ANG MAG ANG MAG ANG MAG ANG

0.10.20.30.40.60.81.01.21.51.82.02.53.0

0.800.730.670.630.570.540.530.520.520.530.540.560.58

– 28– 57– 79– 98

– 125– 143– 157– 168

180170163150137

14.2412.5010.55 9.10 6.78 5.31 4.33 3.69 3.00 2.52 2.29 1.89 1.61

160142128117101

9081746354493623

0.0200.0360.0470.0550.0640.0710.0760.0820.0910.1010.1080.1270.148

71615347413938383939393835

0.950.860.760.680.580.520.480.460.440.430.420.400.40

– 13– 23– 29– 34– 38– 41– 43– 45– 49– 55– 59– 70– 84

IC = 5 mA, VCE = 10 V, Z0 = 50 Ω

S11, S22 = f (f)IC = 5 mA, VCE = 10 V, Z0 = 50 Ω

S12, S21 = f (f)IC = 5 mA, VCE = 10 V, Z0 = 50 Ω

BFQ 71

Common Emitter S Parameters (continued)

f S11 S21 S12 S22

GHz MAG ANG MAG ANG MAG ANG MAG ANG

0.10.20.30.40.60.81.01.21.51.82.02.53.0

0.680.600.560.540.510.510.510.510.510.520.540.560.58

– 43– 78

– 105– 123– 146– 161– 171

180170162156145134

21.8217.3913.6011.10 7.83 5.99 4.83 4.08 3.30 2.77 2.51 2.06 1.75

153131117107

948477706153483523

0.0180.0300.0370.0420.0500.0570.0640.0720.0840.0980.1060.1290.152

71585047464748494948474540

0.910.760.640.560.470.430.410.390.380.380.370.350.35

– 17– 29– 34– 36– 38– 39– 41– 43– 48– 52– 56– 67– 81

IC = 10 mA, VCE = 10 V, Z0 = 50 Ω

S11, S22 = f (f)IC = 10 mA, VCE = 10 V, Z0 = 50 Ω

S12, S21 = f (f)IC = 10 mA, VCE = 10 V, Z0 = 50 Ω

BFQ 71

Common Emitter S Parameters (continued)

f S11 S21 S12 S22

GHz MAG ANG MAG ANG MAG ANG MAG ANG

0.10.20.30.40.60.81.01.21.51.82.02.53.0

0.620.550.520.510.500.500.510.510.510.530.540.570.59

– 55– 94

– 119– 136– 156– 169– 178

175166158153143132

26.3519.5414.6411.66 8.06 6.12 4.91 4.15 3.35 2.80 2.53 2.07 1.77

148125112102

908275685951473423

0.0170.0260.0310.0360.0440.0520.0610.0690.0820.0970.1060.1290.153

69555050515253545352514843

0.880.690.570.500.440.410.390.380.370.370.360.340.34

– 20– 31– 34– 35– 35– 36– 38– 40– 44– 50– 54– 65– 80

IC = 15 mA, VCE = 10 V, Z0 = 50 Ω

S11, S22 = f (f)IC = 15 mA, VCE = 10 V, Z0 = 50 Ω

S12, S21 = f (f)IC = 15 mA, VCE = 10 V, Z0 = 50 Ω

BFQ 71

Common Emitter S Parameters (continued)

f S11 S21 S12 S22

GHz MAG ANG MAG ANG MAG ANG MAG ANG

0.10.20.30.40.60.81.01.21.51.82.02.53.0

0.570.520.500.510.500.510.520.520.520.530.550.570.60

– 63– 106– 130– 144– 162– 173

179172163156152141131

28.8620.3014.8211.65 7.97 6.02 4.83 4.08 3.29 2.74 2.49 2.04 1.73

144121108

99888073675850463322

0.0150.0240.0290.0330.0410.0500.0580.0680.0810.0960.1040.1280.152

65545052545656575654535044

0.840.650.540.490.430.410.400.380.380.380.370.360.36

– 21– 30– 32– 32– 32– 33– 35– 38– 42– 48– 53– 64– 79

IC = 20 mA, VCE = 10 V, Z0 = 50 Ω

S11, S22 = f (f)IC = 20 mA, VCE = 10 V, Z0 = 50 Ω

S12, S21 = f (f)IC = 20 mA, VCE = 10 V, Z0 = 50

BFQ 71