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NPN Silicon RF Transistor
q
BFQ 71
For broadband amplifiers up to 2 GHz and fast non-saturated switches at collector currents from 1 mA to 20 mA. Hermetically sealed ceramic package. HiRel/Mil screening available. CECC-type available: CECC 50002/260.
q q q
ESD: Electrostatic discharge sensitive device, observe handling precautions! Type BFQ 71 Marking 71 Ordering Code (tape and reel) Q62702-F775 Pin Configuration 1 2 3 4 B E C E Package1) Cerec-X
Maximum Ratings Parameter Collector-emitter voltage Collector-emitter voltage, VBE = 0 Collector-base voltage Emitter-base voltage Collector current Base current Total power dissipation, TS 103 C 3) Junction temperature Ambient temperature range Storage temperature range Thermal Resistance Junction - ambient 2) Junction - soldering point3) Rth JA Rth JS

Symbol VCE0 VCES VCB0 VEB0 IC IB Ptot Tj TA Tstg
Values 15 20 20 2.5 30 4 300 175 - 65 ... + 175 - 65 ... + 175
Unit V
mA mW C
320 240
K/W
For detailed dimensions see chapter Package Outlines. Package mounted on alumina 15 mm x 16.7 mm x 0.7 mm. 3) TS is measured on the collector lead at the soldering point to the pcb.
1) 2)
BFQ 71
Electrical Characteristics at TA = 25 C, unless otherwise specified. Parameter Symbol min. DC Characteristics Collector-emitter breakdown voltage IC = 1 mA, IB = 0 Collector-base cutoff current VCB = 10 V, IE = 0 Emitter-base cutoff current VEB = 2 V, IC = 0 DC current gain IC = 5 mA, VCE = 6 V IC = 20 mA, VCE = 6 V Collector-emitter saturation voltage IC = 30 mA, IB = 3 mA Base-emitter voltage IC = 5 mA, VCE = 6 V V(BR)CE0 ICB0 IEB0 hFE 40 40 VCEsat VBE - - 90 100 0.16 0.78 250 - 0.4 - V 15 - - - - - - 50 10 V nA
A
Values typ. max.
Unit
-
BFQ 71
Electrical Characteristics at TA = 25 C, unless otherwise specified. Parameter Symbol min. AC Characteristics Transition frequency IC = 5 mA, VCE = 6 V, f = 200 MHz IC = 20 mA, VCE = 6 V, f = 200 MHz Collector-base capacitance VCB = 6 V, VBE = vbe = 0, f = 1 MHz Collector-emitter capacitance VCE = 6 V, VBE = vbe = 0, f = 1 MHz Input capacitance VEB = 0.5 V, IC = ic = 0, f = 1 MHz Output capacitance VCE = 6 V, VBE = vbe = 0, f = 1 MHz Noise figure IC = 5 mA, VCE = 6 V, f = 10 MHz, ZS = 75 IC = 2 mA, VCE = 6 V, f = 800 MHz, ZS = ZSopt IC = 3 mA, VCE = 10 V, f = 2 GHz, ZS = ZSopt Power gain IC = 2 mA, VCE = 6 V, f = 800 MHz, ZS = ZSopt, ZL = ZLopt Transducer gain IC = 20 mA, VCE = 6 V, f = 1 GHz, Z0 = 50 Linear output voltage two-tone intermodulation test IC = 15 mA, VCE = 10 V, dIM = 60 dB, f1 = 806 MHz, f2 = 810 MHz, ZS = ZL = 50 Third order intercept point IC = 15 mA, VCE = 10 V, f = 800 MHz fT - 4 Ccb Cce Cibo Cobs F - - - Gpe - 1.4 1.5 3.2 15 2.2 3 - - - - - - 4.2 5.2 0.46 0.4 1.2 0.86 - - 0.6 - - 1.2 dB pF GHz Values typ. max. Unit
I S21e I 2
-
13.4 110
- - mV
Vo1 = Vo2 -
IP3
-
23.5
-
dBm
BFQ 71
Total power dissipation Ptot = f (TA*; TS) *Package mounted on alumina
Transition frequency fT = f (IC) VCE = 6 V, f = 200 MHz
Collector-base capacitance Ccb = f (VCB) VBE = vbe = 0, f = 1 MHz
BFQ 71
Common Emitter Noise Parameters f GHz Fmin dB Gp(Fmin) dB MAG opt ANG RN N - F50 dB Gp(F50) dB
IC = 2 mA, VCE = 6 V, Z0 = 50 0.01 1.1 - (ZS = 150 ) - - 1.6 -
IC = 5 mA, VCE = 10 V, Z0 = 50 0.01 0.8 2.0 1.3 1.6 3.1 - 15.3 9 (ZS = 100 ) 0.29 56 0.12 124.5 - 18.5 30 - 0.24 0.67 1.7 1.8 - - 14.8 -
Noise figure F = f (ZS) VCE = 6 V, f = 10 MHz
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
Noise figure F = f (IC) Power gain G = f (IC) VCE = 10 V, f = 800 MHz, ZLopt (G)
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 (IC) Power gain G = f (IC) VCE = 10 V, f = 2 GHz, ZLopt (G)
BFQ 71
Common Emitter Power Gain Power gain Gms, S21e 2 = f (IC) VCE = 6 V, f = 200 MHz, Z0 = 50 Power gain Gms, S21e 2 = f (IC) VCE = 6 V, f = 500 MHz, Z0 = 50
Power gain Gms, S21e 2 = f (IC) VCE = 6 V, f = 800 MHz, Z0 = 50
Power gain Gma, S21e 2 = f (IC) VCE = 6 V, f = 2 GHz, Z0 = 50
BFQ 71
Power gain Gms, S21e 2 = f (f) IC = 2 mA, VCE = 6 V, Z0 = 50
Power gain Gma, Gms, S21e 2 = f (f) IC = 5 mA, VCE = 6 V, Z0 = 50
Power gain Gma, Gms, S21e 2 = f (f) IC = 10 mA, VCE = 6 V, Z0 = 50
Power gain Gma, Gms, S21e 2 = f (f) IC = 20 mA, VCE = 6 V, Z0 = 50
BFQ 71
Common Emitter S Parameters f GHz S11 MAG ANG S21 MAG ANG S12 MAG ANG S22 MAG ANG
IC = 2 mA, VCE = 6 V, Z0 = 50 0.1 0.2 0.3 0.4 0.6 0.8 1.0 1.2 1.5 1.8 2.0 2.5 3.0 0.90 0.87 0.81 0.77 0.69 0.64 0.61 0.59 0.57 0.57 0.58 0.59 0.60 - 19 - 37 - 55 - 71 - 97 - 118 - 134 - 147 - 163 - 176 176 159 145 6.93 6.45 5.85 5.41 4.41 3.64 3.06 2.64 2.19 1.87 1.70 1.41 1.21 166 152 140 129 112 98 87 79 66 56 49 34 21 0.025 0.048 0.068 0.082 0.101 0.112 0.118 0.121 0.125 0.129 0.131 0.138 0.150 78 68 59 51 40 33 28 25 22 20 20 20 19 0.98 0.94 0.88 0.82 0.73 0.65 0.60 0.57 0.54 0.52 0.51 0.49 0.48 -8 - 16 - 23 - 28 - 36 - 41 - 45 - 49 - 54 - 60 - 65 - 78 - 92
S11, S22 = f (f) IC = 2 mA, VCE = 6 V, Z0 = 50
S12, S21 = f (f) IC = 2 mA, VCE = 6 V, Z0 = 50
BFQ 71
Common Emitter S Parameters (continued) f GHz S11 MAG ANG S21 MAG ANG S12 MAG ANG S22 MAG ANG
IC = 5 mA, VCE = 6 V, Z0 = 50 0.1 0.2 0.3 0.4 0.6 0.8 1.0 1.2 1.5 1.8 2.0 2.5 3.0 0.79 0.73 0.66 0.62 0.57 0.55 0.54 0.54 0.54 0.54 0.56 0.57 0.59 - 31 - 59 - 83 - 102 - 128 - 146 - 160 - 170 178 168 162 148 136 14.23 12.37 10.36 8.88 6.56 5.12 4.17 3.55 2.89 2.43 2.20 1.81 1.55 160 151 127 115 100 89 80 73 63 54 48 35 23 0.023 0.040 0.053 0.060 0.071 0.077 0.083 0.089 0.099 0.110 0.117 0.137 0.158 76 61 51 45 40 37 37 37 37 37 36 35 32 0.95 0.84 0.73 0.65 0.53 0.47 0.43 0.40 0.38 0.37 0.36 0.34 0.34 - 14 - 26 - 33 - 38 - 43 - 46 - 48 - 51 - 55 - 61 - 65 - 78 - 92
S11, S22 = f (f) IC = 5 mA, VCE = 6 V, Z0 = 50
S12, S21 = f (f) IC = 5 mA, VCE = 6 V, Z0 = 50
BFQ 71
Common Emitter S Parameters (continued) f GHz S11 MAG ANG S21 MAG ANG S12 MAG ANG S22 MAG ANG
IC = 10 mA, VCE = 6 V, Z0 = 50 0.1 0.2 0.3 0.4 0.6 0.8 1.0 1.2 1.5 1.8 2.0 2.5 3.0 0.68 0.60 0.55 0.55 0.53 0.53 0.53 0.53 0.53 0.54 0.56 0.58 0.60 - 47 - 85 - 111 - 128 - 150 - 164 - 174 178 168 160 155 143 132 22.06 17.31 13.39 10.84 7.60 5.80 4.67 3.95 3.19 2.67 2.42 1.99 1.69 152 130 116 106 93 83 76 70 60 52 47 34 23 0.020 0.032 0.040 0.045 0.053 0.061 0.069 0.078 0.091 0.106 0.114 0.138 0.163 70 56 49 46 46 46 47 48 48 47 46 43 38 0.90 0.73 0.59 0.51 0.41 0.37 0.34 0.32 0.31 0.31 0.30 0.28 0.28 - 20 - 33 - 39 - 42 - 44 - 46 - 47 - 49 - 53 - 59 - 63 - 76 - 91
S11, S22 = f (f) IC = 10 mA, VCE = 6 V, Z0 = 50
S12, S21 = f (f) IC = 10 mA, VCE = 6 V, Z0 = 50
BFQ 71
Common Emitter S Parameters (continued) f GHz S11 MAG ANG S21 MAG ANG S12 MAG ANG S22 MAG ANG
IC = 15 mA, VCE = 6 V, Z0 = 50 0.1 0.2 0.3 0.4 0.6 0.8 1.0 1.2 1.5 1.8 2.0 2.5 3.0 0.56 0.47 0.42 0.42 0.41 0.40 0.41 0.41 0.41 0.43 0.44 0.46 0.50 - 57 - 96 - 121 - 137 - 156 - 168 - 177 176 169 161 156 147 137 25.74 18.17 13.28 10.48 7.19 5.46 4.39 3.71 3.01 2.53 2.31 1.91 1.65 145 122 109 100 89 81 74 68 59 52 47 35 24 0.018 0.028 0.035 0.042 0.054 0.068 0.082 0.096 0.118 0.142 0.158 0.204 0.255 69 58 56 57 59 60 60 60 58 56 53 47 38 0.85 0.65 0.54 0.47 0.41 0.39 0.37 0.36 0.35 0.35 0.34 0.33 0.32 - 23 - 32 - 35 - 35 - 36 - 37 - 39 - 41 - 45 - 52 - 57 - 70 - 88
S11, S22 = f (f) IC = 15 mA, VCE = 6 V, Z0 = 50
S12, S21 = f (f) IC = 15 mA, VCE = 6 V, Z0 = 50
BFQ 71
Common Emitter S Parameters (continued) f GHz S11 MAG ANG S21 MAG ANG S12 MAG ANG S22 MAG ANG
IC = 20 mA, VCE = 6 V, Z0 = 50 0.1 0.2 0.3 0.4 0.6 0.8 1.0 1.2 1.5 1.8 2.0 2.5 3.0 0.54 0.52 0.51 0.52 0.52 0.53 0.54 0.54 0.54 0.55 0.58 0.59 0.62 - 71 - 114 - 137 - 150 - 166 - 176 176 170 161 155 150 140 130 29.35 20.19 14.58 11.40 7.77 5.86 4.69 3.96 3.19 2.66 2.41 1.97 1.68 142 119 106 98 87 79 73 66 57 50 45 32 21 0.016 0.025 0.030 0.034 0.043 0.053 0.062 0.072 0.087 0.102 0.112 0.137 0.162 66 52 51 51 54 56 56 56 55 53 52 48 42 0.82 0.60 0.48 0.42 0.36 0.34 0.32 0.31 0.30 0.30 0.30 0.28 0.28 - 25 - 36 - 39 - 39 - 38 - 39 - 41 - 43 - 47 - 54 - 59 - 72 - 87
S11, S22 = f (f) IC = 20 mA, VCE = 6 V, Z0 = 50
S12, S21 = f (f) IC = 20 mA, VCE = 6 V, Z0 = 50
BFQ 71
Common Emitter S Parameters (continued) f GHz S11 MAG ANG S21 MAG ANG S12 MAG ANG S22 MAG ANG
IC = 2 mA, VCE = 10 V, Z0 = 50 0.1 0.2 0.3 0.4 0.6 0.8 1.0 1.2 1.5 1.8 2.0 2.5 3.0 0.91 0.87 0.82 0.78 0.70 0.64 0.60 0.58 0.56 0.56 0.57 0.58 0.59 - 17 - 36 - 53 - 69 - 94 - 115 - 132 - 145 - 161 - 174 177 160 146 7.02 6.57 5.98 5.01 4.54 3.76 3.17 2.74 2.28 1.94 1.77 1.47 1.26 166 153 141 130 113 100 89 80 68 57 51 36 22 0.021 0.042 0.060 0.073 0.090 0.100 0.106 0.109 0.113 0.118 0.120 0.127 0.140 78 69 60 53 42 35 30 27 24 23 23 23 23 0.98 0.95 0.90 0.84 0.75 0.69 0.64 0.61 0.58 0.56 0.55 0.53 0.52 -7 - 14 - 20 - 25 - 33 - 38 - 41 - 45 - 50 - 55 - 60 - 72 - 85
S11, S22 = f (f) IC = 2 mA, VCE = 10 V, Z0 = 50
S12, S21 = f (f) IC = 2 mA, VCE = 10 V, Z0 = 50
BFQ 71
Common Emitter S Parameters (continued) f GHz S11 MAG ANG S21 MAG ANG S12 MAG ANG S22 MAG ANG
IC = 5 mA, VCE = 10 V, Z0 = 50 0.1 0.2 0.3 0.4 0.6 0.8 1.0 1.2 1.5 1.8 2.0 2.5 3.0 0.80 0.73 0.67 0.63 0.57 0.54 0.53 0.52 0.52 0.53 0.54 0.56 0.58 - 28 - 57 - 79 - 98 - 125 - 143 - 157 - 168 180 170 163 150 137 14.24 12.50 10.55 9.10 6.78 5.31 4.33 3.69 3.00 2.52 2.29 1.89 1.61 160 142 128 117 101 90 81 74 63 54 49 36 23 0.020 0.036 0.047 0.055 0.064 0.071 0.076 0.082 0.091 0.101 0.108 0.127 0.148 71 61 53 47 41 39 38 38 39 39 39 38 35 0.95 0.86 0.76 0.68 0.58 0.52 0.48 0.46 0.44 0.43 0.42 0.40 0.40 - 13 - 23 - 29 - 34 - 38 - 41 - 43 - 45 - 49 - 55 - 59 - 70 - 84
S11, S22 = f (f) IC = 5 mA, VCE = 10 V, Z0 = 50
S12, S21 = f (f) IC = 5 mA, VCE = 10 V, Z0 = 50
BFQ 71
Common Emitter S Parameters (continued) f GHz S11 MAG ANG S21 MAG ANG S12 MAG ANG S22 MAG ANG
IC = 10 mA, VCE = 10 V, Z0 = 50 0.1 0.2 0.3 0.4 0.6 0.8 1.0 1.2 1.5 1.8 2.0 2.5 3.0 0.68 0.60 0.56 0.54 0.51 0.51 0.51 0.51 0.51 0.52 0.54 0.56 0.58 - 43 - 78 - 105 - 123 - 146 - 161 - 171 180 170 162 156 145 134 21.82 17.39 13.60 11.10 7.83 5.99 4.83 4.08 3.30 2.77 2.51 2.06 1.75 153 131 117 107 94 84 77 70 61 53 48 35 23 0.018 0.030 0.037 0.042 0.050 0.057 0.064 0.072 0.084 0.098 0.106 0.129 0.152 71 58 50 47 46 47 48 49 49 48 47 45 40 0.91 0.76 0.64 0.56 0.47 0.43 0.41 0.39 0.38 0.38 0.37 0.35 0.35 - 17 - 29 - 34 - 36 - 38 - 39 - 41 - 43 - 48 - 52 - 56 - 67 - 81
S11, S22 = f (f) IC = 10 mA, VCE = 10 V, Z0 = 50
S12, S21 = f (f) IC = 10 mA, VCE = 10 V, Z0 = 50
BFQ 71
Common Emitter S Parameters (continued) f GHz S11 MAG ANG S21 MAG ANG S12 MAG ANG S22 MAG ANG
IC = 15 mA, VCE = 10 V, Z0 = 50 0.1 0.2 0.3 0.4 0.6 0.8 1.0 1.2 1.5 1.8 2.0 2.5 3.0 0.62 0.55 0.52 0.51 0.50 0.50 0.51 0.51 0.51 0.53 0.54 0.57 0.59 - 55 - 94 - 119 - 136 - 156 - 169 - 178 175 166 158 153 143 132 26.35 19.54 14.64 11.66 8.06 6.12 4.91 4.15 3.35 2.80 2.53 2.07 1.77 148 125 112 102 90 82 75 68 59 51 47 34 23 0.017 0.026 0.031 0.036 0.044 0.052 0.061 0.069 0.082 0.097 0.106 0.129 0.153 69 55 50 50 51 52 53 54 53 52 51 48 43 0.88 0.69 0.57 0.50 0.44 0.41 0.39 0.38 0.37 0.37 0.36 0.34 0.34 - 20 - 31 - 34 - 35 - 35 - 36 - 38 - 40 - 44 - 50 - 54 - 65 - 80
S11, S22 = f (f) IC = 15 mA, VCE = 10 V, Z0 = 50
S12, S21 = f (f) IC = 15 mA, VCE = 10 V, Z0 = 50
BFQ 71
Common Emitter S Parameters (continued) f GHz S11 MAG ANG S21 MAG ANG S12 MAG ANG S22 MAG ANG
IC = 20 mA, VCE = 10 V, Z0 = 50 0.1 0.2 0.3 0.4 0.6 0.8 1.0 1.2 1.5 1.8 2.0 2.5 3.0 0.57 0.52 0.50 0.51 0.50 0.51 0.52 0.52 0.52 0.53 0.55 0.57 0.60 - 63 - 106 - 130 - 144 - 162 - 173 179 172 163 156 152 141 131 28.86 20.30 14.82 11.65 7.97 6.02 4.83 4.08 3.29 2.74 2.49 2.04 1.73 144 121 108 99 88 80 73 67 58 50 46 33 22 0.015 0.024 0.029 0.033 0.041 0.050 0.058 0.068 0.081 0.096 0.104 0.128 0.152 65 54 50 52 54 56 56 57 56 54 53 50 44 0.84 0.65 0.54 0.49 0.43 0.41 0.40 0.38 0.38 0.38 0.37 0.36 0.36 - 21 - 30 - 32 - 32 - 32 - 33 - 35 - 38 - 42 - 48 - 53 - 64 - 79
S11, S22 = f (f) IC = 20 mA, VCE = 10 V, Z0 = 50
S12, S21 = f (f) IC = 20 mA, VCE = 10 V, Z0 = 50

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