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