
BFR90A
TELEFUNKEN Semiconductors
Rev . A1, 17-Apr-96
2 (6)
Electrical DC Characteristics
Tj = 25°C, unless otherwise specified
Parameters / Test Conditions Symbol Min. Typ. Max. Unit
Collector-emitter cut-off current
VCE = 20 V, VBE = 0 ICES 100
m
A
Collector -base cut-off current
VCB = 15 V, IE = 0 ICBO 100 nA
Emitter-base cut-off current
VEB = 2 V, IC = 0 IEBO 10
m
A
Collector -emitter breakdown voltage
IC = 1 mA, IB = 0 V(BR)CEO 15 V
DC forward current transfer ratio
VCE = 10 V, IC = 14 mA hFE 50 100 150
Electrical AC Characteristics
Tamb = 25°C
Parameters / Test Conditions Symbol Min. Typ. Max. Unit
T ransition frequency
VCE = 10 V, IC = 14 mA, f = 500 MHz fT6 GHz
Collector -emitter capacitance
VCE = 10 V, f = 1 MHz Cce 0.25 pF
Collector -base capacitance
VCB = 10 V, f = 1 MHz Ccb 0.3 pF
Emitter-base capacitance
VEB = 0.5 V, f = 1 MHz Ceb 0.9 pF
Noise figure
VCE = 10 V, IC = 2 mA, f = 800 MHz, ZS = 50
F 1.8 dB
Power gain
VCE = 10 V, IC = 14 mA, ZL = ZLopt, f = 800 MHz Gpe 16 dB
Linear output voltage – two tone intermodulation test
VCE = 10 V, IC = 14 mA, dIM = 60 dB,
ZS = ZL = 50
f1 = 806 MHz, f2 = 810 MHz V1 = V2120 mV
Third order intercept point
VCE = 10 V, IC = 14 mA, f = 800 MHz IP324 dBm