
LESHAN RADIO COMPANY, LTD.
LMBT3906DW1T1G
ELECTRICAL CHARACTERISTICS (TA = 25°C unless otherwise noted)
Characteristic Symbol Min Max Unit
OFF CHARACTERISTICS
Collector–Emitter Breakdown Voltage(2) V(BR)CEO –40 – Vdc
Collector–Base Breakdown Voltage V(BR)CBO –40 – Vdc
Emitter–Base Breakdown Voltage V(BR)EBO –5.0 – Vdc
Base Cutoff Current IBL – –50 nAdc
Collector Cutoff Current ICEX – –50 nAdc
ON CHARACTERISTICS (2)
DC Current Gain
(IC = –0.1 mAdc, VCE = –1.0 Vdc)
(IC = –1.0 mAdc, VCE = –1.0 Vdc)
(IC = –10 mAdc, VCE = –1.0 Vdc)
(IC = –50 mAdc, VCE = –1.0 Vdc)
(IC = –100 mAdc, VCE = –1.0 Vdc)
hFE 60
80
100
60
30
–
–
300
–
–
–
Collector–Emitter Saturation Voltage
(IC = –10 mAdc, IB = –1.0 mAdc)
(IC = –50 mAdc, IB = –5.0 mAdc)
VCE(sat) –
––0.25
–0.4
Vdc
Base–Emitter Saturation Voltage
(IC = –10 mAdc, IB = –1.0 mAdc)
(IC = –50 mAdc, IB = –5.0 mAdc)
VBE(sat) –0.65
––0.85
–0.95
Vdc
SMALL–SIGNAL CHARACTERISTICS
Current–Gain – Bandwidth Product fT250 – MHz
Output Capacitance Cobo – 4.5 pF
Input Capacitance Cibo – 10.0 pF
2. Pulse Test: Pulse Width ≤ 300 µs; Duty Cycle ≤2.0%.
ELECTRICAL CHARACTERISTICS (TA = 25°C unless otherwise noted) (Continued)
Characteristic Symbol Min Max Unit
Input Impedance
(VCE = –10 Vdc, IC = –1.0 mAdc, f = 1.0 kHz) hie 2.0 12 k Ω
Voltage Feedback Ratio
(VCE = –10 Vdc, IC = –1.0 mAdc, f = 1.0 kHz) hre 0.1 10 X 10–4
Small–Signal Current Gain
(VCE = –10 Vdc, IC = –1.0 mAdc, f = 1.0 kHz) hfe 100 400 –
Output Admittance
(VCE = –10 Vdc, IC = –1.0 mAdc, f = 1.0 kHz) hoe 3.0 60 mhos
Noise Figure
(VCE = –5.0 Vdc, IC = –100 Adc, RS = 1.0 k Ω, f = 1.0 kHz) NF – 4.0 dB
SWITCHING CHARACTERISTICS
Delay Time (VCC = –3.0 Vdc, VBE = 0.5 Vdc) td– 35
Rise Time (IC = –10 mAdc, IB1 = –1.0 mAdc) tr– 35 ns
Storage Time (VCC = –3.0 Vdc, IC = –10 mAdc) ts– 225
Fall Time (IB1 = IB2 = –1.0 mAdc) tf– 75 ns
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