6 Lake Street, Lawrence, MA 01841 03/98 REV: D
1-800-446-1158 / (978)-794-1666 / (978) Fax: (978) 689-0803 Page 2 of 2
2N4854, 2N4854U JAN SERIES
ELECTRICAL CHARACTERISTICS (con’t)
Characteristics Symbol Min. Max. Unit
ON CHARACTERISTICS (3)
Forward-Current Transfer Ratio
IC = 150 mAdc, VCE = 10 Vdc
IC = 100 µAdc, VCE = 10 Vdc
IC = 1.0 mAdc, VCE = 10 Vdc
IC = 10 mAdc, VCE = 10 Vdc
IC = 150 mAdc, VCE = 10 Vdc
IC = 300 mAdc, VCE = 10 Vdc
hFE
50
35
50
75
100
35 300
Collector-Emitter Saturation Voltage
IC = 150 mAdc, IB = 15 mAdc VCE(sat) 0.40 Vdc
Base-Emitter Saturation Voltage
IC = 150 mAdc, IB = 15 mAdc VBE(sat) 0.80 1.25 Vdc
DYNAMIC CHARACTERISTICS
Forward Current Transfer Ratio
IC = 1.0 mAdc, VCE = 10 Vdc, f = 1.0 kHz hfe 60 300
Forward Current Transfer Ratio, Magnitude
IC = 20 mAdc, VCE = 10 Vdc, f = 100 MHz hfe2.0 8.0
Small-Signal Common Emitter Input Impedance
IC = 1.0 mAdc, VCE = 10 Vdc, f = 1.0 kHz hje 1.5 9.0 kΩ
Small-Signal Common Emitter Output Admittance
IC = 1.0 mAdc, VCE = 10 Vdc, f = 1.0 kHz hoe 50 µhmo
Output Capacitance
VCB = 10 Vdc, IE = 0, 100 kHz ≤ f ≤ 1.0 MHz Cobo 8.0 pF
Noise Figure
IC = 100 µAdc, VCE = 10 Vdc, f = 1.0 kHz, RG =1.0 kΩNF 8.0 dB
SWITCHING CHARACTERISTICS
Turn-On Time
VCC = 30 Vdc; IC = 150 mAdc; IB1 = 15 mAdc ton 45 ηs
Turn-Off Time
VCC = 30 Vdc; IC = 150 mAdc; IB1 = IB2 = 15 mAdc toff 300 ηs
(3)Pulse Test: Pulse Width = 300µs, Duty Cycle ≤ 2.0%.