BC858A 查看數據表（PDF） - STMicroelectronics

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产品描述 (功能)

生产厂家

BC858A

SMALL SIGNAL PNP TRANSISTORS

STMicroelectronics 

BC857/BC858

ELECTRICAL CHARACTERISTICS (Continued)

Symb ol

P a ram et er

Test Conditions

hie

Input Impedance

VCE = -5 V IC = -2 mA

for group A

for group B

f = 1KHz

hre

Reverse Voltage Ratio VCE = -5 V IC = -2 mA f = 1KHz

for group A

for group B

hf e

Small Signal Current VCE = -5 V IC = -2 mA f = 1KHz

Gain

for group A

for group B

hoe Output Admittance

VCE = -5 V IC = -2 mA

for group A

for group B

∗ Pulsed: Pulse duration = 300 µs, duty cycle ≤ 2 %

f = 1KHz

Min. Typ . Max. Un it

1.6

2.7

4.5

KΩ

3.2

4.5

8.5

KΩ

1.5

10-4

2

10-4

220

330

18

30

µs

30

60

µs

3/5

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