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BC857B Scheda tecnica(PDF) 3 Page - STMicroelectronics

Il numero della parte BC857B
Spiegazioni elettronici  SMALL SIGNAL PNP TRANSISTORS
PDF  5 Pages
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Produttore elettronici  STMICROELECTRONICS [STMicroelectronics]
Homepage  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

BC857B Scheda tecnica(HTML) 3 Page - STMicroelectronics

  BC857B Datasheet HTML 1Page - STMicroelectronics BC857B Datasheet HTML 2Page - STMicroelectronics BC857B Datasheet HTML 3Page - STMicroelectronics BC857B Datasheet HTML 4Page - STMicroelectronics BC857B Datasheet HTML 5Page - STMicroelectronics  
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ELECTRICAL CHARACTERISTICS (Continued)
Symb ol
Parameter
Test Cond ition s
Mi n.
Typ .
Max.
Un it
hie
Input Impedance
VCE =-5 V
IC =-2 mA
f = 1KHz
for grou p A
for grou p B
1. 6
3. 2
2.7
4.5
4.5
8.5
K
Ω
K
Ω
hre
Reverse Voltage Ratio
VCE =-5 V
IC =-2 mA
f = 1KHz
for grou p A
for grou p B
1.5
2
10
-4
10
-4
hfe
Small Signal Current
Gain
VCE =-5 V
IC =-2 mA
f = 1KHz
for grou p A
for grou p B
220
330
hoe
Output Admittance
VCE =-5 V
IC =-2 mA
f = 1KHz
for grou p A
for grou p B
18
30
30
60
µs
µs
∗ Pulsed: Pulse duration = 300 µs, duty cycle ≤ 2%
BC857/BC858
3/5



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