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BC857BWT1 数据手册 - Motorola（摩托罗拉）
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BC857BWT1数据手册
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若手册格式错乱，请下载阅览PDF原文件
BC856B, BC857B, BC858A
www.onsemi.com
3
BC857/BC858
Figure 1. Normalized DC Current Gain
I
C
, COLLECTOR CURRENT (mAdc)
2.0
Figure 2. “Saturation” and “On” Voltages
I
C
, COLLECTOR CURRENT (mAdc)
-0.2
0.2
Figure 3. Collector Saturation Region
I
B
, BASE CURRENT (mA)
Figure 4. Base−Emitter Temperature Coefficient
I
C
, COLLECTOR CURRENT (mA)
-0.6
-0.7
-0.8
-0.9
-1.0
-0.5
0
-0.2
-0.4
-0.1
-0.3
1.6
1.2
2.0
2.8
2.4
-1.2
-1.6
-2.0
-0.02 -1.0
-10
0
-20
-0.1
-0.4
-0.8
h
FE
, NORMALIZED DC CURRENT GAIN
V, VOLTAGE (VOLTS)
V
CE
, COLLECTOR-EMITTER VOLTAGE (V)
VB
, TEMPERATURE COEFFICIENT (mV/ C)°θ
1.5
1.0
0.7
0.5
0.3
-0.2
-10 -100
-1.0
T
A
= 25°C
V
BE(sat)
@ I
C
/I
B
= 10
V
CE(sat)
@ I
C
/I
B
= 10
V
BE(on)
@ V
CE
= -10 V
V
CE
= -10 V
T
A
= 25°C
-55°C to +125°C
I
C
= -100 mA
I
C
= -20 mA
-0.5 -1.0 -2.0 -5.0 -10 -20 -50 -100 -200 -0.1
-0.2 -0.5
-1.0
-2.0 -5.0
-10
-20 -50
-100
I
C
= -200 mAI
C
= -50 mAI
C
=
-10 mA
Figure 5. Capacitances
V
R
, REVERSE VOLTAGE (VOLTS)
10
Figure 6. Current−Gain − Bandwidth Product
I
C
, COLLECTOR CURRENT (mAdc)
-0.4
1.0
80
100
200
300
400
60
20
40
30
7.0
5.0
3.0
2.0
-0.5
C, CAPACITANCE (pF)
f, CURRENT-GAIN - BANDWIDTH PRODUCT (MHz)
T
T
A
= 25°C
C
ob
C
ib
-0.6 -1.0 -2.0 -4.0 -6.0 -10 -20 -30 -40
150
-1.0 -2.0 -3.0 -5.0 -10 -20 -30 -50
V
CE
= -10 V
T
A
= 25°C
T
A
= 25°C
1.0
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