BC846 查看數據表（PDF） - E-Tech Electronics LTD
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BC846 Datasheet PDF : 4 Pages
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BC846ALT1,BLT1 BC847ALT1,BLT1 CLT1 thru BC850BLT1,CLT1
ELECTRICAL CHARACTERISTICS(TA = 25°C unless otherwise noted) (Continued)
Characteristic
Symbol Min
ON CHARACTERISTICS
DC Current Gain
BC846A, BC847A, BC848A
h FE
—
(I C = 10 µA, V CE = 5.0 V)
BC846B, BC847B, BC848B
—
BC847C, BC848C
—
(I C = 2.0 mA, V CE = 5.0 V)
BC846A, BC847A, BC848A
110
BC846B, BC847B, BC848B, BC849B, BC850B
200
BC847C, BC848C, BC849C, BC850C
420
Collector–Emitter Saturation Voltage (I C = 10 mA, I B = 0.5 mA)
Collector–Emitter Saturation Voltage (I C = 100 mA, I B = 5.0 mA)
—
V CE(sat)
—
Base–Emitter Saturation Voltage (I C = 10 mA, I B = 0.5 mA)
Base–Emitter Saturation Voltage (I C = 100 mA, I B = 5.0 mA)
—
V BE(sat)
—
Base–Emitter Voltage (I C = 2.0 mA, V CE = 5.0 V)
Base–Emitter Voltage (I C = 10 mA, V CE = 5.0 V)
V BE(on)
580
—
SMALL–SIGNAL CHARACTERISTICS
Current–Gain — Bandwidth Product
(I C = 10 mA, V CE = 5.0 Vdc, f = 100 MHz)
Output Capacitance (V CB = 10 V, f = 1.0 MHz)
Noise Figure (I C = 0.2 mA, BC846A, BC847A, BC848A
V CE = 5.0 Vdc, R S = 2.0 kΩ, BC846B, BC847B, BC848B
f = 1.0 kHz, BW = 200 Hz) BC847C, BC848C
BC849B,C, BC850B,C
fT
100
Cobo
—
NF
—
—
Typ Max Unit
90
—
—
150
—
270
—
180
220
290
450
520
800
—
0.25
—
0.6
V
0.7
—
V
0.9
—
660
700
mV
—
770
—
—
MHz
—
4.5
pF
dB
—
10
—
4.0
2.0
1.5
V
T
ACE==2150°CV
1.0
0.8
0.6
0.4
0.3
0.2
0.2
2.0
1.6
1.2
0.8
0.5 1.0
2.0
5.0
10 20
50 100 200
I C , COLLECTOR CURRENT (mAdc)
Figure 1. Normalized DC Current Gain
T A = 25°C
I C = I C = I C = 50 mA
10 mA 20 mA
I C= 200 mA
I C = 100 mA
0.4
0
0.02
0.1
1.0
10 20
I B , BASE CURRENT (mA)
Figure 3. Collector Saturation Region
1.0
0.9 T A = 25°C
0.8
V BE(sat) @ I C /I B=10
0.7
0.6
V BE(on) @ V CE = 10 V
0.5
0.4
0.3
0.2
0.1
V CE(sat) @ I C /I B = 10
0
0.1
0.2 0.3 0.5 0.7 1.0 2.0 3.0 5.0 7.0 10
20 30 50 70 100
I C , COLLECTOR CURRENT (mAdc)
Figure 2. “Saturation” and “On” Voltages
1.0
–55°C to +125°C
1.2
1.6
2.0
2.4
2.8
3.0
0.2
1.0
10
100
I C , COLLECTOR CURRENT (mA)
Figure 4. Base–Emitter Temperature Coefficient
M3–2/4
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