General Purpose Transistor
Rating and Characteristic Curves (MMBT3906)
TYPICAL STATIC CHARACTERISTICS
2.0
TJ = +125°C
h
FE
, DC Current Gain (Normalized)
COMCHIP
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VCE = 1.0 V
1.0
0.7
0.5
0.3
0.2
+25°C
– 55°C
0.1
0.1
0.2
0.3
0.5
0.7
1.0
2.0
3.0
5.0 7.0
I C, Collector Current (mA)
10
20
30
50
70
100
200
Figure 13. DC Current Gain
1.0
TJ = 25°C
VCE , Collector Emitter Voltage (V)
0.8
IC = 1.0 mA
10 mA
30 mA
100 mA
0.6
0.4
0.2
0
0.01
0.02
0.03
0.05
0.07
0.1
0.2
0.3
0.5
I B, Base Current (mA)
0.7
1.0
2.0
3.0
5.0
7.0
10
Figure 14. Collector Saturation Region
1.0
1.0
q
V, Temperature Coefficients (mV/
°
C)
TJ = 25°C
VBE(sat) @ IC/IB = 10
VBE @ VCE = 1.0 V
0.8
0.5
0
– 0.5
q
VC FOR VCE(sat)
+25°C TO +125°C
V, Voltage (V)
0.6
– 55°C TO +25°C
0.4
VCE(sat) @ IC/IB = 10
+25°C TO +125°C
– 1.0
– 55°C TO +25°C
– 1.5
– 2.0
0.2
q
VB FOR VBE(sat)
0
1.0
2.0
5.0
50
10
20
I C, Collector Current (mA)
100
200
0
20
40
60
80 100 120 140
I C, Collector Current (mA)
160
180
200
Figure 15. “ON” Voltages
Figure 16. Temperature Coefficients
MDS0306002A
Page 5
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