2N4921 Datasheet, PDF (5/8 Pages) ON Semiconductor – 1 AMPERE GENERAL PURPOSE POWER TRANSISTORS 30 WATTS

2N4921 thru 2N4923
1000
700
500
300
200
TJ = 150°C
VCE = 1.0 V
100
25°C
70
50
-ā55°C
30
20
10
2.0 3.0 5.0
10 20 30 50 100 200 300 500 1000 2000
IC, COLLECTOR CURRENT (mA)
Figure 8. Current Gain
1.0
0.8
IC = 0.1 A 0.25 A
0.5 A 1.0 A
0.6
TJ = 25°C
0.4
0.2
0
0.2 0.3 0.5 1.0 2.0 3.0 5.0 10 20 30 50 100 200
IB, BASE CURRENT (mA)
Figure 9. Collector Saturation Region
108
107
IC = 2 x ICES
106
IC ≈ ICES
105
IC = 10 x ICES
VCE = 30 V
ICES VALUES
104 OBTAINED FROM
FIGURE 12
103
0
30
60
90
120
150
TJ, JUNCTION TEMPERATURE (°C)
Figure 10. Effects of Base–Emitter Resistance
1.5
TJ = 25°C
1.2
0.9
VBE(sat) @ IC/IB = 10
0.6
VBE @ VCE = 2.0 V
0.3
VCE(sat) @ IC/IB = 10
0
2.0 3.0 5.0 10 20 30 50
100 200 300 500 1000 2000
IC, COLLECTOR CURRENT (mA)
Figure 11. “On” Voltage
104
103
TJ = 150°C
102
100°C
25°C
101
100
IC = ICES
VCE = 30 V
10-1
REVERSE
10-ā2
-ā0.2 -ā0.1 0
FORWARD
+ā0.1 +ā0.2 +ā0.3 +ā0.4 +ā0.5
VBE, BASE-EMITTER VOLTAGE (VOLTS)
Figure 12. Collector Cut–Off Region
+ā2.5
+ā2.0
+ā1.5
*APPLIES FOR IC/IB ≤
hFEĂ@ĂVCEĂ +Ă 1.0ĂV
2
+ā1.0
TJ = 100°C to 150°C
+ā0.5
*θ_VC FOR VCE(sat)
0
-ā55°C to +100°C
-ā0.5
-ā1.0
-ā1.5
-ā2.0
θ_VB FOR VBE
-ā2.5
2.0 3.0 5.0 10 20 30 50 100 200 300 500 1000 2000
IC, COLLECTOR CURRENT (mA)
Figure 13. Temperature Coefficients
http://onsemi.com
5