2
Motorola Bipolar Power Transistor Device Data
(TC = 25 C unless otherwise noted)
Characteristic
ON CHARACTERISTICS (1)
Symbol
Min
Max
Unit
DC Current Gain
hFE
—
(IC = 2 Adc, VCE = 4 Vdc)
DYNAMIC CHARACTERISTICS
Small–Signal Current Gain
(IC = 0.75 Adc, VCE = 10 Vdc, f = 1 kHz)
Output Capacitance
hfe
Cob
25
—
—
pF
0.04
0.2
2
0.1
0.06
0.4
1
4
IC, COLLECTOR CURRENT (AMP)
VCC = 30 V
IC/IB = 250
t
μ
2
1
0.8
0.6
0.4
0.2
ts
tf
Figure 1. Switching Times Test Circuit
Figure 2. Switching Times
tr
IB1 = IB2
TJ = 25
°
C
td @ VBE(off) = 0
PNP
NPN
4
0.6
V2
APPROX
+8 V
0
≈
8 k
SCOPE
VCC
–30 V
RC
51
FOR td AND tr, D1 IS DISCONNECTED
AND V2 = 0
FOR NPN TEST CIRCUIT REVERSE ALL POLARITIES.
25
μ
s
tr, tf
≤
10 ns
DUTY CYCLE = 1%
+ 4 V
RB & RC VARIED TO OBTAIN DESIRED CURRENT LEVELS
D1, MUST BE FAST RECOVERY TYPE, e.g.:
1N5825 USED ABOVE IB
≈
100 mA
MSD6100 USED BELOW IB
≈
100 mA
V1
APPROX
–12 V
TUT
RB
D1
≈
120
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