TIP47, TIP48, TIP49, TIP50
NPN SILICON POWER TRANSISTORS
DECEMBER 1971 - REVISED MARCH 1997
PARAMETER MEASUREMENT INFORMATION
+25 V
T
BD135
120 Ω
680 µF
100 Ω
V1
47 Ω
100 µF
tp
TUT
15 Ω
V1 100 Ω
tp = 20 µs
Duty cycle = 1%
V1 = 15 V, Source Impedance = 50 Ω
BD136
82 Ω
680 µF
Figure 1. Resistive-Load Switching Test Circuit
V cc V=CC250 V
A - B = td
B - C = tr
E - F = tf
D - E = ts
A - C = ton
D - F = toff
C 90%
90% E
IC
B 10%
10% F
0%
IB
A 10%
90% D
dIB
dt
≥ 2 A/µs
I B(on)
0%
I B(off)
Figure 2. Resistive-Load Switching Waveforms
PRODUCT INFORMATION
3