BU407 查看數據表（PDF） - Power Innovations
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BU407 Datasheet PDF : 7 Pages
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BU406, BU407
NPN SILICON POWER TRANSISTORS
AUGUST 1978 - REVISED MARCH 1997
PARAMETER MEASUREMENT INFORMATION
V BB+
+4V
INPUT
0
47 Ω
SET
IB
100 Ω
22 Ω
50 Ω
100 Ω
TIP32
2N5337
1 kΩ
2N6191
TIP31
TIP31
5.6 Ω
7.5 Ω
TIP32
Current
Probes
BY205
14.8 µH
TIP31
V cc = 24V
240 µH
5 pF OUTPUT
TUT
BY205
V BB-
22 Ω
22 Ω
Figure 1. Inductive-Load Switching Test Circuit
IB 50%
0
64 µs
42 µs
IB(end)
ts
IC
0
t off
Vfly
VCE
0.1 A
toff is the time for the collector
current IC to decrease to 0.1 A
after the collector to emitter
voltage VCE has risen 3 V into
its flyback excursion.
3V
0
Figure 2. Inductive-Load Switching Waveforms
PRODUCT INFORMATION
3
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