BUF644 Vishay, BUF644 Datasheet - Page 7

• Manufacturer Part Number: BUF644
• Description: Silicon Npn High Voltage Switching Transistor
• Manufacturer: Vishay

Document Number 86512
Rev. 2, 20–Jan–99
94 9218
0.5
0.4
0.3
0.2
0.1
0
0
T
saturated switching
L–load
I
j
C
= 125 C
= 1.5A, I
Figure 16. t
1
B1
= 0.3A
–I
f
B2
2
vs. –I
T
/ I
j
= 25 C
B1
B2
/I
B1
3
4
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