BUF620 Datasheet, PDF (4/9 Pages) Vishay Siliconix – Silicon NPN High Voltage Switching Transistor

BUF620
Vishay Telefunken
94 8852
I_B
I_B1
0
R_C
–I_B2
I_C
(1)
I_B1
V_CE
V_CC
I_C
I_B
0.9 I_C
R_B
V_BB +
(1) Fast electronic switch
0.1 I_C
t_r
t_d
t_on
Figure 2. Test circuit for switching characteristics – resistive load
t
t
t_s t_f
t_off
94 8853
I_B
I_B1
(1)
I_B1
I_B
R_B
V_{BB +}
L_C
0
–I_B2
I_C ⁽²⁾
V_CE
V_clamp
I_C
V_CC ^{0.9 IC}
0.1 I_C
(1) Fast electronic switch
(2) Fast recovery rectifier
Figure 3. Test circuit for switching characteristics – inductive load
t
t
t_s
t_r
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4 (9)
Document Number 86507
Rev. 2, 20–Jan–99