参数资料
型号: MURB820TRR
元件分类: 参考电压二极管
英文描述: 8 A, 200 V, SILICON, RECTIFIER DIODE
封装: D2PAK-3
文件页数: 5/8页
文件大小: 173K
代理商: MURB820TRR
Bulletin PD-20731 rev. A 03/00
5
MUR820, MURB820, MURB820-1
Fig. 10 - Reverse Recovery Waveform and Definitions
IRFP250
D.U.T.
L = 70H
V = 200V
R
0.01
G
D
S
dif/dt
ADJUST
ta
tb
trr
Qrr
IF
IRRM
0.5
di(rec)M/dt
0.75 IRRM
5
4
3
2
0
1
di /dt
f
Fig. 9- Reverse Recovery Parameter Test Circuit
Reverse Recovery Circuit
di F /dt
di F /dt
4. Qrr - Area under curve defined by t rr
and IRRM
5. di (rec) M / dt - Peak rate of change of
current during t b portion of t rr
1. diF/dt - Rate of change of current through zero
crossing
2. IRRM - Peak reverse recovery current
3. trr - Reverse recovery time measured from zero
crossing point of negative going IF to point where
a line passing through 0.75 IRRM and 0.50 IRRM
extrapolated to zero current
Q rr =
t rr x I RRM
2
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