MURB1629-1PBF IRF [International Rectifier], MURB1629-1PBF Datasheet - Page 5

• Manufacturer Part Number: MURB1629-1PBF
• Description: Ultrafast Rectifier
• Manufacturer: IRF [International Rectifier]

www.irf.com
0
1. di
2. I
3. t
crossing
crossing point of negative going I
a line passing through 0.75 I
extrapolated to zero current
RRM
rr
I
F
F
- Reverse recovery time measured from zero
/dt - Rate of change of current through zero
- Peak reverse recovery current
Fig. 10 - Reverse Recovery Waveform and Definitions
Fig. 9- Reverse Recovery Parameter Test Circuit
ADJUST
dif/dt
di
1
F
/dt
di /dt
RRM
di
Reverse Recovery Circuit
f
F
F
/dt
and 0.50 I
L = 70µH
to point where
G
t
a
V
RRM
R
2
3
= 200V
I
0.01 Ω
D
RRM
S
t
IRFP250
rr
MURB1620CTPbF, MURB1620CT-1PbF
0.75 I
4. Q
5. di (rec) M / dt - Peak rate of change of
D.U.T.
t
and I
current during t b portion of t rr
b
rr
- Area under curve defined by t
RRM
RRM
di(rec)M/dt
0.5
Q rr =
Q
I
rr
RRM
t rr x I RRM
4
2
5
Bulletin PD-21083 08/05
rr
5