MURB2020CT-1TRL IRF [International Rectifier], MURB2020CT-1TRL Datasheet - Page 5

• Manufacturer Part Number: MURB2020CT-1TRL
• Description: Ultrafast Rectifier
• Manufacturer: IRF [International Rectifier]

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0
1. di
2. I
3. t
I
F
crossing
crossing point of negative going I
a line passing through 0.75 I
extrapolated to zero current
RRM
rr
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
Reverse Recovery Circuit
di
RRM
f
F
/dt
L = 70µH
F
G
and 0.50 I
to point where
t
a
V
R
RRM
2
3
= 200V
I
0.01 Ω
D
S
RRM
t
IRFP250
rr
MURB2020CTPbF, MURB2020CT-1PbF
0.75 I
D.U.T.
4. Q
5. di (rec) M / dt - Peak rate of change of
t
b
and I
current during t b portion of t rr
rr
RRM
- Area under curve defined by t
di(rec)M/dt
RRM
0.5
Q rr =
Q
I
rr
RRM
4
t rr x I RRM
2
5
Bulletin PD-21084 08/05
rr
5