HFA06TB120PBF Datasheet, PDF (5/7 Pages) International Rectifier – Ultrafast, Soft Recovery Diode

REVERSE RECOVERY CIRCUIT
V_R = 200V
L = 70µH
0.01 Ω
D.U.T.
dif/dt
ADJUST _G
D
IRFP250
S
HFA06TB120PbF
I_F
0
Fig. 9- Reverse Recovery Parameter Test Circuit
3
trr
t_a
t_b
1 _{dif /dt}
2
I _RRM
4
Q _rr
0.5 I _RRM
di(rec)M/dt ⁵
0.75 I_RRM
1cu. _rdrief/ndtt
-
Rate of change
through zero
of
crossing
2re. _cIRoRveMry-
Peak reverse
current
3. trr - Reverse recovery
time measured from zero
crossing point of negative
paegnxaotsdrisna0ipgn.o5gIl^F_0atthtIeoRrdo_R^pu_M^{otgoinhtz0ew.r7ho5ecrIeu}_RrR^ar_Melinnte
4d.efQin_{rer d-}
Area
by t_rr
under curve
and I_RRM
Q_rr =
t_rr X I_RRM
2
5ch. _{adni(rgeec)Mo/fdt}
portion of t_rr
- Peak rate of
current during
t_b
Fig. 10 - Reverse Recovery Waveform and Definitions
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