參數(shù)資料
型號: HFA240NJ40C
廠商: International Rectifier
英文描述: Ultrafast, Soft Recovery Diode
中文描述: 超快,軟恢復二極管
文件頁數(shù): 5/5頁
文件大?。?/td> 323K
代理商: HFA240NJ40C
HFA240NJ40C
PD-2.453 rev. B 02/99
5
4. Q
- Area under curve defined by t
rr
and I
t
rr
X I
RRM
Q
=
2
5. di
/dt - Peak rate of change of
current during t
b
portion of t
rr
V
(AVAL)
R(RATED)
I
L(PK)
V
DECAY
Fig. 11
- Avalanche Test Circuit and Waveforms
Fig. 10
- Reverse Recovery Waveform and
Definitions
Fig. 9
- Reverse Recovery Parameter Test
Circuit
t
a
t
b
t
rr
Q
rr
I
RRM
0.5
di(rec)M/dt
I
F
I
RRM
0.75 I
RRM
5
4
3
2
0
1
di /dt
1. di
/dt - Rate of change of current
through zero crossing
2. I
RRM
- Peak reverse recovery current
3. trr - Reverse recovery time measured
from zero crossing point of negative
going I
to point where a line passing
through 0.75 I
and 0.50 I
RRM
extrapolated to zero current
REVERSE RECOVERY CIRCUIT
IRFP250
D.U.T.
L = 70
μH
V = 200V
0.01
G
D
S
dif/dt
CURRENT
MONITOR
HIGH-SPEED
SWITCH
DUT
Rg = 25 ohm
+
FREE-WHEEL
DIODE
Vd = 50V
L = 100
μH
http://www.irf.com Fax-On-Demand: +44 1883 733420 Data and specifications subject to change without notice.
233 Kansas St., El Segundo, California 90245 U.S.A. Tel: (310) 322 3331. Fax: (310) 322 3332.
Hurst Green, Oxted, Surrey RH8 9BB, U.K. Tel: ++ 44 1883 732020. Fax: ++ 44 1883 733408.
15 Lincoln Court, Brampton, Markham, Ontario L6T3Z2. Tel: (905) 453 2200. Fax: (905) 475 8801.
Saalburgstrasse 157, 61350 Bad Homburg. Tel: ++ 49 6172 96590. Fax: ++ 49 6172 965933.
Via Liguria 49, 10071 Borgaro, Torino. Tel: ++ 39 11 4510111. Fax: ++ 39 11 4510220.
K&H Bldg., 2F, 30-4 Nishi-Ikebukuro 3-Chome, Toshima-Ku, Tokyo, Japan 171. Tel: 81 3 3983 0086.
1 Kim Seng Promenade, Great World City West Tower,13-11, Singapore 237994. Tel: ++ 65 838 4630.
16 Fl. Suite D.207, Sec. 2, Tun Haw South Road, Taipei, 10673, Taiwan. Tel: 886 2 2377 9936.
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