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WESTCODE
An IXYS Company
Date:- 8 Jun, 2004
Data Sheet Issue:- 1
Soft Recovery Diode
Types M0225YH300 to M0225YH450
Old Type No.: SM30-45HXC084
Absolute Maximum Ratings
VRRM
VRSM
VOLTAGE RATINGS
Repetitive peak reverse voltage, (note 1)
Non-repetitive peak reverse voltage, (note 1)
MAXIMUM
LIMITS
3000-4500
3100-4600
UNITS
V
V
IF(AV)M
IF(AV)M
IF(AV)M
IF(RMS)
IF(d.c.)
IFSM
IFSM2
I2t
I2t
Tj op
Tstg
OTHER RATINGS
Maximum average forward current, Tsink=55°C, (note 2)
Maximum average forward current. Tsink=100°C, (note 2)
Maximum average forward. Tsink=100°C, (note 3)
Nominal RMS forward current, Tsink=25°C, (note 2)
D.C. forward current, Tsink=25°C, (note 4)
Peak non-repetitive surge tp=10ms, VRM=60%VRRM, (note 5)
Peak non-repetitive surge tp=10ms, VRM10V, (note 5)
I2t capacity for fusing tp=10ms, VRM=60%VRRM, (note 5)
I2t capacity for fusing tp=10ms, VRM10V, (note 5)
Operating temperature range
Storage temperature range
Notes:-
1) De-rating factor of 0.13% per °C is applicable for Tj below 25°C.
2) Double side cooled, single phase; 50Hz, 180° half-sinewave.
3) Single side cooled, single phase; 50Hz, 180° half-sinewave.
4) Double side cooled.
5) Half-sinewave, 150°C Tj initial.
MAXIMUM
LIMITS
225
147
89
421
365
2000
2200
20.0×103
24.2×103
-40 to +150
-40 to +150
UNITS
A
A
A
A
A
A
A
A2s
A2s
°C
°C
Data Sheet. Types M0225YH300 to M0225YH450 Issue 1
Page 1 of 11
June, 2004

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WESTCODE An IXYS Company
Characteristics
Soft Recovery Diode Types M0225YH300 to M0225YH450
PARAMETER
VFM Maximum peak forward voltage
VT0 Threshold voltage
rT Slope resistance
VFRM Maximum forward recovery voltage
IRRM Peak reverse current
Qrr Recovered charge
Qra Recovered charge, 50% Chord
Irm Reverse recovery current
trr Reverse recovery time, 50% Chord
R
thJK
Thermal resistance, junction to heatsink
F Mounting force
Wt Weight
MIN.
-
-
-
-
-
-
-
-
-
-
-
-
-
3.3
-
TYP. MAX. TEST CONDITIONS (Note 1)
UNITS
- 4.54 IFM=635A
- 3.80 IFM=450A
- 1.90
V
V
- 4.16
m
- 200 di/dt = 1000A/µs, 25°C
- 400 di/dt = 1000A/µs
V
- 50 Rated VRRM
mA
220 -
µC
100 130 IFM=550A, tp=500µs, di/dt=40A/µs, Vr=50V, µC
70 - 50% Chord.
A
3-
µs
- 0.1 Double side cooled
- 0.2 Single side cooled
K/W
- 5.5
kN
140 -
g
Notes:-
1) Unless otherwise indicated Tj=150°C.
Data Sheet. Types M0225YH300 to M0225YH450 Issue 1
Page 2 of 11
June, 2004

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WESTCODE An IXYS Company
Soft Recovery Diode Types M0225YH300 to M0225YH450
Notes on Ratings and Characteristics
1.0 Voltage Grade Table
Voltage Grade
30
32
34
36
38
40
42
44
45
VRRM
(V)
3000
3200
3400
3600
3800
4000
4200
4400
4500
VRSM
(V)
3100
3300
3500
3700
3900
4100
4300
4500
4600
VR dc
(V)
1700
1800
1850
1900
1950
2000
2050
2100
2150
2.0 De-rating Factor
A blocking voltage de-rating factor of 0.13% per °C is applicable to this device for Tj below 25°C.
3.0 ABCD Constants
These constants (applicable only over current range of VF characteristic in Figure 1) are the
coefficients of the expression for the forward characteristic given below:
VF = A + B ln(I F ) + C I F + D I F
where IF = instantaneous forward current.
4.0 Reverse recovery ratings
(i) Qra is based on 50% Irm chord as shown in Fig.(a) below.
(ii) Qrr is based on a 150µs integration time.
150 µs
I.e. Qrr = irr .dt
0
(iii)
K Factor = t1
t2
Data Sheet. Types M0225YH300 to M0225YH450 Issue 1
Page 3 of 11
June, 2004