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WESTCODE
An IXYS Company
Date:- 9 Feb, 2004
Data Sheet Issue:- 1
Fast Recovery Diode
Type M0790Y#200 to M0790Y#250
Old Type No.: SM12-20CXC294
Absolute Maximum Ratings
VRRM
VRSM
VOLTAGE RATINGS
Repetitive peak reverse voltage, (note 1)
Non-repetitive peak reverse voltage, (note 1)
MAXIMUM
LIMITS
2000-2500
2100-2600
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
790
500
295
1490
1250
9000
9900
405×103
490×103
-40 to +150
-40 to +150
UNITS
A
A
A
A
A
A
A
A2s
A2s
°C
°C
Data Sheet. Types M0790Y#200 to M0790Y#250 Issue 1
Page 1 of 11
February, 2004

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WESTCODE An IXYS Company
Characteristics
Fast Recovery Diode Types M0790Y#200 to M0790Y#250
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.
-
-
-
-
-
-
-
-
-
-
-
-
-
5.5
-
-
TYP. MAX. TEST CONDITIONS (Note 1)
- 1.6 IFM=635A
- 2.2 IFM=1580A
- 1.272
- 0.584
- 40 di/dt = 1000A/µs, 25°C
- 80 di/dt = 1000A/µs
- 30 Rated VRRM
425 -
300 330 IFM=1000A, tp=1000µs, di/dt=60A/µs,
150 - Vr=50V, 50% Chord.
4.0 -
- 0.05 Double side cooled
- 0.10 Single side cooled
- 8.5
90 - Outline option YC
140 - Outline option YH
Notes:-
1) Unless otherwise indicated Tj=150°C.
UNITS
V
V
m
V
mA
µC
µC
A
µs
K/W
kN
g
Data Sheet. Types M0790Y#200 to M0790Y#250 Issue 1
Page 2 of 11
February, 2004

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WESTCODE An IXYS Company
Notes on Ratings and Characteristics
1.0 Voltage Grade Table
Voltage Grade
20
22
24
25
VRRM
(V)
2000
2200
2400
2500
Fast Recovery Diode Types M0790Y#200 to M0790Y#250
VRSM
(V)
2100
2300
2500
2600
VR dc
(V)
1250
1350
1450
1500
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 M0790Y#200 to M0790Y#250 Issue 1
Page 3 of 11
February, 2004