Westcode Semiconductors M0310YH300, M0310YH350 Data Sheet
Date:- 8 Jun, 2004
WESTCODE
An
V
RRM
V
RSM
I
F(AV)M
I
F(AV)M
I
F(AV)M
I
F(RMS)
I
f(d.c.)
I
FSM
I
FSM2
I2tI
I2t
T
j op
T
stg
IXYS
Company
Soft Recovery Diode
Types M0310YH300 to M0310YH350
Old Type No.: SM30-35HXC103
Absolute Maximum Ratings
VOLTAGE RATINGS
Repetitive peak reverse voltage, (note 1) 3000-3500 V
Non-repetitive peak reverse voltage, (note 1) 3100-3600 V
OTHER RATINGS
Maximum average forward current, T
Maximum average forward current. T
Maximum average forward. T
Nominal RMS forward current, T
D.C. forward current, T
Peak non-repetitive surge tp=10ms, VRM=60%V
Peak non-repetitive surge tp=10ms, V
2
t capacity for fusing tp=10ms, VRM=60%V
2
t capacity for fusing tp=10ms, V
I
Operating temperature range -40 to +150 °C
Storage temperature range -40 to +150 °C
sink
=100°C, (note 3) 119 A
sink
=25°C, (note 4) 497 A
=55°C, (note 2) 310 A
sink
=100°C, (note 2) 199 A
sink
=25°C, (note 2) 582 A
sink
, (note 5) 4590 A
RRM
≤
10V, (note 5)
RM
, (note 5) 105×10
RRM
≤
10V, (note 5)
RM
Data Sheet Issue:- 1
MAXIMUM
LIMITS
MAXIMUM
LIMITS
5050 A
3
128×10
3
UNITS
UNITS
A2s
A2s
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.
Data Sheet. Types M0310YH300 to M0310YH350 Issue 1 Page 1 of 11 June, 2004
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Characteristics
Soft Recovery Diode Types M0310YH300 to M0310YH350
V
V
r
V
I
Q
Q
I
t
R
FM
T0
T
FRM
RRM
rr
ra
rm
rr
thJK
PARAMETER MIN. TYP. MAX. TEST CONDITIONS
Maximum peak forward voltage
- - 2.80 IFM=635A
- - 3.29 I
=930A
FM
(Note 1)
Threshold voltage - - 1.49 V
Slope resistance - - 2.06
Maximum forward recovery voltage
- - 105 di/dt = 1000A/µs, 25°C
- - 225 di/dt = 1000A/µs
Peak reverse current - - 50 Rated V
RRM
Recovered charge - 275 - µC
Recovered charge, 50% Chord - 210 250 µC
Reverse recovery current - 155 - A
I
=1000A, tp=500µs, di/dt=100A/µs,
FM
V
=50V, 50% Chord.
r
Reverse recovery time, 50% Chord - 2.8 -
Thermal resistance, junction to heatsink
- - 0.1 Double side cooled
- - 0.2 Single side cooled
UNITS
V
m
V
mA
µs
K/W
F Mounting force 5.5 - 8.5 kN
W
Weight - 140 - g
t
Notes:-
1) Unless otherwise indicated T
=150°C.
j
Ω
Data Sheet. Types M0310YH300 to M0310YH350 Issue 1 Page 2 of 11 June, 2004
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Notes on Ratings and Characteristics
1.0 Voltage Grade Table
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Soft Recovery Diode Types M0310YH300 to M0310YH350
V
Voltage Grade
30 3000 3100 1700
32 3200 3300 1800
34 3400 3500 1850
35 3500 3600 1875
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:
RRM
(V)
)ln(
where IF = instantaneous forward current.
4.0 Reverse recovery ratings
(i) Qra is based on 50% Irm chord as shown in Fig.(a) below.
V
RSM
(V)
V
dc
R
(V)
IDICIBAV
⋅+⋅+⋅+=
FFFF
(ii) Qrr is based on a 150µs integration time.
µ
s
150
I.e.
(iii)
Data Sheet. Types M0310YH300 to M0310YH350 Issue 1 Page 3 of 11 June, 2004
=
FactorK
dtiQ
.
rrrr
∫
0
t
1
=
t
2
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5.0 Reverse Recovery Loss
The following procedure is recommended for use where it is necessary to include reverse recovery
loss.
From waveforms of recovery current obtained from a high frequency shunt (see Note 1) and reverse
voltage present during recovery, an instantaneous reverse recovery loss waveform must be
constructed. Let the area under this waveform be E joules per pulse. A new sink temperature can then
be evaluated from:
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Soft Recovery Diode Types M0310YH300 to M0310YH350
)(
Where k = 0.2314 (°C/W)/s
E
= Area under reverse loss waveform per pulse in joules (W.s.)
f
= Rated frequency in Hz at the original sink temperature.
R
= d.c. thermal resistance (°C/W)
thJK
The total dissipation is now given by:
originaltot
NOTE 1 - Reverse Recovery Loss by Measurement
This device has a low reverse recovered charge and peak reverse recovery current. When measuring
the charge, care must be taken to ensure that:
(a) AC coupled devices such as current transformers are not affected by prior passage of high
amplitude forward current.
(b) A suitable, polarised, clipping circuit must be connected to the input of the measuring
oscilloscope to avoid overloading the internal amplifiers by the relatively high amplitude forward current
signal.
)()(
[]
fEWW
⋅+=
RfkETT
⋅+⋅−=
thJKMAXJSINK
(c) Measurement of reverse recovery waveform should be carried out with an appropriate critically
damped snubber, connected across diode anode to cathode. The formula used for the calculation of
this snubber is shown below:
2
R
Where: Vr= Commutating source voltage
6.0 Snubber Components
When selecting snubber components, care must be taken not to use excessively large values of
snubber capacitor or excessively small values of snubber resistor. Such excessive component values
may lead to device damage due to the large resultant values of snubber discharge current. If required,
please consult the factory for assistance.
Data Sheet. Types M0310YH300 to M0310YH350 Issue 1 Page 4 of 11 June, 2004
4
V
⋅=
C
R = Snubber resistance
r
di
C
⋅
dt
S
= Snubber capacitance
S
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