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Date:- 20th August, 2014
Data Sheet Issue:- 2
Rectifier Diode
Types W0503R/SC160 to W0503R/SC240
Previous Type No.: SW16-24PHN/R380
Absolute Maximum Ratings
VRRM
VRSM
VOLTAGE RATINGS
Repetitive peak reverse voltage, (note 1)
Non-repetitive peak reverse voltage, (note 1)
MAXIMUM
LIMITS
1600-2400
1700-2500
UNITS
V
V
OTHER RATINGS
IF(AV)M
IF(AV)M
IF(RMS)M
IF(d.c.)
IFSM
IFSM2
I2t
I2t
Tj op
Tstg
Maximum average forward current, Tcase=55°C, (note 2)
Maximum average forward current. Tcase=100°C, (note 2)
Nominal RMS forward current, Tcase=25°C, (note 2)
D.C. forward current, Tcase=25°C, (note 3)
Peak non-repetitive surge tp=10ms, Vrm=60%VRRM, (note 3)
Peak non-repetitive surge tp=10ms, Vrm10V, (note 3)
I2t capacity for fusing tp=10ms, Vrm=60%VRRM, (note 3)
I2t capacity for fusing tp=10ms, Vrm10V, (note 3)
Operating temperature range
Storage temperature range
Notes:-
1) De-rating factor of 0.13% per °C is applicable for Tj below 25°C.
2) single phase; 50Hz, 180° half-sinewave.
3) Half-sinewave, 180°C Tj initial.
MAXIMUM
LIMITS
503
369
912
766
5500
6050
151×103
183×103
-30 to +180
-40 to +200
UNITS
A
A
A
A
A
A
A2s
A2s
°C
°C
Data Sheet. Types W0503R/SC160 to W0503R/SC240 Issue 2
Page 1 of 8
August, 2014

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Characteristics
Rectifier Diode Types W0503R/SC160 to W0503R/SC240
VFM
VT0
rT
IRRM
RthJK
F
Wt
PARAMETER
Maximum peak forward voltage
Threshold voltage
Slope resistance
Peak reverse current
Thermal resistance, junction to heatsink
Mounting Torque
Weight
MIN.
-
-
-
-
-
2.5
TYP. MAX. TEST CONDITIONS (Note 1)
- 1.88 IFM=1200A
- 0.99
- 0.74
- 15 Rated VRRM
- 0.13 DC & 180° Sine Wave
- 2.77
250
Notes:-
1) Unless otherwise indicated Tj=180°C.
UNITS
V
V
m
mA
K/W
kgM
g
Data Sheet. Types W0503R/SC160 to W0503R/SC240 Issue 2
Page 2 of 8
August, 2014

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Rectifier Diode Types W0503R/SC160 to W0503R/SC240
Notes on Ratings and Characteristics
1.0 Voltage Grade Table
Voltage Grade
16
20
24
VRRM
V
1600
2000
2400
VRSM
V
1700
2100
2500
VR
DC V
1050
1250
1450
2.0 Extension of Voltage Grades
This report is applicable to other voltage grades when supply has been agreed by Sales/Production.
3.0 De-rating Factor
A blocking voltage de-rating factor of 0.13%/°C is applicable to this device for Tj below 25°C.
4.0 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.
5.0 Computer Modelling Parameters
5.1 Device Dissipation Calculations
I AV  VT 0
VT 02 4 ff 2 rT WAV
2 ff 2 rT
and:
Where VT0=0.99V, rT=0.74m
Rth = Supplementary thermal impedance, see table below and
ff = Form factor, see table below.
WAV
T
Rth
T Tj max TK
Conduction Angle
Square wave
Sine wave
Supplementary Thermal Impedance
6 phase (60°) 3 phase (120°)
0.174
0.153
0.172
0.153
½ wave (180°)
0.143
0.149
d.c.
0.130
Conduction Angle
Square wave
Sine wave
Form Factors
6 phase (60°) 3 phase (120°)
2.449
1.732
2.778
1.879
½ wave (180°)
1.414
1.57
d.c.
1
Data Sheet. Types W0503R/SC160 to W0503R/SC240 Issue 2
Page 3 of 8
August, 2014