Page 1
Type W2624NC160 to W2624NC250
Absolute Maximum Ratings
Date:- 7 May, 2003
Data Sheet Issue:- 1
Rectifier Diode
Old Type No.: SW16-25CXC11C
VOLTAGE RATINGS
V
RRM
V
RSM
Repetitive peak reverse voltage, (note 1) 1600-2500 V
Non-repetitive peak reverse voltage, (note 1) 1700-2600 V
OTHER RATINGS
I
F(AV)M
I
F(AV)M
I
F(AV)M
I
F(RMS)M
I
F(d.c.)
I
FSM
I
FSM2
I2tI
I2t
T
j op
T
stg
Notes:-
1) De-rating factor of 0.13% per °C is applicable for T
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, 160°C T
Maximum average forward current, T
Maximum average forward current. T
Maximum average forward current. T
Nominal RMS forward current, T
D.C. forward current, T
=25°C, (note 4) 4218
sink
Peak non-repetitive surge tp=10ms, Vrm=0.6V
=55°C, (note 2) 2624
sink
=85°C, (note 2) 2110
sink
=85°C, (note 3) 1311
sink
=25°C, (note 2) 4828
sink
, (note 5) 28.0 kA
RRM
Peak non-repetitive surge tp=10ms, Vrm≤10V, (note 5)
2
t capacity for fusing tp=10ms, Vrm=0.6V
2
I
t capacity for fusing tp=10ms, Vrm≤10V, (note 5)
, (note 5) 3.92×10
RRM
Operating temperature range -55 to +160 °C
Storage temperature range -55 to +190 °C
below 25°C.
j
initial.
j
MAXIMUM
LIMITS
MAXIMUM
LIMITS
30.8 kA
6
4.74×10
6
UNITS
UNITS
A
A
A
A
A
A2s
A2s
Data Sheet. Type W2624NC160 to W2624NC250 Issue 1 Page 1 of 9 May, 2003
Page 2
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WESTCODE An IXYS Company Rectifier Diode Type W2624NC160 to W2624NC250
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Characteristics
PARAMETER MIN. TYP. MAX. TEST CONDITIONS (Note 1) UNITS
V
V
V
r
I
I
Q
Q
I
t
R
FM
FM
T0
T
RRM
RRM
rr
ra
rr
rr
thJK
Maximum peak forward voltage - - 1.5 ITM=4500A V
Maximum peak forward voltage - - 2.03 ITM=7870A V
Threshold voltage - - 0.78 V
Slope resistance - - 0.16
Peak reverse current - - 50 Rated V
Peak reverse current - - 50 Rated V
RRM
, Tj=25°C mA
RRM
mΩ
mA
Recovered charge - 3100 - µC
Recovered charge, 50% Chord - 2200 2600 µC
Reverse recovery current - 160 - A
Reverse recovery time - 27 -
Thermal resistance, junction to heatsink
- - 0.022 Double side cooled K/W
I
=1000A, tp=1000µs, di/dt=10A/µs,
TM
V
=50V
r
µs
- - 0.044 Single side cooled K/W
F Mounting force 19 - 26 kN
W
Weight - 510 - g
t
Notes:-
1) Unless otherwise indicated T
=160°C.
j
Data Sheet. Type W2624NC160 to W2624NC250 Issue 1 Page 2 of 9 May, 2003
Page 3
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WESTCODE An IXYS Company Rectifier Diode Type W2624NC160 to W2624NC250
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Notes on Ratings and Characteristics
1.0 Voltage Grade Table
V
Voltage Grade
16 1600 1700 1050
18 1800 1900 1150
20 2000 2100 1250
22 2200 2300 1350
24 2400 2500 1450
25 2500 2600 1500
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
DRM VDSM VRRM
V
V
RSM
V
V
V
D
DC V
R
5.1 Device Dissipation Calculations
T
2
4
I
=
AV
Where V0=0.78V, rs=0.16mΩ,
R
= Supplementary thermal impedance, see table below and
th
00
rff
2
⋅⋅
s
WrffVV
⋅⋅⋅++−
AVs
and:
W
AV
=
∆
R
th
max
TTT
−=∆
Hsj
ff = Form factor, see table below.
Supplementary Thermal Impedance
Conduction Angle 30° 60° 90° 120° 180° 270° d.c.
Square wave Double Side Cooled
Square wave Single Side Cooled
Sine wave Double Side Cooled
Sine wave Single Side Cooled
Conduction Angle 30° 60° 90° 120° 180° 270° d.c.
Square wave 3.464 2.449 2 1.732 1.414 1.149 1
Sine wave 3.98 2.778 2.22 1.879 1.57
0.0312 0.0285 0.0267 0.0255 0.0240 0.0228 0.0220
0.0543 0.0513 0.0496 0.0484 0.0469 0.0455 0.0440
0.0268 0.0257 0.0241 0.0233 0.022
0.0509 0.0482 0.0471 0.0463 0.044
Form Factors
Data Sheet. Type W2624NC160 to W2624NC250 Issue 1 Page 3 of 9 May, 2003
Page 4
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WESTCODE An IXYS Company Rectifier Diode Type W2624NC160 to W2624NC250
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5.2 Calculating VF using ABCD Coefficients
The on-state characteristic I
(i) the well established V
(ii) a set of constants A, B, C, D, forming the coefficients of the representative equation for V
terms of I
given below:
F
vs. VF, on page 6 is represented in two ways;
F
and rs tangent used for rating purposes and
0
()
in
F
IDICIBAV ⋅+⋅+⋅+= ln
FFFF
The constants, derived by curve fitting software, are given below for both hot and cold characteristics. The
resulting values for V
agree with the true device characteristic over a current range, which is limited to
F
that plotted.
25°C Coefficients 160°C Coefficients
A
B
C
D
0.7560109 0.4728865
0.027321 0.05340866
9.716363×10
2.581858×10
-5
-4
1.63729×10
-2.329493×10
-4
-3
Data Sheet. Type W2624NC160 to W2624NC250 Issue 1 Page 4 of 9 May, 2003
Page 5
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p
p
t
WESTCODE An IXYS Company Rectifier Diode Type W2624NC160 to W2624NC250
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5.3 D.C. Thermal Impedance Calculation
−
=
np
∑
=
p
1
Where p = 1 to n, n is the number of terms in the series and:
t = Duration of heating pulse in seconds.
r
= Thermal resistance at time t.
t
= Amplitude of pth term.
r
= Time Constant of rth term.
τ
The coefficients for this device are shown in the tables below:
D.C. Single Side Cooled
Term12345
r
p
τ
p
0.0291698 4.295845×10
5.67822 1.123602 0.1407857 0.014381914 1.272749×10
-3
1
pt
7.57109×10
t
τ
p
−⋅=
err
-3
2.195801×10
-3
1.628753×10
-3
-3
D.C. Double Side Cooled
Term1234
r
p
τ
p
6.0 Reverse recovery ratings
(i) Qra is based on 50% Irm chord as shown in Fig. 1
(ii) Q
is based on a 150µs integration time i.e.
rr
(iii)
0.01177146 6.485814×10
0.9495346 0.1337950 0.01636628 1.255571×10
t
1
FactorK =
-3
2.471007×10
µ
150
=
∫
0
s
dtiQ
.
rrrr
-3
Fig. 1
1.607109×10
-3
-3
2
Data Sheet. Type W2624NC160 to W2624NC250 Issue 1 Page 5 of 9 May, 2003
Page 6
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WESTCODE An IXYS Company Rectifier Diode Type W2624NC160 to W2624NC250
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Curves
Figure 1 - Forward characteristics of Limit device Figure 2 - Transient thermal impedance
(A)
FM
Instantaneous forward current - I
10000
1000
W2624NC160-250
Issue 1
160°C25°C
0.1
W2624NC160-250
Issue 1
SSC 0.044K/W
DSC 0.022K/W
0.01
Thermal impedance (K/W)
0.001
100
00.511.522.5
Maximum instantaneous forward voltage - V
Figure 3 - Maximum surge Rating
100000
(A)
FSM
10000
Total peak half sine surge current - I
1000
135101 510 50100
0.0001
(V)
FM
0.0001 0.001 0.01 0.1 1 10 100
Time (s)
1.00E+08
RRM
≤
10V
I2t: VR=60% V
I
: V
≤
RRM
: VR=60% V
I
FSM
FSM
10V
RRM
RRM
1.00E+07
2
2
s)
t (A
I2t: V
Maximum I
Tj (initial) = 160°C
W2624NC160-250
Issue 1
1.00E+06
Duration of surge (ms) Duration of surge (cycles @ 50Hz)
Data Sheet. Type W2624NC160 to W2624NC250 Issue 1 Page 6 of 9 May, 2003
Page 7
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WESTCODE An IXYS Company Rectifier Diode Type W2624NC160 to W2624NC250
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Figure 4 - Total recovered charge, Q
100000
(µC)
rr
Total recovered charge - Q
W2624NC160-250
Issue 1
Tj = 160°C
10000
1000
1 10 100 1000
Commutation rate - di/dt (A/µs)
rr
2000A
1500A
1000A
500A
Figure 5 - Recovered charge, Qra (50% chord)
10000
W2624NC160-250
Issue 1
Tj = 160°C
2000A
1500A
1000A
500A
(µC)
ra
Recovered charge - Q
1000
1 10 100 1000
Commutation rate - di/dt (A/µs)
Figure 6 - Peak reverse recovery current, I
10000
W2624NC160-250
Issue 1
Tj = 160°C
1000
(A)
rm
100
Reverse recovery current - I
10
1 10 100 1000
Commutation rate - di/dt (A/µs)
rm
2000A
1500A
1000A
500A
Figure 7 - Maximum recovery time, trr (50% chord)
100
(µs)
rr
10
Recovery time - t
1
1 10 100 1000
Commutation rate - di/dt (A/µs)
W2624NC160-250
Issue 1
Tj = 160°C
2000A
1500A
1000A
500A
Data Sheet. Type W2624NC160 to W2624NC250 Issue 1 Page 7 of 9 May, 2003
Page 8
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WESTCODE An IXYS Company Rectifier Diode Type W2624NC160 to W2624NC250
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Figure 8 – Forward current vs. Power dissipation – Double Side Cooled
7000
W2624NC160-250
Issue 1
d.c.
Maximum Forward Dissipation (W)
6000
5000
4000
3000
2000
1000
½ wave
3ø
6ø
Figure 9 – Forward current vs. Heatsink temperature - Double Side Cooled
180
160
140
120
100
80
60
Maximum permissable heatsink temperature (°C)
40
20
6ø 3ø ½ wave d.c.
W2624NC160-250
Issue 1
0
0 1000 2000 3000 4000 5000
Mean Forward Current (A) (Whole cycle averaged)
Figure 10 – Forward current vs. Power dissipation – Single Side Cooled
3500
W2624NC160-250
Issue 1
d.c.
Maximum Forward Dissipation (W)
3000
2500
2000
1500
1000
½ wave
3ø
6ø
0
0 1000 2000 3000 4000 5000 6000
Mean Forward Current (A) (Whole cycle averaged)
Figure 11 – Forward current vs. Heatsink temperature – Single Side Cooled
180
160
140
120
100
80
60
Maximum permissible heatsink temperature (°C)
40
W2624NC160-250
Issue 1
500
20
0
0 500 1000 1500 2000 2500 3000
Mean Forward Current (A) (Whole cycle averaged)
Data Sheet. Type W2624NC160 to W2624NC250 Issue 1 Page 8 of 9 May, 2003
0
0 500 1000 150 0 2000 2500 3000
Mean forward current (A) (Whol e cycle averaged)
6ø 3ø ½ wave d.c.
Page 9
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WESTCODE An IXYS Company Rectifier Diode Type W2624NC160 to W2624NC250
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Outline Drawing & Ordering Information
ORDERING INFORMATION (Please quote 10 digit code as below)
W2624 NC
Fixed
Type Code
Order code: W2624NC180– 1800V V
IXYS Semiconductor GmbH
Edisonstraße 15
D-68623 Lampertheim
Tel: +49 6206 503-0
Fax: +49 6206 503-627
E-mail: marcom@ixys.de
IXYS Corporation
3540 Bassett Street
Santa Clara CA 95054 USA
Tel: +1 (408) 982 0700
Fax: +1 (408) 496 0670
E-mail: sales@ixys.net
The information contained herein is confidential and is protected by Copyright. The information may not be used or
disclosed except with the written permission of and in the manner permitted by the proprietors Westcode Semiconductors
Ltd.
In the interest of product improvement, Westcode reserves the right to change specifications at any ti me without prior
notice.
Devices with a suffix code (2-letter or letter/digit/l etter combination) added to their generic code are not necessarily subject
to the conditions and limits contained in this report.
outline code
, V
DRM
Fixed
, 27.7mm clamp height capsule.
RRM
www.westcode.com
www.ixys.net
♦♦
♦♦
♦♦♦♦
Voltage code
/100
V
DRM
16-25
0
Fixed turn-off
time code
Westcode Semiconductors Ltd
Langley Park Way, Langley Park,
Chippenham, Wiltshire, SN15 1GE.
Tel: +44 (0)1249 444524
Fax: +44 (0)1249 659448
E-mail: WSL.sales@westcode,com
Westcode Semiconductors Inc
3270 Cherry Avenue
Long Beach CA 90807 USA
Tel: +1 (562) 595 6971
Fax: +1 (562) 595 8182
E-mail: WSI.sales@westcode.com
© Westcode Semiconductors Ltd.
Data Sheet. Type W2624NC160 to W2624NC250 Issue 1 Page 9 of 9 May, 2003
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