IXYS
Diode Modules MD#510
Absolute Maximum Ratings
V
RRM
V
DRM
[V]
1800
Date: 20.08.2015
Data Sheet Issue: 1
MDD
510-18N3
MDA
510-18N3
MDK
510-18N3
VOLTAGE RATINGS
V
RRM
V
RSM
Repetitive peak reverse voltage
1)
Non-repetitive peak reverse voltage
1)
MAXIMUM
LIMITS
1800
1900
UNITS
V
V
OTHER RATINGS
I
F(AV)M
I
F(AV)M
I
F(RMS)M
I
F(d.c.)
I
FSM
I
FSM2
I
2
t
I
2
t
V
ISOL
T
vj op
T
stg
Maximum average forward current, T
C
= 85°C
2)
Maximum average forward current. T
C
= 100°C
2)
Nominal RMS forward current, T
C
= 55°C
2)
D.C. forward current, T
C
= 55°C
Peak non-repetitive surge t
p
= 10 ms, V
RM
= 60%V
RRM
3)
Peak non-repetitive surge t
p
= 10 ms, V
RM
£
10V
3)
I
2
t capacity for fusing t
p
= 10 ms, V
RM
= 60%V
RRM
3)
I
2
t capacity for fusing t
p
= 10 ms, V
RM
£
10 V
3)
Isolation Voltage
4)
Operating temperature range
Storage temperature range
MAXIMUM
LIMITS
545
445
1135
890
10.9
12.0
594
720
3000
-40 to +150
-40 to +150
UNITS
A
A
A
A
kA
kA
kA
2
s
kA
2
s
V
°C
°C
Notes:
1) De-rating factor of 0.13% per °C is applicable for T
vj
below 25°C.
2) Single phase; 50 Hz, 180° half-sinewave.
3) Half-sinewave, 150°C T
vj
initial.
4) AC RMS voltage, 50 Hz, 1min test
Rating Report. Type MD#510-18N3 Issue 1
Page 1 of 5
August, 2015
IXYS
Characteristics
PARAMETER
V
FM
V
T0
r
T
I
RRM
R
thJC
R
thCH
F
1
F
2
W
t
Maximum peak forward voltage
Threshold voltage
Slope resistance
Peak reverse current
Thermal resistance, junction to case
Thermal resistance, case to heatsink
Mounting force (to heatsink)
Mounting force (to terminals)
Weight
Notes:
1) Unless otherwise indicated T
vj
=125°C.
2) Screws must be lubricated.
Diode Module Type MD#510-18N3
MIN.
-
-
-
-
-
-
-
-
-
-
-
TYP.
-
-
-
-
0.1100
0.0550
0.040
0.020
6.00
9.00
800
MAX. TEST CONDITIONS
1)
1.20
0.75
0.25
30
-
-
-
-
-
-
-
2)
UNITS
V
V
mW
I
TM
= 785 A, T
VJ
= 25°C
Rated V
RRM
Single Arm
Whole Module
Single Arm
Whole Module
mA
K/W
K/W
K/W
K/W
Nm
Nm
g
Rating Report. Type MD#510-18N3 Issue 1
Page 2 of 5
August, 2015
IXYS
Notes on Ratings and Characteristics
1.0 Voltage Grade Table
Voltage Grade
18
V
DRM
V
RRM
V
1800
V
DSM
V
RSM
V
1900
Diode Module Type MD#510-18N3
V
D
V
R
DC V
1150
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 T
vj
below 25°C.
4.0 Repetitive dv/dt
Standard dv/dt is 1000V/µs.
5.0 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.
6.0 Computer Modelling Parameters
6.1 Thyristor Dissipation Calculations
I
AV
-
V
T
0
+
V
T
0
+
4
×
ff
×
r
T
×
W
AV
=
2
×
ff
2
×
r
T
2
2
W
AV
and:
D
T
=
R
th
D
T
=
T
j
max
-
T
C
Where V
T0
= 0.75 V, r
T
= 0.25 mW.
R
th
= Supplementary thermal impedance, see table below and
ff
= Form factor, see table below.
Supplementary Thermal Impedance
Conduction Angle
Square wave
Sine wave
30°
3.46
3.98
60°
2.45
2.78
90°
2
2.22
120°
1.73
1.88
180°
1.41
1.57
270°
1.15
d.c.
1
Form Factors
Conduction Angle
Square wave
Sine wave
30°
3.464
3.98
60°
2.449
2.778
90°
2
2.22
120°
1.732
1.879
180°
1.414
1.57
270°
1.149
d.c.
1
Rating Report. Type MD#510-18N3 Issue 1
Page 3 of 5
August, 2015
IXYS
6.2 D.C. Thermal Impedance Calculation
-
t
æ
ç
1
-
e
t
p
r
t
=
å
r
p
×
ç
p
=
1
è
p
=
n
Diode Module Type MD#510-18N3
ö
÷
÷
ø
Where
p = 1
to
n and:
n
t
r
t
r
p
t
p
= number of terms in the series
= Duration of heating pulse in seconds
= Thermal resistance at time t
= Amplitude of p
th
term
= Time Constant of r
th
term
The coefficients for this device are shown in the table below:
D.C.
Term
1
0.1293
2.823
2
0.01314
1.393
3
0.02771
0.3322
4
-0.05535
0.0611
5
0.0528
0.05731
6
0.002749
0.002713
r
p
t
p
Rating Report. Type MD#510-18N3 Issue 1
Page 4 of 5
August, 2015
IXYS
Outline Drawing & Ordering Information
Diode Module Type MD#510-18N3
3
1
2
MDD
3
1
2
MDA
3
1
2
MDK
150A125
ORDERING INFORMATION
M
Fixed
Type Code
(Please quote 11 digit code as below)
D#
Configuration code
DD, DA or DK
510
Fixed
Type Code
tt
Voltage code
V
RRM
/100
18
N
Standard Diode
3
Fixed
Version Code
Typical order code: MDD510-18N3– MDD configuration, 1800V V
RRM
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
1590 Buckeye Drive
Milpitas CA 95035-7418
Tel: +1 (408) 547 9000
Fax: +1 (408) 496 0670
E-mail:
sales@ixys.net
IXYS UK Westcode Ltd
Langley Park Way, Langley Park,
Chippenham, Wiltshire, SN15 1GE.
Tel: +44 (0)1249 444524
Fax: +44 (0)1249 659448
E-mail:
sales@ixysuk.com
IXYS Long Beach, Inc
IXYS Long Beach, Inc
2500 Mira Mar Ave, Long Beach
CA 90815
Tel: +1 (562) 296 6584
Fax: +1 (562) 296 6585
E-mail:
service@ixyslongbeach.com
© IXYS UK Westcode Ltd.
www.ixysuk.com
www.ixys.com
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 IXYS UK Westcode Ltd.
In the interest of product improvement, IXYS UK Westcode Ltd reserves the right to change specifications at any time without
prior notice.
Devices with a suffix code (2-letter, 3-letter or letter/digit/letter combination) added to their generic code are not necessarily
subject to the conditions and limits contained in this report.
Rating Report. Type MD#510-18N3 Issue 1
Page 5 of 5
August, 2015
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