K0885NC480 (IXYS)
Medium Voltage Thyristor

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Medium Voltage Thyristor Types K0885N#440 to K0885N#520
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An IXYS Company
Date:- 2nd Mar, 2009
Data Sheet Issue:- 1
Medium Voltage Thyristor
Type K0885N#440 to K0885N#520
Development Part No.: Kx193NC440-520
Absolute Maximum Ratings
VDRM
VDSM
VRRM
VRSM
VOLTAGE RATINGS
Repetitive peak off-state voltage, (note 1)
Non-repetitive peak off-state voltage, (note 1)
Repetitive peak reverse voltage, (note 1)
Non-repetitive peak reverse voltage, (note 1)
MAXIMUM
LIMITS
4400-5200
4400-5200
4400-5200
4500-5300
UNITS
V
V
V
V
OTHER RATINGS
IT(AV)M
IT(AV)M
IT(AV)M
IT(RMS)
IT(d.c.)
ITSM
ITSM2
I2t
I2t
(di/dt)cr
VRGM
PG(AV)
PGM
Tj op
Tstg
Maximum average on-state current, Tsink=55°C, (note 2)
Maximum average on-state current. Tsink=85°C, (note 2)
Maximum average on-state current. Tsink=85°C, (note 3)
Nominal RMS on-state current, Tsink=25°C, (note 2)
D.C. on-state 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)
continuous, 50Hz
Critical rate of rise of on-state current (Note 6)
repetitive, 50Hz, 60s
non-repetitive
Peak reverse gate voltage
Mean forward gate power
Peak forward gate power
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, 125°C Tj initial.
6) VD=67% VDRM, IFG=2A, tr0.5µs, Tcase=125°C.
MAXIMUM
LIMITS
885
620
387
1728
1544
10000
11000
500×103
605×103
150
300
600
5
2
30
-40 to +125
-40 to +150
UNITS
A
A
A
A
A
A
A
A2s
A2s
A/µs
V
W
W
°C
°C
Provisional Rating Report. Types K0885N#440 to K0885N#520 Issue 1
Page 1 of 12
March, 2009


K0885NC480 (IXYS)
Medium Voltage Thyristor

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Characteristics
Medium Voltage Thyristor Types K0885N#440 to K0885N#520
PARAMETER
VTM
VTM
VT0
rT
(dv/dt)cr
IDRM
IRRM
VGT
IGT
VGD
IH
tgd
tgt
Qrr
Qra
Irm
trr
Maximum peak on-state voltage
Maximum peak on-state voltage
Threshold voltage
Slope resistance
Critical rate of rise of off-state voltage
Peak off-state current
Peak reverse current
Gate trigger voltage
Gate trigger current
Gate non-trigger voltage
Holding current
Gate-controlled turn-on delay time
Turn-on time
Recovered charge
Recovered charge, 50% Chord
Reverse recovery current
Reverse recovery time, 50% Chord
tq Turn-off time
RthJK
F
Wt
Thermal resistance, junction to heatsink
Mounting force
Weight
MIN.
-
-
-
-
1000
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
19
-
TYP. MAX. TEST CONDITIONS (Note 1)
-
-
-
-
-
-
-
-
-
-
-
0.4
1.2
5300
2300
150
30
700
1000
-
-
-
500
500
2.20
3.74
1.27
ITM=1000A,
ITM=2660A
0.93
- VD= V, linear ramp, gate o/c
50 Rated VDRM
50 Rated VRRM
3.0
300 Tj=25°C
VD=10V, IT=3A
0.25 Rated VDRM
1000 Tj=25°C
1.0 VD= 50%VDRM, ITM=1000A, di/dt=10A/µs,
1.8 IFG=2A, tr=0.5µs, Tj=25°C
6000
- ITM=1000A, tp=1000µs, di/dt=10A/µs,
- Vr=50V
-
-
-
0.024
ITM=1000A, tp=1000µs, di/dt=10A/µs,
Vr=50V, Vdr=33%VDRM, dVdr/dt=20V/µs
ITM=1000A, tp=1000µs, di/dt=10A/µs,
Vr=50V, Vdr=33%VDRM, dVdr/dt=200V/µs
Double side cooled
0.048 Single side cooled
26 (Note 2)
Outline option NC
- Outline option NG
UNITS
V
V
V
m
V/µs
mA
mA
V
mA
V
mA
µs
µs
µC
µC
A
µs
µs
K/W
K/W
kN
g
Notes:-
1) Unless otherwise indicated Tj=125°C.
2) For other mounting forces, please consult factory.
Provisional Rating Report. Types K0885N#440 to K0885N#520 Issue 1
Page 2 of 12
March, 2009


K0885NC480 (IXYS)
Medium Voltage Thyristor

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Medium Voltage Thyristor Types K0885N#440 to K0885N#520
Notes on Ratings and Characteristics
1.0 Voltage Grade Table
Voltage Grade
44
48
50
52
VDRM VDSM VRRM
V
4400
4800
5000
5200
VRSM
V
4500
4900
5100
5300
VD VR
DC V
2080
2160
2200
2240
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 Repetitive dv/dt
Standard dv/dt is 1000V/µs.
5.0 Frequency Ratings
The curves illustrated in figures 16 & 17 are for guidance only and are superseded by the maximum
ratings shown on page 1. For operation above line frequency, please consult the factory for assistance.
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.
7.0 Rate of rise of on-state current
The maximum un-primed rate of rise of on-state current must not exceed 600A/µs at any time during turn-
on on a non-repetitive basis. For repetitive performance, the on-state rate of rise of current must not
exceed 300A/µs at any time during turn-on. Note that these values of rate of rise of current apply to the
total device current including that from any local snubber network.
8.0 Square wave frequency ratings
These ratings are given for load component rate of rise of on-state current of 100A/µs.
9.0 Duty cycle lines
The 100% duty cycle is represented on the frequency ratings by a straight line. Other duties can be
included as parallel to the first.
Provisional Rating Report. Types K0885N#440 to K0885N#520 Issue 1
Page 3 of 12
March, 2009


K0885NC480 (IXYS)
Medium Voltage Thyristor

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Medium Voltage Thyristor Types K0885N#440 to K0885N#520
10.0 Gate Drive
The nominal requirement for a typical gate drive is illustrated below. An open circuit voltage of at least 30V
is assumed. This gate drive must be applied when using the full di/dt capability of the device.
IGM
4A/µs
IG
tp1
The magnitude of IGM should be between five and ten times IGT, which is shown on page 2. Its duration
(tp1) should be 20µs or sufficient to allow the anode current to reach ten times IL, whichever is greater.
Otherwise, an increase in pulse current could be needed to supply the necessary charge to trigger. The
‘back-porch’ current IG should remain flowing for the same duration as the anode current and have a
magnitude in the order of 1.5 times IGT.
11.0 Computer Modelling Parameters
11.1 Device Dissipation Calculations
I AV = −V0 +
V02 + 4 ff rs WAV
2 ff rs
and:
WAV
=
T
Rth
T = Tj max THs
Where V0=1.27V, rs=0.93mΩ,
Rth = Supplementary thermal impedance, see table below and
ff = Form factor, see table below.
Conduction Angle
Square wave Double Side Cooled
Square wave Single Side Cooled
Sine wave Double Side Cooled
Sine wave Single Side Cooled
Supplementary Thermal Impedance
30° 60° 90° 120°
0.0293 0.0285 0.0278 0.0271
0.0534 0.053 0.0524 0.0518
0.0286 0.0276 0.0269 0.0263
0.0531 0.0523 0.0517 0.0511
180°
0.0261
0.0509
0.0248
0.0497
270°
0.0249
0.0497
d.c.
0.024
0.048
Conduction Angle
Square wave
Sine wave
30°
3.464
3.98
Form Factors
60° 90°
2.449
2
2.778
2.22
120°
1.732
1.879
180°
1.414
1.57
270°
1.149
d.c.
1
Provisional Rating Report. Types K0885N#440 to K0885N#520 Issue 1
Page 4 of 12
March, 2009


K0885NC480 (IXYS)
Medium Voltage Thyristor

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Medium Voltage Thyristor Types K0885N#440 to K0885N#520
11.2 Calculating VT using ABCD Coefficients
The on-state characteristic IT vs. VT, on page 6 is represented in two ways;
(i) the well established V0 and rs tangent used for rating purposes and
(ii) a set of constants A, B, C, D, forming the coefficients of the representative equation for VT in
terms of IT given below:
VT = A + B ln(IT ) + C IT + D IT
The constants, derived by curve fitting software, are given below for both hot and cold characteristics. The
resulting values for VT agree with the true device characteristic over a current range, which is limited to
that plotted.
25°C Coefficients
A 1.817265
B -0.137011
C 4.436071e-4
D 0.0205661
125°C Coefficients
A 0.1339075
B 0.1991792
C 8.79778e-4
D -5.972062e-3
11.3 D.C. Thermal Impedance Calculation
rt
=
p=n
rp
p =1
1
t
eτ p

Where p = 1 to n, n is the number of terms in the series and:
t = Duration of heating pulse in seconds.
r
t
=
Thermal resistance at time t.
rp = Amplitude of pth term.
τp = Time Constant of rth term.
The coefficients for this device are shown in the tables below:
Term
rp
τp
1
0.01249139
0.8840810
D.C. Double Side Cooled
23
6.316833×10-3
1.850855×10-3
0.1215195
0.03400152
4
1.922045×10-3
6.742908×10-3
5
6.135330×10-4
1.326292×10-3
Term
rp
τp
1
0.02919832
6.298105
2
4.863568×10-3
3.286174
D.C. Single Side Cooled
34
3.744798×10-3 6.818034×10-3
0.5359179
0.1186897
5
2.183558×10-3
0.02404574
6
1.848294×10-3
3.379476×10-3
Provisional Rating Report. Types K0885N#440 to K0885N#520 Issue 1
Page 5 of 12
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K0885NC480 (IXYS)
Medium Voltage Thyristor

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Curves
Figure 1 – On-state characteristics of Limit device
10000
KK0808858N5CN44#04-54200-520
IAssDueIs1sue 1
Medium Voltage Thyristor Types K0885N#440 to K0885N#520
1000
Tj = 25°C
Tj = 125°C
100
0123456
Instantaneous On-state voltage - VTM (V)
Figure 2 – Gate characteristics - Trigger limits
8
K0885N#C444400--552200
ADIsIssuseue11
Tj=25°C
Figure 3 – Gate characteristics - Power curves
20
KK00888855NNC#440-520
AIDssIsuseu1e 1
18 Tj=25°C
6
Max VG dc
16
14 Max VG dc
12
4
IGT, VGT
2
IGD, VGD
0
0
Min VG dc
0.25 0.5 0.75
Gate Current - IG (A)
1
10
8
6
4
2
0
0
PG Max 30W dc
PG 2W dc
246
Gate Current - IG (A)
Min VG dc
8 10
Provisional Rating Report. Types K0885N#440 to K0885N#520 Issue 1
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Medium Voltage Thyristor

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Figure 4 – Total recovered charge, Qrr
100000
K0885N#440-520
AD Issue 1
Medium Voltage Thyristor Types K0885N#440 to K0885N#520
Figure 5 – Recovered charge, Qra (50% chord)
10000
K0885N#440-520
AD Issue 1
10000
2000A
1000A
500A
200A
2000A
1000A
500A
200A
1000
1
10 100
di/dt (A/µs)
1000
Figure 6 – Peak reverse recovery current, Irm
10000
K0885N#440-520
AD Issue 1
1000
1
10 100
di/dt (A/µs)
1000
Figure 7 – Maximum recovery time, trr (50% chord)
100
K0885N#440-520
AD Issue 1
1000
100
2000A
1000A
500A
200A
10
2000A
1000A
500A
200A
10
1
10 100
di/dt (A/µs)
1000
1
1
Provisional Rating Report. Types K0885N#440 to K0885N#520 Issue 1
Page 7 of 12
10 100
di/dt (A/µs)
1000
March, 2009


K0885NC480 (IXYS)
Medium Voltage Thyristor

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Figure 8 – On-state current vs. Power dissipation –
Double Side Cooled (Sine wave)
4500 K0885N#440-520
AD Issue 1
180°
4000
90° 120°
60°
30°
3500
3000
2500
2000
1500
1000
500
0
0 200 400 600 800 1000 1200
Mean forward current (A) (Whole cycle averaged)
Figure 10 – On-state current vs. Power dissipation –
Double Side Cooled (Square wave)
4500
K0885N#440-520
AD Issue 1
4000
3500
3000
2500
2000
d.c.
270°
180°
120°
90°
60°
30°
1500
1000
500
0
0
500
1000
1500
2000
Mean Forward Current (Amps) (Whole Cycle Averaged)
Medium Voltage Thyristor Types K0885N#440 to K0885N#520
Figure 9 – On-state current vs. Heatsink temperature -
Double Side Cooled (Sine wave)
150
K0885N#440-520
AD Issue 1
125
100
75
50
25
30° 60° 90° 120° 180°
0
0 200 400 600 800 1000 1200
Mean forward current (A) (Whole cycle averaged)
Figure 11 – On-state current vs. Heatsink temperature
– Double Side Cooled (Square wave)
150
K0885N#440-520
AD Issue 1
125
100
75
50
25
30° 60° 90° 120° 180° 270° d.c.
0
0
500
1000
1500
2000
Mean Forward Current (Amps) (Whole Cycle Averaged)
Provisional Rating Report. Types K0885N#440 to K0885N#520 Issue 1
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March, 2009


K0885NC480 (IXYS)
Medium Voltage Thyristor

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Figure 12 – On-state current vs. Power dissipation –
Single Side Cooled (Sine wave)
2500
K0885N#440-520
AD Issue 1
2000
180°
30° 60° 90° 120°
Medium Voltage Thyristor Types K0885N#440 to K0885N#520
Figure 13 – On-state current vs. Heatsink temperature
– Single Side Cooled (Sine wave)
150
K0885N#440-520
AD Issue 1
125
1500
1000
100
75
50
500
25
30° 60° 90° 120° 180°
0
0 200 400 600 800
Mean forward current (A) (Whole cycle averaged)
Figure 14 – On-state current vs. Power dissipation –
Single Side Cooled (Square wave)
2500
K0885N#440-520
AD Issue 1
0
0 200 400 600 800
Mean forward current (A) (Whole cycle averaged)
Figure 15 – On-state current vs. Heatsink temperature
– Single Side Cooled (Square wave)
150
K0885N#440-520
AD Issue 1
2000
125
1500
1000
d.c.
270°
180°
120°
90°
60°
30°
100
75
50
500
25
30° 60° 90° 120° 180° 270° d.c.
0
0 200 400 600 800 1000 1200
Mean Forward Current (Amps) (Whole Cycle Averaged)
0
0 200 400 600 800 1000 1200
Mean Forward Current (Amps) (Whole Cycle Averaged)
Provisional Rating Report. Types K0885N#440 to K0885N#520 Issue 1
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K0885NC480 (IXYS)
Medium Voltage Thyristor

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Figure 16 – Square wave frequency ratings
1.00E+05
200A
K0885N#440-520
AD Issue 1
di/dt=100A/µs
THs=55°C
1.00E+04
500A
750A
100% Duty Cycle
1000A
1.00E+03
2000A
1.00E+02
Medium Voltage Thyristor Types K0885N#440 to K0885N#520
Figure 17 – Sine wave frequency ratings
1.00E+05
200A
K0885N#440-520
AD Issue 1
THs=55°C
1.00E+04 500A
100% Duty Cycle
750A
1000A
1.00E+03
2000A
1.00E+02
1.00E+01
1.00E-05
1.00E-04
1.00E-03
Pulse Width (s)
1.00E-02
Figure 18 – Transient thermal impedance
1 KK0088858N5CN44#04-54200-520
AIsDsueIs1sue 1
0.1
0.01
1.00E+01
1.00E-05
1.00E-04
1.00E-03
Pulse Width (s)
1.00E-02
SSC
0.048K/W
DSC
0.024K/W
0.001
0.0001
`
0.00001
0.000001
0.00001
0.0001
0.001
0.01
0.1
1
10 100
Time (s)
Provisional Rating Report. Types K0885N#440 to K0885N#520 Issue 1
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Medium Voltage Thyristor

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Figure 19 – Maximum surge and I2t Ratings
100000
K0885N#440-520
AD Issue 1
Tj (initial) = 125°C
Medium Voltage Thyristor Types K0885N#440 to K0885N#520
1.00E+07
I2t: VRRM 10V
I2t: 60% VRRM
10000
1.00E+06
ITSM: VRRM 10V
ITSM: 60% VRRM
1000
1
3 5 10
Duration of surge (ms)
1
5 10
50 100
Duration of surge (cycles @ 50Hz)
1.00E+05
Provisional Rating Report. Types K0885N#440 to K0885N#520 Issue 1
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K0885NC480 (IXYS)
Medium Voltage Thyristor

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Outline Drawing & Ordering Information
Medium Voltage Thyristor Types K0885N#440 to K0885N#520
101A357
101A363
Outline option NC
Outline option NG
ORDERING INFORMATION
(Please quote 10 digit code as below)
K0885
N#
0
Fixed
type code
Outline code
NC=27.7mm height
NG=35.5mm height
Voltage code
VDRM/100
44-52
Order code: K0885NC520 – 5200V VDRM, VRRM, 26mm clamp height capsule.
Fixed turn-off
time code
IXYS Semiconductor GmbH
Edisonstraße 15
D-68623 Lampertheim
Tel: +49 6206 503-0
Fax: +49 6206 503-627
E-mail: marcom@ixys.de
WESTCODE
An IXYS Company
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
IXYS Corporation
1590 Buckeye Drive
Milpitas CA 95035 7418 USA
Tel: +1 (408) 547 9000
Fax: +1 (408) 496 0670
E-mail: sales@ixys.net
www.westcode.com
www.ixys.com
IXYS Long Beach
2500 Mira Mar Avenue
Long Beach CA 90815 USA
Tel: +1 (562) 296-6584
Fax: +1 (562) 296-6585
E-mail: WSI.sales@westcode.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 Westcode Semiconductors Ltd.
In the interest of product improvement, Westcode 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.
© Westcode Semiconductors Ltd.
Provisional Rating Report. Types K0885N#440 to K0885N#520 Issue 1
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March, 2009




K0885NC480.pdf
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