Date:- 21 Jun, 2001
WESTCODE
Distributed Gate Thyristor
Types R0577YS10x to R0577YS12x
Absolute Maximum Ratings
VOLTAGE RATINGS
V
DRM
V
DSM
V
RRM
V
RSM
I
T(AV)
I
T(AV)
I
T(AV)
I
T(RMS)
I
T(d.c.)
I
TSM
I
TSM2
I2tI
I2t
diT/dt
V
RGM
P
G(AV)
P
GM
V
GD
T
HS
T
stg
Repetitive peak off-state voltage, (note 1) 1000-1200 V
Non-repetitive peak off-state voltage, (note 1) 1000-1200 V
Repetitive peak reverse voltage, (note 1) 1000-1200 V
Non-repetitive peak reverse voltage, (note 1) 1100-1300 V
OTHER RATINGS
Mean on-state current, T
Mean on-state current. T
Mean on-state current. T
Nominal RMS on-state current, T
D.C. on-state current, T
Peak non-repetitive surge tp=10ms, VRM=0.6V
Peak non-repetitive surge tp=10ms, V
2
t capacity for fusing tp=10ms, VRM=0.6V
2
t capacity for fusing tp=10ms, V
I
Maximum rate of rise of on-state current (repetitive), (Note 6) 1000 A/µs
Maximum rate of rise of on-state current (non-repetitive), (Note 6) 1500 A/µs
Peak reverse gate voltage 5 V
Mean forward gate power 2 W
Peak forward gate power 30 W
Non-trigger gate voltage, (Note 7) 0.25 V
Operating temperature range -40 to +125 °C
Storage temperature range -40 to +150 °C
=55°C, (note 2) 577 A
sink
=85°C, (note 2) 379 A
sink
=85°C, (note 3) 216 A
sink
=25°C, (note 2) 1169 A
sink
=25°C, (note 4) 712 A
sink
, (note 5) 6.0 kA
RRM
≤
10V, (note 5)
RM
, (note 5) 180 kA2s
RRM
≤
10V, (note 5)
RM
Data Sheet Issue:- 1
MAXIMUM
LIMITS
MAXIMUM
LIMITS
6.6 kA
218 kA2s
UNITS
UNITS
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% V
7)
Rated V
Data Sheet. Types R0577YS10x to R0577YS12x Issue 1 Page 1 of 12 June, 2001
DRM
, IFG=2A, t
DRM
.
≤
0.5µs, T
r
case
=125°C.
WESTCODE
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Characteristics
R0577YS10x to R0577YS12x
PARAMETER MIN. TYP. MAX. TEST CONDITIOYS
V
V
r
s
dv/dt Critical rate of rise of off-state voltage 200 - - VD=80% V
I
DRM
I
RRM
V
I
GT
I
H
t
gt
t
gd
Q
Q
I
rr
t
rr
t
q
R
Maximum peak on-state voltage - - 2.15 ITM=1000A V
TM
Threshold voltage - - 1.51 V
0
Slope resistance - - 0.64
Peak off-state current - - 60 Rated V
Peak reverse current - - 60 Rated V
Gate trigger voltage - - 3.0 V
GT
T
Gate trigger current - - 200
DRM
RRM
=25°C VD=10V, IT=2A
j
Holding current - - 1000 Tj=25°C mA
Gate-controlled turn-on delay time - 0.6 1.0
Turn-on time - 1.2 2.0
Recovered charge - 150 - µC
rr
Recovered charge, 50% Chord - 85 100 µC
ra
Reverse recovery current - 60 - A
=67% V
V
D
I
=2A, tr=0.5µs, Tj=25°C
FG
I
=550A, tp=500µs, di/dt=40A/µs, Vr=50V
TM
Reverse recovery time - 2.5 -
ITM=550A, tp=500µs, di/dt=40A/µs, Vr=50V,
V
=80%V
dr
ITM=550A, tp=500µs, di/dt=40A/µs, Vr=50V,
V
=80%V
dr
Turn-off time (note 2)
Thermal resistance, junction to heatsink
th(j-hs)
--23
20 - 25
- - 0.05 Double side cooled K/W
- - 0.10 Single side cooled K/W
(Note 1)
, linear ramp
DRM
, IT=1000A, di/dt=60A/µs,
DRM
, dVdr/dt=20V/µs
DRM
, dVdr/dt=200V/µs
DRM
UNITS
m
V/µs
mA
mA
mA
µs
µs
F Mounting force 5.3 - 10.0 kN
W
Weight - 90 - g
t
Ω
Notes:-
Unless otherwise indicated Tj=125°C.
1)
The required tq (specified with dVdr/dt=200V/µs) is repres ented by an ‘x’ in the device part number. See ordering information
2)
for details of t
codes.
q
Introduction
The R0577 series of Distributed Gate Thyristors have fast switching characteristics provided by a
regenerative, interdigitated gate. They also exhibit low switching losses. T hey are therefore suitable f or
medium frequency applications.
Data Sheet. Types R0577YS10x to R0577YS12x Issue 1 Page 2 of 12 June, 2001
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Notes on Ratings and Characteristics
1.0 Voltage Grade Table
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R0577YS10x to R0577YS12x
V
Voltage Grade
10 1000 1100 700
12 1200 1300 810
2.0 extension of Voltage Grades This report is applicable to other and higher voltage grades when supply has been agreed by
Sales/Production.
3.0 extension of Turn-off Time This Report is applicable to other tq/re-applied dv/dt combinations when supply has been agreed by
Sales/Production.
4.0 Repetitive dv/dt Higher dv/dt selections are available up to 1000V/µs on request.
5.0 De-rating Factor A blocking voltage de-rating factor of 0.13%/°C is applicable to this device for Tj below 25°C.
6.0 Rate of rise of on-state current The maxim um un-primed rate of rise of on-s tate current must not exceed 1500A/µs at any time dur ing
turn-on on a non-repetitive basis. For repetitive per formanc e, the on-state r ate of r ise of c urrent m ust not
exceed 1000A/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.
DRM VDSM
V
RRM
V
RSM
V
V
R
DC V
7.0 Square wave ratings These ratings are given for load component rate of rise of forward current of 100 and 500A/µs.
8.0 Duty cycle lines The 100% duty cycle is represented on all the ratings by a straight line. Other duties can be included as
parallel to the first.
9.0 Maximum Operating Frequency The maximum operating frequenc y is set by the on-state duty, the time required for the thyristor to turn off
) and for the off-state voltage to reach full value (tv), i.e.
(t
q
1
=
max
f
++
vqpulse
ttt
Data Sheet. Types R0577YS10x to R0577YS12x Issue 1 Page 3 of 12 June, 2001
WESTCODE
(
)
(
)
10.0 On-State Energy per Pulse Characteristics These curves enable rapid estim ation of device dissipation to be obtained for conditions not covered by
the frequency ratings.
Then the average dissipation will be:
Positive development in power electronics
be the Energy per pulse for a given current and pulse width, in joules
Let E
p
Let R
and T
be the steady-state d.c. thermal resistance (junction to sink)
th(J-Hs)
be the heat sink temperature.
SINK
R0577YS10x to R0577YS12x
11.0 Reverse recovery ratings (i) Qra is based on 50% Irm chord as shown in Fig. 1 below.
is based on a 150µs integration time.
(ii) Q
rr
i.e.
=
.)(max
150
∫
0
µ
s
rrrr
125
Fig. 1
.
dtiQ
⋅−=⋅=
RWT and fEW
()
−
HsJthAVSINKPAV
1
t
(iii)
12.0 Reverse Recovery Loss
12.1 Determination by Measurement
From waveforms of recovery current obtained from a high frequency shunt (see Note 1, Page 5) 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 heat sink temperature c an
then be evaluated from:
where k = 0.227 (°C/W)/s
E = Area under reverse loss waveform per pulse in joules (W.s.)
f = rated frequency Hz at the original heat sink temperature.
= d.c. thermal resistance (°C/W).
R
th(J-Hs)
Data Sheet. Types R0577YS10x to R0577YS12x Issue 1 Page 4 of 12 June, 2001
FactorK
)()(
=
2
t
⋅+⋅−=
RfkETT
()
−
HsJthoriginalSINKnewSINK
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The total dissipation is now given by:
12.2 Determination without Measurement
In circumstances where it is not possible to measure voltage and current conditions, or for design
purposes, the additional losses E in joules may be estimated as follows.
Let E be the value of energy per reverse cycle in joules (curves in Figure 9).
Let f be the operating frequency in Hz
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(original)(TOT)
R0577YS10x to R0577YS12x
⋅+=
fEWW
() ( )
Where T
T
SINK (original)
A suitable R-C snubber network is connected across the thyristor to restrict the transient revers e voltage
to a peak value (V
67% of Grade, the reverse loss m ay be approximated by a pro rata adjustment of the maximum value
obtained from the curves.
NOTE 1
This thyristor has a low reverse recovered c harge and peak reverse recovery current. W hen measuring
the charge care must be taken to ensure that:
R
- Reverse Recovery Loss by Measurement
(a) a.c. 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 m easuring os cilloscope
to avoid overloading the internal amplifiers by the relatively high amplitude forward current signal
(c) Measurement of reverse recovery waveform should be carried out with an appropriate critically
damped snubber, connected across diode anode to cathode. The form ula used for the c alculation
of this snubber is shown below:
2
4
SINK (new)
V
⋅=
⋅
C
S
is the required maximum heat sink temperature and
is the heat sink temperature given with the frequency ratings.
) of 67% of the maximum grade. If a diff erent grade is being used or Vrm is other than
rm
r
di
dt
()
⋅⋅−=
fRETT
thoriginalSINKnewSINK
Where: Vr= Commutating source voltage
C
= Snubber capacitance
S
R = Snubber resistance
13.0 Gate Drive
The recomm ended pulse gate drive is 30V, 15Ω with a short-circuit current rise time of not more than
0.5µs. This gate drive must be applied when using the full di/dt capability of the device.
The duration of pulse may need to be configured with respect to the application but should be no shorter
than 20µs, otherwise an increase in pulse current could be needed to supply the resulting increase in
charge to trigger.
Data Sheet. Types R0577YS10x to R0577YS12x Issue 1 Page 5 of 12 June, 2001
WESTCODE
p
p
14.0 Computer Modelling Parameters
14.1 Calculating VT using ABCD Coefficients
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R0577YS10x to R0577YS12x
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
The constants, derived by curve fitting sof tware, are given in this report for hot and cold characteristics
where possible. The resulting values f or V
which is limited to that plotted.
14.2 D.C. Thermal Impedance Calculation
given below:
T
vs VT, on page 7 is represented in two ways;
T
and rs tangent used for rating purposes and
o
()
ln
agree with the true device characteristic over a curr ent range,
T
25°C Coefficients 125°C Coefficients
A 2.201514 1.317665
B 0.08313135 0.02417939
C 7.0155×10
D -0.0251939 0.00217881
-4
=
∑
=
p
5.9821×10
−
np
1
pt
1
t
τ
p
−⋅=
err
⋅+⋅+⋅+=
in
T
IDICIBAV
TTTT
-4
Where p = 1 to n, n is the number of terms in the series.
t = Duration of heating pulse in seconds.
= Thermal resistance at time t.
r
t
r
= Amplitude of pth term.
τ
= Time Constant of rth term.
D.C. Double Side Cooled
Term1234
r
p
τ
p
Term12345
r
p
τ
p
0.0200056 9.923438×10
0.3391689 0.1269073 0.03562131 2.562946×10
D.C. Single Side Cooled
0.06157697 8.431182×10
2.136132 1.212898 0.1512408 0.04244 2.889595×10
-3
-3
0.01031315 0.01613806 5.181088×10
0.01433715 4.284403×10
-3
-3
-3
-3
Data Sheet. Types R0577YS10x to R0577YS12x Issue 1 Page 6 of 12 June, 2001
WESTCODE
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R0577YS10x to R0577YS12x
Curves
Figure 1 - On-state characteristics of Limit device Figure 2 - Transient thermal impedance
10000
1
SSC 0.1K/W
DSC 0.05K/W
R0577YS10x-12x
Issue 1
(A)
T
Tj = 125°C
1000
Instantaneous on-state current - I
100
012345
Instantaneous on-state voltage - V
Tj = 25°C
R0577YS10x-12x
Issue 1
(V)
T
0.1
(K/W)
(th)t
0.01
Transient Thermal Impedance - Z
0.001
0.0001
0.0001 0.001 0.01 0.1 1 10 100
Time (s)
Figure 3 - Gate characteristics - Trigger limits Figure 4 - Gate characteristics - Power curves
(V)
GT
20
18
16
14
12
R0577YS10x-12x
Issue 1
Tj=25°C
Max VG dc
8
R0577YS10x-12x
Tj=25°C
7
6
(V)
5
GT
Issue 1
Max VG dc
4
3
Gate Trigger Voltage - V
IGT, V
GT
10
8
Gate Trigger Voltage - V
PG Max 30W dc
6
2
4
125°C
25°C
-10°C
-40°C
1
Min VG dc
IGD, V
0
GD
0 0.1 0.2 0.3 0.4 0.5 0.6
Gate Trigger Current - I
Data Sheet. Types R0577YS10x to R0577YS12x Issue 1 Page 7 of 12 June, 2001
(A)
GT
2
0
0246810
PG 2W dc
Gate Trigger Current - I
GT
Min VG dc
(A)
WESTCODE
Positive development in power electronics
R0577YS10x to R0577YS12x
Figure 5 - Total recovered charge, Q
10000
(µC)
rr
1000
Total recovered charge - Q
R0577YS10x-12x
100
10 100 1000
Commutation rate - di/dt (A/µs)
rr
Issue 1
2000A
1500A
1000A
500A
Tj = 125°C
Figure 6 - Recovered charge, Qra (50% chord)
1000
2000A
1500A
1000A
500A
(µC)
ra
100
Recovered charge, 50% chord - Q
Tj = 125°C
R0577YS10x-12x
10
10 100 1000
Commutation r ate - di/dt (A/µ s)
Issue 1
Figure 7 - Peak reverse recovery current, I
1000
2000A
1500A
1000A
500A
(A)
rm
100
Reverse recovery current - I
Tj = 125°C
R0577YS10x-12x
10
10 100 1000
Commutation r ate - di/dt (A/µ s)
Issue 1
rm
Figure 8 - Maximum recovery time, trr (50% chord)
10
(µs)
rr
2000A
1500A
1000A
500A
Reverse recovery time, 50% chord - t
Tj = 125°C
R0577YS10x-12x
Issue 1
1
10 100 1000
Commutation r ate - di/dt (A/µ s)
Data Sheet. Types R0577YS10x to R0577YS12x Issue 1 Page 8 of 12 June, 2001
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R0577YS10x to R0577YS12x
Figure 9 - Reverse recovery energy per pulse Figure 10 - Sine wave energy per pulse
0.1
1.00E+02
R0577YS10x-12x
Issue 1
Tj=125°C
2000A
1000A
(J)
r
750A
400A
Energy per pulse - E
Vrm = 67% V
R0577YS10x-12x
0.01
10 100 1000
Commutation rate - di/dt (A/µs)
Snubber
0.22µF, 5
Tj = 125°C
Issue 1
Ω
RRM
1.00E+01
3kA
1.00E+00
Energy per pulse (J)
1.00E-01
1.00E-02
2kA
1.5kA
1kA
500A
1.00E-05 1.00E-04 1.00E-03 1.00E-02
Pulse width (s)
Figure 11 - Sine wave frequency ratings Figure 12 - Sine wave frequency ratings
1.00E+05
1.00E+04
500A
R0577YS10x-12x
100% Duty Cycle
Issue 1
THs=55°C
1.00E+05
1.00E+04
100% Duty Cycle
500A
1kA
1.5kA
1.00E+03
Frequency (Hz)
1.00E+02
1.00E+01
Data Sheet. Types R0577YS10x to R0577YS12x Issue 1 Page 9 of 12 June, 2001
2kA
3kA
1.00E-05 1.00E-04 1.00E-03 1.00E-02
Pulse Width (s)
1.00E+03
Frequency (Hz)
1.00E+02
1.00E+01
1.00E+00
1kA
1.5kA
2kA
3kA
THs=85°C
R0577YS10x-12x
Issue 1
1.00E-05 1.00E-04 1.00E-03 1.00E-02
Pulse width (s)
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R0577YS10x to R0577YS12x
Figure 13 - Square wave frequency ratings Figure 14 - Square wave frequency ratings
1.00E+05
1.00E+04
500A
100% Duty Cycle
1kA
1.00E+05
1.00E+04
100% Duty Cycle
500A
1.5kA
1.00E+03
Frequency (Hz)
1.00E+02
1.00E+01
1.00E+00
2kA
3kA
THs=55°C
di/dt=100A/µs
R0577YS10x-12x
Issue 1
1.00E-05 1.00E-04 1.00E-03 1.00E-02
Pulse width (s)
1.00E+03
Frequency (Hz)
1.00E+02
1.00E+01
1.00E+00
1kA
1.5kA
2kA
3kA
THs=55°C
di/dt=500A/µs
R0577YS10x-12x
Issue 1
1.00E-05 1.00E-04 1.00E-03 1.00E-02
Pulse width (s)
Figure 15 - Square wave frequency ratings Figure 16 - Square wave frequency ratings
1.00E+05
1.00E+04
500A
100% Duty Cycle
1.00E+05
100% Duty Cycle
1.00E+04
500A
1kA
1.00E+03
Frequency (Hz)
1.00E+02
1.00E+01
Data Sheet. Types R0577YS10x to R0577YS12x Issue 1 Page 10 of 12 June, 2001
1.5kA
2kA
3kA
THs=85°C
di/dt=100A/µs
R0577YS10x-12x
Issue 1
1.00E-05 1.00E-04 1.00E-03 1.00E-02
Pulse width (s)
1.00E+03
Frequency (Hz)
1.00E+02
1.00E+01
1.00E+00
1kA
1.5kA
2kA
3kA
THs=85°C
di/dt=500A/µs
R0577YS10x-12x
Issue 1
1.00E-05 1.00E-04 1.00E-03 1.00E-02
Pulse width (s)
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Positive development in power electronics
R0577YS10x to R0577YS12x
Figure 17 - Square wave energy per pulse Figure 18 - Square wave energy per pulse
1.00E+03
1.00E+02
R0577YS10x-12x
Issue 1
di/dt=100A/µs
Tj=125°C
1.00E+03
1.00E+02
R0577YS10x-12x
Issue 1
di/dt=500A/µs
Tj=125°C
1.00E+01
3kA
1.00E+00
Energy per pulse (J)
1.00E-01
1.00E-02
2kA
1.5kA
1kA
500A
1.00E-05 1.00E-04 1.00E-03 1.00E-02
Pulse width (s)
Figure 19 - Maximum surge and I2t Ratings
Gate may temporarily lose control of conduction angle
100000
R0577YS10x-12x
Issue 1
(A)
TSM
Tj (initial) = 125°C
3kA
2kA
1.00E+01
Energy per pulse (J)
1.00E+00
1.00E-01
1.00E-05 1.00E-04 1.00E-03 1.00E-02
Pulse width (s)
1.5kA
1kA
500A
1.00E+07
≤
: V
RRM
RRM
≤
10V
RRM
10V
2
2
1.00E+06
10000
I2t: V
I2t: 60% V
I
TSM
Total peak half sine surge current - I
I
: 60% V
1000
13510 1
TSM
5
10
50
100
RRM
1.00E+05
Duration of surge (ms) Duration of surge (cycles @ 50Hz)
Data Sheet. Types R0577YS10x to R0577YS12x Issue 1 Page 11 of 12 June, 2001
s)
t (A
Maximum I
WESTCODE
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Outline Drawing & Ordering Information
R0577YS10x to R0577YS12x
ORDERING INFORMATION
R0577 YS
Fixed
Type Code
Typical order code: R0577YS12D – 1200V V
Outline Code
Fixed
, 20µs tq, 15.1mm clamp height capsule.
DRM
(Please quote 10 digit code as bel ow)
♦ ♦
♦ ♦ ♦♦♦♦
♦ ♦♦ ♦
Off-state Voltage Code
V
DRM
/100
10-12
Code
t
q
D=20µs, E=25µs
UK: Westcode Semiconductors Ltd.
P.O. Box 57, Chippenham, Wiltshire, England. SN15 1JL.
Tel: +44 (0) 1249 444524 Fax: +44 (0) 1249 659448
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E-Mail: WSL.sales@westcode.com
USA: Westcode Semiconductors Inc.
3270 Cherry Avenue, Long Beach, California 90807
Tel: 562 595 6971 Fax: 562 595 8182
Internet: http://www.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 or letter/digit/letter combination) added to their generic code are not necessarily subject to the
conditions and limits contained in this report.
Data Sheet. Types R0577YS10x to R0577YS12x Issue 1 Page 12 of 12 June, 2001
E-Mail: WSI.sales@westcode.com
© Westcode Semiconductors Ltd.
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