Westcode Semiconductors R3968F#20x, R3968F#28x Data Sheet
Date:- 17 Oct 2007
WESTCODE
An IXYS Company
Provisional Data
Distributed Gate Thyristor
Types R3968F#20x to R3968F#28x
Development Type Number: RX075F#20x-28x
Absolute Maximum Ratings
VOLTAGE RATINGS
V
DRM
V
DSM
V
RRM
V
RSM
I
T(AV)M
I
T(AV)M
I
T(AV)M
I
T(RMS)
I
T(d.c.)
I
TSM
I
TSM2
I2tI
I2t
(di/dt)crCritical rate of rise of on-state current (note 6)
V
RGM
P
G(AV)
P
GM
T
j op
T
stg
Repetitive peak off-state voltage, (note 1) 2000-2800 V
Non-repetitive peak off-state voltage, (note 1) 2000-2800 V
Repetitive peak reverse voltage, (note 1) 2000-2800 V
Non-repetitive peak reverse voltage, (note 1) 2100-2900 V
OTHER RATINGS
Maximum average on-state current, T
Maximum average on-state current. T
Maximum average on-state current. T
Nominal RMS on-state current, T
D.C. on-state current, T
Peak non-repetitive surge tp=10ms, Vrm=60%V
Peak non-repetitive surge tp=10ms, Vrm≤10V, (note 5)
2
t capacity for fusing tp=10ms, Vrm=60%V
I2t capacity for fusing tp=10ms, Vrm≤10V, (note 5)
Peak reverse gate voltage 5 V
Mean forward gate power 4 W
Peak forward gate power 50 W
Operating temperature range -40 to +125 °C
Storage temperature range -40 to +150 °C
=25°C, (note 4) 6712 A
sink
=55°C, (note 2) 4001 A
sink
=85°C, (note 2) 2691 A
sink
=85°C, (note 3) 1582 A
sink
=25°C, (note 2) 7988 A
sink
, (note 5) 66.0 kA
RRM
, (note 5) 21.78×10
RRM
Non-repetitive 1000
Repetitive (50Hz, 60s) 500
Continuous (50Hz) 250
Data Sheet Issue:- 3
MAXIMUM
LIMITS
MAXIMUM
LIMITS
72.5 kA
6
26.28×10
6
UNITS
UNITS
A2s
A2s
A/µs
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, 125°C T
6) V
=67% V
D
Provisional Data Sheet. Types R3968F#20x to R3968F#28x Issue 3 Page 1 of 12 October, 2007
, IFG=2A, tr≤0.5µs, T
DRM
initial.
j
case
=125°C.
below 25°C.
j
WESTCODE
WESTCODE An IXYS Company Distributed Gate Types R3968F#20x to R3968F#28x
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Characteristics
PARAMETER MIN. TYP. MAX. TEST CONDITIONS (Note 1) UNITS
V
TM
V
T0
r
T
(dv/dt)crCritical rate of rise of off-state voltage 200 - - VD=80% V
I
DRM
I
RRM
V
GT
I
GT
V
GD
I
H
t
gd
t
gt
Q
rr
Q
ra
I
rm
t
rr
t
q
R
thJK
Maximum peak on-state voltage - - 2.20 ITM=6000A V
Threshold voltage - - 1.453 V
Slope resistance - - 0.125
, Linear ramp, Gate o/c
DRM
Peak off-state current - - 200 Rated V
Peak reverse current - - 200 Rated V
Gate trigger voltage - - 3.0 V
T
Gate trigger current - - 600
Gate non-trigger voltage - - 0.25 Rated V
DRM
RRM
=25°C VD=10V, IT=3A
j
DRM
mΩ
V/µs
mA
mA
mA
V
Holding current - - 1000 Tj=25°C mA
Gate controlled turn-on delay time - 0.8 2.0
Turn-on time - 2.0 3.0
=67% V
V
D
I
=2A, tr=0.5µs, Tj=25°C
FG
, ITM=4000A, di/dt=60A/µs,
DRM
µs
Recovered charge - 2600 3200 µC
Recovered charge, 50% Chord - 1700 - µC
Reverse recovery current - 360 - A
Reverse recovery time - 9.5 -
50 - 70
Range of maximum turn-off time (note 2)
60 - 100
Thermal resistance, junction to heatsink
- - 0.0065 Double side cooled K/W
I
=4000A, tp=2000µs, di/dt=60A/µs,
TM
V
=100V
r
ITM=4000A, tp=2000µs, di/dt=60A/µs,
V
=100V, Vdr=67%V
r
, dVdr/dt=20V/µs
DRM
ITM=4000A, tp=2000µs, di/dt=60A/µs,
V
=100V, Vdr=67%V
r
, dVdr/dt=200V/µs
DRM
µs
µs
- - 0.0130 Single side cooled K/W
F Mounting force 81 - 99 kN
W
Weight
t
- 2.8 - Outline options FC & FT
- 2.0 - Outline option FD
kg
Notes:-
1) Unless otherwise indicated T
2) The required maximum t
ordering information for details of t
=125°C.
j
(specified with dVdr/dt=200V/µs) is represented by the 10th character in the device part number. See
q
codes.
q
3) For other clamp forces, please consult factory
Notes on rupture rated packages.
This product is available with a non-rupture rated package.
For additional details on these products, please consult factory.
Provisional Data Sheet. Types R3968F#20x to R3968F#28x Issue 3 Page 2 of 12 October, 2007
WESTCODE
WESTCODE An IXYS Company Distributed Gate Types R3968F#20x to R3968F#28x
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Notes on Ratings and Characteristics
1.0 Voltage Grade Table
Voltage Grade
V
DRM VDSM VRRM
V
V
RSM
V
V
D
DC V
20 2000 2100 1250
22 2200 2300 1350
24 2400 2500 1450
26 2600 2700 1550
28 2800 2900 1650
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 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 1000A/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 500A/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 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.
I
GM
4A/µs
I
G
t
p1
The magnitude of IGM should be between five and ten times IGT, which is shown on page 2. Its duration
) should be 20µs or sufficient to allow the anode current to reach ten times IL, whichever is greater.
(t
p1
Otherwise, an increase in pulse current could be needed to supply the necessary charge to trigger. The
‘back-porch’ current I
magnitude in the order of 1.5 times I
should remain flowing for the same duration as the anode current and have a
G
GT
.
Provisional Data Sheet. Types R3968F#20x to R3968F#28x Issue 3 Page 3 of 12 October, 2007
WESTCODE
WESTCODE An IXYS Company Distributed Gate Types R3968F#20x to R3968F#28x
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9.0 Frequency Ratings
The curves illustrated in figures 10 to 18 are for guidance only and are superseded by the maximum
ratings shown on page 1.
10.0 Square wave ratings
These ratings are given for load component rate of rise of forward current of 100 and 500 A/µs.
11.0 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.
12.0 Maximum Operating Frequency
The maximum operating frequency 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
f
13.0 On-State Energy per Pulse Characteristics
These curves enable rapid estimation of device dissipation to be obtained for conditions not covered by
the frequency ratings.
Then the average dissipation will be:
14.0 Reverse recovery ratings
(i) Qra is based on 50% Irm chord as shown in Fig. 1
=
vqpulse ttt
++
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)
thJK
be the heat sink temperature.
K
.)(max
()
RWTfEW ⋅−=⋅= 125 and
thJKAVKPAV
max
1
Fig. 1
(ii) Q
is based on a 150µs integration time i.e.
rr
=
(iii)
FactorK =
Provisional Data Sheet. Types R3968F#20x to R3968F#28x Issue 3 Page 4 of 12 October, 2007
150
s
µ
dtiQ
.
rrrr
∫
0
t
1
t
2
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