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Date:- 8 March, 2013
Data Sheet Issue: A1
Advance Data
High Power Sonic FRD
Type E1200NC25C
Absolute Maximum Ratings
VOLTAGE RATINGS
VRRM
VRSM
VR(d.c.)
Repetitive peak reverse voltage, (note 1)
Non-repetitive peak reverse voltage, (note 1)
Maximum reverse d.c. voltage (note 1)
MAXIMUM
LIMITS
2500
2600
1250
UNITS
V
V
V
OTHER RATINGS (note 6)
IF(AV)M
IF(AV)M
IF(AV)M
IF(RMS)
IF(d.c.)
IFSM
IFSM2
I2t
I2t
Prr
Tj op
Tstg
Mean forward current, Tsink=55°C, (note 2)
Mean forward current. Tsink=100°C, (note 2)
Mean forward current. Tsink=100°C, (note 3)
Nominal RMS forward current, Tsink=25°C, (note 2)
D.C. forward 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)
Maximum non-repetitive peak reverse recovery power, (note 7)
Operating temperature range
Storage temperature range
MAXIMUM
LIMITS
1338
892
558
2483
2223
13.3
14.8
884×103
1.1×106
3.5
-40 to +150
-40 to +150
UNITS
A
A
A
A
A
kA
kA
A2s
A2s
MW
°C
°C
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, 150°C Tj initial.
6) Current (IF) ratings have been calculated using VT0 and rT (see page 2)
7) Tj=Tjop, IF=1200A, di/dt=1500A/µs Vr=1250V and Ls=200nH. Test circuit and sample waveform are shown in
diagram 1. IGBT type T1500TB25E used as switch.
Provisional Data Sheet. Type E1200NC25C Issue A1
Page 1 of 11
March, 2013

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Characteristics
High Power Sonic FRD Type E1200NC25C
PARAMETER
VFM Maximum peak forward voltage
VT0 Threshold voltage
rT Slope resistance
VT01 Threshold voltage
rT1 Slope resistance
VFRM Maximum forward recovery voltage
IRRM Peak reverse current
Qrr Recovered charge
Qra Recovered charge, 50% Chord
Irm Reverse recovery current
trr Reverse recovery time, 50% Chord
R
thJK
Thermal resistance, junction to heatsink
F Mounting force
Wt Weight
MIN.
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
19
TYP.
1.9
-
-
-
-
-
-
-
-
-
2000
1300
650
4
-
-
-
MAX. TEST CONDITIONS (Note 1)
2.1 IFM=1200A
3.0 IFM=2400A
1.305
Current range 1338 A - 4014A (Note 2)
0.678
1.264
Current range 1200A - 3600A
0.697
55 di/dt = 3000A/µs
125 di/dt = 3000A/µs, Tj=25°C
50 Rated VRRM
5 Rated VRRM, Tj=25°C
2300
- IFM=1200A, tp=1ms, di/dt=1500A/µs,
750 Vr=1250V, 50% Chord. (note 3)
-
0.02 Double side cooled
0.04 Single side cooled
26 (Note 4)
- 510 -
UNITS
V
V
m
V
m
V
mA
µC
µC
A
µs
K/W
K/W
kN
g
Notes:-
1) Unless otherwise indicated Tj=150°C.
2) VT0 and rT were used to calculate the current ratings illustrated on page one.
3) Figures 3-7 were compiled using these conditions. Test circuit and sample waveform are shown in
diagram 1.
4) For clamp forces outside these limits, please consult factory.
Provisional Data Sheet. Type E1200NC25C Issue A1
Page 2 of 11
March, 2013

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High Power Sonic FRD Type E1200NC25C
Additional information on Ratings and Characteristics
1.0 De-rating Factor
A blocking voltage de-rating factor of 0.13% per °C is applicable to this device for Tj below 25°C.
2.0 ABCD Constants
These constants (applicable only over current range of VF characteristic in Figure 1) are the coefficients
of the expression for the forward characteristic given below:
VF = A + B ln(I F ) + C I F + D I F
where IF = instantaneous forward current.
3.0 Reverse recovery ratings
Diagram 1 – Reverse Recovery test circuit and sample waveform
LS
IG
D.U.T
(i) Qra is based on 50% Irm chord as shown in Figure below.
(ii) Qrr is based on a 150µs integration time.
150 µs
I.e. Qrr = irr .dt
0
(iii)
K Factor = t1
t2
Provisional Data Sheet. Type E1200NC25C Issue A1
Page 3 of 11
March, 2013