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Date:- 15 Feb, 2001
Data Sheet Issue: 1
Phase Control Thyristor
Types N0992YS020 to N0992YS060
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
200-600
200-600
200-600
300-700
UNITS
V
V
V
V
IT(AV)
IT(AV)
IT(AV)
IT(RMS)
IT(d.c.)
ITSM
ITSM2
I2t
I2t
diT/dt
VRGM
PG(AV)
PGM
VGD
THS
Tstg
OTHER RATINGS
Mean on-state current, Tsink=55°C, (note 2)
Mean on-state current. Tsink=85°C, (note 2)
Mean 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=0.6VRRM, (note 5)
Peak non-repetitive surge tp=10ms, VRM10V, (note 5)
I2t capacity for fusing tp=10ms, VRM=0.6VRRM, (note 5)
I2t capacity for fusing tp=10ms, VRM10V, (note 5)
Maximum rate of rise of on-state current (repetitive), (Note 6)
Maximum rate of rise of on-state current (non-repetitive), (Note 6)
Peak reverse gate voltage
Mean forward gate power
Peak forward gate power
Non-trigger gate voltage, (Note 7)
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, ITM=1000A, IFG=2A, tr0.5µs, Tcase=125°C.
7) Rated VDRM.
MAXIMUM
LIMITS
992
660
382
1995
1646
11000
12100
605×103
732×103
500
1000
5
2
30
0.25
-40 to +125
-40 to +150
UNITS
A
A
A
A
A
A
A
A2s
A2s
A/µs
A/µs
V
W
W
V
°C
°C
Data Sheet Issue 1. Types N0992YS020 to N0992YS060.
Page 1 of 9
February, 2001

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Characteristics
N0992YS020 to N0992YS060
PARAMETER
MIN.
VTM Maximum peak on-state voltage
V0 Threshold voltage
rS Slope resistance
dv/dt
Critical rate of rise of off-state
voltage
IDRM Peak off-state current
IRRM Peak reverse current
VGT Gate trigger voltage
IGT Gate trigger current
IH Holding current
Rθ
Thermal resistance, junction to
heatsink
F Mounting force
Wt Weight
-
-
-
1000
-
-
-
-
-
-
-
5.3
-
TYP. MAX. TEST CONDITIONS (Note 1)
- 1.19 ITM=1550A
- 0.82
- 0.24
- - VD=80% VDRM
- 40 Rated VDRM
- 40 Rated VRRM
- 3.0 Tj=25°C
- 150 Tj=25°C.
- 500 Tj=25°C
VD=10V, IT=3A
- 0.05 Double side cooled
- 0.1 Single side cooled
- 10
90 -
Notes:-
1) Unless otherwise indicated Tj=125°C.
UNITS
V
V
m
V/µs
mA
mA
V
mA
mA
K/W
K/W
kN
g
Data Sheet Issue 1. Types N0992YS020 to N0992YS060.
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Notes on Ratings and Characteristics
1.0 Voltage Grade Table
N0992YS020 to N0992YS060
Voltage Grade 'H'
02
03
04
05
06
VDRM VDSM VRRM
V
200
300
400
500
600
VRSM
V
300
400
500
600
700
VD VR
DC V
140
210
260
325
420
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 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 Computer Modelling Parameters
5.1 Device Dissipation Calculations
I AV = − V0 +
V0 2 + 4 ff 2 rs WAV
2 ff 2 rs
and:
WAV
=
T
Rth
T = Tj max THs
Where V0=0.82V,rs=0.24mΩ,
Rth = Supplementary thermal impedance, see table below.
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°
0.071
0.12
0.053
0.103
0.069
0.119
0.052
0.102
0.065
0.115
0.0516
0.1017
0.061
0.111
0.0513
0.1013
180°
0.057
0.107
0.0505
0.1005
270°
0.053
0.103
Conduction Angle
Square wave
Sine wave
Form Factors
30°
60°
90°
120°
180°
270°
3.46 2.45 2 1.73 1.41 1.15
3.98 2.78 2.22 1.88 1.57
d.c.
0.05
0.1
d.c.
1
Data Sheet Issue 1. Types N0992YS020 to N0992YS060.
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N0992YS020 to N0992YS060
5.2 Calculating VT using ABCD Coefficients
The on-state characteristic IT vs. VT, on page 7 is represented in two ways;
(i) the well established Vo 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.
125°C Coefficients
A -0.1754018
B 0.2037886
C 3.061740×10-4
D -0.01514247
5.3 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.
Term
Rp
τp
1
0.12000552
0.3391689
D.C. Double Side Cooled
2
0.01609235
3
8.812673×10-3
0.09405764
0.12195269
4
3.659765×10-3
2.196197×10-3
Term
Rp
τp
1
0.06157697
2.136132
D.C. Single Side Cooled
2
8.431182×10-3
3
0.01031315
1.212898
0.1512408
4
0.01613806
0.04244
5
5.181088×10-3
2.889595×10-3
Data Sheet Issue 1. Types N0992YS020 to N0992YS060.
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Curves
Figure 1 - On-state current vs. Power dissipation –
Double Side Cooled (Sine wave)
2500
N0992YS020 to N0992YS060
Figure 2 - On-state current vs. Heatsink temperature
- Double Side Cooled (Sine wave)
140
N0992YS020-060
Issue 1
2000
30° 60° 90° 120° 180°
120
100
1500
80
1000
60
500
N0992YS020-060
Issue 1
0
0 200 400 600 800 1000 1200 1400
Mean forward current (A) (Whole cycle averaged)
40
20 30° 60° 90° 120° 180°
0
0 200 400 600 800 1000 1200 1400
Mean forward current (A) (Whole cycle averaged)
Figure 3 - On-state current vs. Power dissipation –
Double Side Cooled (Square wave)
2500
Figure 4 - On-state current vs. Heatsink temperature
- Double Side Cooled (Square wave)
140
N0992YS020-060
Issue 1
2000
1500
d.c.
270°
180°
120°
90°
30° 60°
120
100
80
1000
60
500
N0992YS020-060
Issue 1
0
0
500
1000
1500
2000
Mean Forward Current (Amps) (Whole Cycle Averaged)
40
20 30° 60° 90° 120° 180° 270° d.c.
0
0
500
1000
1500
2000
Mean Forward Current (Amps) (Whole Cycle Averaged)
Data Sheet Issue 1. Types N0992YS020 to N0992YS060.
Page 5 of 9
February, 2001