C&H Technology T7H8_65 - Manual (Page 5)

Powerex, Inc., 173 Pavilion Lane, Youngwood, Pennsylvania 15697 (724) 925-7272 Phase Control SCR
www.pwrx.com
650 Amperes Average
1800 Volts
Revision Date: 08/25/2008
T7H8
650A
.000
.005
.010
.015
.020
.025
.030
.035
.040
.045
0.0001 0.001 0.01 0.1 1
T
h
e
rm
a
l Imp
e
d
a
nc
e
-
R
jc
-
°C
/W
Time - t - Seconds
Maximum Transient Thermal Impedance
(Junction to Case)
0
1
2
3
4
5
10 100 1000 10000
O
n-S
ta
te
V
ol
ta
ge
-
Vtm
-
Vo
lts
Instantaneous On-State Current - Itm - Amperes
Maximum On-State Forward Voltage Drop
( Tj = 125 C )
15°
30°
60°
90°
120°
180°
0
200
400
600
800
1000
1200
1400
1600
0 100 200 300 400 500 600 700
M
axi
mu
m
P
ow
er
D
iss
ip
at
io
n P
er
S
C
R
-
W
at
ts
Average On-State Current - It(av) - Amperes
Maximum On-State Power Dissipation
(Sinusoidal Waveform)
15°
30°
60° 90°
120° 180°
50
60
70
80
90
100
110
120
130
0 100 200 300 400 500 600 700
M
ax.
C
as
e T
emp
er
at
ur
e -
Tcas
e -
°C
Average On-State Current - It(av) - Amperes
Maximum Allowable Case Temperature
(Sinusoidal Waveform)
15°
30°
60°
90°
120°
180°
270°
360°
0
200
400
600
800
1000
1200
1400
1600
1800
2000
0 200 400 600 800 1000 1200
M
axi
mu
m
P
ow
er
D
iss
ip
at
io
n P
er
S
C
R
-
W
at
ts
Average On-State Current - It(av) - Amperes
Maximum On-State Power Dissipation
(Rectangular Waveform)
15°
30°
60°
90°
120°
180°
270°
360°C
40
50
60
70
80
90
100
110
120
130
0 200 400 600 800 1000 1200
M
ax.
C
as
e T
emp
er
at
ur
e -
Tcas
e -
°C
Average On-State Current - It(av) - Amperes
Maximum Allowable Case Temperature
(Rectangular Waveform)