Owner manual

Powerex, Inc., 173 Pavilion Lane, Youngwood, Pennsylvania 15697-1800 [phone] Fast Recovery Diode Module
www.pwrx.com
Revision Date: 03/23/2009
QRS1220T30
Maximum Transient Thermal Impedance
.00000
.02000
.04000
.06000
.08000
.10000
.12000
.14000
.16000
.18000
.20000
.00010 .00100 .01000 .10000 1.00000 10.00000 100.00000
Time - t - Seconds
Thermal Impedance - Rjc - °C/W
(Junction to Case)
0
180
360
CONDUCTION ANGLE
Maximum On-State Power Dissipation
15°
30°
60°
90°
120°
180°
0
50
100
150
200
250
300
350
400
450
500
0 20406080100120
Average On-State Current - It(av) - Amperes
Maximum Power Dissipation Per SCR - Watts
(Sinusoidal Waveform)
0
180
360
CONDUCTION ANGLE
Maximum Allowable Case Temperature
120°
90°
60°
30°
15°
180°
30
50
70
90
110
130
150
0 20406080100120
Average On-State Current - It(av) - Amperes
Max. Case Temperature - Tcase - °C
(Sinusoidal Waveform)
0
180
360
CONDUCTION ANGLE
Maximum On-State Power Dissipation
90°
60°
30°
120°
180°
270°
15°
360°
0
100
200
300
400
500
600
0 20 40 60 80 100 120 140 160 180 200
Average On-State Current - It(av) - Amperes
Maximum Power Dissipation Per SCR - Watts
(Rectangular Waveform)
0
180
360
CONDUCTION ANGLE
Maximum Allowable Case Temperature
270°
180°
120°
90°60°
30°
15°
360°C
10
30
50
70
90
110
130
150
0 20 40 60 80 100 120 140 160 180 200
Average On-State Current - It(av) - Amperes
Max. Case Temperature - Tcase - °C
(Rectangular Waveform)
Maximum On-State Forward Voltage Drop
0.00
1.00
2.00
3.00
4.00
5.00
6.00
7.00
8.00
9.00
10.00
10.0 100.0 1000.0 10000.0
Instantaneous On-State Current - Itm - Amperes
On-State Voltage - Vtm - Volts
( Tj = 150 °C )