ND471425 Powerex Inc, ND471425 Datasheet - Page 5

• Manufacturer Part Number: ND471425
• Description: SCR MOD ISO DUAL 1400V 250A
• Manufacturer: Powerex Inc

Specifications of ND471425

• Structure: Series Connection - SCR/Diode
• Number Of Scrs, Diodes: 1 SCR, 1 Diode
• Voltage - Off State: 1400V
• Current - Gate Trigger (igt) (max): 150mA
• Current - On State (it (av)) (max): 250A
• Current - On State (it (rms)) (max): 393A
• Current - Non Rep. Surge 50, 60hz (itsm): 8800A @ 60Hz
• Mounting Type: Chassis Mount
• Package / Case: POW-R-BLOK™ Module
• Peak Repetitive Off-state Voltage, Vdrm: 1.4kV
• Gate Trigger Current Max, Igt: 150mA
• Current It Av: 250A
• On State Rms Current It(rms): 393A
• Peak Non Rep Surge Current Itsm 50hz: 8.8kA
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Current - Hold (ih) (max): -
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant

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Powerex, Inc., 173 Pavilion Lane, Youngwood, Pennsylvania 15697 [phone]
www.pwrx.com
Six-Pulse Bridge Circuit Total Power Dissipation & Maximum Rated Output Current With Sink to Ambient
Resistance of Heatsink as a Parameter.
0.06
0.12
0.15
0.30
0.08
0.10
0.20
0.025
0.03
0.04
0.05
0.02
30
Powerex ND47--25 Pow-R-Blok 6-Pulse Bridge
0.015
0.01
50
Ambient Temperature (C)
70
Rth S-A (C/W)
90
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130
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0
Total Power Dissipation vs Maximum Rated Output Current
100
200
Maximum Bridge Output Current (A)
300
POW-R-BLOK
Dual SCR/Diode Isolated Module
250 Amperes / Up to 1600 Volts
400
ND47__25
500
Revision Date: 05/17/2010
TM
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