Powerex, Inc., Hillis Street, Youngwood, Pennsylvania 15697 (724) 925-7272

POW-R-BLOK

TM

Dual SCR Isolated Module

90 Amperes / Up to 1800 Volts

Revision Date: 04/28/2009

CD43__90B

Absolute Maximum Ratings

Characteristics

Conditions

Symbol

Units

Repetitive Peak Forward and Reverse Blocking

Voltage

up to 1800

V

Non-Repetitive Peak Reverse Blocking Voltage

(t < 5 msec)

V

RMS Forward Current

150

A

Average Forward Current

95

A

Peak One Cycle Surge Current, Non-Repetitive

1570

1870

2100

1500

1785

2000

A

A

A

A

A

A

I

I

I

I

I

I

I

10,270

14,520

18,300

11,250

15,910

20,000

A

A

A

A

A

A

Maximum Rate-of-Rise of On-State Current,

(Non-Repetitive)

di/dt

150

A/µs

Operating Temperature

-40 to +125

°C

Storage Temperature

-40 to +125

°C

Max. Mounting Torque, M5 Mounting Screw on

Terminals

25

3

in.-Lb.

Nm

Max. Mounting Torque, Module to Heatsink

44

5

in.-Lb.

Nm

Module Weight, Typical

95

g

3.35

oz.

V Isolation @ 25C

Circuit to base, all terminals shorted together

50 – 60 Hz, 1 minute

50 – 60 Hz, 1 second

3000

3500

V

V

Information presented is based upon manufacturers testing and projected capabilities.

This information is subject to change without notice.

The manufacturer makes no claim as to the suitability of use, reliability, capability,

or future availability of this product.