C&H Technology ND42-21 User Manual

6121 Baker Road,
Suite 108
Minnetonka, MN 55345

www.chtechnology.com

Phone [phone]

Fax [phone]

1-800-274-4284

Thank you for downloading this document from C&H Technology, Inc.

Please contact the C&H Technology team for the following questions -

Technical

Application

Assembly

Availability

Pricing

Phone – 1-800-274-4284

E-Mail – [e-mail]

www.chtechnology.com - SPECIALISTS IN POWER ELECTRONIC COMPONENTS AND ASSEMBLIES - www.chtechnology.com

Powerex, Inc., 173 Pavilion Lane, Youngwood, Pennsylvania 15697 [phone] POW-R-BLOK
www.pwrx.com Dual SCR/Diode Isolated Module

210 Amperes / Up to 2000 Volts

OUTLINE DRAWING

M K

A

K1
G1

J

G

G2
K2

C
B

V

P

D

E

K1
G1

A

CONNECTION DIAGRAM

T - M8 THD. (3 TYP.)

K

A

Q

SCR 1

K

DIODE 2

U - DIA. (4 TYP.)

AK

S

W

R

N

W

AK

ND42__21

F

H

L

Dual SCR/Diode Isolated
POW-R-BLOK

210 Amperes / Up to 2000 Volts

TM

Module

ND42 Outline Dimensions

Dimension Inches Millimeters

A 4.57 116

B 3.66 93

C 3.15 80.0

D 2.17 55.1

E 2.06 52.3

F 2.07 52.0

G 1.97 50.0

H 1.90 48.3

J 1.50 38.1

K 1.38 35.0

L 1.26 32.0

M 1.122 28.5

N .71 18.0

P .57 14.5

Q .625 15.9

R .394 10.00

S .350 8.9

T M8 Metric M8

U .250 Dia. 6.35 Dia.

V .110 x .032 2.8 x 0.8

W .12 3.0

Note: Dimensions are for reference only.

Ordering Information:

Select the complete eight digit
module part number from the table
below.
Example: ND422021 is a 2000Volt,
210 Ampere Dual SCR Isolated

POW-R-BLOK

TM

Module

Type

ND42 08

Voltage

Volts

(x100)

10
12
14
16
18
20

Current

Amperes

(x 10)

21

ND42__21

Description:

Powerex Dual SCR/Diode Modules are
designed for use in applications
requiring phase control and isolated
packaging. The modules are isolated
for easy mounting with other
components on a common heatsink.

POW-R-BLOK

recognized by the Underwriters
Laboratories.

Features:

 Electrically Isolated Heatsinking
 Aluminum Nitride Insulator
 Compression Bonded Elements
 Metal Baseplate
 Low Thermal Impedance

for Improved Current Capability
 Quick Connect Gate Terminal
with Provision for Keyed Mating
Plug
 UL Recognized (E78240)

Benefits:

 No Additional Insulation
Components Required

 Easy Installation
 No Clamping Components

Required
 Reduce Engineering Time

Applications:

 Bridge Circuits
 AC & DC Motor Drives
 Battery Supplies
 Power Supplies
 Large IGBT Circuit Front Ends

TM

TM

has been tested and

Revision Date: 05/17/2010