ND420625 datasheet and PDF check from
http://www.chinaicmart.com/series-ND4/ND420625.html
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-BLOKTM has been tested and recognized by the Underwriters
Laboratories.
Features:
=01=02 Electrically Isolated Heatsinking
=01=02 Aluminum Nitride Insulator
=01 Compression Bonded Elements
=01 Metal Baseplate
=01 Low Thermal Impedance
for Improved Current Capability
=01 Quick Connect Gate Terminal
with Provision for Keyed Mating
Plug
=01 UL Recognized
Benefits:
=01=02 No Additional Insulation
Components Required
=01=02 Easy Installation
=01=02 No Clamping Components
Required
=01 Reduce Engineering Time
Applications:
=01=02 Bridge Circuits
=01=02 AC & DC Motor Drives
=01=02 Battery Supplies
=01=02 Power Supplies
=01=02 Large IGBT Circuit Front Ends