CD420890 Powerex - miscellaneous
CD420890 Description
Powerex makes the CD420890, an 800 V, 90 A dual SCR module (POW-R-BLOK). It is used in phase-controlled rectifiers, soft starters, battery chargers and temperature controllers for furnaces and heaters. Many of these parts are still in service in machines built years ago, and a direct replacement is often the fastest way to get one running again.
USComponent (Young & New Century LLC) supplies power modules, thyristors, diodes and other industrial components, including legacy parts. Contact us for a quote on the CD420890, and please confirm ratings against the datasheet before ordering.
Summary of Features
CD420890 is an 800 V, 90 A dual SCR module (POW-R-BLOK).
Target Applications
Powerex CD420890 is used for General Purpose Inverter, Uninterruptible Power Supply, Servo & Spindle Drive for CNC Machine Tools, Robotics (Servo Drive for Robots), Switching Power Supplies for Welding Machines.
Key Specifications
CD420890 is an 800 V, 90 A dual SCR module (POW-R-BLOK). Source: manufacturer datasheet.
| Parameter | Value |
|---|---|
| Product type | Dual SCR module (POW-R-BLOK) |
| Repetitive peak voltage (VDRM / VRRM) | 800 V |
| Rated on-state current | 90 A |
| Datasheet | Available on this page (PDF) |
Technical document (PDF) | Request a quote for CD420890 (reply within 24 hours)
Related Part Numbers
| CD420860 800V, 95A | CD420840 800V, 40A | CD421240 1200V, 63A | CD421260 1200V, 80A |
| CD421290 1200V, 140A | CD421640 1600V, 40A | CD421660 1600V, 95A | CD421690 1600V, 140A |
| CD420890A 800V, 140A | CD420860B 800V, 60A | CD420890B 800V, 90A | CD420860A 60A/800V |
| CD420840B 800V, 40A | CD420840A 800V, 40A | CD421240A 1200V, 63A | CD421240B 1200V, 40A |

