skmd40f04 Semikron - Power Transistor Module
skmd40f04 Description
The skmd40f04 from Semikron is a diode module. Diode modules like this are common in rectifier front ends, DC power supplies, welders and plating equipment. If you are repairing older equipment, we can usually find this exact part, including date codes that are no longer in production.
USComponent has sourced power semiconductors for maintenance teams and OEMs since 2001. For price and availability of the skmd40f04, send us a request for quote. Please confirm the specifications against the manufacturer's datasheet before purchase.
Target Applications
Semikron skmd40f04 is used for DC choppers, AC motor speed control, inductive heating, uninterruptible power supplies and electronic welders.
Key Specifications
SKMD40F04: key data from the Semikron datasheet.
| Parameter | Value |
|---|---|
| Isolation test voltage (Visol, a.c. 50 Hz) | 3600 / 3000 V~ |
| Weight | approx. 120 g |
| Datasheet | Available on this page (PDF) |
Technical document (PDF) | Request a quote for skmd40f04 (reply within 24 hours)

