1 / 2Photos show this part as we found it on boards during repairs - not the stock you'll receive.
STB20NM50FD
N-channel power MOSFET, 500V 20A, fast diode, D2PAK
Other stores - prices, stock and shipping are theirs.
- Identified on 2 board photos in 1 device
- Replaced in 2 repairs
Specifications (MOSFET)
| N or P | N |
|---|---|
| Max power dissipation | 192 W |
| Max drain-source voltage |Vds| | 500 V |
| Max gate-source voltage |Vgs| | 30 V |
| Max gate threshold voltage |Vgs(th)| | 5 V |
| Max continuous drain current |Id| | 20 A |
| Max drain-source on-resistance Rds(on) | 0.25 Ohm |
| Package, e.g. TO220AB | D2PAK |
Found in these devices
Where we've identified this part on boards we've worked on.
| Device | Board | Position on board |
|---|---|---|
| Das ROAD 15A powered speaker | Low amp |
From our repair bench
In 0 of 2 repairs where it was replaced, the device was fixed.
Failed or replaced in: Das ROAD 15A (2)
Reported symptoms when it had failed:
- Woofer amp burn (2 repairs)
Totals across every repair logged on Circuit Fixers.
Similar parts
Different package (TO220)
Different package (TO220)
Verified replacements were fitted in place of this part in our repairs, and the repair worked. Tested substitutes have been used in our repairs to replace this part. Related parts are ones this part can replace, not the other way round. The others match on ratings from our parameter tables - check the datasheet before fitting.
Often found with
Parts we stock that sit on the same boards - handy when the fault is in that area.
