Sourcible All EOL parts
Discontinued · notice Oct 2025

4SEP1200M

Panasonic OS-CON SEP series polymer capacitor, 4V 1200uF

The read
Panasonic discontinued this OS-CON line in an October 2025 notice. Authorized stock has thinned since the last-time-buy window and remaining lots trade on the open market. Long-lifecycle industrial and power designs are the ones feeling it.
ManufacturerPanasonic
Lifecycle statusDiscontinued
Notice dateOct 2025
CategoryPolymer capacitor (OS-CON)
How Sourcible handles this part
Remaining lots trade on the open market. Anything we source outside authorized distribution goes through an independent AS6081-accredited laboratory before it ships. You get tested parts and the report to prove it.

4SEP1200M frequently asked questions

Is 4SEP1200M still available?

4SEP1200M is no longer in production. Panasonic discontinued it in a Oct 2025 notice. Remaining lots may still exist outside authorized distribution, and Sourcible LLC locates and verifies that material on request.

Is 4SEP1200M discontinued or end of life?

Yes. 4SEP1200M is discontinued at Panasonic, announced in a Oct 2025 notice.

What are the alternatives to 4SEP1200M?

Alternatives to 4SEP1200M depend on the application. Sourcible LLC identifies verified substitutes on request rather than publishing a generic cross reference.

Where can I buy 4SEP1200M now that it is obsolete?

4SEP1200M no longer ships from Panasonic production. Sourcible LLC sources remaining inventory of 4SEP1200M for OEM and EMS buyers. Components sourced outside authorized distribution are inspected by an independent AS6081-accredited lab before shipment. Submit a requirement on this page to start.

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