Infineon DD121S

Series dual diode module, up to 1400 V

MPN: DD121S
Category: Thyristor & Diode Modules

Price and lead time confirmed within 1 business day

Discontinued by Infineon — we can still source the original DD121S (new, used or refurbished, subject to availability). Request a quote below.

Request a Quote

1We check stock, condition and lead time
2You get a written quote by email
3Approve it and we ship — in-stock parts within 1 business day

12-month warranty (new) · 3-month (used/refurbished)
30-day returns, no restocking fee on unused parts
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What is the Infineon DD121S?

Infineon (eupec) DD121S: DD121S series dual diode module, up to 1400 V. Legacy eupec part, discontinued. Listed as a type family: state the voltage class and package code you need (e.g. from the old part's label) when requesting a quote. PartnerPLC supplies new and surplus Infineon and eupec power semiconductors for drive, inverter and power-supply repair — request a quote for price, condition and lead time.

Specifications

Configuration	dual diode module
Type family	DD121S
Voltage classes	up to 1400 V
Manufacturer	eupec (Infineon Technologies)
Lifecycle	Discontinued (legacy eupec part)

DD121S: frequently asked questions

Can I still buy the DD121S now that it is discontinued?

Yes. Infineon has discontinued the DD121S, but sourcing discontinued parts is what PartnerPLC specialises in — new old stock, used and refurbished units. Request a quote and we'll confirm availability, condition and lead time.

When can DD121S be shipped?

DD121S is sourced on request — request a quote and we'll confirm the exact availability and shipping timeline for this specific unit.

Can I pick up DD121S in person?

Local pickup from our Groningen, Netherlands warehouse may be possible — contact us before ordering to check availability and arrange a collection time.

Is express delivery available?

Yes — mention it when you request a quote for DD121S and we'll include express shipping options in our reply.

My factory is down and I need this urgently — can you help?

For a critical breakdown, contact us directly at +31 (0)50-7110348 or sales@partnerplc.com — we can look into same-day courier or dedicated taxi/hotshot delivery for DD121S, subject to availability and destination.