Infineon – T551N phase-control thyristor disc, up to 7000 V
Discontinued by Infineon — we can still source the original T551N (new, used or refurbished, subject to availability). Request a quote below.
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Quick facts
| Availability | Confirmed on request |
| Category | Thyristor & Diode Modules |
| Lifecycle | Discontinued |
| Warranty | 12-month (new) · 3-month (used/refurbished) |
| Datasheet | Manufacturer datasheet ↗ |
Shipping & availability
Can I still buy the T551N now that it is discontinued?
Yes. Infineon has discontinued the T551N, 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 T551N be shipped?
T551N 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 T551N 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 T551N 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 T551N, subject to availability and destination.
Infineon (eupec) T551N: T551N phase-control thyristor disc, up to 7000 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
Specifications
| Configuration | phase-control thyristor disc |
| Type family | T551N |
| Voltage classes | up to 7000 V |
| Package (dia/height mm) | 75/35K |
| Manufacturer | eupec (Infineon Technologies) |
| Lifecycle | Discontinued (legacy eupec part) |
More Infineon parts
Available on request2200 V, electrical triggered phase control thyristor
Available on requestT508N phase-control thyristor disc, up to 2000 V, 50/14 mm press-packAvailable on requestT509N phase-control thyristor disc, up to 2000 V, 57/26 mm press-packAvailable on requestT553N light-triggered thyristor disc, up to 7000 V
