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BUZ71A-S — TO-220 package (representative)
TO-220
Representative of package type
Infineon

BUZ71A-S

MOSFET · TO-220AB · Discrete Semiconductor
Part Status: Obsolete
Data last refreshed Jul 28, 2026
Manufacturer
Infineon
Mfr Part #
BUZ71A-S
Series
BUZ71
Category
MOSFET
Datasheet
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Availability & Pricing
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Product Attributes

Electrical & Parametric
Vds50 V
Id13 A
Rds(On)100 mOhm
Pd40 W
Physical & Thermal
Package / CaseTO-220AB
Mounting TypeThrough Hole
SeriesBUZ71
Operating Temperature-55°C ~ 150°C
Classification & Lifecycle
CategoryMOSFET
TypeDiscrete Semiconductor
Part StatusObsolete

N-Channel 50 V 13 A 100 mOhm 40 W Through Hole TO-220AB

Environmental & Export Classifications

RoHS Status
Non-Compliant

Part Activity

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Recent search and sourcing activity for BUZ71A-S.

Engineering FAQ

BUZ71A-S is marked Obsolete — how does ZDI assure authenticity?
Obsolete and end-of-life parts carry elevated counterfeit risk, which is exactly why ZDI routes every lot through the full EQuality Process™ — validation, QI-1 and QI-2/camera inspection, RoHS verification, bake and bag-and-tag, and QI-3 final inspection — with source-country supplier vetting and full lot traceability before release.
What are the key specifications of BUZ71A-S?
Vds: 50 V; Id: 13 A; Rds(On): 100 mOhm; Pd: 40 W.
What package is BUZ71A-S supplied in?
BUZ71A-S is supplied in the TO-220AB package, through hole, rated -55°C ~ 150°C.
Can ZDI source BUZ71A-S beyond the quantities shown?
Yes — ZD Integrated Circuits specializes in sourcing hard-to-find, obsolete, and excess electronic components through its global network, with counterfeit-avoidance inspection on every lot. Submit an RFQ with your target quantity for availability and pricing.

Documents & Media

Quality & Counterfeit Avoidance

ISO 9001 ERAI Member ESD Certified GIDEP Participant ZDI EQuality Process CAGE Code 1V8K2

ZD Integrated Circuits operates an ISO 9001-certified quality system incorporating JEDEC-standard process-control elements. In an era of global sourcing and internet procurement, standards compliance alone no longer assures component authenticity — so ZDI pioneered a multi-layered counterfeit-avoidance program: supplier analysis at the source-country level, detailed component analysis, defined inspection standards for all incoming devices, and stringent supplier rating and review. These programs let ZDI guarantee the integrity and the source of every component it ships.

Every lot moves through ZDI's EQuality Process™ — validation, QI-1 and QI-2/camera inspection, RoHS verification, bake and bag-and-tag, and QI-3 final inspection — with Quality-Manager disposition before release. Nonconforming material is quarantined; conforming material is warehoused or shipped.

✓Multi-stage EQuality Process™ inspection (QI-1 · QI-2/camera · QI-3)
✓Source-country supplier analysis, rating & review
✓Incoming inspection, RoHS verification, bake, full lot traceability
✓ESD-controlled handling · authentic parts guaranteed

BUZ71A-S is marked Obsolete. Obsolete and end-of-life parts carry elevated counterfeit risk — exactly why ZDI routes them through the full EQuality Process™ with source-country supplier vetting, inspection, and traceability.

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