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JANTX1N4249 — Axial diode package (representative)
Axial diode
Representative of package type
Fairchild Semiconductor Corp

JANTX1N4249

Rectifier Diode · DO-41 (Axial) · Discrete Semiconductor
Part Status: Obsolete
Data last refreshed Jul 28, 2026
Manufacturer
Fairchild Semiconductor Corp
Mfr Part #
JANTX1N4249
Series
1N4249
Category
Rectifier Diode
Datasheet
View datasheet ↗
Availability & Pricing
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Product Attributes

Electrical & Parametric
Vrrm1000 V
If1 A
Vf1.3 V @ 1 A
Physical & Thermal
Package / CaseDO-41 (Axial)
Mounting TypeThrough Hole
Series1N4249
Operating Temperature-65°C ~ 175°C
Classification & Lifecycle
CategoryRectifier Diode
TypeDiscrete Semiconductor
Part StatusObsolete

1000 V, 1 A silicon rectifier, JANTX qualified per MIL-PRF-19500

Environmental & Export Classifications

RoHS Status
Non-Compliant

Part Activity

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Engineering FAQ

JANTX1N4249 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 JANTX1N4249?
Vrrm: 1000 V; If: 1 A; Vf: 1.3 V @ 1 A.
What package is JANTX1N4249 supplied in?
JANTX1N4249 is supplied in the DO-41 (Axial) package, through hole, rated -65°C ~ 175°C.
Can ZDI source JANTX1N4249 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

JANTX1N4249 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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