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ZD Integrated Circuits
0251.500MX — axial-resistor package (representative)
axial-resistor
Representative of package type
Littelfuse

0251.500MX

Fuse · Axial · Circuit Protection
Manufacturer
Littelfuse
Mfr Part #
0251.500MX
Series
251
Category
Fuse
Datasheet
View datasheet ↗
Availability & Pricing
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Product Attributes

Electrical & Parametric
Current Rating500 mA
Voltage Rating Ac125 V
Voltage Rating Dc125 V
Response TimeVery Fast Blow
Physical & Thermal
Package / CaseAxial
Mounting TypeThrough Hole
Series251
Operating Temperature-55°C ~ 125°C
Classification & Lifecycle
CategoryFuse
TypeCircuit Protection

500 mA 125 VAC/VDC Very Fast Blow axial lead fuse

Environmental & Export Classifications

RoHS Status
RoHS Compliant
REACH Status
Moisture Sensitivity (MSL)
ECCN
HTSUS

Engineering FAQ

answers from this part's real data
What are the key specifications of 0251.500MX?
Current Rating: 500 mA; Voltage Rating Ac: 125 V; Voltage Rating Dc: 125 V; Response Time: Very Fast Blow.
What package is 0251.500MX supplied in?
0251.500MX is supplied in the Axial package, through hole, rated -55°C ~ 125°C.
Can ZDI source 0251.500MX 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

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