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Littelfuse

SMD185F-2

PPTC Resettable Fuse · 2920 · Passive
Part Status: Active
Data last refreshed Jul 28, 2026
Manufacturer
Littelfuse
Mfr Part #
SMD185F-2
Series
SMD
Category
PPTC Resettable Fuse
Datasheet
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Availability & Pricing
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Product Attributes

Electrical & Parametric
Hold Current1.85A
Max Voltage33V
Trip Current3.7A
Resistance0.04Ω max
Physical & Thermal
Package / Case2920
Mounting TypeSurface Mount
SeriesSMD
Operating Temperature-40°C ~ 85°C
Classification & Lifecycle
CategoryPPTC Resettable Fuse
TypePassive
Part StatusActive

1.85A hold, 3.7A trip, 33V, surface-mount PolySwitch PPTC

Environmental & Export Classifications

RoHS Status
RoHS Compliant

Part Activity

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Recent search and sourcing activity for SMD185F-2.

Engineering FAQ

What are the key specifications of SMD185F-2?
Hold Current: 1.85A; Max Voltage: 33V; Trip Current: 3.7A; Resistance: 0.04Ω max.
What package is SMD185F-2 supplied in?
SMD185F-2 is supplied in the 2920 package, surface mount, rated -40°C ~ 85°C.
Can ZDI source SMD185F-2 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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