Littelfuse, Inc. PTC Resettable Fuses - RF1238-000 RF1238-000

Manufacturer: Littelfuse Inc.
Storage Condition: Dry storage cabinet & Humidity protection package
Win Source Part Number: 990940-RF1238-000
Termination: SMD/SMT
Length: 8.7122 mm
Mounting: SMD (SMT)
Time to Trip: 5 s
Thickness: 2.9972 mm
Number of Pins: 2
Hold Current: 1.85 A
Width: 6.35 mm
Trip Current: 3.6 A
Categories: PTC Resettable Fuses
Alternative Parts (Cross-Reference): SMD185F-2; MF-SM185/33-2; MF-SM150/33-2; 0ZCF0200AF2C; SMD150F/33-2; RF2286-000;
Popularity: Low
Fake Threat In the Open Market: 56 pct.
Supply and Demand Status: Shortage
Mount: Surface Mount
RoHS: Compliant
Max Current Rating: 40 A

PTC Resettable Fuse Product overview: RF1238-000 from Littelfuse is a Circuit Protection Fuse for overcurrent protection, power input protection, equipment safety, automotive electronics, and industrial control panels. It is useful for engineers and buyers comparing datasheets, replacement parts, BOM lines, package options, lifecycle status, and procurement availability. Key searchable attributes include key electrical ratings, package details, and application requirements. Search-friendly keywords include fuse, circuit protection, overcurrent protection, equipment safety, Circuit Protection Fuse, Fuses. This listing supports clearer product discovery for industrial, commercial, repair, automation, power, sensing, and embedded system projects. Product number 139-RF1238-000 can be used for catalog matching and distributor lookup.