Littelfuse, Inc. Circuit Protection Fuse RF1238-000

Description
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.
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Description
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.
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Suppliers

Company
Product
Description
Supplier Links
Singapore
Circuit Protection Fuse
139-RF1238-000
Circuit Protection Fuse 139-RF1238-000
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.

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.

Supplier's Site Datasheet
33V 1.85A 40A 3.6A SMD Resettable Fuses ROHS

33V 1.85A 40A 3.6A SMD Resettable Fuses ROHS

Supplier's Site
PTC Resettable Fuses - RF1238-000 - 990940-RF1238-000 - Win Source Electronics
Laguna Hills, CA, United States
PTC Resettable Fuses - RF1238-000
990940-RF1238-000
PTC Resettable Fuses - RF1238-000 990940-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

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

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Technical Specifications

  ERSAELECTRONICS PTE. LTD. ODG (Origin Data Global) Win Source Electronics
Product Category Fuses Fuses Fuses
Product Number 139-RF1238-000 RF1238-000 990940-RF1238-000
Product Name Circuit Protection Fuse Fuses PTC Resettable Fuses - RF1238-000
Approvals / Standards RoHS
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