Littelfuse PolySwitch radial-leaded devices represent the most comprehensive and complete set of PPTC products available in the industry today. RKEF series is for balance of voltage rating (60V) and hold current (up to 5A). Resettable and single-use overcurrent devices Wide range of form factor and termination methods Devices compatible with high-volume electronics assembly Lead-free, halogen-free, and RoHS compliant
Manufacturer: Littelfuse Inc.
Win Source Part Number: 793249-RKEF500-1
Series: PolySwitch, RKEF
Packaging: Bulk
Type: Polymeric
Mounting Style: Through Hole
Operating Temperature Range: -40°C ~ 85°C
Package: Radial, Disc
Approvals: CSA, TUV, UL
Lead Spacing: 0.199" (5.05mm)
Voltage - Max: 60V
Current - Max: 40A
Current - Trip (It): 10A
Time to Trip: 28s
Categories: Circuit Protection
Dimension: 0.949" L x 0.118" W (24.10mm x 3.00mm)
Current - Hold (Ih) (Maximum): 5A
Height - Seated (Maximum): 1.142" (29.00mm)
Resistance - Initial (Ri) (Minimum): 12 mOhm
Resistance - Post Trip (R1) (Maximum): 50 mOhm
ECCN: EAR99
Country of Origin: China
Halogen Free: Compliant
Popularity: Medium
Fake Threat In the Open Market: 45 pct.
Supply and Demand Status: Limited
PTC Resettable Fuse, Through Hole Mount, RADIAL LEADED Product overview: RKEF500-1 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 Through-Hole. Search-friendly keywords include fuse, circuit protection, overcurrent protection, equipment safety, Through-Hole, Circuit Protection Fuse, PTC Resettable Fuses. This listing supports clearer product discovery for industrial, commercial, repair, automation, power, sensing, and embedded system projects. Product number 150-RKEF500-1 can be used for catalog matching and distributor lookup.
PTC RESET FUSE 60V 5A RADIAL
| Littelfuse, Inc. | Win Source Electronics | ERSAELECTRONICS PTE. LTD. | Shenzhen Shengyu Electronics Technology Limited | |
|---|---|---|---|---|
| Product Category | Fuses | Fuses | Fuses | Fuses |
| Product Number | RKEF500-1 | 793249-RKEF500-1 | 150-RKEF500-1 | RKEF500-1 |
| Product Name | 60V PolySwitch Lead-Free Radial Leaded Resettable PPTC | PTC Resettable Fuses - RKEF500-1 | Through-Hole Circuit Protection Fuse | Circuit Protection - PTC Resettable Fuses |
| Mounting | Solderable (with leads) | Through Hole |
