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
Fuse, PTC, resettable, radial, 5A
Radial Leaded PTC Resettable Fuse, 2-Terminal, -40 to 85°C Product overview: RKEF500 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, PTC Resettable Fuses. This listing supports clearer product discovery for industrial, commercial, repair, automation, power, sensing, and embedded system projects. Product number 150-RKEF500 can be used for catalog matching and distributor lookup.
Manufacturer: Littelfuse Inc.
Win Source Part Number: 804940-RKEF500
Packaging: Bulk
Type: Polymeric
Mounting Style: Through Hole
Approvals: CSA, TUV, UL
Lead Spacing: 0.400" (10.15mm)
Voltage - Max: 60V
Current - Max: 40A
Current - Trip (It): 10A
Time to Trip: 28s
Temperature Range - Operating: -40°C ~ 85°C
Dimension: 0.949" L x 0.118" W (24.10mm x 3.00mm)
Resistance - Initial (Ri) (Min): 12 mOhms
Manufacturer Package: Radial, Disc
Current - Hold (Ih) (Maximum): 5A
Height - Seated (Maximum): 1.142" (29.00mm)
Resistance - Post Trip (R1) (Maximum): 50 mOhms
Popularity: Medium
Fake Threat In the Open Market: 75 pct.
Supply and Demand Status: Balance
Manufacturer Pack Quantity: 250
MSL Level: 1 (Unlimited)
PTC RESET FUSE 60V 5A RADIAL
| Littelfuse, Inc. | RS Components, Ltd. | ERSAELECTRONICS PTE. LTD. | Win Source Electronics | Shenzhen Shengyu Electronics Technology Limited | |
|---|---|---|---|---|---|
| Product Category | Fuses | Fuses | Fuses | Fuses | Fuses |
| Product Number | RKEF500 | 7127503 | 150-RKEF500 | 804940-RKEF500 | RKEF500 |
| Product Name | 60V PolySwitch Lead-Free Radial Leaded Resettable PPTC | Resettable Fuses | Circuit Protection Fuse | PTC Resettable Fuses - RKEF500 | Circuit Protection - PTC Resettable Fuses |
| Mounting | Solderable (with leads) | Through Hole | |||
| Approvals / Standards | RoHS | RoHS | |||
| Features | Resettable | Resettable |
