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: 1092099-RKEF300
Packaging: Bulk
Type: Polymeric
Approvals: CSA, TUV, UL
Height - Seated (Max): 0.835" (21.20mm)
Mounting: Through Hole
Lead Spacing: 0.199" (5.05mm)
Voltage - Max: 60V
Current - Max: 40A
Current - Hold (Ih) (Max): 3A
Current - Trip (It): 6A
Time to Trip: 19.8s
Categories: Circuit Protection
Status: Active
Temperature Range - Operating: -40°C to 85°C
Dimension: 0.650" L x 0.118" W (16.50mm x 3.00mm)
Resistance - Initial (Ri) (Min): 30 mOhm
Resistance - Post Trip (R1) (Max): 80 mOhm
Popularity: Medium
Fake Threat In the Open Market: 51 pct.
Supply and Demand Status: Balance
Fuse, PTC, resettable, radial, 3A
Radial Leaded PTC Resettable Fuse, 2-Terminal, -40 to 85°C Product overview: RKEF300 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-RKEF300 can be used for catalog matching and distributor lookup.
PTC RESET FUSE 60V 3A RADIAL
| Littelfuse, Inc. | Win Source Electronics | RS Components, Ltd. | ERSAELECTRONICS PTE. LTD. | Shenzhen Shengyu Electronics Technology Limited | |
|---|---|---|---|---|---|
| Product Category | Fuses | Fuses | Fuses | Fuses | Fuses |
| Product Number | RKEF300 | 1092099-RKEF300 | 7127506 | 150-RKEF300 | RKEF300 |
| Product Name | 60V PolySwitch Lead-Free Radial Leaded Resettable PPTC | PTC Resettable Fuses - RKEF300 | Resettable Fuses | Circuit Protection Fuse | Circuit Protection - PTC Resettable Fuses |
| Mounting | Solderable (with leads) | Through Hole | |||
| Approvals / Standards | RoHS | RoHS | |||
| Features | Resettable | Resettable |
