Littelfuse PolySwitch radial-leaded devices represent the most comprehensive and complete set of PPTC products available in the industry today. RXEF series offers low hold currents (down to 50mA) and high voltage rating (up to 72V). 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 UL Recognized to UL 1434 CSA Approved to CSA TIL No. CA-3A TUV Approved to EN 60730-1 CQC Approved to GB 8898, GB/T 7153, GB 14536.1
PTC Resettable Fuse, Through Hole Mount, RADIAL LEADED Product overview: RXEF185K 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-RXEF185K can be used for catalog matching and distributor lookup.
Manufacturer: Littelfuse Inc.
Win Source Part Number: 793162-RXEF185K
Series: PolySwitch, RXEF
Packaging: Bulk
Type: Polymeric
Mounting Style: Through Hole
Operating Temperature Range: -40°C ~ 85°C
Package: Radial, Disc
Approvals: CQC, CSA, TUV, UL
Lead Spacing: 0.199" (5.05mm)
Voltage - Max: 72V
Current - Max: 40A
Current - Trip (It): 3.7A
Time to Trip: 12.6s
Family Name: RXEF
Categories: Circuit Protection
Dimension: 0.660" Dia x 0.118" W (16.76mm x 3.00mm)
Current - Hold (Ih) (Maximum): 1.85A
Height - Seated (Maximum): 0.905" (23.00mm)
Resistance - Initial (Ri) (Minimum): 80 mOhm
Resistance - Post Trip (R1) (Maximum): 190 mOhm
Introduction Date: November 09, 2015
ECCN: EAR99
Country of Origin: China
Estimated EOL Date: 2029
Popularity: Medium
Fake Threat In the Open Market: 52 pct.
Supply and Demand Status: Limited
PTC RESET FUSE 72V 1.85A RADIAL
| Littelfuse, Inc. | ERSAELECTRONICS PTE. LTD. | Win Source Electronics | Shenzhen Shengyu Electronics Technology Limited | |
|---|---|---|---|---|
| Product Category | Fuses | Fuses | Fuses | Fuses |
| Product Number | RXEF185K | 150-RXEF185K | 793162-RXEF185K | RXEF185K |
| Product Name | 72 & 60V PolySwitch Lead-Free Radial Leaded Resettable PPTC | Through-Hole Circuit Protection Fuse | PTC Resettable Fuses - RXEF185K | Circuit Protection - PTC Resettable Fuses |
| Mounting | Solderable (with leads) | Through Hole |
