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
Win Source Part Number: 1361803-RXEF300K-2
Category: Circuit Protection - PTC Resettable Fuses
Temperature Range - Operating: -40°C ~ 85°C
Fake Threat In the Open Market: 59 pct.
Type: Polymeric
MSL Level: 1 (Unlimited)
Mfr: Littelfuse Inc.
Series: PolySwitch®, RXEF
Package: Tape & Reel (TR)
Product Status: Active
Package / Case: Radial, Disc
Mounting Type: Through Hole
HTSUS: 8533.40.8070
Lead Spacing: 0.400" (10.15mm)
Size / Dimension: 0.910" Dia x 0.118" T (23.11mm x 3.00mm)
Height - Seated (Max): 1.154" (29.30mm)
ECCN: EAR99
Current - Max: 40 A
Approval Agency: CQC, CSA, TUV, UL
Current - Hold (Ih) (Max): 3 A
Voltage - Max: 72V
Current - Trip (It): 6 A
Time to Trip: 19.8 s
Resistance - Initial (Ri) (Min): 40 mOhms
Resistance - Post Trip (R1) (Max): 100 mOhms
California Prop 65: Warning Information
PTC Resettable Fuse, Through Hole Mount, RADIAL LEADED Product overview: RXEF300K-2 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-RXEF300K-2 can be used for catalog matching and distributor lookup.
PTC RESET FUSE 72V 3A RADIAL
| Littelfuse, Inc. | Win Source Electronics | ERSAELECTRONICS PTE. LTD. | Shenzhen Shengyu Electronics Technology Limited | |
|---|---|---|---|---|
| Product Category | Fuses | Fuses | Fuses | Fuses |
| Product Number | RXEF300K-2 | 1361803-RXEF300K-2 | 150-RXEF300K-2 | RXEF300K-2 |
| Product Name | 72 & 60V PolySwitch Lead-Free Radial Leaded Resettable PPTC | Circuit Protection - PTC Resettable Fuses | Through-Hole Circuit Protection Fuse | Circuit Protection - PTC Resettable Fuses |
| Mounting | Solderable (with leads) | Through Hole |
