Littelfuse, Inc. PTC Resettable Fuses - AHRF550S AHRF550S

Manufacturer: Littelfuse Inc.
Win Source Part Number: 768368-AHRF550S
Series: PolySwitch, AHRF
Packaging: Bulk
Type: Polymeric
Mounting Style: Through Hole
Operating Temperature Range: -40°C ~ 125°C
Package: Radial, Disc
Ratings: AEC-Q200
Lead Spacing: 0.200" (5.08mm)
Voltage - Max: 16V
Current - Max: 100A
Current - Trip (It): 10A
Time to Trip: 6s
Categories: Circuit Protection
Dimension: 0.441" L x 0.118" W (11.20mm x 3.00mm)
Current - Hold (Ih) (Maximum): 5.5A
Height - Seated (Maximum): 0.740" (18.90mm)
Resistance - Initial (Ri) (Minimum): 13 mOhm
Resistance - Post Trip (R1) (Maximum): 37 mOhm
Introduction Date: January 01, 2000
ECCN: EAR99
Estimated EOL Date: Obsolete / End of life
Popularity: Medium
Fake Threat In the Open Market: 40 pct.
Supply and Demand Status: Limited

PTC RESET FUSE 16V 5.5A RADIAL Product overview: AHRF550S 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 16V, 5.5A. Search-friendly keywords include fuse, circuit protection, overcurrent protection, equipment safety, 16V, 5.5A, 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-AHRF550S can be used for catalog matching and distributor lookup.