Littelfuse, Inc. Through-Hole 30V 40A Circuit Protection Fuse 30R400UMR

30V Radial Varistor, 40A, 50mR, Through Hole Product overview: 30R400UMR 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, 30V, 40A. Search-friendly keywords include fuse, circuit protection, overcurrent protection, equipment safety, Through-Hole, 30V, 40A, 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 150-30R400UMR can be used for catalog matching and distributor lookup.

Win Source Part Number: 1361791-30R400UMR
Category: Circuit Protection - PTC Resettable Fuses
Temperature Range - Operating: -40°C ~ 85°C
Fake Threat In the Open Market: 38 pct.
Type: Polymeric
MSL Level: 1 (Unlimited)
Mfr: Littelfuse Inc.
Series: POLY-FUSE®, 30R
Package / Case: Radial, Disc
Mounting Type: Through Hole
HTSUS: 8533.40.8070
Lead Spacing: 0.201" (5.10mm)
Size / Dimension: 0.551" L x 0.118" W (14.00mm x 3.00mm)
Height - Seated (Max): 0.866" (22.00mm)
REACH Status: REACH Unaffected
ECCN: EAR99
Current - Max: 40 A
Approval Agency: cURus, TUV
Current - Hold (Ih) (Max): 4 A
Voltage - Max: 30V
Current - Trip (It): 8 A
Time to Trip: 12.7 s
Product Status: Active
Resistance - Initial (Ri) (Min): 10 mOhms
Resistance - Post Trip (R1) (Max): 50 mOhms