Bourns, Inc. 40V 500MA Circuit Protection Fuse MF-MSMF050/40X-2

PTC RESET FUSE 40V 500MA 1812 Product overview: MF-MSMF050/40X-2 from Bourns, Inc. 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 40V, 500MA. Search-friendly keywords include fuse, circuit protection, overcurrent protection, equipment safety, 40V, 500MA, 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-MF-MSMF050/40X-2 can be used for catalog matching and distributor lookup.

Win Source Part Number: 1357120-MF-MSMF050/40X-2
Category: Circuit Protection - PTC Resettable Fuses
Temperature Range - Operating: -40°C ~ 85°C
Fake Threat In the Open Market: 58 pct.
Type: Polymeric
MSL Level: 1 (Unlimited)
Mfr: Bourns Inc.
Series: Multifuse®, MF-MSMF
Package: Tape & Reel
Product Status: Active
Package / Case: 1812 (4532 Metric), Concave
Mounting Type: Surface Mount
HTSUS: 8533.40.8070
Ratings: AEC-Q200
Size / Dimension: 0.179" L x 0.128" W (4.55mm x 3.24mm)
REACH Status: REACH Unaffected
ECCN: EAR99
Thickness (Max): 0.033" (0.85mm)
Current - Max: 20 A
Approval Agency: cUL, cURus
Current - Hold (Ih) (Max): 500 mA
Voltage - Max: 40V
Current - Trip (It): 1 A
Time to Trip: 200 ms
Resistance - Initial (Ri) (Min): 150 mOhms
Resistance - Post Trip (R1) (Max): 1.3 Ohms