1/2A 600V Fast Blo Midget Fuse – Littelfuse 0KLK.500T

Littelfuse 0KLK.500T — Midget Fast-Blow Fuse, 1/2 A 600 V

The Littelfuse 0KLK.500T is a 1/2 amp, 600 volt fast-blow midget fuse engineered to provide compact, reliable overcurrent protection for sensitive electronic circuits. Its fast-acting characteristic clears faults quickly to reduce risk to semiconductors and other downstream components. The midget form factor enables installation in space-constrained fuse holders and sub-miniature fuse clips commonly used in power supplies, control modules, and industrial electronics. This fuse addresses the challenge of protecting delicate circuitry where a time-delay device would allow damaging fault energy to persist. Replacement and service are straightforward, reducing downtime for field technicians and maintenance teams. The device also offers OEMs a small-footprint protective element suitable for new equipment designs that demand rapid fault isolation.

Key Features:

• Rated current: 1/2 A (0.5 A)
• Rated voltage: 600 V
• Fast-blow (fast-acting) characteristic for rapid fault clearance
• Midget (sub-miniature) form factor for compact installations

Specifications:

• Manufacturer: Littelfuse
• MPN: 0KLK.500T
• Current rating: 1/2 A
• Voltage rating: 600 V

Applications / Usage Context:

Use this midget fast-blow fuse for overcurrent protection in power supplies, control electronics, and compact industrial equipment. It is suitable for field installers performing repairs and replacements, OEMs integrating compact protection into new products, and MRO operations maintaining reliable system protection.

Tri-Tek Electronics is an authorized distributor for Littelfuse products and provides full manufacturer warranty support with nationwide availability.