Why Choose the Mersen K208228 MISIPTF78 Miniature Fuse Base?
The Mersen K208228 is a compact and dependable open-type miniature fuse base designed to securely accommodate standard 5 × 20 mm cartridge fuses. Also identified by the catalogue reference MISIPTF78 and designation SI PTF 78, it provides a practical fuse mounting solution for printed circuit boards and enclosed electrical equipment.
Part of the Mersen IEC Miniature Fuse Bases range, the K208228 is rated for operation at up to 250 V AC and 6.3 A. Its open construction provides convenient access to the installed fuse, supporting straightforward inspection, testing and replacement during equipment maintenance.
The fuse base features a compact single-pole PCB-mounted design manufactured from flame-retardant PA6.6 UL94 V-0 insulating material. Its reliable contact arrangement and space-saving dimensions make it suitable for industrial controls, electronic assemblies, instrumentation and OEM equipment.
Key Advantages
- Designed for standard 5 × 20 mm miniature cartridge fuses.
- 250 V AC and 6.3 A ratings suit a wide range of electrical circuits.
- Open design allows convenient fuse inspection and replacement.
- Compact format supports direct printed circuit board mounting.
- Single-pole construction conserves space within electrical equipment.
- UL94 V-0 flame-retardant insulating material.
- Reliable electrical contact for dependable circuit protection assemblies.
Key Features
- Mersen IEC Miniature Fuse Bases, Open Type series.
- MISIPTF78 catalogue reference.
- SI PTF 78 product designation.
- Compatible with 5 × 20 mm miniature fuses.
- 6.3 A rated current.
- 250 V AC rated voltage.
- Single-pole configuration.
- PCB-mounted installation.
- PA6.6 insulating body with UL94 V-0 flammability rating.
- RoHS-compliant construction.
Reliable Fuse Mounting for Printed Circuit Boards
Miniature fuse bases provide a secure connection point between a replaceable cartridge fuse and the protected electrical circuit. When fitted with a correctly selected fuse, the K208228 forms part of an effective protection arrangement against sustained overloads and short circuits.
The open construction is best suited to internal equipment assemblies where access to live parts is restricted by the finished enclosure. Its compact PCB-mounted format makes it suitable for new electronic designs, replacement applications and space-conscious industrial equipment.
Typical Applications
- Printed circuit boards.
- Industrial control equipment.
- Electronic power supplies.
- Instrumentation and monitoring devices.
- Commercial electrical equipment.
- OEM machinery and electronic assemblies.
