MKF Surface Mount Fuse Datasheet: Quick-Acting F, 125VAC/VDC

Category: Circuit Protection Devices, Electronics, Schurter Inc

Overview

The MKF Surface Mount Fuse is a quick-acting “F” type fuse designed to serve a broad array of applications, including telecom and household appliances. With its small form factor of 7 x 2.54 mm, it is ideal for PCB and SMT mounting.

Key Features

The fuse has a high breaking capacity and is directly solderable on printed circuit boards. Technical specifications include a rated voltage of 125VAC and 125VDC with a rated current range between 0.63A and 15A. The breaking capacity is documented as 100 amperes and it is compliant with the Quick-Acting F characteristic. For environmental resilience, it functions well in a wide ambient air temperature range of -55°C to 85°C, which falls under the climatic category 55/085/56 according to IEC 60068.

Materials and Design

Materials used for the fuse include a ceramic tube and tin-plated copper alloy end caps. The fuse is lightweight at 1.5 grams, and should be stored under a temperature range of -5°C to 60°C with a maximum relative humidity of 70%.

Soldering and Durability

For soldering, it supports both reflow and wave soldering techniques. The fuse boasts a solderability at 235°C for 2 seconds, in line with IEC 60068-2-58, Test Td, and has a resistance to solder heat of 260°C for 10 seconds. It carries a Moisture Sensitivity Level (MSL) of 1, per J-STD-020.

Approvals and Compliance

It meets UL 248-14 and CSA C22.2 no. 248.14 for low voltage fuses, and is suitable for use in applications conforming to IEC/UL 62368-1 for audio, video, information, and communication technology equipment safety. SCHURTER’s MKF fuses are equipped with various certifications such as the UL approval, with UR File Number E42088.

Regarding international compliance, the fuse adheres to the CE declaration of conformity, the UKCA declaration of conformity, RoHS, China RoHS, and REACH regulations, ensuring its compliance with EU and global environmental standards.

Product Marking and Reference

The fuse displays its rated current on its body for easy identification. For additional product information, SCHURTER provides web links to datasheets, a general product overview, stock checks, and detailed product requests. A reference type of 172876 is given for this particular model.