SMD Solid-state Fuse for the Most Demanding Applications

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HCF by Schurter has a metallic thin film layer and covers a rated current range from 5 A to 15 A

Electronics & Electricity

SMD Solid-state Fuse for the Most Demanding Applications
SMD Solid-state Fuse for the Most Demanding Applications

SCHURTER's new High Current Fuse, HCF, is an extremely robust SMD fuse, designed using solid-state / thin-film technology. The HCF is especially suited for use in particularly harsh applications, where the reliable interrupt of high currents is critical.

SCHURTER's experience, acquired from the development of solid-state fuses for the space industry, and the cooperation with ESA, have led to the development of the HCF. The new HCF has a similar structure as the two ESA-certified types SCHURTER MGA-S and HCSF. Fuses used in Space applications meet the most rigorous performance requirements, with only the most advanced, most reliable technologies available. However, the intensive screening of each individual fuse, which is essential requirement for space applications, is not necessary with the HCF for non-Space applications. This leads to a substantial reduction in the cost per fuse.

Solid state / thin film

In contrast to conventional fuses with a melting wire, the HCF has a metallic thin film layer. With this manufacturing technique, a metal layer is applied in conjunction with a so-called sputter. The two form on a glass substrate in an exact micrometer thickness. The resulting fuse element is enclosed with a ceramic housing, that guarantees the necessary stability and interrupt capacity. No harmful substances escape in solid or gaseous form during cutoff of the fuse. This technology also makes the SCHURTER HCF completely impermeable to potting compound, which can be used to achieve a hermetic seal e.g. for use in intrinsically safe applications according to ATEX and IECEx requirements.

High breaking capacity

The SCHURTER HCF has a high breaking capacity of up to 1000 A at 125 VAC resp. 125 VDC with fast response. It covers a rated current range from 5 A to 15 A.

Application areas

Due to its robust design, the HCF fuse is particularly suited for applications which offer high reliability under particularly difficult conditions (thermal and mechanical shock, cycle endurance, etc.). Examples of possible applications: ATEX- and offshore oil and gas applications, equipment operated in sub-arctic regions, aviation electronics, and certain medical technology, where robust and space saving fuse performance is required. The temperature from -50 °C to 125 °C, as well as a vibration resistance – tested up to 1600g – make the HCF ideal for the most demanding high-performance applications under the most adverse conditions.

Technical Data

- Approval for IEC 60127-7 / UL 248-14 / CSA C22.2 no. 248.14

- High breaking capacity up to 1000 A

- Rated Current: 5 A / 7.5 A / 10 A / 15 A

- Rated Voltage: 125 VDC / VAC

- Quick-Acting characteristics (F)

- Smallest Fuse for 15 A @ 125 VDC

- Sealed

- According to Standard: ATEX EN 60079-0 (-11)

- According to Standard: MIL-PRF-23419

- Applications where high reliability is needed

- Fail-Safe applications

- Aviation

- Offshore

- Commercial satellite projects

Posted on December 21, 2017 - (139721 views)
SCHURTER AG
Werkhofstrasse 8-12
6002 Luzern - Switzerland
+41-41-3693111
+41-41-3693333
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Description

SCHURTER continues to be a progressive innovator and manufacturer of electronic and electrical components worldwide. Our products ensure safe and clean supply of power, while making equipment easy to use. We offer a broad range of standard products including circuit protection, connectors, EMC products, switches and input systems, as well as electronic manufacturing services. Moreover, SCHURTER is ready to work with our customers to meet their application specific requirements, not covered in our standard range. You can rely on SCHURTER's global network of companies and partners to guarantee a high level of local service and product delivery.

Products and Services: Circuit Protection: Fuse-Links, Fuseholders, Circuit Breakers for Equipment, Voltage Selectors Connectors: IEC Appliance Couplers, Appliance Inlets, Connectors, Appliance Outlets, Plugs, Power Supply Cords, Interconnection Cords EMC Products: 1- and 3-phase Line Filters with and without IEC Appliance Inlets, Sine Filters, Chokes and Pulse Transformers Switches: Metal Line Switches, Printmount and Frontpanel Switches, Public Transport Switches, Indicators Input Systems: Metal- and Membrane Keypads, Touch Screens, Touch Panels, Cabinet and Housing Systems. Services: Electronic Manufacturing Services for the Electronic Industry, Development of Customer specific Products, Support of pre Compliance Measurement for EMC topics

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