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New High Current Inductor That Provides 50% Lower DCR

Vishay Intertechnology introduced a new high current inductor that provides 50 % lower DCR than typical power inductors for improved efficiency in high frequency DC/DC converters.

Using materials and construction similar to the IHLP, the Vishay Dale IHVR-4024KE-51 also boasts excellent saturation and temperature stability. Available in the compact 10 mm by 6 mm by 10 mm 4024 case size, the device enables high current density, while its vertical mount design saves on board space.


Key Features

· Optimized for energy storage in DC/DC converters up to 5 MHz

· Provides excellent attenuation of noise in high current filtering applications up to the SRF of the inductor

· Packaged in a 100 % lead (Pb)-free shielded, composite construction that reduces buzz to ultra low levels

· High resistance to thermal shock, moisture, and mechanical shock


Key Specifications

Part#: IHVR-4024KE-51

Case Size: 4024

Inductance @ 100hz (uH) : 0.12

DCR@25 DegC (mohm) : 0.24

Saturation Current typ. A : 91-130

SRF typ. (Mhz) : 112


Benefits

· Low DCR of 0.24 mW

· Compact 10 mm by 6 mm by 10 mm 4024 case size

· Vertical-mount design

· High temperature operation to +155 °C

· Handle high transient current spikes without saturation

· RoHS-compliant


Market Applications

· Energy storage in DC/DC converters and high current filtering in servers and desktop PCs; high current POL converters; multi-phase, high current power supplies; battery-powered devices; distributed power systems; and FPGAs

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