Compact Insulators Offer High Efficiency For IoT Applications

By Jay Soni

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New Vishay Intertechnology IHHP power inductors save space and increase efficiency in IoT devices and portable electronics.

Credit : Vishay Intertechnology

The purpose of power inductors is to reduce core losses in an application that requires voltage conversion. This electronic component can also be used in a magnetic field created by a tightly wound coil to receive or store energy, reducing signal loss in a system design. And if the device itself offers loss of energy where it is meant to sustain, the system tends to fail.

Vishay Intertechnology, Inc. has introduced its IHHP series of low profile, high current power inductors with three new devices in compact 0603, 0805, and 0806 case sizes. The devices combine low DCR and core losses with a low maximum height of 0.8 mm. The Vishay Dale IHHP-0603ZH-01, IHHP-0805ZH-01, and IHHP-0806ZH-01 are designed to save space and increase efficiency in Internet of Things (IoT) devices and portable electronics.

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These devices are optimized for DC/DC converters and power supply modules for notebook PCs, tablets, IoT, and other handheld battery-powered electronics. The magnetic-alloy power inductors offer low acoustic noise and provide magnetic shielding to prevent interference with nearby components.

The IHHP-0603ZH-01, IHHP-0805ZH-01, and IHHP-0806ZH-01 feature maximum DCR down to 24 mΩ, high saturation current to 5.2 A, and a heat rating current up to 4.9 A. The devices operate over a temperature range from -55 °C to +125 °C and are packaged in an RoHS-compliant, 100 % lead (Pb)-free shielded, composite powdered iron alloy construction.

Device Specification Table:
Part number IHHP-0603ZH-01 IHHP-0805ZH-01 IHHP-0806ZH-01
Case size 0603 0805 0806
Inductance @ 1 MHz (μH) 0.47 to 1.0 0.47 to 2.2 0.47 to 2.2
DCR typ. @ 25 °C (mΩ) 36 to 95 26 to 90 20 to 75
DCR max. @ 25 °C (mΩ) 43 to 110 33 to 110 24 to 90
Heat rating current typ. (A)  2.0 to 3.3 1.8 to 3.9 2.6 to 4.9
Heat rating current max. (A)  1.8 to 3.0 1.6 to 3.7 2.3 to 4.5
Saturation current typ. (A)  2.3 to 3.4 2.1 to 4.8 2.9 to 5.2
Saturation current max. (A)  2.1 to 3.1 1.9 to 4.3 2.7 to 4.7





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