Vishay Introduces New Low-Profile, High-Current Power Inductors

Vishay Intertechnology

MALVERN, PA — Vishay Intertechnology, Inc. (NYSE: VSH) recently announced that it has expanded its IHHP series of low-profile, high-current power inductors with three new devices in compact 0603, 0805, and 0806 case sizes. Combining 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.

The devices reportedly 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) (¹) 2.0 to 3.3 1.8 to 3.9 2.6 to 4.9
Heat rating current max. (A) (¹) 1.8 to 3.0 1.6 to 3.7 2.3 to 4.5
Saturation current typ. (A) (²) 2.3 to 3.4 2.1 to 4.8 2.9 to 5.2
Saturation current max. (A) (²) 2.1 to 3.1 1.9 to 4.3 2.7 to 4.7
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(¹DC current (A) that will cause an approximate ΔT of 40 °C
(²DC current (A) that will cause L to drop approximately 30 %

The Company stated that samples and production quantities of the new inductors are available now, with lead times of 14 weeks for large orders.

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