TT Electronics’ SMT Inductors Serve Advanced Industrial Applications

August 27, 2019 Alix Paultre

TT Electronics released two surface-mount (SMT) power inductors: the HM66M series for high-frequency power conversion and EMI filter applications, and the HM78M series for high-density and high-frequency DC-DC converter applications. The HM66M series power inductors serve industrial and telecommunications applications, and the HM66M is a shielded, miniature low-profile inductor that integrates a ferrite material core for significant permeability and temperature advantages.

Characterized by low losses at high frequencies, these inductors are suited for power supplies and frequency converters that operate with fast switching power semiconductors on a GaN basis. Power inductance is optimized within a frequency range from 700kHz to 4MHz, in systems requiring switching frequencies up to 4MHz and operating temperatures at 125°C. The HM66M series is offered in three standard case sizes: 60, 70, and 84.

HM78M series power inductors are shielded, ferrite-based devices designed for use in high-frequency DC-DC converter configurations. Offering high inductance and current values, these power inductors have a switching frequency configuration range from 100kHz to 3MHz, making them suitable as a buck converter or an EMI filter. The HM78M series comes in two standard package sizes: 10 and 20. Semi-custom designs of both the HM66M and HM78M are also available to meet special requests.

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