Cores for Low Frequency Noise: TRM Series

Manganese-Zinc based ferrite cores for low frequency conductive and radiated noise

  • High impedance noise filter for low frequency (kHz to MHz) range

  • Turning the cable around the core increases effectiveness by a power of 2 (N²) while decreasing the frequency

  • Blue-green epoxy coating helps with identification and with rounding edges to reduce load on cable

  • Operating temperature -40 ~ 85 °C

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Cores for Low Frequency Noise: TRM Series
TRM Series - Dimension
Part No. A B C
TRM-16-8-16E-WE 17.0 7.1 16.9
TRM-20-10-10E-WE 21.0 9.1 10.9
TRM-25-15-12E-WE 26.0 14.1 12.9
TRM-31-20-15E-WE 32.1 19.0 15.9
TRM-38-19-13E-WE 39.2 17.9 14.0
TRM-47-27-15E-WE 48.5 25.7 16.3
Unit:mm
Part No. Impedance Ω/100MHz (1Turn)
TRM-16-8-16E-WE ≥70
TRM-20-10-10E-WE ≥35
TRM-25-15-12E-WE ≥35
TRM-31-20-15E-WE ≥30
TRM-38-19-13E-WE ≥35
TRM-47-27-15E-WE ≥25

Impedance vs Frequency Characteristics

Turn Colors
Impedance: TRM-16-8-16E-WE
Impedance: TRM-20-10-10E-WE
Impedance: TRM-25-15-12E-WE
Impedance: TRM-31-20-15E-WE
Impedance: TRM-38-19-13E-WE
Impedance: TRM-47-27-15E-WE

* Specifications and dimensions are subject to change without notice for product improvement.

KGS Ferrite Cores Support Changing Factory Requirements Towards Industry 4.0

Advancements in communication technologies have made it possible to transmit more data at high speeds, allowing industrial equipment to perform simple to complex tasks. In addition, the introduction of Artificial Intelligence (AI) in the factory setting is being considered to further improve productivity.

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