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HLS Series 4-Terminal Standard Inductor

HLS Series 4-Terminal Standard Inductor

These series of inductors are solid type four(4) terminal standard inductors for calibration of LCR Meters.
The series are very convenient to use in the field because they are designed to be small sized and light weighted than conventional standard inductors. Also, the series are connectable to LCR Meters directly due to their BNC construction.


  • Best suitable in using for calibration of LCR Meters due to their four(4) terminal construction.
  • Very convenient in using for calibration at the field due to their small size and light weight.
  • Excellent in characterization for current and voltage due to having used of air cored coil.
  • Being closely packed in metal case, the units are resistive against external magnetic field.


Description/ModelHLS100A HLS101AHLS102AHLS103AHLS104AHLS106A
Nominal value 10µH100µH 1mH10mH100mH1H
Accuracy*1 ±1% ±0.25% ±0.1% ±0.1% ±0.1% ±0.1%
Temperature Coefficient*1±30ppm/ÁC
Long Term Drift Below ±100ppm/year
Resonance Frequency30MHz 3.5MHz 1MHz300kHz130kHz45kHz
DC Resistance 0.30Ω0.90Ω2.8Ω36.5Ω 352Ω2910Ω
Maximum Rating 2000mA2000mA1000mA200mA50mA20mA
Dimensions(W/H/D)About 142 / 88 / 85
About 142 / 88 / 130

*1 Value at 1 kHz

  • Open and short fixture are available as option.
  • Specifications are subject to change without notice due to improvement
  • SunJEM will design products to meet your individual requirements.
    Please feel free to consult with us for products other than ready-made ones.