Common-mode choke coils are useful in a wide range of applications for the prevention of electromagnetic interference (EMI) and radio frequency interference (RFI) from power supply lines and for prevention of malfunctioning of various electronic equipment. Features include low leakage flux, high self-resonant frequency, high impedance at applicable frequency and low stray capacitance in section winding.
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Connection and Pin Mounting

UT/ET Series Common Mode Inductors

Connection and Pin Mounting

UT/ET Series Common Mode Inductors

Connection and Pin Mounting

UT/ET Series Common Mode Inductors

Connection and Pin Mounting

UT/ET Series Common Mode Inductors

Connection and Pin Mounting

UT/ET Series Common Mode Inductors
Description N/A Common-mode choke coils are useful in a wide range of applications for the prevention of electromagnetic interference (EMI) and radio frequency interference (RFI) from power supply lines and for prevention of malfunctioning of various electronic equipment. Features include low leakage flux, high self-resonant frequency, high impedance at applicable frequency and low stray capacitance in section winding.
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Configuration Type N/A Vertical
Min. Inductance N/A 9.00 mH N/A 4.50 mH N/A 2.50 mH N/A 1.10 mH N/A 0.45 mH
Max. Inductance Difference N/A 300 µH N/A 250 µH N/A 200 µH N/A 150 µH N/A 100 µH
Max. DCR N/A 1.4 Ohm N/A 0.75 Ohm N/A 0.4 Ohm N/A 0.25 Ohm N/A 0.13 Ohm
Current Rating N/A 0.50 A N/A 0.6 A N/A 0.7 A N/A 0.9 A N/A 1.00 A
Width (W) N/A 23 mm
Max. Width (W) N/A
Length (L) N/A 18.5 mm
Max. Length (L) N/A
Height (H) N/A 23.5 mm
Max. Height (H) N/A
Pin Mounting (A) N/A 13.0 mm
Nominal Pin Mounting (A) N/A
Pin Mounting (B) N/A 10.0 mm
Nominal Pin Mounting (B) N/A
Weight N/A 0.52 oz
Rated Voltage (AC) N/A 250 V
Max. Temperature Rise N/A 45 ºC
Min. Insulation Resistance N/A 100 mOhm
Operating Temperature Range N/A -20 to 105 ºC
Dielectric Withstanding Voltage (AC) N/A 2,000 V
Industry Standards N/A CSA IEC UL
Technical Notes N/A
  1. The inductance difference measures between the coil L1 and L2.
Features N/A Low Leakage Flux
High Self-Resonant Frequency
High Impedance at Applicable Frequency
Low Stray Capacitance in Section Winding