2 mH SMD common mode choke

12 Amp Common Mode Choke (503 Series)

West Coast Magnetics’ 503 series common mode chokes provide excellent noise attenuation in a small surface mount design. Typical common mode noise impedance is 1 kOhm from 300 kHz to 30 MHz. With a continuous RMS current rating of up to 12 amps, this common mode choke can actually handle a peak current of 30 amps for a short duration of time. These chokes are available in tape and reel at larger quanties.

Part NumberL min(µH)Lkg max (µH)DCR Nominal mOhmsRated RMS Current (amps)Hypot Vac
503-1128010.91971.41500
503-28577.71051.91500
503-35195.4522.71500
503-43204.0263.81500
503-51692.2125.61500
503-695.31.46.07.91500
503-742.30.792.611.91500

503schematic


Product CodeLWH
(max)
X1X2l1l2
503-10.63/16.00.55/14.0.34/8.60.53/13.50.34/8.60.175/4.50.06/1.5
503-20.63/16.00.55/14.0.34/8.60.53/13.50.34/8.60.175/4.50.06/1.5
503-30.63/16.00.55/14.0.34/8.60.53/13.50.34/8.60.175/4.50.06/1.5
503-40.63/16.00.55/14.0.35/8.90.53/13.50.34/8.60.175/4.50.06/1.5
503-50.63/16.00.55/14.0.35/8.90.53 /13.50.34/8.60.175/4.50.06/1.5
503-60.63/16.00.55/14.0.36/9.10.53 /13.50.34/8.60.175/4.50.06/1.5
503-70.63/16.00.55/14.0.36/9.10.53/13.50.34/8.60.175/4.540.06/1.5

503graph1-4

Notes:

  1. The RMS current rating on this datasheet will lead to an approximate 40 degrees C temperature rise above ambient. These chokes will handle up to 2.5 times this current for a short duration.
  2. All materials of construction are rated for 155 degrees C continuous service.

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