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 Number L min(µH) Lkg max (µH) DCR Nominal mOhms Rated RMS Current (amps) Hypot Vac
503-1 1280 10.9 197 1.4 1500
503-2 857 7.7 105 1.9 1500
503-3 519 5.4 52 2.7 1500
503-4 320 4.0 26 3.8 1500
503-5 169 2.2 12 5.6 1500
503-6 95.3 1.4 6.0 7.9 1500
503-7 42.3 0.79 2.6 11.9 1500

503schematic


Product Code L W H
(max)
X1 X2 l1 l2
503-1 0.63/16.0 0.55/14.0 .34/8.6/0.53 13.5/0.34 8.6/0.175 4.5/0.06 1.5
503-2 0.63/16.0 0.55/14.0 .34/8.6/0.53 13.5/0.34 8.6/0.175 4.5/0.06 1.5
503-3 0.63/16.0 0.55/14.0 .34/8.6/0.53 13.5/0.34 8.6/0.175 4.5/0.06 1.5
503-4 0.63/16.0 0.55/14.0 .35/8.9/0.53 13.5/0.34 8.6/0.175 4.5/0.06 1.5
503-5 0.63/16.0 0.55/14.0 .35/8.9/0.53 13.5/0.34 8.6/0.175 4.5/0.06 1.5
503-6 0.63/16.0 0.55/14.0 .36/9.1/0.53 13.5/0.34 8.6/0.175 4.5/0.06 1.5
503-7 0.63/16.0 0.55/14.0 .36/9.1/0.53 13.5/0.34 8.6/0.175 4.54/0.06 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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