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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 |
| 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 |
Notes:
- 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.
- All materials of construction are rated for 155 degrees C continuous service.
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