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Eaton ACE1V4532-220-R - 22 uH Automotive CM Choke, 1 Ohm DCR
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pEaton ACE1V4532-220-R — 22 uH common-mode choke./p
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Eaton ACE1V4532-220-R - 22 uH Automotive CM Choke, 1 Ohm DCR
Built by Eaton, the ACE1V4532-220-R provides 22 uH, reaches 500 ohm min / 1000 typ @10 MHz, DCR 1 ohm, rated 200 mA.
Technical Data
| Parameter | Rating |
|---|---|
| Parameter | Value |
| Orderable part number | ACE1V4532-220-R |
| Common-mode inductance | 22 uH |
| Common-mode impedance Z | 500 ohm min / 1000 typ @10 MHz |
| DCR maximum @ +25 °C | 1 ohm |
| Idc maximum | 200 mA |
| Rated voltage | 50 Vdc |
| Insulation resistance | 10 Mohm minimum |
| Withstanding voltage | 10 Vdc |
| Case | 4.5 x 3.2 mm |
| Terminals | SMD, 4-pin |
| RoHS | Compliant (-R suffix) |
Selection Notes
- Common-mode impedance rises with frequency, so the part is chosen by the band it must suppress.
- Differential-mode noise is not addressed by a common-mode choke alone.
- DCR adds to the supply drop — check it against the current budget.
- Winding capacitance sets how well high-frequency noise is blocked.
- At 1 ohm DCR, voltage lost across the choke grows with load current.
- Keep the working current under 200 mA; saturation collapses the impedance.
Typical Applications
Engineers usually specify it for these duties:
- automotive
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