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Eaton ACE2V3225-101-R - 80 uH Automotive CM Choke, 3.12 Ohm DCR
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pEaton ACE2V3225-101-R — 80 uH common-mode choke./p
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Eaton ACE2V3225-101-R - 80 uH Automotive CM Choke, 3.12 Ohm DCR
The ACE2V3225-101-R from Eaton provides 80 uH, reaches 1500 ohm min / 3000 typ @10 MHz, DCR 3.12 ohm, rated 100 mA.
Technical Data
| Parameter | Rating |
|---|---|
| Parameter | Value |
| Orderable part number | ACE2V3225-101-R |
| Common-mode impedance Z | 1500 ohm min / 3000 typ @10 MHz |
| Common-mode inductance | 80 uH |
| DCR maximum @ +25 °C | 3.12 ohm |
| Idc maximum | 100 mA |
| Rated voltage | 50 Vdc |
| Insulation resistance | 10 Mohm minimum |
| Withstanding voltage | 125 Vdc |
| Case | 3.3 x 2.5 mm |
| Terminals | SMD, 4-pin |
| RoHS | Compliant (-R suffix) |
Practical 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 3.12 ohm DCR, voltage lost across the choke grows with load current.
- Keep the working current under 100 mA; saturation collapses the impedance.
Application Scenarios
Common installation contexts include:
- EV
- automotive
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