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Eaton M0820-2R5205-R 2 F Cylindrical Cell Supercapacitor, 2.5 V
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pEaton M0820-2R5205-R — supercapacitor, 2 F, 2.5 V rated./p
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Eaton M0820-2R5205-R 2 F Cylindrical Cell Supercapacitor, 2.5 V
The M0820-2R5205-R from Eaton stores 2 F, rated 2.5 V, ESR 0.075 Ω.
Technical Data
| Parameter | Rating |
|---|---|
| Parameter | Value |
| Orderable part number | M0820-2R5205-R |
| Capacitance | 2 F |
| Maximum working voltage | 2.5 V |
| Stored energy | 1.74 mWh at rated voltage |
| Maximum ESR | 0.075 Ω |
| Capacitance tolerance | -20%/+80% |
| Operating temperature | -40 to +60 °C |
| Case | Ø8 x 20 mm (nominal) |
| Terminals | axial lead |
| Series | M - Cylindrical Cell |
| RoHS | Compliant (-R suffix) |
Practical Notes
- Watch the voltage derating curve before sizing the bank.
- Series resistance and cell balancing affect usable life.
- Confirm terminal torque and busbar alignment at assembly.
- Cells in series need balancing — imbalance shortens the whole string.
- Keep the string voltage under the module rating at end of charge, not just nominal.
Application Scenarios
Common installation contexts include:
- EV
- charger
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