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Eaton HB0820-2R5305-R - 2.5 V 3 F Cylindrical Cell Supercapacitor
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pEaton HB0820-2R5305-R — supercapacitor, 3 F, 2.5 V rated./p
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Eaton HB0820-2R5305-R - 2.5 V 3 F Cylindrical Cell Supercapacitor
Built by Eaton, the HB0820-2R5305-R stores 3 F, rated 2.5 V, ESR 0.16 Ω.
Technical Data
| Parameter | Rating |
|---|---|
| Parameter | Value |
| Orderable part number | HB0820-2R5305-R |
| Capacitance | 3 F |
| Maximum working voltage | 2.5 V |
| Maximum ESR | 0.16 Ω |
| Stored energy | 2.6 mWh at rated voltage |
| Capacitance tolerance | -10%/+30% |
| Operating temperature | -25 to +70 °C |
| Case | Ø8 x 20 mm (nominal) |
| Terminals | axial lead |
| Series | HB - Cylindrical Cell |
| RoHS | Compliant (-R suffix) |
Selection 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.
Typical Applications
Engineers usually specify it for these duties:
- battery
- EV
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