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Eaton PHVL-3R9H255-R - 3.9 V 2.5 F Pack Supercapacitor
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pEaton PHVL-3R9H255-R — supercapacitor, 2.5 F, 3.9 V rated./p
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Eaton PHVL-3R9H255-R - 3.9 V 2.5 F Pack Supercapacitor
The PHVL-3R9H255-R from Eaton stores 2.5 F, rated 3.9 V, ESR 0.08 Ω.
Technical Data
| Parameter | Rating |
|---|---|
| Parameter | Value |
| Orderable part number | PHVL-3R9H255-R |
| Capacitance | 2.5 F |
| Maximum working voltage | 3.9 V |
| Maximum ESR | 0.08 Ω |
| Stored energy | 5.28 mWh at rated voltage |
| Capacitance tolerance | -20%/+80% |
| Case | pack, see drawing |
| Operating temperature | -25 to +70 °C |
| Terminals | wire lead |
| Series | PHVL - Pack |
| 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.
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