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Eaton PHVL-3R9H474-R 3.9 V 470 mF Supercapacitor - PHVL Series
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pEaton PHVL-3R9H474-R — supercapacitor, 470 mF, 3.9 V rated./p
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Eaton PHVL-3R9H474-R 3.9 V 470 mF Supercapacitor - PHVL Series
Eaton PHVL-3R9H474-R 3.9 V 470 mF Supercapacitor - PHVL Series belongs to the Eaton range. It stores 470 mF, rated 3.9 V, ESR 0.4 Ω.
Technical Data
| Parameter | Rating |
|---|---|
| Parameter | Value |
| Orderable part number | PHVL-3R9H474-R |
| Capacitance | 470 mF |
| Maximum working voltage | 3.9 V |
| Maximum ESR | 0.4 Ω |
| Stored energy | 0.993 mWh at rated voltage |
| Capacitance tolerance | -20%/+80% |
| Operating temperature | -25 to +70 °C |
| Case | pack, see drawing |
| Terminals | wire lead |
| Series | PHVL - Pack |
| RoHS | Compliant (-R suffix) |
Design 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.
Where It Is Used
Typical places this supercapacitor turns up:
- battery
- EV
- charger
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