
A strong functional alternative with matching ESR and higher voltage, but requires review of its lower ripple current rating.
HG1V477M1012PC is a high-performance 470µF 35V aluminum polymer capacitor with very low ESR, ideal for demanding applications. Finding a direct replacement is challenging, and alternatives require careful engineering review of electrical and physical parameters.
Mismatch in capacitor technology (Polymer vs. Electrolytic) leads to significant differences in ESR and ripple current.
While diameters are consistent, many alternatives are physically taller, which can cause mechanical interference.
No direct drop-in replacement was found. The target is a high-performance polymer capacitor, and all reviewed alternatives are a different technology. The closest option requires engineering validation.
JBLH2471M050E180RLM 470UF 50V is the best available path, acting as a functional alternative. Its ESR is a near-perfect match, but its lower ripple current rating must be validated for the specific application.
The primary risk is replacing a high-performance polymer capacitor with a standard electrolytic type, which typically results in much higher ESR and lower ripple current handling, potentially causing circuit malfunction or failure.

A strong functional alternative with matching ESR and higher voltage, but requires review of its lower ripple current rating.
| Feature / factor | HG1V477M1012PC | JBLH2471M050E180RLM 470UF 50V | LKML3002A471MF | Alt 3 | Compatibility / risk |
|---|---|---|---|---|---|
| Technology | Aluminum Polymer | Aluminum Electrolytic (Low ESR) | Aluminum Electrolytic | Aluminum Electrolytic (Low ESR) — Target is Polymer, candidate is a high-performance electrolytic. Performance is close but not identical.; LKML3002A471MF: Standard electrolytic is a significant downgrade from Polymer. | |
| Voltage | 35V | 50V | 100V | 50V / 100V — Higher voltage rating provides more design margin.; LKML3002A471MF: Significantly higher voltage rating provides a large safety margin. | |
| Esr | 28 mΩ | 30 mΩ | Unknown | 30 mΩ / Unknown — Excellent ESR match, critical for high-frequency applications.; LKML3002A471MF: ESR is not specified but expected to be much higher than target. | |
| Ripple Current | 3800 mA | 2900 mA | Unknown | 2900 mA / Unknown — Lower ripple current handling is a key risk and must be verified against application requirements.; LKML3002A471MF: Ripple current is not specified but expected to be much lower. | |
| Temperature | -55°C to +105°C | -55°C to +105°C | -55°C to +105°C | -55°C to +105°C — Operating temperature range matches.; LKML3002A471MF: Operating temperature range matches. |
The best alternative found is JBLH2471M050E180RLM 470UF 50V. It has a nearly identical ESR and higher voltage rating, but its lower ripple current capability must be verified for your application.