Is there a pin-compatible replacement for ERM1HM4R7D11OT?

KM475M050D11RR0VH2FP0 is a pin-compatible candidate with the same package and key electrical values, but its rated lifetime is significantly lower (1000-2000 hours vs. 10,000 hours), which is a critical downgrade risk.

What risks should I check before replacing ERM1HM4R7D11OT?

Key risks include lifetime (endurance), ripple current rating, and package type. The target has a very high 10,000-hour endurance; many alternatives are much lower. Also, verify if the replacement is radial (through-hole) or SMD (surface-mount).

ERM1HM4R7D11OT Alternatives, Datasheet & Cross Reference | AISHI

Find replacements for the AISHI ERM1HM4R7D11OT, a 4.7uF 50V radial capacitor known for its 10,000-hour endurance. Alternatives may require design changes or have different performance characteristics.

AI replacement insight

Electrical riskhigh

Most alternatives have a significantly shorter lifetime (endurance).

Package riskhigh

Many functional alternatives are SMD and require a PCB redesign.

Can it be replaced directly?

No direct, fully equivalent replacement was found. The closest physical match, KM475M050D11RR0VH2FP0, is a significant downgrade in lifetime.

Best replacement path

For existing boards, use KM475M050D11RR0VH2FP0 but validate the impact of its shorter lifetime. For new designs, consider SMD alternatives.

Main risk

The primary risk is the drastic reduction in operational lifetime from 10,000 hours to ~2,000 hours for most alternatives.

Recommended alternatives

Pin-compatible package and electricals, but with a significantly shorter operational lifetime.

View details

Alternative comparison matrix

Feature / factor	ERM1HM4R7D11OT	KM475M050D11RR0VH2FP0	RVT4.7UF100V67RV0118	Compatibility / risk
Package	Radial, 5mm x 11mm	Radial, 5mm x 11mm	SMD, 6.3mm x 5.4mm	Radial, 5mm x 11mm / SMD, 6.3mm x 5.4mm — Package dimensions and lead type match.; RVT4.7UF100V67RV0118: Requires PCB redesign (SMD vs. Radial).
Voltage	50.0V	50.0V	100.0V	50.0V / 100.0V — Voltage rating is identical.; RVT4.7UF100V67RV0118: Higher voltage rating provides more design margin.
Capacitance	4.7e-06F	4.7e-06F	4.7e-06F	4.7e-06F — Capacitance is identical.; RVT4.7UF100V67RV0118: Capacitance is identical.
Lifetime	10,000 hours @ 105°C	1000-2000 Hours @ 105°C	2000 Hours @ 105°C	1000-2000 Hours @ 105°C — Significant downgrade from target's high endurance.; RVT4.7UF100V67RV0118: Significantly shorter lifetime than target.

Application & sourcing insights

Questions & answers

The best alternative depends on your priority. For a direct physical fit, KM475M050D11RR0VH2FP0 matches the package but has a much shorter lifetime. For functional use in new designs, SMD parts like RVT4.7UF100V67RV0118 offer higher voltage but require a different PCB layout.