Is there a pin-compatible replacement for ERS1HM471G20OT?

Yes, parts like CX KM477M050G20RR0VH2FP0 are pin-compatible, matching the 10x20mm size and 5mm lead spacing. However, you must verify secondary parameters like lifetime (2000h vs. target's 4000h+) to ensure it meets your application's reliability requirements.

What risks should I check before replacing ERS1HM471G20OT?

Key risks include: 1) Package Risk: Ensure the replacement's diameter, length, and lead spacing fit your PCB layout. 2) Electrical Risk: Verify that the candidate's lifetime, ripple current, and ESR are suitable for your circuit. 3) Sourcing Risk: Check stock and lead times for the chosen alternative.

ERS1HM471G20OT Alternatives, Datasheet & Cross Reference | AISHI

Finding a substitute for the AISHI ERS1HM471G20OT 470µF 50V aluminum capacitor involves checking physical size, voltage rating, and lifetime. Several alternatives exist, including upgrades and pin-compatible options with specific trade-offs.

AI replacement insight

Package riskhigh

Many alternatives have different diameters or lead spacing.

Electrical riskmedium

Lifetime is a common downgrade and must be verified for the application.

Sourcing risklow

This is a common capacitor value with many manufacturers.

Can it be replaced directly?

No perfect drop-in replacement found. Pin-compatible options have a shorter lifetime, while upgraded parts are physically larger. Review of application requirements is necessary.

Best replacement path

Upgrade to AISHI ERS1JM471K20OT if the 3mm larger diameter is acceptable.

Main risk

Physical package size and rated lifetime are the primary risks when substituting this part.

Recommended alternatives

Upgraded voltage and lifetime from the same manufacturer, but check for physical clearance due to a larger diameter.

View details

Alternative comparison matrix

Feature / factor	ERS1HM471G20OT	ERS1JM471K20OT	KM477M050G20RR0VH2FP0	Compatibility / risk
Package	Radial, 10mm x 20mm	Radial, 13mm x 20mm	-	Radial, 10mm x 20mm — Physically compatible size and lead spacing.
Voltage	50V	63V	-	50V — Voltage rating matches.
Lifetime	4000-10000h @ 105°C	10000h @ 105°C	-	2000h @ 105°C — Significantly shorter lifetime.
Pinout	5mm	5mm	-	5mm — Lead spacing matches target.

Application & sourcing insights

Questions & answers

The best alternative depends on your design constraints. AISHI's ERS1JM471K20OT offers an upgrade in voltage and lifetime but is physically wider. For a pin-compatible option, CX's KM477M050G20RR0VH2FP0 matches the form factor but has a shorter rated lifetime.