Is there a pin-compatible replacement for 63YXJ100M10X12.5?

Yes, the Rubycon 63YXF100MEFC10X12.5 is a pin-compatible replacement. It shares the same 10mm diameter, 12.5mm height, and 5mm lead spacing, allowing it to be a drop-in substitute on a PCB.

What risks should I check before replacing 63YXJ100M10X12.5?

Before replacing, check three main risks: 1) Physical dimensions (diameter, height) to ensure it fits. 2) Pinout (lead spacing) to ensure it aligns with the PCB holes. 3) Electrical parameters like ripple current and ESR to ensure it meets the circuit's demands.

63YXJ100M10X12.5 Alternatives, Datasheet & Cross Reference | rubycon

Finding a substitute for the Rubycon 63YXJ100M10X12.5, a 100µF 63V radial capacitor, requires matching its 10x12.5mm size and key electricals. Several alternatives exist, with the Rubycon 63YXF100MEFC10X12.5 being a strong pin-compatible option.

AI replacement insight

Package riskmedium

Many alternatives are taller or have different lead spacing, requiring a physical fit check.

Electrical risklow

Primary values are common, but secondary parameters like ESR and ripple current should be compared.

Can it be replaced directly?

Yes, the Rubycon 63YXF100MEFC10X12.5 is a direct, pin-compatible replacement for the 63YXJ100M10X12.5.

Best replacement path

The Rubycon 63YXF100MEFC10X12.5 is the best path, being a form, fit, and function match with minor performance upgrades.

Main risk

The main risk when substituting is physical incompatibility. Many alternatives have different dimensions (especially height) or lead spacing.

Recommended alternatives

Excellent pin-compatible alternative from the same manufacturer with identical dimensions and improved electricals.

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Alternative comparison matrix

Feature / factor	63YXJ100M10X12.5	63YXF100MEFC10X12.5	100YXJ100M10X20	KF101M063G125A	Compatibility / risk
Capacitance	100 µF	100 µF	100 µF	100 µF	100 µF — Exact match.; 100YXJ100M10X20: Exact match.; KF101M063G125A: Exact match.
Voltage	63 V	63 V	100 V	63 V	63 V / 100 V — Exact match.; 100YXJ100M10X20: Higher voltage rating provides more margin.; KF101M063G125A: Exact match.
Package	10mm x 12.5mm	10mm x 12.5mm	10mm x 20mm	10mm x 16mm	10mm x 12.5mm / 10mm x 20mm / 10mm x 16mm — Identical case size and lead spacing.; 100YXJ100M10X20: Significantly taller package.; KF101M063G125A: Taller package.
Ripple Current	725 mA	770 mA	-	810 mA	770 mA / 810 mA — Slightly higher ripple current capability.; KF101M063G125A: Higher ripple current capability.
Impedance	0.19 Ω	0.12 Ω	-	-	0.12 Ω — Lower impedance is generally favorable.

Application & sourcing insights

Questions & answers

The best alternative is the Rubycon 63YXF100MEFC10X12.5. It is from the same manufacturer, has an identical package size (10x12.5mm), and offers slightly better electrical performance like lower impedance.