Is there a pin-compatible replacement for CL31A475KL9LNNC?

Yes, TCC1206X5R475K500HT is a pin-compatible replacement. It shares the same 1206 footprint and key electrical characteristics, making it a suitable drop-in substitute.

What risks should I check before replacing CL31A475KL9LNNC?

Before replacing, check three main risks: 1) Package Mismatch: Ensure the replacement is also a 1206 package to avoid PCB redesign. 2) Dielectric Difference: If using an X7R part, verify its impact on performance. 3) Voltage Rating: Ensure the replacement voltage is equal to or greater than 35V.

CL31A475KL9LNNC Alternatives, Datasheet & Cross Reference | Samsung Electro-Mechanics

CL31A475KL9LNNC is a general-purpose 4.7µF 35V 1206 ceramic capacitor from Samsung. Pin-compatible alternatives with upgraded voltage ratings are available, as are functional alternatives in different packages.

AI replacement insight

Electrical risklow

For pin-compatible parts, electrical risk is low. For others, dielectric or tolerance changes must be verified.

Package riskhigh

Functional alternates in different packages (0805, 0603) are not drop-in and require a board respin.

Can it be replaced directly?

Yes, TCC1206X5R475K500HT is a direct, pin-compatible replacement for CL31A475KL9LNNC.

Best replacement path

The best replacement is TCC1206X5R475K500HT, which is pin-compatible and offers a higher voltage rating for increased design margin.

Main risk

The main risks when substituting are package size mismatches, which require a new PCB layout, and dielectric differences (e.g., X7R vs. X5R) that can affect circuit performance.

Recommended alternatives

A pin-compatible match in a 1206 package with an upgraded 50V rating.

View details

Alternative comparison matrix

Feature / factor	CL31A475KL9LNNC	TCC1206X5R475K500HT	HGC1206R7475K500NSPJ	UMK316AB7475KL-T	Compatibility / risk
Package	1206 (3216 Metric)	1206	1206 (3216 Metric)	1206 (3216 Metric)	1206 / 1206 (3216 Metric) — Matches target package size.; HGC1206R7475K500NSPJ: Matches target package size.; UMK316AB7475KL-T: Matches target package size.
Voltage	35V	50V	50V	50V	50V — Higher voltage rating is a safe upgrade.; HGC1206R7475K500NSPJ: Higher voltage rating is a safe upgrade.; UMK316AB7475KL-T: Higher voltage rating is a safe upgrade.
Capacitance	4.7µF	4.7µF	-	-	4.7µF — Capacitance value is identical.
Dielectric	X5R	X5R	X7R	X7R	X5R / X7R — Dielectric material is identical.; HGC1206R7475K500NSPJ: X7R offers wider temp range but different DC bias effects.; UMK316AB7475KL-T: X7R offers wider temp range but different DC bias effects.
Tolerance	±10%	±10%	-	-	±10% — Tolerance is identical.
Temperature	-55°C to +85°C	-	-	-55°C to +125°C	-55°C to +125°C — Wider operating temperature range.

Application & sourcing insights

Questions & answers

The best alternative is TCC1206X5R475K500HT. It matches the 1206 package, 4.7µF capacitance, and X5R dielectric, while offering a higher 50V rating for improved reliability.