Is there a pin-compatible replacement for GJM1555C1H430FB01D?

Yes, several parts like GJM1555C1H470FB01D are pin-compatible in the same 0402 package. However, they are not electrically identical, with different capacitance values. You must review these electrical differences.

What risks should I check before replacing GJM1555C1H430FB01D?

The main risk is a change in circuit performance due to capacitance mismatch. The target is a 43pF capacitor; using a 47pF or 39pF part will alter filter frequencies, impedance matching, or timing constants. Always verify in-system.

GJM1555C1H430FB01D Alternatives, Datasheet & Cross Reference | Murata Manufacturing Co., Ltd.

GJM1555C1H430FB01D is a precision 43pF High-Q ceramic capacitor in an 0402 package. While no exact drop-in replacement is available, several parametric alternatives exist that require engineering review for capacitance differences.

AI replacement insight

Electrical risklow

Capacitance differs by ~9%. Requires validation in RF or timing circuits.

Package risklow

Top candidates share the same 0402 package, ensuring physical compatibility.

Can it be replaced directly?

No exact, drop-in replacement with identical parameters was found. The closest alternatives have slightly different capacitance values.

Best replacement path

The best path is to evaluate GJM1555C1H470FB01D, which matches all key specs except for a +9.3% higher capacitance. This requires circuit analysis or testing.

Main risk

The primary risk is the capacitance deviation, which can shift the frequency response or timing of the circuit.

Recommended alternatives

A close parametric alternative with identical package, voltage, and tolerance, but higher capacitance.

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Alternative comparison matrix

Feature / factor	GJM1555C1H430FB01D	GJM1555C1H470FB01D	GJM1555C1H390GB01D	Compatibility / risk
Package	0402 (1005 metric)	0402 (1005 metric)	0402 (1005 metric)	0402 (1005 metric) — Identical package ensures form-fit compatibility.; GJM1555C1H390GB01D: Identical package ensures form-fit compatibility.
Voltage	50.0V	50.0V	50.0V	50.0V — Voltage rating is identical and sufficient.; GJM1555C1H390GB01D: Voltage rating is identical.
Capacitance	43 pF	47 pF	39 pF	47 pF / 39 pF — Capacitance is ~9.3% higher, requires circuit validation.; GJM1555C1H390GB01D: Capacitance is ~9.3% lower, requires circuit validation.
Tolerance	±1.0%	±1.0%	±2.0%	±1.0% / ±2.0% — Precision tolerance is matched.; GJM1555C1H390GB01D: Tolerance is weaker than the target's ±1%.
Application	GJM (High-Q)	GJM (High-Q)	-	GJM (High-Q) — Both are from the same High-Q series for RF applications.

Application & sourcing insights

Questions & answers

The best alternative is GJM1555C1H470FB01D. It matches the package, voltage, tolerance, and High-Q series, but has a slightly higher capacitance of 47pF that must be verified for your application.