What risks should I check before replacing GRM31BR73A102KW01L?

The primary risk is package mismatch; ensure any alternative is in a 1206 package to avoid board redesign. Also, verify that the replacement has an X7R dielectric, as other types like NP0 have different electrical characteristics.

GRM31BR73A102KW01L Alternatives, Datasheet & Cross Reference | Murata Manufacturing Co., Ltd.

Find and compare replacements for the Murata GRM31BR73A102KW01L, a 1nF 1kV 1206 ceramic capacitor. We've analyzed alternatives, including a potential pin-compatible upgrade with improved specifications.

AI replacement insight

Electrical risklow

Top candidates are upgrades, which is generally safe. Mismatched dielectrics (X7R vs NP0) were rejected.

Package riskhigh

Several candidates have different packages (1812, 1210). Only 1206 packages are form-fit compatible.

Sourcing risklow

Yageo is a major manufacturer, providing viable alternative sourcing to Murata.

Can it be replaced directly?

Direct replacement for GRM31BR73A102KW01L should use only Datasheet verified or Strong match candidates; many approved options still require engineering review.

Best replacement path

CC1206JKX7RDBB102 by Yageo is a strong candidate, offering a direct upgrade in voltage and tolerance within the same 1206 package.

Main risk

The main risk is selecting an alternative with a different package size, such as an 1812, which would require a circuit board redesign.

Recommended alternatives

A potential pin-compatible upgrade with a higher 2kV voltage rating and tighter 5% tolerance.

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Alternative comparison matrix

Feature / factor	GRM31BR73A102KW01L	CC1206JKX7RDBB102	CC1812KKX7RDBB102	Compatibility / risk
Package	1206 (3216 metric)	1206 (3216 metric)	1812 (4532 metric)	1206 (3216 metric) / 1812 (4532 metric) — Identical package size.; CC1812KKX7RDBB102: Larger package requires PCB layout change.
Voltage	1000.0V	2000.0V	2000.0V	2000.0V — Higher voltage rating provides increased design margin.; CC1812KKX7RDBB102: Higher voltage rating.
Tolerance	10.0%	5.0%	-	5.0% — Tighter tolerance, generally a safe upgrade.
Capacitance	1e-09F	1e-09F	1e-09F	1e-09F — Identical capacitance.; CC1812KKX7RDBB102: Identical capacitance.
Dielectric	X7R	X7R	X7R	X7R — Identical dielectric material.; CC1812KKX7RDBB102: Identical dielectric material.

Application & sourcing insights

Questions & answers

Verified drop-in options for GRM31BR73A102KW01L are limited in the current batch. Review candidates marked Strong match or Datasheet verified, and validate package, pinout, and electrical limits before committing a BOM change.