What risks should I check before replacing CGA1206X7R104K251NT?

Before replacing, verify the voltage rating of any substitute. While a higher voltage is generally safe, ensure it doesn't negatively impact other circuit parameters. For alternatives with different packages (e.g., 1210, 0805) or dielectrics (e.g., X7T), PCB layout and temperature performance must be re-evaluated.

CGA1206X7R104K251NT Alternatives, Datasheet & Cross Reference | HRE

The HRE CGA1206X7R104K251NT is a common 100nF, 250V, 1206 ceramic capacitor. Several pin-compatible alternatives with higher voltage ratings are available, offering an easy upgrade path for improved voltage tolerance.

AI replacement insight

Electrical risklow

Upgrading voltage is a safe margin increase for most applications.

Package riskhigh

High risk if not selecting a 1206 package; requires PCB redesign.

Sourcing risklow

100nF 1206 capacitors are widely available from many vendors.

Can it be replaced directly?

Direct replacement for CGA1206X7R104K251NT should use only Datasheet verified or Strong match candidates; many approved options still require engineering review.

Best replacement path

Upgrade to a higher voltage part in the same 1206 package, such as HRE's CGA1206X7R104K501NT (500V) or CCTC's TCC1206X7R104K501HT (500V).

Main risk

The main risk is selecting a part with an incompatible package size or a different dielectric material (like X7T), which would require board redesign or performance re-validation.

Recommended alternatives

A pin-compatible upgrade from the same manufacturer and series with a higher 500V rating.

View details

Alternative comparison matrix

Feature / factor	CGA1206X7R104K251NT	CGA1206X7R104K501NT	TCC1206X7R104K501HT	CGA1210X7R104K631QT	Compatibility / risk
Manufacturer	HRE	HRE	-	-	HRE — Same manufacturer and series (CGA).
Package	1206	1206	-	-	1210 (3225 Metric) — Larger package requires PCB layout change.
Voltage	250V	500V	-	-	630V — Higher voltage rating.
Electricals	100nF, ±10%, X7R	100nF, ±10%, X7R	-	-	100nF, ±10%, X7R — Capacitance, tolerance, and dielectric are identical.

Application & sourcing insights

Questions & answers

Verified drop-in options for CGA1206X7R104K251NT 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.