Is there a pin-compatible replacement for CGA0603X7R683K500JT?

Yes, several capacitors share the 0603 package and pinout. However, they have different capacitance values (e.g., 100nF vs 68nF), so they are functional or parametric alternatives, not direct drop-in replacements. Electrical performance must be verified.

What risks should I check before replacing CGA0603X7R683K500JT?

The main risk is the change in capacitance. Using a 100nF capacitor instead of 68nF can affect timing circuits, filters, or loop stability. Always verify the impact on your specific application. Also check for any changes in tolerance or temperature characteristics.

CGA0603X7R683K500JT Alternatives, Datasheet & Cross Reference | HRE

Finding a substitute for the HRE CGA0603X7R683K500JT 68nF capacitor involves checking key parameters. While no direct 68nF matches were found, several 100nF capacitors in the same 0603 package are available and may work after engineering review.

AI replacement insight

Electrical riskmedium

Capacitance differs, requiring circuit analysis.

Package risklow

All candidates share the same 0603 package.

Can it be replaced directly?

There are no direct, drop-in replacements with the same 68nF capacitance among the reviewed candidates. All suitable alternatives have a higher capacitance of 100nF and require engineering validation.

Best replacement path

For decoupling, consider a higher capacitance part like HMK107B7104KAHT (100nF/100V). For filtering/timing, a direct capacitance match is critical and none were found here.

Main risk

Capacitance mismatch is the primary risk, potentially altering circuit behavior like filter characteristics or timing constants.

Recommended alternatives

AEC-Q200 qualified upgrade with higher 100V rating, but capacitance is 100nF.

View details

Alternative comparison matrix

Feature / factor	CGA0603X7R683K500JT	HMK107B7104KAHT	TCC0603X7R104J500CT	TCC0603X7R104M500CT	Compatibility / risk
Package	0603 (1608 Metric)	0603 (1608 metric)	0603 (1608 Metric)	0603 (1608 Metric)	0603 (1608 metric) / 0603 (1608 Metric) — Form and fit are matched.; TCC0603X7R104J500CT: Form and fit are matched.; TCC0603X7R104M500CT: Form and fit are matched.
Voltage	50.0 V	100.0 V	50.0 V	50.0 V	100.0 V / 50.0 V — Higher voltage rating provides more margin.; TCC0603X7R104J500CT: Voltage rating is identical.; TCC0603X7R104M500CT: Voltage rating is identical.
Capacitance	68 nF	100 nF	100 nF	100 nF	100 nF — Higher capacitance may be acceptable for decoupling but requires review for timing/filtering.; TCC0603X7R104J500CT: Higher capacitance may be acceptable for decoupling but requires review for timing/filtering.; TCC0603X7R104M500CT: Higher capacitance may be acceptable for decoupling but requires review for timing/filtering.
Application	Commercial	AEC-Q200	-	-	AEC-Q200 — Automotive grade is an upgrade over commercial.
Tolerance	±10.0%	-	±5.0%	±20.0%	±5.0% / ±20.0% — Tighter tolerance is an upgrade.; TCC0603X7R104M500CT: Wider tolerance is a downgrade.
Dielectric	X7R	-	-	X7R	X7R — Dielectric material matches.

Application & sourcing insights

Questions & answers

The TAIYO YUDEN HMK107B7104KAHT is a strong candidate. It offers a higher 100V rating and is AEC-Q200 qualified, but has a higher 100nF capacitance that requires circuit validation.