Is there a pin-compatible replacement for 0805B681K500NT?

Yes, many 0805-packaged capacitors are pin-compatible. However, electrical parameters like capacitance must also match. For example, 0805B102K500NT is pin-compatible but has a higher capacitance of 1nF.

What risks should I check before replacing 0805B681K500NT?

The main risk is capacitance mismatch. Using a capacitor with a different value can affect circuit timing, filter characteristics, or power supply stability. Always verify the new capacitance is acceptable for your design.

0805B681K500NT Alternatives, Datasheet & Cross Reference | Guangdong Fenghua Advanced Technology Holding Co., Ltd.

Finding a substitute for the FH 0805B681K500NT, a 680pF 50V 0805 MLCC, requires careful matching of capacitance. While several parts share the same package, their capacitance values differ, requiring circuit-level verification.

AI replacement insight

Electrical riskhigh

Capacitance is a critical parameter; deviation requires circuit analysis.

Package risklow

Candidates with matching 0805 packages are physically compatible.

Can it be replaced directly?

No direct, verified drop-in replacement was found in this batch. All candidates with the correct component type have different capacitance values.

Best replacement path

Search for an MLCC with exactly 680pF, ≥50V, X7R dielectric, and 0805 package from other manufacturers.

Main risk

The primary risk is functional failure due to capacitance mismatch, which can alter the circuit's intended behavior.

Recommended alternatives

Functional alternate in the same 0805 package and 50V rating, but with higher capacitance (1nF).

View details

Alternative comparison matrix

Feature / factor	0805B681K500NT	0805B102K500NT	0805B103K101NT	Compatibility / risk
Package	0805	0805	0805	0805 — Form factor matches.; 0805B103K101NT: matched
Capacitance	680pF	1nF	10nF	1nF / 10nF — Candidate capacitance is ~47% higher.; 0805B103K101NT: Capacitance is over an order of magnitude higher.
Voltage	50V	50V	100V	50V / 100V — matched; 0805B103K101NT: Higher voltage rating is a safe upgrade.
Dielectric	X7R	X7R	X7R	X7R — matched; 0805B103K101NT: matched
Tolerance	±10%	±10%	-	±10% — matched

Application & sourcing insights

Questions & answers

A true drop-in replacement would have the same 680pF capacitance, 50V rating, X7R dielectric, and 0805 package. Candidates with different capacitance, like 0805B102K500NT (1nF), may work in some applications but require engineering review.