Is there a pin-compatible replacement for 1206B101K102CT?

No, a directly verified pin-compatible replacement is not listed. While several candidates share the 1206 package, they have electrical differences in capacitance or dielectric type that require engineering validation before use.

What risks should I check before replacing 1206B101K102CT?

Before replacing, verify the impact of any change in capacitance value, tolerance, and especially the dielectric material (e.g., X7R vs. COG/NPO), as this affects performance over temperature and voltage.

1206B101K102CT Alternatives, Datasheet & Cross Reference | Walsin Technology Corporation

Finding a substitute for the Walsin 1206B101K102CT, a 100pF 1kV X7R capacitor in a 1206 package, requires matching key electrical parameters. While several alternatives exist, careful review of dielectric type and capacitance is crucial.

AI replacement insight

Electrical riskhigh

Mismatches in dielectric type and capacitance value are common in available alternatives and require circuit analysis.

Package risklow

The 1206 package is a standard size, making physical replacement straightforward if electrical parameters match.

Can it be replaced directly?

No direct, verified pin-to-pin replacement has been identified. All candidates require review due to parametric differences, primarily in dielectric type or capacitance.

Best replacement path

The best replacement path is to find a capacitor in a 1206 package with 100pF capacitance, a voltage rating of 1kV or higher, and an X7R dielectric.

Main risk

The main risk is substituting a capacitor with a different dielectric (e.g., COG/NPO for X7R), which changes temperature stability and may affect circuit timing or filtering performance.

Recommended alternatives

A 1206 capacitor with matching capacitance and voltage, but a more stable COG dielectric that requires engineering review.

View details

Alternative comparison matrix

Feature / factor	1206B101K102CT	TCC1206COG101J102DT	TCC1206X7R201K102FT	Compatibility / risk
Package	1206 (3216 Metric)	1206 (3216 Metric)	1206	1206 (3216 Metric) — Form factor matches.; TCC1206X7R201K102FT: Form factor matches.
Capacitance	100 pF	100 pF	200 pF	100 pF / 200 pF — Capacitance matches.; TCC1206X7R201K102FT: Capacitance is 2x the target value.
Voltage	1000.0 V	1000.0 V	1000.0 V	1000.0 V — Voltage rating matches.; TCC1206X7R201K102FT: Voltage rating matches.
Dielectric	X7R	COG (NPO)	X7R	COG (NPO) / X7R — Dielectric is more stable but functionally different.; TCC1206X7R201K102FT: Dielectric material matches.
Tolerance	10.0 %	5.0 %	-	5.0 % — Tighter tolerance is generally acceptable.

Application & sourcing insights

Questions & answers

The best alternative depends on your circuit's tolerance for variation. For similar function, find a 100pF, 1kV, X7R capacitor in a 1206 package from another manufacturer. If stability is key, TCC1206COG101J102DT is an option but requires review.