Equivalent & Substitute Parts for 08055C101KAJ2A

Part Overview

The 08055C101KAJ2A is a 100 pF ±10% 50V X7R ceramic capacitor in 0805 (2012 Metric) surface mount package manufactured by KYOCERA AVX. This part is Active and suitable for general purpose applications. Alternative models are necessary when design requirements demand higher voltage ratings, improved tolerance specifications, enhanced compliance certifications, or specific temperature coefficient characteristics.

Key Parameters

Parameter	Value
Capacitance	100 pF
Tolerance	±10%
Voltage - Rated	50V
Temperature Coefficient	X7R
Operating Temperature Range	-55°C ~ 125°C
Package / Case	0805 (2012 Metric)
Mounting Type	Surface Mount, MLCC
RoHS Status	RoHS non-compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution eligibility is determined by the following criteria:

Mandatory Compatibility Parameters:

Capacitance: 100 pF (exact match required)
Package / Case: 0805 (2012 Metric) (exact match required)
Mounting Type: Surface Mount, MLCC (exact match required)
Operating Temperature Range: -55°C ~ 125°C (exact match required)

Allowable Variation Parameters:

Tolerance: May be equal or tighter (±10%, ±5%, ±2%, ±1%)
Voltage - Rated: May be equal or higher (50V, 100V, 200V, 630V)
Temperature Coefficient: X7R or C0G/NP0 (different dielectric types acceptable)
RoHS Status: May upgrade from non-compliant to compliant
Packaging: May vary (bulk to Tape & Reel)

Substitute parts are grouped by voltage rating and temperature coefficient, with tolerance improvements and compliance upgrades noted.

Parameter Comparison

Part Number	Manufacturer	Capacitance	Tolerance	Voltage	Temp Coeff	Package	RoHS Status	Packaging Type
08055C101KAJ2A	KYOCERA AVX	100 pF	±10%	50V	X7R	0805	Non-compliant	Bulk
08051C101JAT2A	KYOCERA AVX	100 pF	±5%	100V	X7R	0805	ROHS3 Compliant	Tape & Reel
08051C101KAT2A	KYOCERA AVX	100 pF	±10%	100V	X7R	0805	ROHS3 Compliant	Tape & Reel
08052C101KAT2A	KYOCERA AVX	100 pF	±10%	200V	X7R	0805	ROHS3 Compliant	Tape & Reel
08055C101JAT2A	KYOCERA AVX	100 pF	±5%	50V	X7R	0805	ROHS3 Compliant	Tape & Reel
08055C101K4T2A	KYOCERA AVX	100 pF	±10%	50V	X7R	0805	ROHS3 Compliant	Tape & Reel
0805CA101KAT1A	KYOCERA AVX	100 pF	±10%	630V	C0G, NP0	0805	ROHS3 Compliant	Tape & Reel
KGM21BCG1H101FT	KYOCERA AVX	100 pF	±1%	50V	C0G, NP0	0805	ROHS3 Compliant	Tape & Reel
KGM21BCG1H101GT	KYOCERA AVX	100 pF	±2%	50V	C0G, NP0	0805	ROHS3 Compliant	Tape & Reel
KGM21BCG1H101KT	KYOCERA AVX	100 pF	±10%	50V	C0G, NP0	0805	ROHS3 Compliant	Tape & Reel
KGM21BCG2A101FT	KYOCERA AVX	100 pF	±1%	100V	C0G, NP0	0805	ROHS3 Compliant	Tape & Reel

Engineering Selection Recommendations

For RoHS3 Compliance Requirement: All substitute parts listed are ROHS3 Compliant, whereas the original 08055C101KAJ2A is RoHS non-compliant. Selection of any substitute part upgrades compliance status.

For Voltage Margin Enhancement (50V to 100V): Parts 08051C101JAT2A and 08051C101KAT2A provide 100V rating while maintaining X7R temperature coefficient and 0805 package. 08051C101JAT2A offers improved ±5% tolerance.

For Voltage Margin Enhancement (50V to 200V): Part 08052C101KAT2A provides 200V rating with X7R temperature coefficient and maintains ±10% tolerance specification.

For High Voltage Applications (50V to 630V): Part 0805CA101KAT1A provides 630V rating with C0G/NP0 temperature coefficient, suitable for high voltage general purpose applications.

For Tolerance Improvement at 50V: Part 08055C101JAT2A provides ±5% tolerance at 50V with ROHS3 compliance. KGM21BCG1H101FT, KGM21BCG1H101GT, and KGM21BCG1H101KT offer C0G/NP0 temperature coefficient with tolerances of ±1%, ±2%, and ±10% respectively at 50V.

For Tolerance Improvement at 100V: Part 08051C101JAT2A provides ±5% tolerance at 100V. Part KGM21BCG2A101FT provides ±1% tolerance at 100V with C0G/NP0 temperature coefficient.

For Automotive Applications: Part 08055C101K4T2A includes AEC-Q200 rating designation for automotive use while maintaining 50V X7R specifications.

Frequently Asked Questions (FAQ)

Q: Can I substitute 08055C101KAJ2A with a higher voltage rated part? A: Yes. Higher voltage ratings (100V, 200V, 630V) are acceptable substitutes provided all other parameters remain compatible: 100 pF capacitance, 0805 package, surface mount MLCC mounting, and -55°C to 125°C operating range.

Q: What is the difference between X7R and C0G/NP0 temperature coefficients? A: X7R and C0G/NP0 are different dielectric materials. X7R provides ±15% capacitance change over -55°C to 125°C. C0G/NP0 provides ±30 ppm/°C stability. Both are acceptable substitutes for the 08055C101KAJ2A in the 0805 package.

Q: Does tolerance improvement affect circuit performance? A: Tighter tolerance specifications (±5%, ±2%, ±1%) reduce capacitance variation from nominal value. Selection depends on circuit requirements. The original ±10% tolerance is maintained in multiple substitute options.

Q: Can I use Tape & Reel packaged parts instead of bulk? A: Yes. Tape & Reel is a packaging format suitable for automated assembly. All substitute parts listed in Tape & Reel format are electrically and mechanically equivalent to bulk packaging.

Q: Is RoHS3 compliance mandatory for my application? A: RoHS3 compliance is required for products sold in regulated markets. The original 08055C101KAJ2A is RoHS non-compliant. All substitute parts are ROHS3 Compliant, providing regulatory compliance upgrade.

Q: Which substitute part is recommended for general replacement? A: Part 08055C101JAT2A provides direct 50V substitution with improved ±5% tolerance and ROHS3 compliance in Tape & Reel packaging. Part 08051C101KAT2A provides 100V margin with matching ±10% tolerance and ROHS3 compliance.

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