08055C103KA72A Equivalent & Substitute Parts

Part Overview

The 08055C103KA72A is a 10000 pF ±10% 50V ceramic capacitor in X7R temperature coefficient, 0805 (2012 Metric) surface mount package manufactured by KYOCERA AVX. This component is classified as Active product status with general purpose applications. Equivalent and substitute parts are identified based on matching or upgraded electrical specifications, mechanical compatibility, and compliance certifications to support component procurement flexibility and supply chain continuity.

Key Parameters

Parameter	Value
Capacitance	10000 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
Size / Dimension	0.079" L x 0.049" W (2.01mm x 1.25mm)
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitute parts for the 08055C103KA72A are categorized based on the following substitution criteria:

Direct Equivalent (Same Electrical & Mechanical Specifications):

Capacitance: 10000 pF
Tolerance: ±10%
Voltage: 50V
Temperature Coefficient: X7R
Package: 0805 (2012 Metric)
Mounting: Surface Mount, MLCC

Voltage-Upgraded Substitutes (Higher Rated Voltage):

Capacitance: 10000 pF
Tolerance: ±10%
Voltage: 200V or 250V (exceeds 50V requirement)
Temperature Coefficient: X7R
Package: 0805 (2012 Metric)
Mounting: Surface Mount, MLCC

Tolerance-Upgraded Substitutes (Tighter Tolerance):

Capacitance: 10000 pF
Tolerance: ±5% (tighter than ±10%)
Voltage: 200V or higher
Temperature Coefficient: X7R
Package: 0805 (2012 Metric)
Mounting: Surface Mount, MLCC

All substitute parts maintain identical package dimensions, operating temperature range (-55°C ~ 125°C), and MSL rating (1 - Unlimited), ensuring mechanical and environmental compatibility.

Parameter Comparison

Part Number	Manufacturer	Capacitance	Tolerance	Voltage	Temp Coeff	Package	Thickness (Max)	RoHS Status	Ratings	Applications
08055C103KA72A	KYOCERA AVX	10000 pF	±10%	50V	X7R	0805	0.037"	RoHS non-compliant	—	General Purpose
LD055C103KAB2A	KYOCERA AVX	10000 pF	±10%	50V	X7R	0805	0.037"	RoHS non-compliant	—	General Purpose
0805PC103KAT1A	KYOCERA AVX	10000 pF	±10%	250V	X7R	0805	0.051"	ROHS3 Compliant	—	General Purpose
0805PC103KAT2A	KYOCERA AVX	10000 pF	±10%	250V	X7R	0805	0.051"	ROHS3 Compliant	—	General Purpose
FS055C103KAZ2A	KYOCERA AVX	10000 pF	±10%	50V	X7R	0805	0.037"	ROHS3 Compliant	AEC-Q200	Automotive, Boardflex Sensitive
KAM21BR71H103KM	KYOCERA AVX	10000 pF	±10%	50V	X7R	0805	0.037"	ROHS3 Compliant	AEC-Q200	Automotive
KAM21BR71H103KT	KYOCERA AVX	10000 pF	±10%	50V	X7R	0805	0.037"	ROHS3 Compliant	AEC-Q200	Automotive
KAS21BR71H103KT	KYOCERA AVX	10000 pF	±10%	50V	X7R	0805	0.037"	ROHS3 Compliant	AEC-Q200	Automotive, Boardflex Sensitive
KGM21AR72D103JU	KYOCERA AVX	10000 pF	±5%	200V	X7R	0805	0.057"	ROHS3 Compliant	—	General Purpose
KGM21AR72D103KL	KYOCERA AVX	10000 pF	±10%	200V	X7R	0805	0.057"	ROHS3 Compliant	—	General Purpose
KGM21AR72D103KU	KYOCERA AVX	10000 pF	±10%	200V	X7R	0805	0.057"	ROHS3 Compliant	—	General Purpose

Engineering Selection Recommendations

Direct Equivalent Selection: LD055C103KAB2A provides direct electrical and mechanical equivalence to 08055C103KA72A with identical specifications. Both parts are RoHS non-compliant and rated for general purpose applications. Selection between these two is based on packaging format and inventory availability.

RoHS3 Compliant Alternatives (Same Electrical Specifications): FS055C103KAZ2A, KAM21BR71H103KM, KAM21BR71H103KT, and KAS21BR71H103KT maintain 10000 pF ±10% 50V specifications while offering ROHS3 compliance and AEC-Q200 certification. These parts are suitable for applications requiring regulatory compliance and automotive-grade reliability. FS055C103KAZ2A and KAS21BR71H103KT include soft termination features for boardflex-sensitive applications.

Voltage-Upgraded Substitutes: 0805PC103KAT1A and 0805PC103KAT2A provide 250V rated voltage with ROHS3 compliance. These parts are suitable for circuits requiring higher voltage margins. Thickness increases to 0.051" maximum.

KGM21AR72D103KL and KGM21AR72D103KU provide 200V rated voltage with ROHS3 compliance. KGM21AR72D103JU offers tighter ±5% tolerance at 200V. Thickness increases to 0.057" maximum for all KGM series parts.

Compliance Considerations: The original 08055C103KA72A is RoHS non-compliant. For new designs or applications requiring regulatory compliance, select from ROHS3-compliant alternatives. All substitute parts maintain identical operating temperature range (-55°C ~ 125°C) and MSL rating (1 - Unlimited).

Frequently Asked Questions (FAQ)

Q: Can LD055C103KAB2A directly replace 08055C103KA72A? A: Yes. LD055C103KAB2A is a direct equivalent with identical electrical specifications (10000 pF ±10% 50V X7R), package dimensions (0805), and operating characteristics. Both are RoHS non-compliant. Selection depends on packaging format (Tape & Reel for LD055C103KAB2A) and inventory availability.

Q: What is the difference between the 50V and 200V/250V rated parts? A: Voltage rating indicates the maximum voltage the capacitor can safely withstand. 200V and 250V rated parts provide higher voltage margins for circuits operating above 50V. These upgrades maintain identical capacitance (10000 pF) and tolerance (±10%) but increase physical thickness (0.057" for 200V, 0.051" for 250V versus 0.037" for 50V). Use voltage-upgraded parts only if circuit design permits the increased height.

Q: Are automotive-rated parts (AEC-Q200) compatible with general purpose applications? A: Yes. AEC-Q200 certified parts (FS055C103KAZ2A, KAM21BR71H103KM, KAM21BR71H103KT, KAS21BR71H103KT) meet automotive reliability standards and are suitable for general purpose applications. These parts offer enhanced quality assurance and ROHS3 compliance.

Q: What does soft termination mean in FS055C103KAZ2A and KAS21BR71H103KT? A: Soft termination is a mechanical feature that reduces mechanical stress on component terminations during board flexing. This feature is beneficial for applications subject to board bending or vibration. Both parts maintain identical electrical specifications and package dimensions.

Q: Can I use KGM21AR72D103JU (±5% tolerance) instead of the ±10% tolerance original part? A: Yes. KGM21AR72D103JU provides tighter tolerance (±5% versus ±10%), which improves capacitance accuracy. This part operates at 200V (higher than the original 50V) and increases thickness to 0.057". Use this part if circuit design permits higher voltage rating and increased height, and if tighter tolerance improves circuit performance.

Q: What is the impact of RoHS compliance on part selection? A: The original 08055C103KA72A is RoHS non-compliant. For new designs, regulatory compliance, or supply chain requirements, select ROHS3-compliant alternatives (0805PC103KAT1A, 0805PC103KAT2A, FS055C103KAZ2A, KAM21BR71H103KM, KAM21BR71H103KT, KAS21BR71H103KT, KGM series). All ROHS3-compliant substitutes maintain electrical compatibility.

Q: Are all substitute parts available in Tape & Reel packaging? A: Yes. All substitute parts listed are available in Tape & Reel (TR) packaging format suitable for automated assembly processes.

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