08053C103KAJ2A Equivalent & Substitute Parts

Part Overview

The 08053C103KAJ2A is a 10000 pF (0.01 µF) ceramic capacitor manufactured by KYOCERA AVX with X7R temperature coefficient, rated for 25V operation in 0805 (2012 Metric) surface mount package. This part is Active status and suitable for general purpose applications including bypass and decoupling circuits. Substitute parts are identified based on matching capacitance, voltage rating, temperature coefficient, package form factor, and mounting type specifications.

Key Parameters

Parameter	Value
Capacitance	10000 pF
Tolerance	±10%
Voltage Rating	25V
Temperature Coefficient	X7R
Operating Temperature Range	-55°C to 125°C
Package / Case	0805 (2012 Metric)
Mounting Type	Surface Mount, MLCC
Moisture Sensitivity Level	MSL 1 (Unlimited)

Substitute Part Grouping Explanation

Substitution eligibility is determined by the following criteria applied strictly:

Primary Matching Parameters (Required):

Capacitance: 10000 pF (exact match)
Temperature Coefficient: X7R (exact match)
Package / Case: 0805 (2012 Metric) (exact match)
Mounting Type: Surface Mount, MLCC (exact match)

Secondary Matching Parameters (Allowable Variation):

Tolerance: ±10% or ±5% (tighter tolerance acceptable)
Voltage Rating: 25V or higher (higher voltage acceptable for same or lower capacitance)
Thickness: Variation within mechanical constraints

Substitute parts are grouped into three categories:

Upgrade Category (KYOCERA AVX KGM Series): Parts with improved RoHS3 compliance and tighter tolerance specifications while maintaining core electrical parameters.

Upgrade Category (KYOCERA AVX LD Series): Parts with higher voltage ratings (50V, 100V) maintaining ±10% tolerance and legacy compliance status.

Direct Equivalent Category: Parts from alternative manufacturers (Walsin Technology Corporation, KEMET, YAGEO) meeting identical electrical and mechanical specifications with RoHS3 compliance.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Capacitance	Tolerance	Voltage	Temp Coeff	Package	Thickness (Max)	RoHS Status	Inventory
08053C103KAJ2A	KYOCERA AVX	10000 pF	±10%	25V	X7R	0805	0.037"	Non-compliant	611 Pcs
KGM21NR71E103JT	KYOCERA AVX	10000 pF	±5%	25V	X7R	0805	0.039"	ROHS3	53828 Pcs
KGM21NR71E103KM	KYOCERA AVX	10000 pF	±10%	25V	X7R	0805	0.039"	ROHS3	1105 Pcs
KGM21NR71E103KT	KYOCERA AVX	10000 pF	±10%	25V	X7R	0805	0.039"	ROHS3	31267 Pcs
KGM21NR71H103JT	KYOCERA AVX	10000 pF	±5%	50V	X7R	0805	0.039"	ROHS3	44363 Pcs
KGM21NR72A103JT	KYOCERA AVX	10000 pF	±5%	100V	X7R	0805	0.039"	ROHS3	31895 Pcs
LD051C103KAB2A	KYOCERA AVX	10000 pF	±10%	100V	X7R	0805	0.037"	Non-compliant	13597 Pcs
LD055C103KAB2A	KYOCERA AVX	10000 pF	±10%	50V	X7R	0805	0.037"	Non-compliant	15551 Pcs
0805B103K250CT	Walsin Technology Corporation	10000 pF	±10%	25V	X7R	0805	0.035"	ROHS3	8888 Pcs
C0805C103K3RAC7800	KEMET	10000 pF	±10%	25V	X7R	0805	0.035"	ROHS3	71972 Pcs
CC0805KRX7R8BB103	YAGEO	10000 pF	±10%	25V	X7R	0805	0.028"	ROHS3	24678 Pcs

Engineering Selection Recommendations

For Direct Replacement (Same Electrical Specifications):

KGM21NR71E103KM and KGM21NR71E103KT from KYOCERA AVX maintain identical 10000 pF, ±10%, 25V specifications with ROHS3 compliance upgrade. These represent the primary upgrade path from the original 08053C103KAJ2A, offering improved regulatory compliance while preserving electrical performance.

For Improved Tolerance Requirements:

KGM21NR71E103JT provides ±5% tolerance at 25V rating with ROHS3 compliance, suitable for applications requiring tighter capacitance control.

For Higher Voltage Margin Applications:

KGM21NR71H103JT (50V) and KGM21NR72A103JT (100V) accommodate designs requiring elevated voltage headroom while maintaining 10000 pF capacitance and X7R stability. Both feature ROHS3 compliance and ±5% tolerance.

For Alternative Manufacturer Sources:

0805B103K250CT (Walsin), C0805C103K3RAC7800 (KEMET), and CC0805KRX7R8BB103 (YAGEO) provide equivalent 10000 pF, ±10%, 25V specifications with ROHS3 compliance and established supply availability. These are suitable for applications where multi-source qualification is required.

Legacy Compliance Path:

LD051C103KAB2A and LD055C103KAB2A maintain non-compliant status matching the original part, available for legacy system maintenance where regulatory updates are not required.

Frequently Asked Questions (FAQ)

Q: Can KGM21NR71E103JT (±5% tolerance) replace 08053C103KAJ2A (±10% tolerance)?

A: Yes. Tighter tolerance is a compatible upgrade. The ±5% specification is a subset of ±10% performance, ensuring the part meets or exceeds the original tolerance requirement.

Q: Are higher voltage rated parts (50V, 100V) suitable substitutes for the 25V application?

A: Yes, for the specified 25V circuit. Higher voltage ratings provide additional safety margin and are electrically compatible. The capacitance and temperature coefficient remain identical. Verify PCB layout and thermal management accommodate any thickness variations.

Q: What is the difference between KGM21NR71E103KM and KGM21NR71E103KT?

A: Both parts are electrically identical (10000 pF, ±10%, 25V, X7R, 0805). The difference is packaging: KM denotes Cut Tape & Digi-Reel format, while KT denotes Tape & Reel format. Select based on assembly line equipment compatibility.

Q: Can I use KEMET C0805C103K3RAC7800 or YAGEO CC0805KRX7R8BB103 in place of KYOCERA AVX parts?

A: Yes. All three manufacturers' parts meet identical electrical specifications (10000 pF, ±10%, 25V, X7R, 0805 package). Verify component qualification requirements and supply chain documentation for your application.

Q: Why is thickness variation noted (0.035" to 0.039")?

A: Thickness variation within the 0805 package specification does not affect electrical performance. Verify PCB assembly equipment clearance and reflow profile compatibility. Most modern pick-and-place systems accommodate this range without adjustment.

Q: What does RoHS3 compliance mean for substitution?

A: ROHS3 compliance indicates the part meets current EU Restriction of Hazardous Substances regulations. Upgrading from non-compliant to ROHS3 compliant parts is suitable for new designs and regulatory requirement updates. Legacy systems may continue using non-compliant parts if regulatory exemptions apply.

Q: Are MSL 1 rated parts suitable for all assembly environments?

A: Yes. MSL 1 (Unlimited) rating indicates unlimited shelf life and no moisture bake-out requirement before soldering. All listed parts carry MSL 1 rating, ensuring compatibility with standard assembly processes.

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