Equivalent & Substitute Parts for 08051C103KAT2P

Part Overview

The 08051C103KAT2P is a 10000 pF ±10% 100V X7R ceramic capacitor in 0805 (2012 Metric) surface mount package manufactured by KYOCERA AVX. This part is Active status and widely used in general purpose applications. Equivalent and substitute parts are identified based on matching electrical specifications, mechanical compatibility, and compliance requirements. Alternative part numbers may be required due to inventory availability, packaging format preferences, or application-specific certifications.

Key Parameters

Parameter	Value
Capacitance	10000 pF
Tolerance	±10%
Voltage - Rated	100V
Temperature Coefficient	X7R
Operating Temperature Range	-55°C ~ 125°C
Mounting Type	Surface Mount, MLCC
Package / Case	0805 (2012 Metric)
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution logic is based on the following allowed parameters:

Direct Equivalents — Parts matching all electrical specifications (10000 pF, ±10%, 100V, X7R) and mechanical compatibility (0805 package, surface mount) with identical operating temperature range (-55°C ~ 125°C) and moisture sensitivity (MSL 1).

Voltage Upgrades — Parts with identical capacitance, tolerance, and temperature coefficient but rated for higher voltage (250V or 200V). These are electrically compatible and mechanically interchangeable in applications where the original 100V rating is sufficient, though physical thickness may increase.

Tolerance Upgrades — Parts with ±5% tolerance instead of ±10%. These provide tighter capacitance control and are fully compatible with circuits designed for ±10% parts.

Automotive-Qualified Variants — Parts with AEC-Q200 certification suitable for automotive applications while maintaining identical electrical and mechanical specifications.

Packaging Variants — Parts with identical electrical specifications but different packaging formats (Tape & Reel vs. other formats).

Parameter Comparison

Part Number	Manufacturer	Capacitance	Tolerance	Voltage	Temp Coeff	Package	Thickness (Max)	RoHS Status	Packaging	Inventory
08051C103KAT2P	KYOCERA AVX	10000 pF	±10%	100V	X7R	0805	0.037" (0.94mm)	ROHS3	Bulk	857 Pcs
KGM21NR72A103KM	KYOCERA AVX	10000 pF	±10%	100V	X7R	0805	0.039" (1.00mm)	ROHS3	Tape & Reel	129902 Pcs
LD051C103KAB2A	KYOCERA AVX	10000 pF	±10%	100V	X7R	0805	0.037" (0.94mm)	RoHS Non-Compliant	Tape & Reel	13597 Pcs
0805PC103KAT1A	KYOCERA AVX	10000 pF	±10%	250V	X7R	0805	0.051" (1.30mm)	ROHS3	Tape & Reel	6361 Pcs
0805PC103KAT2A	KYOCERA AVX	10000 pF	±10%	250V	X7R	0805	0.051" (1.30mm)	ROHS3	Tape & Reel	8603 Pcs
KAM21BR72A103KM	KYOCERA AVX	10000 pF	±10%	100V	X7R	0805	0.037" (0.94mm)	ROHS3	Tape & Reel	37022 Pcs
KAM21BR72A103KT	KYOCERA AVX	10000 pF	±10%	100V	X7R	0805	0.037" (0.94mm)	ROHS3	Tape & Reel	124637 Pcs
KGM21AR72D103JU	KYOCERA AVX	10000 pF	±5%	200V	X7R	0805	0.057" (1.45mm)	ROHS3	Tape & Reel	7021 Pcs
KGM21AR72D103KL	KYOCERA AVX	10000 pF	±10%	200V	X7R	0805	0.057" (1.45mm)	ROHS3	Tape & Reel	29756 Pcs
KGM21AR72D103KU	KYOCERA AVX	10000 pF	±10%	200V	X7R	0805	0.057" (1.45mm)	ROHS3	Tape & Reel	81137 Pcs
KGM21NR72A103JT	KYOCERA AVX	10000 pF	±5%	100V	X7R	0805	0.039" (1.00mm)	ROHS3	Tape & Reel	31895 Pcs

Engineering Selection Recommendations

For Direct Replacement (100V, ±10% Tolerance)

KGM21NR72A103KM, KAM21BR72A103KM, and KAM21BR72A103KT are direct electrical equivalents. KAM21BR72A103KM and KAM21BR72A103KT carry AEC-Q200 automotive qualification and are suitable for automotive applications. All three are ROHS3 compliant. KAM21BR72A103KT has the highest inventory availability (124637 Pcs).

For Voltage Margin Applications

0805PC103KAT1A and 0805PC103KAT2A provide 250V rating with identical capacitance and tolerance. KGM21AR72D103KL and KGM21AR72D103KU provide 200V rating. These are suitable when circuit design requires higher voltage headroom. Note increased thickness: 0.051" (1.30mm) for 250V variants and 0.057" (1.45mm) for 200V variants compared to 0.037" (0.94mm) for 100V variants.

For Tighter Tolerance Requirements

KGM21NR72A103JT and KGM21AR72D103JU offer ±5% tolerance. KGM21NR72A103JT maintains 100V rating with ±5% tolerance. KGM21AR72D103JU provides 200V rating with ±5% tolerance.

Compliance Considerations

All recommended substitutes are ROHS3 compliant and MSL 1 rated. LD051C103KAB2A is RoHS non-compliant and REACH affected; use only if legacy compliance requirements apply.

Frequently Asked Questions (FAQ)

Q: Can KGM21NR72A103KM replace 08051C103KAT2P directly?

A: Yes. Both parts have identical electrical specifications (10000 pF, ±10%, 100V, X7R) and 0805 package. The thickness difference (0.039" vs 0.037") is within typical PCB design tolerances. KGM21NR72A103KM is available in Tape & Reel packaging.

Q: What is the difference between the 100V and 250V variants?

A: The 250V variants (0805PC103KAT1A, 0805PC103KAT2A) have higher voltage rating and increased thickness (0.051" vs 0.037"). Capacitance and tolerance remain identical. Use 250V variants only if circuit design requires higher voltage margin; they occupy more vertical PCB space.

Q: Are automotive-qualified parts (KAM21BR72A103KM, KAM21BR72A103KT) compatible with general purpose applications?

A: Yes. Automotive-qualified parts with AEC-Q200 certification meet or exceed general purpose requirements. They are fully compatible with non-automotive circuits.

Q: What does ±5% tolerance mean compared to ±10%?

A: ±5% tolerance (KGM21NR72A103JT, KGM21AR72D103JU) provides tighter capacitance control. For a 10000 pF part, ±5% means 9500-10500 pF versus ±10% meaning 9000-11000 pF. Use ±5% variants when circuit design requires precise capacitance values.

Q: Can I use LD051C103KAB2A as a substitute?

A: LD051C103KAB2A is electrically and mechanically compatible but is RoHS non-compliant and REACH affected. Use only if legacy compliance requirements specifically allow non-compliant parts.

Q: What packaging format should I select?

A: 08051C103KAT2P is supplied in bulk packaging. For production assembly, Tape & Reel format (KGM21NR72A103KM, KAM21BR72A103KM, KAM21BR72A103KT, and others) is standard. Confirm packaging requirements with your procurement process.

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