08056W106MAT2A Ceramic Capacitor Equivalent & Substitute Parts

Part Overview

The 08056W106MAT2A is a 10 µF ±20% 6.3V ceramic capacitor manufactured by KYOCERA AVX in 0805 (2012 Metric) surface mount package. This part is currently active in production with 827 units in stock. Substitute parts are necessary when the original manufacturer part becomes unavailable, when design requirements demand higher voltage ratings or tighter tolerances, or when alternative suppliers offer improved inventory availability or lead times.

Key Parameters

Parameter	Value
Capacitance	10 µF
Tolerance	±20%
Voltage Rating	6.3V
Temperature Coefficient	X6S
Package / Case	0805 (2012 Metric)
Mounting Type	Surface Mount, MLCC
Operating Temperature Range	-55°C ~ 105°C
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution for the 08056W106MAT2A is determined by the following critical parameters:

Mandatory Compatibility Parameters:

Capacitance: 10 µF (exact match required)
Package / Case: 0805 (2012 Metric) (exact match required)
Temperature Coefficient: X6S (exact match required)
Operating Temperature Range: -55°C ~ 105°C (exact match required)
Mounting Type: Surface Mount, MLCC (exact match required)

Allowable Variation Parameters:

Tolerance: ±20% or tighter (±10% acceptable as upgrade)
Voltage Rating: 6.3V or higher (10V, 16V acceptable as upgrades)
Thickness: Variations within mechanical constraints of 0805 package

Substitute parts are grouped into three categories: direct equivalents (matching all parameters including voltage and tolerance), upgrade parts (higher voltage rating or tighter tolerance), and manufacturer-recommended alternatives (same electrical specifications with different physical dimensions or product status).

Parameter Comparison

Manufacturer Part Number	Manufacturer	Capacitance	Tolerance	Voltage Rating	Temperature Coefficient	Package	Thickness (Max)	Product Status	Inventory
08056W106MAT2A	KYOCERA AVX	10 µF	±20%	6.3V	X6S	0805 (2012 Metric)	0.037" (0.94mm)	Active	827 Pcs
C2012X6S0J106M085AC	TDK Corporation	10 µF	±20%	6.3V	X6S	0805 (2012 Metric)	0.039" (1.00mm)	Not For New Designs	3533 Pcs
C2012X6S0J106K085AC	TDK Corporation	10 µF	±10%	6.3V	X6S	0805 (2012 Metric)	0.039" (1.00mm)	Not For New Designs	4917 Pcs
C2012X6S1A106K085AC	TDK Corporation	10 µF	±10%	10V	X6S	0805 (2012 Metric)	0.039" (1.00mm)	Not For New Designs	69484 Pcs
C2012X6S1A106M085AC	TDK Corporation	10 µF	±20%	10V	X6S	0805 (2012 Metric)	0.039" (1.00mm)	Not For New Designs	5621 Pcs
C2012X6S1C106K085AC	TDK Corporation	10 µF	±10%	16V	X6S	0805 (2012 Metric)	0.039" (1.00mm)	Not For New Designs	164116 Pcs
C2012X6S1C106M085AC	TDK Corporation	10 µF	±20%	16V	X6S	0805 (2012 Metric)	0.039" (1.00mm)	Not For New Designs	79611 Pcs
CL21X106KOQNNNE	Samsung Electro-Mechanics	10 µF	±10%	16V	X6S	0805 (2012 Metric)	0.055" (1.40mm)	Active	503351 Pcs
CL21X106KPCLRNC	Samsung Electro-Mechanics	10 µF	±10%	10V	X6S	0805 (2012 Metric)	0.037" (0.95mm)	Active	196476 Pcs
CL21X106MOQNNNE	Samsung Electro-Mechanics	10 µF	±20%	16V	X6S	0805 (2012 Metric)	0.055" (1.40mm)	Active	82284 Pcs
C2012X6S0J106M125AB	TDK Corporation	10 µF	±20%	6.3V	X6S	0805 (2012 Metric)	0.057" (1.45mm)	Not For New Designs	2790 Pcs

Engineering Selection Recommendations

Direct Equivalent (Same Voltage & Tolerance): C2012X6S0J106M085AC from TDK Corporation is electrically identical to the main part with matching 10 µF ±20% 6.3V specifications. This part carries "Not For New Designs" status but maintains full ROHS3 compliance and MSL 1 rating. Selection is appropriate for replacement applications where design freeze is not a constraint.

Upgrade Options (Higher Voltage Rating): C2012X6S1A106K085AC, C2012X6S1C106K085AC, and C2012X6S1C106M085AC from TDK Corporation provide 10V or 16V ratings with the same 10 µF capacitance and X6S temperature coefficient. These parts are suitable for designs requiring higher voltage margin or when operating conditions exceed 6.3V. All maintain ROHS3 compliance and MSL 1 rating.

Active Production Alternatives: CL21X106KPCLRNC and CL21X106KOQNNNE from Samsung Electro-Mechanics are currently in active production status. CL21X106KPCLRNC matches the 10V upgrade specification with ±10% tolerance and 196476 units in stock. CL21X106KOQNNNE provides 16V rating with ±10% tolerance and 503351 units in stock. Both are ROHS3 compliant with MSL 1 rating and represent the most readily available alternatives.

Tolerance Upgrade Path: C2012X6S0J106K085AC from TDK Corporation offers ±10% tolerance at 6.3V, providing tighter capacitance control than the original ±20% specification while maintaining all other electrical parameters.

Frequently Asked Questions (FAQ)

Q: Can I use a substitute part with a higher voltage rating than the original 6.3V specification?

A: Yes. Higher voltage-rated capacitors (10V or 16V) are electrically compatible substitutes for 6.3V applications. The higher voltage rating provides additional safety margin and does not affect circuit performance when the applied voltage remains within the original 6.3V specification.

Q: What is the difference between ±20% and ±10% tolerance parts?

A: Tolerance specifies the allowable deviation of actual capacitance from the nominal 10 µF value. ±20% tolerance allows deviation from 8 µF to 12 µF, while ±10% tolerance allows deviation from 9 µF to 11 µF. Tighter tolerance (±10%) provides more precise capacitance control and is suitable for applications requiring stricter component specifications.

Q: Are TDK parts marked "Not For New Designs" still usable in production?

A: Parts marked "Not For New Designs" are available for replacement and repair of existing products but are not recommended for new circuit designs. These parts remain fully functional and compliant with all stated specifications. Selection depends on whether the application is a new design or a replacement scenario.

Q: What does MSL 1 (Unlimited) moisture sensitivity mean?

A: MSL 1 indicates the lowest moisture sensitivity level. These parts require no special moisture control during storage, handling, or assembly. They can be stored in standard conditions without desiccant packaging or baking requirements prior to soldering.

Q: Why do some substitute parts have different thickness values?

A: Thickness variation occurs within the 0805 (2012 Metric) package specification due to different manufacturing processes and internal construction. All listed parts fit the 0805 package footprint. Verify PCB assembly equipment clearance if thickness exceeds 0.055" (1.40mm) in space-constrained designs.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All listed substitute parts maintain ROHS3 compliance, confirming restriction of hazardous substances in accordance with applicable regulations.

Q: Which substitute offers the best inventory availability?

A: CL21X106KOQNNNE from Samsung Electro-Mechanics provides the highest inventory level at 503351 units in stock, combined with active production status and 16V voltage rating with ±10% tolerance.

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