08051C561MAT2A Ceramic Capacitor Equivalent & Substitute Parts

Part Overview

The 08051C561MAT2A is a 560 pF ceramic capacitor manufactured by KYOCERA AVX with X7R temperature coefficient, rated for 100V operation. This surface mount multilayer ceramic capacitor (MLCC) in 0805 (2012 Metric) package is designed for general purpose applications. The part is active and in production with ROHS3 compliance and unlimited moisture sensitivity rating (MSL 1). Substitute parts are identified based on matching capacitance, package, mounting type, and operating temperature range while allowing variations in voltage rating, tolerance, and temperature coefficient as permitted by application requirements.

Key Parameters

Parameter	Value
Capacitance	560 pF
Tolerance	±20%
Voltage Rating	100V
Temperature Coefficient	X7R
Operating Temperature Range	-55°C to 125°C
Package / Case	0805 (2012 Metric)
Mounting Type	Surface Mount, MLCC
Physical Dimensions	0.079" L × 0.049" W (2.00mm × 1.25mm)
Maximum Thickness	0.037" (0.94mm)
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution eligibility for the 08051C561MAT2A is determined by the following mandatory parameters:

Fixed Parameters (Must Match):

Capacitance: 560 pF
Package / Case: 0805 (2012 Metric)
Mounting Type: Surface Mount, MLCC
Operating Temperature Range: -55°C to 125°C
Physical footprint compatibility

Variable Parameters (Allowed to Differ):

Voltage Rating: May be equal to or higher than 100V
Tolerance: May be tighter (lower) than ±20%
Temperature Coefficient: X7R or C0G/NP0 acceptable based on application requirements
Manufacturer: KYOCERA AVX or alternative qualified manufacturers

Substitute parts are grouped into three categories based on temperature coefficient and voltage rating characteristics:

Category 1 - X7R Dielectric, Higher Voltage Rating: Parts 08052C561JAT2A and 08052C561KAT2A provide 200V rating with X7R stability, suitable for applications requiring elevated voltage margins.

Category 2 - C0G/NP0 Dielectric, 100V Rating: Parts KGM21BCG2A561FT, KGM21BCG2A561GT, and KGM21BCG2A561JT offer superior temperature stability with tighter tolerances, appropriate for precision circuits.

Category 3 - Mixed Dielectric and Voltage Options: KEMET C0805C series parts provide alternative sourcing with C0G/NP0 or X7R options across 100V to 500V ratings.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Capacitance	Tolerance	Voltage Rating	Temperature Coefficient	Package	Thickness (Max)	RoHS Status	Inventory Status
08051C561MAT2A	KYOCERA AVX	560 pF	±20%	100V	X7R	0805 (2012 Metric)	0.037" (0.94mm)	ROHS3 Compliant	928 Pcs
08052C561JAT2A	KYOCERA AVX	560 pF	±5%	200V	X7R	0805 (2012 Metric)	0.037" (0.94mm)	ROHS3 Compliant	8504 Pcs
08052C561KAT2A	KYOCERA AVX	560 pF	±10%	200V	X7R	0805 (2012 Metric)	0.037" (0.94mm)	ROHS3 Compliant	3562 Pcs
KGM21BCG2A561FT	KYOCERA AVX	560 pF	±1%	100V	C0G, NP0	0805 (2012 Metric)	0.037" (0.94mm)	ROHS3 Compliant	10530 Pcs
KGM21BCG2A561GT	KYOCERA AVX	560 pF	±2%	100V	C0G, NP0	0805 (2012 Metric)	0.037" (0.94mm)	ROHS3 Compliant	6014 Pcs
KGM21BCG2A561JT	KYOCERA AVX	560 pF	±5%	100V	C0G, NP0	0805 (2012 Metric)	0.037" (0.94mm)	ROHS3 Compliant	38573 Pcs
C0805C561F1GAC7800	KEMET	560 pF	±1%	100V	C0G, NP0	0805 (2012 Metric)	0.035" (0.88mm)	ROHS3 Compliant	16503 Pcs
C0805C561J1GAC7800	KEMET	560 pF	±5%	100V	C0G, NP0	0805 (2012 Metric)	0.035" (0.88mm)	ROHS3 Compliant	13120 Pcs
C0805C561JCGAC7800	KEMET	560 pF	±5%	500V	C0G, NP0	0805 (2012 Metric)	0.055" (1.40mm)	ROHS3 Compliant	5497 Pcs
C0805C561K1RAC7800	KEMET	560 pF	±10%	100V	X7R	0805 (2012 Metric)	0.035" (0.88mm)	ROHS3 Compliant	6381 Pcs
C0805C561K2RAC7800	KEMET	560 pF	±10%	200V	X7R	0805 (2012 Metric)	0.035" (0.88mm)	ROHS3 Compliant	4705 Pcs

Engineering Selection Recommendations

All listed substitute parts maintain ROHS3 compliance and MSL 1 rating, ensuring compatibility with standard manufacturing and storage protocols. Selection between substitutes depends on specific application requirements:

For Direct Replacement (Same Voltage, Same Dielectric): C0805C561K1RAC7800 (KEMET) provides X7R performance at 100V with identical electrical characteristics to the main part. This option maintains the same temperature coefficient behavior across the operating range.

For Voltage Margin Enhancement: 08052C561JAT2A or 08052C561KAT2A (KYOCERA AVX) offer 200V rating while retaining X7R dielectric properties. These parts are suitable when circuit design requires higher voltage headroom without changing temperature stability characteristics.

For Precision Applications: KGM21BCG2A561FT, KGM21BCG2A561GT, or KGM21BCG2A561JT (KYOCERA AVX) and C0805C561F1GAC7800 or C0805C561J1GAC7800 (KEMET) provide C0G/NP0 temperature coefficient with tighter tolerances (±1% to ±5%). These parts are appropriate for circuits requiring minimal capacitance drift across temperature variations.

For High Voltage Applications: C0805C561JCGAC7800 (KEMET) rated at 500V with C0G/NP0 dielectric is suitable for high voltage circuits. Note the increased thickness (0.055" vs. 0.037") requires PCB layout verification for clearance compatibility.

All parts are active products with current manufacturing status and adequate inventory availability.

Frequently Asked Questions (FAQ)

Q: Can I use a substitute part with a higher voltage rating than the original 08051C561MAT2A?

A: Yes. Higher voltage ratings provide additional safety margin and are electrically compatible. The 200V and 500V rated substitutes will function correctly in circuits designed for 100V operation. Physical dimensions and PCB footprint remain compatible for standard 0805 package designs.

Q: What is the difference between X7R and C0G/NP0 temperature coefficients?

A: X7R dielectric exhibits ±15% capacitance change across the -55°C to 125°C operating range. C0G/NP0 dielectric provides superior stability with minimal capacitance drift across temperature. Selection depends on application sensitivity to capacitance variation. General purpose bypass and decoupling applications typically tolerate X7R performance. Precision timing, filtering, and resonant circuits benefit from C0G/NP0 stability.

Q: Are tolerance differences significant for my application?

A: Tolerance affects capacitance accuracy at room temperature. The original part specifies ±20%. Tighter tolerances (±1%, ±2%, ±5%, ±10%) provide more precise capacitance values. Applications requiring specific capacitance values benefit from tighter tolerances. General purpose applications typically accept the original ±20% tolerance.

Q: Will the KEMET C0805C561JCGAC7800 fit my PCB designed for the original part?

A: The footprint is compatible (0805 package). However, the thickness is 0.055" (1.40mm) compared to 0.037" (0.94mm) for the original part. Verify PCB clearance above the component to ensure no interference with overlying components or conformal coating processes.

Q: Can I mix different substitute parts in the same circuit?

A: Yes, provided all parts meet the circuit's electrical requirements. Mixing parts with different tolerances or temperature coefficients is acceptable in general purpose applications. For precision circuits, maintain consistency in temperature coefficient and tolerance across all capacitors in critical signal paths.

Q: What is the significance of MSL 1 rating?

A: MSL 1 indicates unlimited shelf life without moisture bake-out requirements. All listed parts carry MSL 1 rating, ensuring standard storage and handling procedures are sufficient without special moisture control measures.

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