08056D184MAT2A Equivalent & Substitute Parts

Part Overview

The 08056D184MAT2A is a 0.18 µF ceramic capacitor manufactured by KYOCERA AVX, rated at 6.3V with X5R temperature coefficient in 0805 (2012 Metric) surface mount package. This part is Active status and ROHS3 compliant. Substitute parts are identified based on matching capacitance, package, and mounting type while accommodating variations in voltage rating, tolerance, and temperature coefficient within acceptable electrical parameters.

Key Parameters

Parameter	Value
Capacitance	0.18 µF
Voltage Rating	6.3V
Tolerance	±20%
Temperature Coefficient	X5R
Operating Temperature Range	-55°C ~ 85°C
Package / Case	0805 (2012 Metric)
Mounting Type	Surface Mount, MLCC
Size	0.079" L x 0.049" W (2.01mm x 1.25mm)
Thickness	0.055" (1.40mm)
RoHS Status	ROHS3 Compliant
MSL Rating	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution eligibility is determined by the following criteria:

Core Matching Parameters:

Capacitance: 0.18 µF (exact match required)
Package / Case: 0805 (2012 Metric) (exact match required)
Mounting Type: Surface Mount, MLCC (exact match required)

Allowable Variations:

Voltage Rating: May be equal to or higher than 6.3V
Tolerance: May be tighter (lower) than ±20%
Temperature Coefficient: X7R acceptable as upgrade (wider temperature range: -55°C ~ 125°C vs. -55°C ~ 85°C)
Manufacturer: Different manufacturers acceptable if all core parameters match

Substitute Parts Identified:

0805YC184JAT2A (KYOCERA AVX): 16V, ±5%, X7R
0805YC184KAT2A (KYOCERA AVX): 16V, ±10%, X7R
C0805C184J3RAC7800 (KEMET): 25V, ±5%, X7R
C0805C184K3RAC7800 (KEMET): 25V, ±10%, X7R
C0805C184K4RAC7800 (KEMET): 16V, ±10%, X7R
CC0805KRX7R7BB184 (YAGEO): 16V, ±10%, X7R
CC0805KRX7R8BB184 (YAGEO): 25V, ±10%, X7R

Parameter Comparison

Part Number	Manufacturer	Capacitance	Voltage Rating	Tolerance	Temperature Coefficient	Operating Temperature	Package	Thickness	RoHS Status	Inventory
08056D184MAT2A	KYOCERA AVX	0.18 µF	6.3V	±20%	X5R	-55°C ~ 85°C	0805	0.055" (1.40mm)	ROHS3	703 Pcs
0805YC184JAT2A	KYOCERA AVX	0.18 µF	16V	±5%	X7R	-55°C ~ 125°C	0805	0.037" (0.94mm)	ROHS3	1374 Pcs
0805YC184KAT2A	KYOCERA AVX	0.18 µF	16V	±10%	X7R	-55°C ~ 125°C	0805	0.037" (0.94mm)	ROHS3	18636 Pcs
C0805C184J3RAC7800	KEMET	0.18 µF	25V	±5%	X7R	-55°C ~ 125°C	0805	0.035" (0.88mm)	ROHS3	7561 Pcs
C0805C184K3RAC7800	KEMET	0.18 µF	25V	±10%	X7R	-55°C ~ 125°C	0805	0.035" (0.88mm)	ROHS3	888 Pcs
C0805C184K4RAC7800	KEMET	0.18 µF	16V	±10%	X7R	-55°C ~ 125°C	0805	0.035" (0.88mm)	ROHS3	1668 Pcs
CC0805KRX7R7BB184	YAGEO	0.18 µF	16V	±10%	X7R	-55°C ~ 125°C	0805	0.057" (1.45mm)	ROHS3	7925 Pcs
CC0805KRX7R8BB184	YAGEO	0.18 µF	25V	±10%	X7R	-55°C ~ 125°C	0805	0.057" (1.45mm)	ROHS3	11076 Pcs

Engineering Selection Recommendations

All substitute parts listed are Active status and ROHS3 compliant, meeting regulatory requirements equivalent to the main part. Selection among substitutes depends on circuit voltage requirements and tolerance specifications:

For 6.3V circuits: Use 0805YC184JAT2A or 0805YC184KAT2A (KYOCERA AVX) or C0805C184K4RAC7800 (KEMET) or CC0805KRX7R7BB184 (YAGEO). These provide 16V rating with adequate margin.

For circuits requiring tighter tolerance: 0805YC184JAT2A and C0805C184J3RAC7800 offer ±5% tolerance versus the original ±20%.

For higher voltage margin: C0805C184K3RAC7800, C0805C184J3RAC7800, or CC0805KRX7R8BB184 provide 25V rating.

For space-constrained designs: KEMET parts (C0805C series) offer reduced thickness (0.035" vs. 0.055" or 0.057").

All substitutes feature X7R temperature coefficient, providing extended operating range (-55°C ~ 125°C) compared to the original X5R (-55°C ~ 85°C).

Frequently Asked Questions (FAQ)

Q: Can I use a 16V or 25V rated capacitor in a 6.3V circuit? A: Yes. Higher voltage ratings are acceptable substitutes. The voltage rating indicates the maximum voltage the capacitor can withstand; using a higher-rated part in a lower-voltage application does not degrade performance.

Q: What is the difference between X5R and X7R temperature coefficients? A: X5R provides ±15% capacitance change over -55°C to 85°C. X7R provides ±15% capacitance change over -55°C to 125°C, offering a wider operating temperature range. X7R is suitable for applications requiring extended temperature performance.

Q: Does tolerance affect substitutability? A: Tolerance indicates capacitance accuracy. ±5% tolerance is tighter than ±20%, meaning the actual capacitance will be closer to the nominal value. Tighter tolerance substitutes are acceptable for the original part.

Q: Are all substitute parts pin-compatible? A: Yes. All substitute parts use identical 0805 (2012 Metric) surface mount package with the same footprint and pin spacing.

Q: Why do some substitutes have different thickness values? A: Thickness variation (0.035" to 0.057") results from different manufacturer designs and internal layer configurations. All parts fit the 0805 package specification and are compatible with standard PCB assembly processes.

Q: Which substitute offers the best availability? A: 0805YC184KAT2A (KYOCERA AVX) has the highest inventory at 18,636 pieces.

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