08055G104MAT2A Equivalent & Substitute Parts

Part Overview

The 08055G104MAT2A is a 0.1 µF ceramic capacitor manufactured by KYOCERA AVX, rated at 50V with Y5V temperature coefficient in 0805 (2012 Metric) surface mount package. This part is currently active in production with 1171 pieces in stock. Equivalent and substitute parts are identified based on matching capacitance, package size, and voltage rating, with allowances for improved temperature stability and tolerance specifications where applicable.

Key Parameters

Parameter	Value
Capacitance	0.1 µF
Voltage Rating	50V
Temperature Coefficient	Y5V (F)
Tolerance	±20%
Package / Case	0805 (2012 Metric)
Mounting Type	Surface Mount, MLCC
Operating Temperature	-30°C ~ 85°C
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution logic is based on the following criteria:

Direct Equivalents maintain identical capacitance (0.1 µF), voltage rating (50V), temperature coefficient (Y5V), tolerance (±20%), and package (0805). These parts are functionally interchangeable with the main part.

Upgrade Substitutes provide improved performance characteristics while maintaining the same capacitance and package. These include:

Enhanced temperature coefficient (X7R or X5R instead of Y5V) for superior capacitance stability across temperature ranges
Higher voltage ratings (100V or 63V) for increased design margin
Tighter tolerance (±5% or ±10% instead of ±20%) for improved precision

All substitute parts maintain 0805 package compatibility, surface mount MLCC mounting type, MSL 1 rating, and ROHS3 compliance.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Capacitance	Voltage	Tolerance	Temperature Coefficient	Operating Temperature	Thickness (Max)	RoHS Status
08055G104MAT2A	KYOCERA AVX	0.1 µF	50V	±20%	Y5V (F)	-30°C ~ 85°C	0.028" (0.71mm)	ROHS3 Compliant
C0805C104M5VAC7800	KEMET	0.1 µF	50V	±20%	Y5V (F)	-30°C ~ 85°C	0.035" (0.88mm)	ROHS3 Compliant
CC0805MRY5V9BB104	YAGEO	0.1 µF	50V	±20%	Y5V (F)	-30°C ~ 85°C	0.028" (0.70mm)	ROHS3 Compliant
KGM21AR72A104JU	KYOCERA AVX	0.1 µF	100V	±5%	X7R	-55°C ~ 125°C	0.057" (1.45mm)	ROHS3 Compliant
KGM21AR72A104KU	KYOCERA AVX	0.1 µF	100V	±10%	X7R	-55°C ~ 125°C	0.057" (1.45mm)	ROHS3 Compliant
KGM21KR51H104KU	KYOCERA AVX	0.1 µF	50V	±10%	X5R	-55°C ~ 85°C	0.055" (1.40mm)	ROHS3 Compliant
LD055C104JAB2A	KYOCERA AVX	0.1 µF	50V	±5%	X7R	-55°C ~ 125°C	0.037" (0.94mm)	RoHS non-compliant
0805J0500104JXT	Knowles Syfer	0.1 µF	50V	±5%	X7R	-55°C ~ 125°C	0.051" (1.30mm)	ROHS3 Compliant
0805J0500104KJT	Knowles Syfer	0.1 µF	50V	±10%	X7R	-55°C ~ 125°C	0.054" (1.37mm)	ROHS3 Compliant
0805J0630104KXT	Knowles Syfer	0.1 µF	63V	±10%	X7R	-55°C ~ 125°C	0.051" (1.30mm)	ROHS3 Compliant
C0805C104J1RAC7800	KEMET	0.1 µF	100V	±5%	X7R	-55°C ~ 125°C	0.043" (1.10mm)	ROHS3 Compliant

Engineering Selection Recommendations

Direct Equivalents (Functionally Interchangeable):

C0805C104M5VAC7800 (KEMET) and CC0805MRY5V9BB104 (YAGEO) are direct functional equivalents with identical electrical specifications. Both maintain ROHS3 compliance and MSL 1 rating. Selection between these and the main part depends on supply availability and procurement preferences.

Upgrade Substitutes with Enhanced Stability:

KGM21AR72A104JU and KGM21AR72A104KU (KYOCERA AVX, 100V X7R) provide superior temperature stability and higher voltage margin. These are suitable for applications requiring extended operating temperature range (-55°C to 125°C) and improved capacitance retention.
KGM21KR51H104KU (KYOCERA AVX, 50V X5R) offers improved temperature stability at the same voltage rating with tighter tolerance.
0805J0500104JXT and 0805J0500104KJT (Knowles Syfer, 50V X7R) provide X7R stability at 50V with ROHS3 compliance.
0805J0630104KXT (Knowles Syfer, 63V X7R) offers increased voltage headroom with X7R temperature coefficient.
C0805C104J1RAC7800 (KEMET, 100V X7R) combines highest voltage rating with X7R stability.

Non-Compliant Alternative:

LD055C104JAB2A (KYOCERA AVX) is RoHS non-compliant and REACH affected. Use only in applications where legacy compliance status is acceptable.

Frequently Asked Questions (FAQ)

Q: Can I use a 100V rated capacitor in place of the 50V 08055G104MAT2A? A: Yes. Higher voltage ratings provide increased design margin and are electrically compatible. The 100V parts (KGM21AR72A104JU, KGM21AR72A104KU, C0805C104J1RAC7800) will function correctly in 50V applications.

Q: What is the difference between Y5V and X7R temperature coefficients? A: Y5V provides ±20% capacitance change over -30°C to 85°C. X7R provides ±15% capacitance change over -55°C to 125°C, offering superior stability across a wider temperature range. X7R is preferred for precision applications and extended temperature environments.

Q: Are all substitute parts in the same 0805 package? A: Yes. All listed parts use 0805 (2012 Metric) surface mount package. However, thickness varies between 0.028" and 0.057". Verify PCB layout clearance if space is constrained.

Q: Which substitute offers the best tolerance? A: Parts with ±5% tolerance (KGM21AR72A104JU, LD055C104JAB2A, 0805J0500104JXT, C0805C104J1RAC7800) provide tighter tolerance than the original ±20% specification.

Q: Is the LD055C104JAB2A suitable for new designs? A: No. This part is RoHS non-compliant and REACH affected. It is suitable only for legacy or non-regulated applications. Use ROHS3 compliant alternatives for new designs.

Q: Can I mix different manufacturers in the same circuit? A: Yes. All listed parts meet the same electrical specifications for capacitance, voltage, and package. Mixing manufacturers is acceptable from an electrical standpoint, though procurement and supply chain considerations may apply.

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