0805YC104MAT4T Equivalent & Substitute Parts

Part Overview

The 0805YC104MAT4T is a 0.1 µF ceramic capacitor manufactured by KYOCERA AVX with X7R temperature coefficient, rated for 16V operation. This multilayer ceramic capacitor (MLCC) in 0805 (2012 Metric) package format is designed for general-purpose applications requiring stable capacitance across the operating temperature range of -55°C to 125°C. The part is ROHS3 compliant with MSL 1 rating and is currently in active production status with 925 units in stock.

Substitute parts are identified when equivalent electrical performance can be maintained within the same package footprint while meeting or exceeding the original specifications. Alternatives are available with improved voltage ratings, tighter tolerances, or enhanced availability.

Key Parameters

Parameter	Value
Capacitance	0.1 µF
Tolerance	±20%
Voltage Rating	16V
Temperature Coefficient	X7R
Package / Case	0805 (2012 Metric)
Mounting Type	Surface Mount, MLCC
Operating Temperature Range	-55°C to 125°C
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution eligibility for the 0805YC104MAT4T is determined by the following criteria:

Primary Substitution Criteria:

Capacitance value must equal 0.1 µF
Package must be 0805 (2012 Metric)
Temperature coefficient must be X7R
Voltage rating must be equal to or greater than 16V
Mounting type must be Surface Mount, MLCC
Operating temperature range must encompass -55°C to 125°C
RoHS3 compliance required
MSL rating must be 1

Secondary Considerations:

Tolerance may be tighter (±5%, ±10%) than the original ±20%
Higher voltage ratings provide design margin
Packaging format (Tape & Reel) does not affect electrical compatibility

Parts are grouped by voltage rating upgrade level, with tolerance variations noted within each voltage category.

Parameter Comparison

Part Number	Manufacturer	Capacitance	Tolerance	Voltage Rating	Temperature Coefficient	Package	Thickness (Max)	RoHS Status	Inventory
0805YC104MAT4T	KYOCERA AVX	0.1 µF	±20%	16V	X7R	0805 (2012 Metric)	0.037" (0.94mm)	ROHS3	925 Pcs
0805DC104MAT2A	KYOCERA AVX	0.1 µF	±20%	35V	X7R	0805 (2012 Metric)	0.037" (0.94mm)	ROHS3	31729 Pcs
KGM21AR72A104MU	KYOCERA AVX	0.1 µF	±20%	100V	X7R	0805 (2012 Metric)	0.057" (1.45mm)	ROHS3	219107 Pcs
KGM21NR71C104JM	KYOCERA AVX	0.1 µF	±5%	16V	X7R	0805 (2012 Metric)	0.039" (1.00mm)	ROHS3	19091 Pcs
KGM21NR71C104KM	KYOCERA AVX	0.1 µF	±10%	16V	X7R	0805 (2012 Metric)	0.039" (1.00mm)	ROHS3	45824 Pcs
KGM21NR71C104KT	KYOCERA AVX	0.1 µF	±10%	16V	X7R	0805 (2012 Metric)	0.039" (1.00mm)	ROHS3	32342 Pcs
KGM21NR71C104MT	KYOCERA AVX	0.1 µF	±20%	16V	X7R	0805 (2012 Metric)	0.039" (1.00mm)	ROHS3	59774 Pcs
KGM21NR71E104JT	KYOCERA AVX	0.1 µF	±5%	25V	X7R	0805 (2012 Metric)	0.039" (1.00mm)	ROHS3	111083 Pcs
KGM21NR71E104KT	KYOCERA AVX	0.1 µF	±10%	25V	X7R	0805 (2012 Metric)	0.039" (1.00mm)	ROHS3	518460 Pcs
KGM21NR71E104MT	KYOCERA AVX	0.1 µF	±20%	25V	X7R	0805 (2012 Metric)	0.039" (1.00mm)	ROHS3	27488 Pcs
KGM21NR71H104JM	KYOCERA AVX	0.1 µF	±5%	50V	X7R	0805 (2012 Metric)	0.039" (1.00mm)	ROHS3	67008 Pcs

Engineering Selection Recommendations

All listed substitute parts maintain ROHS3 compliance and MSL 1 rating, ensuring compatibility with standard PCB assembly processes and environmental regulations. Selection between substitutes depends on circuit voltage requirements and tolerance specifications.

16V Voltage Class (Same Rating as Original): KGM21NR71C104JM, KGM21NR71C104KM, KGM21NR71C104KT, and KGM21NR71C104MT are direct voltage equivalents. These parts offer tighter tolerance options (±5% and ±10%) compared to the original ±20% specification. KGM21NR71C104MT maintains the original ±20% tolerance with higher inventory availability (59774 units).

25V Voltage Class (Moderate Upgrade): KGM21NR71E104JT, KGM21NR71E104KT, and KGM21NR71E104MT provide 56% voltage margin above the original 16V rating. KGM21NR71E104KT offers the highest inventory level (518460 units) with ±10% tolerance.

35V Voltage Class (Significant Upgrade): 0805DC104MAT2A provides 119% voltage margin with identical thickness to the original part (0.037"). Inventory availability is 31729 units.

100V Voltage Class (Maximum Upgrade): KGM21AR72A104MU delivers maximum voltage headroom but features increased thickness (0.057" vs. 0.037"), which may affect PCB layout in space-constrained applications.

Frequently Asked Questions (FAQ)

Q: Can I use a higher voltage-rated capacitor as a direct replacement? A: Yes. A capacitor rated for higher voltage than the circuit requirement is electrically compatible and provides additional design margin. All listed substitutes with voltage ratings of 16V or higher are suitable replacements for the 0805YC104MAT4T in circuits designed for 16V operation.

Q: What is the difference between ±5%, ±10%, and ±20% tolerance? A: Tolerance specifies the allowable deviation from the nominal 0.1 µF capacitance value. ±20% allows 0.08–0.12 µF, ±10% allows 0.09–0.11 µF, and ±5% allows 0.095–0.105 µF. Tighter tolerances are required for precision filtering or timing circuits; general-purpose applications typically accept ±20%.

Q: Does package thickness affect PCB assembly? A: Package thickness may impact PCB layout in applications with height constraints. The original part and most KGM series substitutes measure 0.039" (1.00mm) thickness, while KGM21AR72A104MU measures 0.057" (1.45mm). Verify clearance requirements before selecting the 100V option.

Q: Are all substitutes available in Tape & Reel packaging? A: The original 0805YC104MAT4T is supplied in standard packaging. All listed KGM series substitutes are available in Tape & Reel (TR) format, and 0805DC104MAT2A is also supplied in Tape & Reel. Confirm packaging requirements with procurement specifications.

Q: Which substitute offers the best availability? A: KGM21NR71E104KT (25V, ±10%) has the highest inventory at 518460 units, followed by KGM21AR72A104MU (100V, ±20%) at 219107 units. Both are suitable for general-purpose applications requiring the 0.1 µF capacitance value.

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