0603YC181MAT2A Equivalent & Substitute Parts

Part Overview

The 0603YC181MAT2A is a 180 pF ±20% 16V ceramic capacitor in X7R temperature coefficient, manufactured by KYOCERA AVX in 0603 (1608 Metric) surface mount package. This component is classified as Active product status with ROHS3 compliance and unlimited moisture sensitivity level (MSL 1). The part is suitable for general purpose applications requiring ceramic capacitance in compact form factor. Substitute parts are identified based on matching capacitance value, package size, and operating temperature range while accommodating variations in voltage rating, tolerance, and temperature coefficient specifications.

Key Parameters

Parameter	Value
Manufacturer Part Number	0603YC181MAT2A
Manufacturer	KYOCERA AVX
Capacitance	180 pF
Tolerance	±20%
Voltage - Rated	16V
Temperature Coefficient	X7R
Operating Temperature	-55°C ~ 125°C
Package / Case	0603 (1608 Metric)
Size / Dimension	0.063" L x 0.032" W (1.60mm x 0.81mm)
Thickness (Max)	0.035" (0.90mm)
Mounting Type	Surface Mount, MLCC
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)
Product Status	Active

Substitute Part Grouping Explanation

Substitution eligibility for the 0603YC181MAT2A is determined by the following criteria:

Mandatory Matching Parameters:

Capacitance: 180 pF (exact match required)
Package / Case: 0603 (1608 Metric) (exact match required)
Operating Temperature Range: -55°C ~ 125°C (exact match required)
Mounting Type: Surface Mount, MLCC (exact match required)

Allowable Variation Parameters:

Voltage - Rated: May be equal to or greater than 16V
Tolerance: May be tighter (lower) than ±20%
Temperature Coefficient: X7R or C0G/NP0 acceptable
RoHS Status: ROHS3 Compliant or equivalent
Moisture Sensitivity Level: MSL 1 (Unlimited) required

Substitute parts are grouped into two categories: KYOCERA AVX X7R variants with upgraded voltage ratings and tolerance specifications, and alternative manufacturer C0G/NP0 and X7R variants with comparable electrical and mechanical characteristics.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Capacitance	Tolerance	Voltage - Rated	Temperature Coefficient	Package / Case	RoHS Status	Product Status
0603YC181MAT2A	KYOCERA AVX	180 pF	±20%	16V	X7R	0603 (1608 Metric)	ROHS3 Compliant	Active
06031C181KAT2A	KYOCERA AVX	180 pF	±10%	100V	X7R	0603 (1608 Metric)	ROHS3 Compliant	Active
06032C181KAT2A	KYOCERA AVX	180 pF	±10%	200V	X7R	0603 (1608 Metric)	ROHS3 Compliant	Active
06035C181KAT2A	KYOCERA AVX	180 pF	±10%	50V	X7R	0603 (1608 Metric)	ROHS3 Compliant	Active
KGM15ACG1H181FT	KYOCERA AVX	180 pF	±1%	50V	C0G, NP0	0603 (1608 Metric)	ROHS3 Compliant	Active
KGM15ACG1H181GT	KYOCERA AVX	180 pF	±2%	50V	C0G, NP0	0603 (1608 Metric)	ROHS3 Compliant	Active
C0603C181F5GAC7867	KEMET	180 pF	±1%	50V	C0G, NP0	0603 (1608 Metric)	ROHS3 Compliant	Active
C0603C181J5GAL7867	KEMET	180 pF	±5%	50V	C0G, NP0	0603 (1608 Metric)	RoHS non-compliant	Active
C0603C181J5RAC7867	KEMET	180 pF	±5%	50V	X7R	0603 (1608 Metric)	ROHS3 Compliant	Active
C0603C181K3RAC7867	KEMET	180 pF	±10%	25V	X7R	0603 (1608 Metric)	ROHS3 Compliant	Active
C0603C181K5GAC7867	KEMET	180 pF	±10%	50V	C0G, NP0	0603 (1608 Metric)	ROHS3 Compliant	Active

Engineering Selection Recommendations

KYOCERA AVX X7R Series (Same Manufacturer, Upgraded Specifications):

The 06031C181KAT2A, 06032C181KAT2A, and 06035C181KAT2A maintain identical capacitance, package, and temperature coefficient while offering improved tolerance (±10% versus ±20%) and higher voltage ratings (100V, 200V, and 50V respectively). All three variants are ROHS3 compliant with Active product status. Selection among these depends on circuit voltage requirements: 06035C181KAT2A for 50V applications, 06031C181KAT2A for 100V applications, and 06032C181KAT2A for 200V applications.

KYOCERA AVX C0G/NP0 Series (Temperature Coefficient Alternative):

The KGM15ACG1H181FT and KGM15ACG1H181GT offer C0G/NP0 temperature coefficient with significantly tighter tolerance specifications (±1% and ±2% respectively) compared to the original ±20%. Both are rated at 50V and maintain ROHS3 compliance and Active status. C0G/NP0 temperature coefficient provides superior stability across the operating temperature range compared to X7R, suitable for precision applications.

KEMET C0G/NP0 Series (Alternative Manufacturer, Precision Grade):

The C0603C181F5GAC7867 and C0603C181K5GAC7867 provide C0G/NP0 temperature coefficient with ±1% and ±10% tolerance respectively, both rated at 50V. These KEMET parts are ROHS3 compliant with Active status and feature Low ESL characteristics. The C0603C181F5GAC7867 offers the tightest tolerance specification (±1%) among all substitutes.

KEMET X7R Series (Alternative Manufacturer, Standard Grade):

The C0603C181J5RAC7867 maintains X7R temperature coefficient with ±5% tolerance at 50V, ROHS3 compliant and Active status. The C0603C181K3RAC7867 provides X7R at 25V with ±10% tolerance, suitable for lower voltage applications.

Compliance Consideration:

The C0603C181J5GAL7867 is RoHS non-compliant and should be selected only when legacy component compatibility is explicitly required.

Frequently Asked Questions (FAQ)

Q: Can I use a substitute part with higher voltage rating than the original 0603YC181MAT2A?

A: Yes. A higher voltage rating is acceptable for direct substitution. The 06031C181KAT2A (100V), 06032C181KAT2A (200V), and 06035C181KAT2A (50V) all function in circuits designed for 16V operation. Higher voltage ratings provide additional safety margin and do not degrade circuit performance.

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

A: X7R temperature coefficient exhibits capacitance variation of ±15% across the -55°C to 125°C operating range. C0G/NP0 temperature coefficient provides superior stability with minimal capacitance change across temperature. Selection depends on application requirements for temperature stability. General purpose applications typically accept X7R; precision circuits require C0G/NP0.

Q: Are KYOCERA AVX and KEMET parts directly interchangeable?

A: Yes, provided capacitance, package size, voltage rating, and operating temperature range match. Both manufacturers produce 0603 (1608 Metric) packages with identical physical dimensions and electrical characteristics. Verify tolerance and temperature coefficient specifications match circuit requirements before substitution.

Q: Does tolerance affect circuit performance?

A: Tolerance determines the acceptable capacitance range at nominal conditions. The original ±20% tolerance allows 144 pF to 216 pF actual capacitance. Tighter tolerance substitutes (±10%, ±5%, ±1%) provide more precise capacitance values, beneficial for frequency-dependent circuits, filters, and precision timing applications. Standard tolerance (±20%) is acceptable for bypass and decoupling applications.

Q: Can I substitute a 25V rated part in a 16V circuit?

A: No. The C0603C181K3RAC7867 rated at 25V is not suitable for the original 16V application. Voltage rating must equal or exceed circuit voltage. Use only parts rated at 16V or higher.

Q: What does MSL 1 (Unlimited) mean?

A: Moisture Sensitivity Level 1 indicates the component requires no special moisture control during storage, handling, or assembly. All listed substitutes maintain MSL 1 classification, ensuring compatibility with standard manufacturing processes.

Q: Are all listed parts ROHS3 compliant?

A: All substitutes except C0603C181J5GAL7867 are ROHS3 compliant. The C0603C181J5GAL7867 is RoHS non-compliant and should be used only when legacy component requirements mandate it.

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