04025C182MAT2A Equivalent & Substitute Parts

Part Overview

The 04025C182MAT2A is a 1800 pF ceramic capacitor manufactured by KYOCERA AVX in 0402 (1005 Metric) surface mount package. This multilayer ceramic capacitor (MLCC) features X7R temperature coefficient, 50V rated voltage, and ±20% tolerance. The part is actively produced and widely used in general-purpose applications requiring compact form factor and stable capacitance across operating temperature ranges of -55°C to 125°C.

Substitute parts are necessary when the original part becomes unavailable, when tighter tolerance specifications are required, or when alternative manufacturers' inventory provides better lead times and cost optimization while maintaining electrical and mechanical compatibility.

Key Parameters

Parameter	Value
Capacitance	1800 pF
Tolerance	±20%
Voltage Rating	50V
Temperature Coefficient	X7R
Operating Temperature Range	-55°C to 125°C
Package / Case	0402 (1005 Metric)
Mounting Type	Surface Mount, MLCC
Physical Dimensions	0.039" L x 0.020" W (1.00mm x 0.50mm)
Thickness (Max)	0.022" (0.56mm)
Moisture Sensitivity Level	1 (Unlimited)
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution eligibility for the 04025C182MAT2A is determined by strict equivalence in the following parameters:

Capacitance Value: Must be 1800 pF (no deviation)
Voltage Rating: Must be 50V or higher
Temperature Coefficient: Must be X7R
Package / Case: Must be 0402 (1005 Metric)
Mounting Type: Must be Surface Mount, MLCC
Physical Dimensions: Must match 0.039" L x 0.020" W (1.00mm x 0.50mm)
Moisture Sensitivity Level: Must be MSL 1 or equivalent
Compliance: Must maintain ROHS3 and REACH Unaffected status

Tolerance specifications (±20%, ±10%, ±5%) represent acceptable variations in capacitance value and do not prevent substitution. Tighter tolerances (±5%, ±10%) are direct upgrades to the original ±20% specification and provide improved precision without functional incompatibility.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Capacitance	Tolerance	Voltage Rating	Temperature Coefficient	Package	Thickness (Max)	Product Status	RoHS Status
04025C182MAT2A	KYOCERA AVX	1800 pF	±20%	50V	X7R	0402 (1005 Metric)	0.022" (0.56mm)	Active	ROHS3 Compliant
04025C182JAT2A	KYOCERA AVX	1800 pF	±5%	50V	X7R	0402 (1005 Metric)	0.022" (0.56mm)	Active	ROHS3 Compliant
04025C182KAT2A	KYOCERA AVX	1800 pF	±10%	50V	X7R	0402 (1005 Metric)	0.022" (0.56mm)	Active	ROHS3 Compliant
C0402C182J5RAC7867	KEMET	1800 pF	±5%	50V	X7R	0402 (1005 Metric)	0.022" (0.55mm)	Active	ROHS3 Compliant
C0402C182K5RAC7867	KEMET	1800 pF	±10%	50V	X7R	0402 (1005 Metric)	0.022" (0.55mm)	Active	ROHS3 Compliant
CC0402JRX7R9BB182	YAGEO	1800 pF	±5%	50V	X7R	0402 (1005 Metric)	0.022" (0.55mm)	Active	ROHS3 Compliant
GRM155R71H182KA01D	Murata Electronics	1800 pF	±10%	50V	X7R	0402 (1005 Metric)	0.022" (0.55mm)	Not For New Designs	ROHS3 Compliant

Engineering Selection Recommendations

All listed substitute parts meet the electrical and mechanical requirements for direct replacement of the 04025C182MAT2A. Selection among substitutes should be based on the following criteria:

Active Production Status: Parts 04025C182JAT2A, 04025C182KAT2A, C0402C182J5RAC7867, C0402C182K5RAC7867, and CC0402JRX7R9BB182 are in active production. The GRM155R71H182KA01D carries a "Not For New Designs" status and should be used only for legacy system maintenance or repair applications.

Tolerance Specification: The original 04025C182MAT2A specifies ±20% tolerance. Substitutes with ±10% tolerance (04025C182KAT2A, C0402C182K5RAC7867, GRM155R71H182KA01D) provide improved precision. Substitutes with ±5% tolerance (04025C182JAT2A, C0402C182J5RAC7867, CC0402JRX7R9BB182) offer the tightest tolerance specification and are suitable for applications requiring enhanced capacitance stability.

Compliance and Certifications: All substitute parts maintain ROHS3 compliance and REACH Unaffected status, ensuring regulatory compatibility with the original part.

Manufacturer Availability: KYOCERA AVX substitutes (04025C182JAT2A, 04025C182KAT2A) provide direct manufacturer continuity. KEMET (C0402C182J5RAC7867, C0402C182K5RAC7867), YAGEO (CC0402JRX7R9BB182), and Murata Electronics (GRM155R71H182KA01D) offer cross-manufacturer alternatives with equivalent electrical performance.

Frequently Asked Questions (FAQ)

Q: Can I use a substitute part with ±5% tolerance in place of the original ±20% tolerance part?

A: Yes. Tighter tolerance specifications represent an upgrade path. A ±5% tolerance part will perform within the acceptable range of the original ±20% specification while providing improved capacitance stability.

Q: Are all substitute parts pin-compatible with the original 04025C182MAT2A?

A: Yes. All substitute parts use the 0402 (1005 Metric) surface mount package with identical footprint dimensions (0.039" L x 0.020" W). Physical placement and soldering procedures remain unchanged.

Q: What is the difference between the KYOCERA AVX substitutes?

A: The three KYOCERA AVX alternatives differ only in tolerance specification: 04025C182JAT2A (±5%), 04025C182KAT2A (±10%), and the original 04025C182MAT2A (±20%). All other electrical and mechanical parameters are identical.

Q: Why is the GRM155R71H182KA01D marked "Not For New Designs"?

A: This designation indicates that Murata Electronics has transitioned this part to legacy status. While electrically and mechanically equivalent, it should be used only for replacement or repair of existing systems. New designs should select from parts with "Active" production status.

Q: Do all substitute parts have the same moisture sensitivity level?

A: Yes. All substitute parts maintain MSL 1 (Unlimited) moisture sensitivity level, indicating no special moisture handling or baking requirements prior to soldering.

Q: Can I mix different manufacturer parts in the same circuit board assembly?

A: Yes. All substitute parts meet identical electrical specifications for capacitance, voltage rating, and temperature coefficient. Mixing manufacturers on the same board does not create functional incompatibility, though single-source procurement is often preferred for supply chain consistency.

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