04026D333MAT2A Ceramic Capacitor 0.033µF 6.3V X5R 0402 Equivalent & Substitute Parts

Part Overview

The 04026D333MAT2A is a 0.033µF ceramic capacitor manufactured by KYOCERA AVX in 0402 (1005 Metric) surface mount package with X5R temperature coefficient and 6.3V rated voltage. This part is classified as Active product status and is ROHS3 compliant with MSL 1 rating. Substitute parts are identified based on matching capacitance value, package size, and compatible electrical parameters within the 0402 form factor. Alternative sources become necessary for design flexibility, supply chain optimization, or when specific performance characteristics require upgraded voltage ratings or improved temperature stability.

Key Parameters

Parameter	Value
Capacitance	0.033 µF
Tolerance	±20%
Voltage - Rated	6.3V
Temperature Coefficient	X5R
Operating Temperature Range	-55°C ~ 85°C
Package / Case	0402 (1005 Metric)
Mounting Type	Surface Mount, MLCC
Size / Dimension	0.039" L x 0.020" W (1.00mm x 0.50mm)
Thickness (Max)	0.022" (0.56mm)
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution of the 04026D333MAT2A is determined by the following criteria:

Primary Matching Parameters:

Capacitance value: 0.033 µF (exact match required)
Package size: 0402 (1005 Metric) (exact match required)
Mounting type: Surface Mount, MLCC (exact match required)

Allowable Variation Parameters:

Voltage rating: May be equal to or greater than 6.3V
Tolerance: May be equal to or tighter than ±20%
Temperature coefficient: X5R or X7R acceptable (X7R provides extended temperature range -55°C ~ 125°C versus X5R -55°C ~ 85°C)
Thickness: Up to 0.022" (0.55mm) acceptable

Compliance Requirements:

RoHS3 compliance required
MSL 1 rating required
Active or equivalent product status

Substitute parts are grouped by manufacturer and performance tier: KYOCERA AVX upgrade options with improved voltage ratings and tolerance specifications, Taiyo Yuden direct equivalent, and KEMET alternatives with X7R temperature stability options.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Capacitance	Tolerance	Voltage	Temp Coeff	Temp Range	Product Status	Inventory
04026D333MAT2A	KYOCERA AVX	0.033 µF	±20%	6.3V	X5R	-55°C ~ 85°C	Active	755 Pcs
KGM05AR51C333KH	KYOCERA AVX	0.033 µF	±10%	16V	X5R	-55°C ~ 85°C	Active	31275 Pcs
KGM05AR71C333JH	KYOCERA AVX	0.033 µF	±5%	16V	X7R	-55°C ~ 125°C	Active	9755 Pcs
KGM05AR71C333KH	KYOCERA AVX	0.033 µF	±10%	16V	X7R	-55°C ~ 125°C	Active	21916 Pcs
KGM05AR71C333MH	KYOCERA AVX	0.033 µF	±20%	16V	X7R	-55°C ~ 125°C	Active	10890 Pcs
TMK105BJ333KV-F	Taiyo Yuden	0.033 µF	±10%	25V	X5R	-55°C ~ 85°C	Not For New Designs	662994 Pcs
C0402C333J3RAC7867	KEMET	0.033 µF	±5%	25V	X7R	-55°C ~ 125°C	Active	27476 Pcs
C0402C333J4RAC7867	KEMET	0.033 µF	±5%	16V	X7R	-55°C ~ 125°C	Active	21155 Pcs
C0402C333K3RAC7867	KEMET	0.033 µF	±10%	25V	X7R	-55°C ~ 125°C	Active	18427 Pcs
C0402C333K4PAC7867	KEMET	0.033 µF	±10%	16V	X5R	-55°C ~ 85°C	Active	4022 Pcs
C0402C333K4RAC7867	KEMET	0.033 µF	±10%	16V	X7R	-55°C ~ 125°C	Active	226611 Pcs

Engineering Selection Recommendations

KYOCERA AVX Upgrade Path (Same Manufacturer): KGM05AR51C333KH provides direct manufacturer upgrade with improved ±10% tolerance and 16V rating while maintaining X5R temperature coefficient. KGM05AR71C333KH and KGM05AR71C333KH offer extended temperature range (-55°C ~ 125°C) via X7R coefficient with 16V rating. KGM05AR71C333MH maintains ±20% tolerance matching original specification with X7R benefits. All KYOCERA AVX substitutes are Active status with high inventory availability.

Cross-Manufacturer Alternatives: KEMET C0402C333K4PAC7867 matches original X5R temperature coefficient with 16V rating and ±10% tolerance. KEMET C0402C333K4RAC7867 provides highest inventory (226611 Pcs) with X7R stability and 16V rating at ±10% tolerance. KEMET C0402C333J4RAC7867 offers ±5% tolerance with X7R and 16V rating for precision applications.

Higher Voltage Options: KEMET C0402C333J3RAC7867 and C0402C333K3RAC7867 provide 25V rating with X7R temperature coefficient for applications requiring additional voltage margin. Taiyo Yuden TMK105BJ333KV-F offers 25V X5R equivalent but carries "Not For New Designs" status and should be avoided for new development.

Selection Criteria:

For direct substitution with improved tolerance: KGM05AR51C333KH
For extended temperature range: KGM05AR71C333KH or C0402C333K4RAC7867
For maximum inventory availability: C0402C333K4RAC7867
For precision tolerance requirement: KGM05AR71C333JH or C0402C333J4RAC7867

All recommended substitutes maintain ROHS3 compliance, MSL 1 rating, and 0402 package compatibility.

Frequently Asked Questions (FAQ)

Q: Can I use a substitute part with higher voltage rating than the original 6.3V specification? A: Yes. Higher voltage ratings are acceptable substitutes. Parts rated 16V or 25V will function in circuits designed for 6.3V operation. Voltage rating indicates maximum safe operating voltage; using a higher-rated component provides additional safety margin without affecting circuit performance at lower voltages.

Q: What is the difference between X5R and X7R temperature coefficients? A: X5R maintains capacitance within ±15% across -55°C to +85°C operating range. X7R maintains capacitance within ±15% across -55°C to +125°C operating range. X7R provides extended high-temperature stability. Both are acceptable substitutes for the original X5R part unless circuit design specifically limits operating temperature to 85°C maximum.

Q: Are tolerance differences significant for substitution? A: The original part specifies ±20% tolerance. Substitutes with ±10% or ±5% tolerance are acceptable and provide tighter capacitance control. Substitutes with looser tolerance than ±20% are not acceptable. Tighter tolerance substitutes improve circuit performance without compatibility issues.

Q: Is the 0402 package size critical for substitution? A: Yes. The 0402 (1005 Metric) package size is mandatory for substitution. All listed alternatives maintain identical 0.039" L x 0.020" W dimensions and 0.022" maximum thickness. Package size determines PCB footprint compatibility and cannot be varied.

Q: Can I substitute with Taiyo Yuden TMK105BJ333KV-F? A: TMK105BJ333KV-F meets electrical and package requirements but carries "Not For New Designs" product status. This designation indicates the manufacturer is discontinuing the product line. Use only for legacy system maintenance or repair; select Active status alternatives for new designs.

Q: What inventory considerations apply to substitution? A: KEMET C0402C333K4RAC7867 offers highest inventory (226611 Pcs) for immediate availability. KYOCERA AVX KGM05AR51C333KH provides 31275 Pcs. Taiyo Yuden TMK105BJ333KV-F shows 662994 Pcs but should not be selected due to discontinued status. Verify current inventory with supplier before design commitment.

Q: Are all substitutes ROHS3 compliant? A: Yes. All listed substitute parts maintain ROHS3 compliance and MSL 1 (Unlimited) moisture sensitivity rating, matching the original part's environmental certifications.

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