ECJ-0EF1C333Z Equivalent & Substitute Parts

Part Overview

The ECJ-0EF1C333Z is a 0.033 µF ceramic capacitor manufactured by Panasonic Electronic Components, rated for 16V with Y5V temperature coefficient in 0402 (1005 Metric) surface mount package. This part is classified as obsolete, making equivalent and substitute components necessary for ongoing production and design requirements. Substitute parts maintain the same capacitance, tolerance, and package specifications while offering active product status and improved availability.

Substiute Parts

ECJ-0EF1C333Z

Panasonic Electronic ComponentsIn Stock: 965ECJ-0EF1C333Z Datasheet

Current PartRFQ

0402YG333ZAT2A

KYOCERA AVXIn Stock: 11620402YG333ZAT2A Datasheet

DirectRFQ

GRM155R71E333KA88D

Murata ElectronicsIn Stock: 55358GRM155R71E333KA88D Datasheet

DirectRFQ

CL05F333ZA5NNNC

Samsung Electro-MechanicsIn Stock: 10456CL05F333ZA5NNNC Datasheet

UpgradeRFQ

CC0402ZRY5V7BB333

YAGEOIn Stock: 35340CC0402ZRY5V7BB333 Datasheet

Parametric EquivalentRFQ

CL05F333ZO5NNNC

Samsung Electro-MechanicsIn Stock: 1152CL05F333ZO5NNNC Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution for the ECJ-0EF1C333Z is determined by the following critical parameters: capacitance value (0.033 µF), package type (0402), mounting configuration (Surface Mount MLCC), and physical dimensions. The substitute parts are grouped into three categories based on electrical specifications:

Parametric Equivalents (Same Electrical Specifications): Parts maintaining identical capacitance, tolerance (-20%, +80%), voltage rating (16V), and temperature coefficient (Y5V). These provide direct functional replacement with no circuit performance impact.

Direct Manufacturer Equivalent (Same Capacitance, Enhanced Voltage Rating): The 0402YG333ZAT2A from KYOCERA AVX maintains all electrical parameters of the original part with identical voltage rating and temperature coefficient.

Upgrade Substitute (Same Capacitance, Elevated Voltage Rating): The CL05F333ZA5NNNC from Samsung Electro-Mechanics provides the same capacitance and tolerance with an increased 25V voltage rating, suitable for applications requiring higher voltage margin.

Parametric Equivalent with Different Temperature Coefficient: The GRM155R71E333KA88D from Murata Electronics maintains 0.033 µF capacitance with an upgraded 25V voltage rating and X7R temperature coefficient, offering wider operating temperature range (-55°C ~ 125°C) compared to the Y5V specification.

Parameter Comparison

Engineering Selection Recommendations

For direct replacement of the obsolete ECJ-0EF1C333Z, select from the parametric equivalents that maintain identical electrical specifications: 0402YG333ZAT2A (KYOCERA AVX), CC0402ZRY5V7BB333 (YAGEO), or CL05F333ZO5NNNC (Samsung Electro-Mechanics). All three parts are active products with ROHS3 compliance and REACH unaffected status, ensuring regulatory compliance and supply chain continuity.

The CL05F333ZA5NNNC (Samsung Electro-Mechanics) provides an upgrade path with elevated 25V voltage rating while maintaining Y5V temperature coefficient, suitable for applications requiring additional voltage margin without circuit redesign.

The GRM155R71E333KA88D (Murata Electronics) offers enhanced performance with X7R temperature coefficient and extended operating range (-55°C ~ 125°C), though this substitution requires verification of tolerance impact due to ±10% specification versus the original -20%, +80% tolerance.

All substitute parts maintain identical 0402 package dimensions and surface mount configuration, ensuring PCB layout compatibility without modification.

Frequently Asked Questions (FAQ)

Q: Can the 0402YG333ZAT2A directly replace the ECJ-0EF1C333Z without circuit modification?

A: Yes. The 0402YG333ZAT2A maintains identical capacitance (0.033 µF), tolerance (-20%, +80%), voltage rating (16V), temperature coefficient (Y5V), and package specifications (0402). No circuit redesign is required.

Q: What is the difference between Y5V and X7R temperature coefficients?

A: Y5V has a temperature coefficient range of -30°C ~ 85°C with capacitance variation of -20%, +80% across this range. X7R has a wider operating range of -55°C ~ 125°C with tighter capacitance stability (±15%). Selection depends on application temperature requirements and capacitance tolerance specifications.

Q: Is the CL05F333ZA5NNNC (25V rating) suitable for a 16V circuit application?

A: Yes. The CL05F333ZA5NNNC is rated for 25V, which exceeds the 16V requirement of the original circuit. Higher voltage-rated capacitors operate safely in lower voltage applications. This substitution provides additional voltage margin without performance degradation.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All active substitute parts listed (0402YG333ZAT2A, CC0402ZRY5V7BB333, CL05F333ZO5NNNC, CL05F333ZA5NNNC, and GRM155R71E333KA88D) are ROHS3 compliant and REACH unaffected, meeting current regulatory requirements.

Q: What is the impact of tolerance differences between -20%, +80% and ±10%?

A: The original ECJ-0EF1C333Z and most substitutes use -20%, +80% tolerance, allowing capacitance variation from 0.0264 µF to 0.0594 µF. The GRM155R71E333KA88D uses ±10% tolerance, limiting variation to 0.0297 µF to 0.0363 µF. The tighter tolerance of the GRM part may be beneficial for precision applications but requires circuit analysis to confirm compatibility.

Q: Are there packaging differences between substitute parts?

A: Most substitutes are supplied in Tape & Reel (TR) or Cut Tape (CT) & Digi-Reel® packaging. The 0402YG333ZAT2A and CC0402ZRY5V7BB333 are Tape & Reel. The CL05F333ZO5NNNC packaging is not specified. Verify packaging requirements with your procurement process, as all parts maintain identical 0402 physical dimensions.