ECJ-0EF1H102Z Equivalent & Substitute Parts

Part Overview

The ECJ-0EF1H102Z is a 1000 pF ceramic capacitor rated at 50V with Y5V temperature coefficient in 0402 (1005 Metric) surface mount package, manufactured by Panasonic Electronic Components. This part is classified as obsolete, making equivalent substitutes necessary for ongoing production and maintenance applications. The Y5V dielectric offers capacitance stability suitable for general-purpose filtering and coupling applications across the -30°C to 85°C operating range.

Substiute Parts

ECJ-0EF1H102Z

Panasonic Electronic ComponentsIn Stock: 914ECJ-0EF1H102Z Datasheet

Current PartRFQ

04025G102ZAT2A

KYOCERA AVXIn Stock: 100104025G102ZAT2A Datasheet

DirectRFQ

C1005X8R1H102K050BA

TDK CorporationIn Stock: 1410C1005X8R1H102K050BA Datasheet

DirectRFQ

GRM155R71H102KA01D

Murata ElectronicsIn Stock: 10202GRM155R71H102KA01D Datasheet

DirectRFQ

KGM05AR71H102KH

KYOCERA AVXIn Stock: 2571083KGM05AR71H102KH Datasheet

DirectRFQ

UMK105B7102KV-F

Taiyo YudenIn Stock: 73127UMK105B7102KV-F Datasheet

DirectRFQ

C0402C102K5RAC7867

KEMETIn Stock: 30356C0402C102K5RAC7867 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution for the ECJ-0EF1H102Z is determined by strict adherence to the following electrical and mechanical parameters:

Primary Substitution Criteria:

• Capacitance: 1000 pF (exact match required)
• Voltage Rating: 50V (minimum requirement)
• Package / Case: 0402 (1005 Metric) (exact match required)
• Mounting Type: Surface Mount, MLCC (exact match required)
• Moisture Sensitivity Level: 1 (Unlimited) (exact match required)

Secondary Compatibility Factors:

• Temperature Coefficient: Y5V or X7R/X8R acceptable (different dielectric types with equivalent or superior stability)
• Operating Temperature Range: Must encompass or exceed -30°C ~ 85°C
• Physical Dimensions: Must match 0.039" L x 0.020" W and 0.022" (0.55mm) maximum thickness

Substitute parts are grouped into two categories:

Direct Equivalents (Y5V Dielectric): Parts maintaining the original Y5V temperature coefficient specification.

Compatible Alternatives (X7R/X8R Dielectric): Parts with superior temperature stability characteristics (X7R or X8R) that meet or exceed all electrical and mechanical requirements while offering improved performance across extended temperature ranges.

Parameter Comparison

Engineering Selection Recommendations

For Direct Replacement (Identical Specifications): Select 04025G102ZAT2A (KYOCERA AVX). This part maintains the original Y5V temperature coefficient and -20%, +80% tolerance specification while offering active product status and ROHS3 compliance. Inventory availability is confirmed at 948 pieces.

For Enhanced Performance Applications: Select from the following X7R alternatives when superior temperature stability and tighter tolerance (±10%) are required:

• KGM05AR71H102KH (KYOCERA AVX): Active product status with extensive inventory (2,571,048 pieces). X7R dielectric provides ±10% tolerance and -55°C ~ 125°C operating range, exceeding the original specification.

• C0402C102K5RAC7867 (KEMET): Active product status with 30,300 pieces in stock. X7R dielectric suitable for bypass and decoupling applications with ±10% tolerance and -55°C ~ 125°C operating range.

For Extended Temperature Range Requirements: Select C1005X8R1H102K050BA (TDK Corporation). X8R dielectric offers the widest operating temperature range (-55°C ~ 150°C) with ±10% tolerance and 1,384 pieces available inventory.

Parts to Avoid for New Designs: GRM155R71H102KA01D (Murata Electronics) and UMK105B7102KV-F (Taiyo Yuden) are classified as "Not For New Designs" and should be used only for legacy system maintenance.

Frequently Asked Questions (FAQ)

Q: Can I use an X7R capacitor as a direct replacement for the Y5V ECJ-0EF1H102Z?

A: Yes. X7R dielectric provides superior temperature stability with ±10% tolerance compared to Y5V's -20%, +80% tolerance. All X7R alternatives listed maintain the 1000 pF capacitance, 50V voltage rating, and 0402 package specification. X7R is suitable for applications where the original Y5V specification is acceptable.

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

A: Y5V dielectric exhibits capacitance variation of -82% to +22% across its operating temperature range (-30°C ~ 85°C). X7R dielectric maintains capacitance within ±15% across -55°C ~ 125°C. X7R provides superior stability for precision applications but Y5V is adequate for general-purpose filtering where wider tolerance is acceptable.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All listed substitute parts are ROHS3 compliant and REACH unaffected, meeting current environmental and regulatory requirements.

Q: Which substitute offers the best inventory availability?

A: KGM05AR71H102KH (KYOCERA AVX) offers the highest inventory with 2,571,048 pieces in stock, providing supply chain security for high-volume production.

Q: Can I mix different substitute parts in the same assembly?

A: Yes. All substitute parts meet the core electrical and mechanical requirements (1000 pF, 50V, 0402 package, MSL 1). However, maintain consistency within a single production batch to ensure uniform performance characteristics, particularly regarding tolerance and temperature coefficient specifications.

Q: What packaging options are available?

A: 04025G102ZAT2A and C1005X8R1H102K050BA are supplied in Tape & Reel (TR) packaging. GRM155R71H102KA01D, KGM05AR71H102KH, and UMK105B7102KV-F are supplied in Cut Tape (CT) & Digi-Reel® packaging. Verify packaging compatibility with your assembly equipment before procurement.