ECJ-0EF1E332Z Equivalent & Substitute Parts

Part Overview

The ECJ-0EF1E332Z is a 3300 pF ceramic capacitor manufactured by Panasonic Electronic Components, rated at 25V with Y5V temperature coefficient in 0402 (1005 Metric) surface mount package. This part is classified as obsolete, making identification of equivalent and substitute components necessary for ongoing production support, design updates, and inventory management. Substitute parts must maintain the same capacitance value and package form factor while meeting or exceeding the original electrical specifications.

Substiute Parts

ECJ-0EF1E332Z

Panasonic Electronic ComponentsIn Stock: 689ECJ-0EF1E332Z Datasheet

Current PartRFQ

KGM05AR71H332KH

KYOCERA AVXIn Stock: 144012KGM05AR71H332KH Datasheet

DirectRFQ

C1005X8R1H332K050BA

TDK CorporationIn Stock: 19785C1005X8R1H332K050BA Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the ECJ-0EF1E332Z is determined by the following criteria:

• Capacitance value must be 3300 pF
• Package must be 0402 (1005 Metric) surface mount
• Voltage rating must be equal to or greater than 25V
• Temperature coefficient and tolerance may differ, provided the substitute operates within the required application temperature range
• Moisture sensitivity level must be 1 (Unlimited) or equivalent

The identified substitute parts meet these criteria while offering improved specifications in voltage rating and temperature stability compared to the original part.

Parameter Comparison

Engineering Selection Recommendations

KGM05AR71H332KH (KYOCERA AVX) is the primary substitute option. This part maintains identical capacitance and package specifications while providing 50V voltage rating and X7R temperature coefficient. The part is active in production status with ROHS3 compliance and REACH unaffected certification, ensuring long-term availability and regulatory compliance.

C1005X8R1H332K050BA (TDK Corporation) serves as an alternative substitute with equivalent electrical characteristics. This part offers extended operating temperature range (-55°C ~ 150°C) and X8R temperature coefficient with high temperature features. However, the product status is classified as "Not For New Designs," limiting its suitability for new development initiatives despite current inventory availability.

Both substitute parts exceed the original 25V voltage specification at 50V, providing design margin and improved reliability. The shift from Y5V to X7R or X8R temperature coefficients offers superior temperature stability across the extended operating ranges of the substitute parts.

Frequently Asked Questions (FAQ)

Q: Can KGM05AR71H332KH directly replace ECJ-0EF1E332Z in existing designs?

A: Yes. Both parts share identical capacitance (3300 pF) and package form factor (0402 / 1005 Metric). The KGM05AR71H332KH provides higher voltage rating (50V vs. 25V) and improved temperature stability (X7R coefficient, -55°C ~ 125°C operating range), making it functionally compatible and electrically superior for the same application space.

Q: What is the difference between Y5V, X7R, and X8R temperature coefficients?

A: Temperature coefficient designates capacitance variation across operating temperature ranges. Y5V exhibits wider capacitance variation (-30% to +80%) across -30°C ~ 85°C. X7R provides ±15% variation across -55°C ~ 125°C. X8R provides ±15% variation across -55°C ~ 150°C. Substitute parts with X7R or X8R coefficients offer superior stability in temperature-sensitive applications.

Q: Why is C1005X8R1H332K050BA marked "Not For New Designs"?

A: This designation indicates the manufacturer (TDK) has transitioned this part to end-of-life status for new product development. While current inventory exists and the part remains functionally equivalent, KYOCERA AVX KGM05AR71H332KH is recommended for new designs due to active production status and guaranteed long-term availability.

Q: Are all three parts RoHS compliant?

A: KYOCERA AVX KGM05AR71H332KH and TDK C1005X8R1H332K050BA are both ROHS3 compliant. The original Panasonic ECJ-0EF1E332Z RoHS status is not specified in available documentation.

Q: Do substitute parts require PCB layout modifications?

A: No. All parts use identical 0402 (1005 Metric) package dimensions (0.039" L x 0.020" W / 1.00mm x 0.50mm) and surface mount mounting type, requiring no PCB redesign or footprint changes.