ECJ-1VF1C334Z Equivalent & Substitute Parts

Part Overview

The ECJ-1VF1C334Z is a 0.33 µF ceramic capacitor rated at 16V with Y5V temperature coefficient in 0603 (1608 Metric) surface mount package, manufactured by Panasonic Electronic Components. This part is classified as obsolete, making equivalent and substitute parts necessary for ongoing design support and procurement continuity. The part is suitable for general-purpose applications requiring stable capacitance across the -30°C to 85°C operating temperature range.

Key Parameters

Parameter	Value
Capacitance	0.33 µF
Tolerance	-20%, +80%
Voltage Rating	16V
Temperature Coefficient	Y5V (F)
Operating Temperature Range	-30°C to 85°C
Package / Case	0603 (1608 Metric)
Mounting Type	Surface Mount, MLCC
Physical Dimensions	0.063" L x 0.031" W (1.60mm x 0.80mm)
Thickness (Max)	0.035" (0.90mm)
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution for the ECJ-1VF1C334Z is determined by strict equivalence in the following electrical and mechanical parameters:

Capacitance: 0.33 µF (exact match required)
Tolerance: -20%, +80% (exact match required)
Temperature Coefficient: Y5V (F) (exact match required)
Package / Case: 0603 (1608 Metric) (exact match required)
Mounting Type: Surface Mount, MLCC (exact match required)
Operating Temperature Range: -30°C to 85°C (exact match required)

Parts are categorized into three groups:

Direct Manufacturer Substitutes (KGM15AV51C334ZM, KGM15AV51C334ZT): Identical electrical specifications and package. Voltage rating matches at 16V. Active product status with full RoHS3 and REACH compliance.

Upgrade Substitutes (C0603C334Z3VAC7867, CC0603ZRY5V8BB334, CL10F334ZA8NNNC): Identical electrical specifications and package. Voltage rating increased to 25V, providing higher voltage margin while maintaining all other parameters. Active product status with full compliance certifications.

Parametric Equivalents (C0603C334Z4VAC7867, CC0603ZPY5V7BB334, CC0603ZRY5V7BB334, CL10F334ZO8NNNC, CL10F334ZO8NNND): Identical electrical specifications and package. Voltage rating matches at 16V. Active product status with full compliance certifications.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Capacitance	Tolerance	Voltage Rating	Temperature Coefficient	Package / Case	Product Status	RoHS Status	Inventory (Pcs)
ECJ-1VF1C334Z	Panasonic Electronic Components	0.33 µF	-20%, +80%	16V	Y5V (F)	0603 (1608 Metric)	Obsolete	N/A	1007
KGM15AV51C334ZM	KYOCERA AVX	0.33 µF	-20%, +80%	16V	Y5V (F)	0603 (1608 Metric)	Active	ROHS3 Compliant	1102
KGM15AV51C334ZT	KYOCERA AVX	0.33 µF	-20%, +80%	16V	Y5V (F)	0603 (1608 Metric)	Active	ROHS3 Compliant	6606
C0603C334Z3VAC7867	KEMET	0.33 µF	-20%, +80%	25V	Y5V (F)	0603 (1608 Metric)	Active	ROHS3 Compliant	9200
CC0603ZRY5V8BB334	YAGEO	0.33 µF	-20%, +80%	25V	Y5V (F)	0603 (1608 Metric)	Active	ROHS3 Compliant	8673
CL10F334ZA8NNNC	Samsung Electro-Mechanics	0.33 µF	-20%, +80%	25V	Y5V (F)	0603 (1608 Metric)	Active	ROHS3 Compliant	773
C0603C334Z4VAC7867	KEMET	0.33 µF	-20%, +80%	16V	Y5V (F)	0603 (1608 Metric)	Active	ROHS3 Compliant	4104
CC0603ZPY5V7BB334	YAGEO	0.33 µF	-20%, +80%	16V	Y5V (F)	0603 (1608 Metric)	Active	ROHS3 Compliant	978
CC0603ZRY5V7BB334	YAGEO	0.33 µF	-20%, +80%	16V	Y5V (F)	0603 (1608 Metric)	Active	ROHS3 Compliant	56469
CL10F334ZO8NNNC	Samsung Electro-Mechanics	0.33 µF	-20%, +80%	16V	Y5V (F)	0603 (1608 Metric)	Active	ROHS3 Compliant	772
CL10F334ZO8NNND	Samsung Electro-Mechanics	0.33 µF	-20%, +80%	16V	Y5V (F)	0603 (1608 Metric)	Active	ROHS3 Compliant	754

Engineering Selection Recommendations

All substitute parts listed are active products with ROHS3 compliance and REACH unaffected status, ensuring regulatory alignment for current manufacturing and procurement.

For direct replacement with identical voltage specification (16V): Select from KGM15AV51C334ZM, KGM15AV51C334ZT, C0603C334Z4VAC7867, CC0603ZPY5V7BB334, CC0603ZRY5V7BB334, CL10F334ZO8NNNC, or CL10F334ZO8NNND. These parts maintain the original 16V rating and are electrically and mechanically identical to the obsolete ECJ-1VF1C334Z.

For designs permitting higher voltage margin (25V): Select from C0603C334Z3VAC7867, CC0603ZRY5V8BB334, or CL10F334ZA8NNNC. These upgrade substitutes provide increased voltage headroom while maintaining identical capacitance, tolerance, temperature coefficient, and package specifications.

For procurement availability: CC0603ZRY5V7BB334 offers the highest inventory level (56469 pcs) among 16V equivalents. C0603C334Z3VAC7867 offers the highest inventory (9200 pcs) among 25V upgrades.

Frequently Asked Questions (FAQ)

Q: Can I use a 25V rated capacitor in place of the 16V ECJ-1VF1C334Z?

A: Yes. The upgrade substitutes (C0603C334Z3VAC7867, CC0603ZRY5V8BB334, CL10F334ZA8NNNC) are rated at 25V and are electrically and mechanically compatible. Higher voltage rating provides additional safety margin and does not affect circuit performance when the design voltage requirement is 16V or lower.

Q: Are all substitute parts RoHS compliant?

A: Yes. All listed substitute parts are ROHS3 compliant and REACH unaffected, meeting current regulatory requirements for electronic component manufacturing and distribution.

Q: What is the difference between the KYOCERA AVX KGM15AV51C334ZM and KGM15AV51C334ZT?

A: Both parts are electrically and mechanically identical with matching 0.33 µF capacitance, 16V rating, Y5V temperature coefficient, and 0603 package. The difference is in packaging format: KGM15AV51C334ZM is supplied in Tape & Reel (TR), while KGM15AV51C334ZT is also supplied in Tape & Reel (TR). Inventory availability differs, with KGM15AV51C334ZT offering higher stock (6606 pcs vs. 1102 pcs).

Q: Can I mix different manufacturers' parts in the same production run?

A: All substitute parts meet identical electrical specifications (0.33 µF, -20%/+80% tolerance, Y5V temperature coefficient, -30°C to 85°C operating range) and package requirements (0603 surface mount). Parts from different manufacturers are functionally interchangeable. Procurement and quality assurance procedures should address any internal requirements for manufacturer consistency.

Q: What is the significance of the Y5V temperature coefficient?

A: Y5V indicates the capacitance change over temperature: Y specifies -30°C lower limit, 5 specifies +85°C upper limit, and V specifies ±15% maximum capacitance change over the operating temperature range. This classification is identical across all listed parts and ensures consistent performance across the specified -30°C to 85°C operating window.

Q: Are there packaging format differences I should consider?

A: Yes. Most parts are supplied in Tape & Reel (TR) format. CC0603ZRY5V7BB334 is available in Cut Tape (CT) & Digi-Reel® format. CL10F334ZA8NNNC packaging format is not specified in the data. Verify packaging requirements with your procurement process before finalizing part selection.

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