ECJ-2VF1C334Z Equivalent & Substitute Parts

Part Overview

The ECJ-2VF1C334Z is a 0.33 µF ceramic capacitor rated at 16V with Y5V temperature coefficient in 0805 (2012 Metric) surface mount package, manufactured by Panasonic Electronic Components. This part is classified as obsolete. Equivalent and substitute parts are necessary to maintain design continuity and ensure component availability for production and repair applications.

Key Parameters

Parameter	Value
Capacitance	0.33 µF
Voltage Rating	16V
Tolerance	-20%, +80%
Temperature Coefficient	Y5V (F)
Operating Temperature Range	-30°C ~ 85°C
Package / Case	0805 (2012 Metric)
Mounting Type	Surface Mount, MLCC
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution for the ECJ-2VF1C334Z is determined by the following criteria:

Direct Equivalents maintain identical electrical specifications: 0.33 µF capacitance, -20%/+80% tolerance, Y5V temperature coefficient, and -30°C to 85°C operating range. These parts are interchangeable at the 16V voltage rating and 0805 package level.

Upgrade Substitutes increase the voltage rating above 16V while maintaining all other electrical parameters. These parts are backward-compatible with the original design since higher voltage ratings provide additional safety margin in the same physical package.

The following parameters are critical for substitution validity:

Capacitance: 0.33 µF (exact match required)
Tolerance: -20%, +80% (exact match required)
Temperature Coefficient: Y5V (F) (exact match required)
Package: 0805 (2012 Metric) (exact match required)
Voltage Rating: 16V minimum (equal or higher acceptable)
Operating Temperature: -30°C ~ 85°C (exact match required)

Parameter Comparison

Manufacturer Part Number	Manufacturer	Capacitance	Voltage Rating	Tolerance	Temperature Coefficient	Package	Product Status	Thickness (Max)	RoHS Status	Inventory
ECJ-2VF1C334Z	Panasonic Electronic Components	0.33 µF	16V	-20%, +80%	Y5V (F)	0805 (2012 Metric)	Obsolete	0.028" (0.70mm)	Not specified	951 Pcs
C0805C334Z4VAC7800	KEMET	0.33 µF	16V	-20%, +80%	Y5V (F)	0805 (2012 Metric)	Active	0.035" (0.88mm)	ROHS3 Compliant	2975 Pcs
KGM21CV51C334ZU	KYOCERA AVX	0.33 µF	16V	-20%, +80%	Y5V (F)	0805 (2012 Metric)	Active	0.037" (0.95mm)	ROHS3 Compliant	1093 Pcs
C0805C334Z3VAC7800	KEMET	0.33 µF	25V	-20%, +80%	Y5V (F)	0805 (2012 Metric)	Active	0.035" (0.88mm)	ROHS3 Compliant	2328 Pcs
CC0805ZRY5V8BB334	YAGEO	0.33 µF	25V	-20%, +80%	Y5V (F)	0805 (2012 Metric)	Active	0.035" (0.90mm)	ROHS3 Compliant	13565 Pcs
CC0805ZRY5V9BB334	YAGEO	0.33 µF	50V	-20%, +80%	Y5V (F)	0805 (2012 Metric)	Active	0.057" (1.45mm)	ROHS3 Compliant	603 Pcs
KGM21CV51H334ZU	KYOCERA AVX	0.33 µF	50V	-20%, +80%	Y5V (F)	0805 (2012 Metric)	Active	0.037" (0.95mm)	ROHS3 Compliant	3273 Pcs

Engineering Selection Recommendations

Direct Equivalent Selection (16V Rating): C0805C334Z4VAC7800 (KEMET) and KGM21CV51C334ZU (KYOCERA AVX) are direct functional equivalents to the ECJ-2VF1C334Z. Both are active products with ROHS3 compliance and unlimited moisture sensitivity rating. C0805C334Z4VAC7800 offers higher inventory availability (2975 Pcs) and is recommended for immediate procurement needs.

Upgrade Substitute Selection (25V Rating): C0805C334Z3VAC7800 (KEMET) and CC0805ZRY5V8BB334 (YAGEO) provide 25V rating while maintaining all other electrical parameters. CC0805ZRY5V8BB334 has the highest inventory level (13565 Pcs) among all substitutes. Both are ROHS3 compliant and suitable for applications where voltage margin enhancement is acceptable.

Upgrade Substitute Selection (50V Rating): CC0805ZRY5V9BB334 (YAGEO) and KGM21CV51H334ZU (KYOCERA AVX) provide 50V rating. KGM21CV51H334ZU maintains lower thickness (0.037" vs 0.057") compared to the YAGEO option, which may be critical for space-constrained PCB layouts. Both are ROHS3 compliant and active products.

All substitute parts are ROHS3 compliant and carry unlimited moisture sensitivity rating (MSL 1), matching the original part's environmental specifications.

Frequently Asked Questions (FAQ)

Q: Can I use a 25V or 50V rated capacitor in place of the 16V ECJ-2VF1C334Z? A: Yes. Higher voltage-rated capacitors are backward-compatible substitutes. A 25V or 50V rated capacitor will function correctly in a circuit designed for 16V operation, providing additional voltage safety margin.

Q: What is the difference between direct equivalents and upgrade substitutes? A: Direct equivalents (C0805C334Z4VAC7800, KGM21CV51C334ZU) maintain the exact 16V rating of the original part. Upgrade substitutes increase the voltage rating to 25V or 50V while keeping all other electrical parameters identical. Both categories are functionally compatible with the original design.

Q: Are there physical size differences between these substitutes? A: All parts use the 0805 (2012 Metric) package with identical length (0.079") and width (0.049"). Thickness varies: the original is 0.028" (0.70mm), direct equivalents range from 0.035" to 0.037", and the 50V YAGEO option reaches 0.057" (1.45mm). Verify PCB clearance for the thicker 50V option.

Q: Which substitute has the best availability? A: CC0805ZRY5V8BB334 (YAGEO, 25V rating) has the highest inventory at 13565 Pcs. For direct 16V equivalents, C0805C334Z4VAC7800 (KEMET) offers 2975 Pcs.

Q: Are all substitutes ROHS3 compliant? A: Yes. All substitute parts listed are ROHS3 compliant with unlimited moisture sensitivity rating (MSL 1), matching the environmental specifications of the original ECJ-2VF1C334Z.

Q: Can I mix different manufacturers' parts in the same design? A: Yes. All listed substitutes meet identical electrical specifications (0.33 µF, -20%/+80% tolerance, Y5V temperature coefficient, -30°C to 85°C operating range) and are interchangeable at the circuit level. Manufacturer selection may be based on availability, cost, or supply chain preferences.

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