ECJ-2FF1A475Z Equivalent & Substitute Parts

Part Overview

The ECJ-2FF1A475Z is a 4.7 µF ceramic capacitor rated at 10V 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	4.7 µF
Voltage Rating	10V
Temperature Coefficient	Y5V (F)
Tolerance	-20%, +80%
Package / Case	0805 (2012 Metric)
Mounting Type	Surface Mount, MLCC
Operating Temperature Range	-30°C ~ 85°C
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitute parts are grouped into two categories based on electrical parameters:

Direct Equivalents (Same Voltage Rating - 10V): Parts that match all critical electrical parameters of the ECJ-2FF1A475Z, including 4.7 µF capacitance, 10V voltage rating, Y5V temperature coefficient, and -20%, +80% tolerance. These parts are pin-compatible and functionally identical for applications designed for 10V operation.

Upgrade Substitutes (Higher Voltage Rating - 16V): Parts that maintain the same capacitance, tolerance, and temperature coefficient but feature a higher 16V voltage rating. These parts are electrically compatible and can be used in place of the original part in 10V-rated circuits, providing additional voltage margin.

All substitute parts share the following critical parameters with the main part:

Capacitance: 4.7 µF
Temperature Coefficient: Y5V (F)
Tolerance: -20%, +80%
Package: 0805 (2012 Metric)
Mounting Type: Surface Mount, MLCC
Operating Temperature: -30°C ~ 85°C
Moisture Sensitivity Level: 1 (Unlimited)

Parameter Comparison

Manufacturer Part Number	Manufacturer	Capacitance	Voltage Rating	Temperature Coefficient	Tolerance	Package	Product Status	Thickness (Max)	RoHS Status
ECJ-2FF1A475Z	Panasonic Electronic Components	4.7 µF	10V	Y5V (F)	-20%, +80%	0805 (2012 Metric)	Obsolete	0.055" (1.40mm)	Not specified
CC0805ZFY5V6BB475	YAGEO	4.7 µF	10V	Y5V (F)	-20%, +80%	0805 (2012 Metric)	Active	0.037" (0.95mm)	ROHS3 Compliant
CC0805ZKY5V6BB475	YAGEO	4.7 µF	10V	Y5V (F)	-20%, +80%	0805 (2012 Metric)	Active	0.057" (1.45mm)	ROHS3 Compliant
CC0805ZRY5V6BB475	YAGEO	4.7 µF	10V	Y5V (F)	-20%, +80%	0805 (2012 Metric)	Active	0.033" (0.85mm)	ROHS3 Compliant
CL21F475ZPFNNNE	Samsung Electro-Mechanics	4.7 µF	10V	Y5V (F)	-20%, +80%	0805 (2012 Metric)	Active	0.053" (1.35mm)	ROHS3 Compliant
CL21F475ZPFNNNG	Samsung Electro-Mechanics	4.7 µF	10V	Y5V (F)	-20%, +80%	0805 (2012 Metric)	Active	0.053" (1.35mm)	ROHS3 Compliant
KGM21AV51A475ZL	KYOCERA AVX	4.7 µF	10V	Y5V (F)	-20%, +80%	0805 (2012 Metric)	Active	0.057" (1.45mm)	ROHS3 Compliant
KGM21AV51A475ZU	KYOCERA AVX	4.7 µF	10V	Y5V (F)	-20%, +80%	0805 (2012 Metric)	Active	0.057" (1.45mm)	ROHS3 Compliant
C0805C475Z4VAC7800	KEMET	4.7 µF	16V	Y5V (F)	-20%, +80%	0805 (2012 Metric)	Active	0.055" (1.40mm)	ROHS3 Compliant
CC0805ZKY5V7BB475	YAGEO	4.7 µF	16V	Y5V (F)	-20%, +80%	0805 (2012 Metric)	Active	0.057" (1.45mm)	ROHS3 Compliant
KGM21AV51C475ZU	KYOCERA AVX	4.7 µF	16V	Y5V (F)	-20%, +80%	0805 (2012 Metric)	Active	0.057" (1.45mm)	ROHS3 Compliant

Engineering Selection Recommendations

For Direct Replacement (10V Rating): Select from active-status parts manufactured by YAGEO (CC series), Samsung Electro-Mechanics (CL series), or KYOCERA AVX (KGM series). All direct equivalents are ROHS3 compliant and maintain identical electrical specifications. Part availability varies; CC0805ZRY5V6BB475 offers the highest inventory level at 18,884 pieces.

For Voltage-Upgraded Applications (16V Rating): The upgrade substitutes C0805C475Z4VAC7800, CC0805ZKY5V7BB475, and KGM21AV51C475ZU provide higher voltage margin while maintaining all other electrical parameters. These parts are suitable for circuits where additional voltage headroom is beneficial or required. CC0805ZKY5V7BB475 provides the largest inventory at 104,100 pieces.

All substitute parts carry ROHS3 compliance and REACH unaffected status, meeting modern regulatory requirements for electronic component manufacturing and use.

Frequently Asked Questions (FAQ)

Q: Can I use a 16V-rated capacitor in place of a 10V-rated capacitor? A: Yes. The upgrade substitutes with 16V ratings are electrically compatible with 10V circuits. The higher voltage rating provides additional safety margin and does not affect circuit operation at 10V.

Q: What is the significance of the Y5V temperature coefficient? A: Y5V indicates the capacitor's capacitance change over temperature range -30°C to +85°C, with maximum capacitance change of -82% to +22%. This specification must match for thermal stability requirements in the application.

Q: Are there thickness differences between substitute parts? A: Yes. Thickness varies from 0.033" (0.85mm) to 0.057" (1.45mm) across substitute options. Verify PCB layout clearance and component stacking requirements before selection.

Q: What does MSL 1 (Unlimited) mean? A: Moisture Sensitivity Level 1 indicates the component has unlimited shelf life and requires no special moisture control during storage or handling.

Q: Which substitute offers the best availability? A: CC0805ZRY5V6BB475 (YAGEO, 10V direct equivalent) has 18,884 pieces in stock. For 16V upgrade, CC0805ZKY5V7BB475 (YAGEO) has 104,100 pieces available.

Q: Are all substitutes ROHS3 compliant? A: Yes. All active-status substitute parts listed are ROHS3 compliant and REACH unaffected, meeting current environmental and regulatory standards.

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