ECJ-HVB0J475M Equivalent & Substitute Parts

Part Overview

The ECJ-HVB0J475M is a 4.7 µF ±20% 6.3V ceramic capacitor in 1206 (3216 Metric) package with X5R temperature coefficient, manufactured by Panasonic Electronic Components. This part is classified as obsolete, making equivalent and substitute parts necessary for ongoing design support and procurement.

The part is designed for general-purpose applications requiring surface-mount multilayer ceramic capacitor (MLCC) technology with stable capacitance across the operating temperature range of -55°C to 85°C.

Key Parameters

Parameter	Value
Capacitance	4.7 µF
Tolerance	±20%
Voltage Rating	6.3V
Temperature Coefficient	X5R
Operating Temperature Range	-55°C to 85°C
Package / Case	1206 (3216 Metric)
Mounting Type	Surface Mount, MLCC
Moisture Sensitivity Level	MSL 1 (Unlimited)
Size / Dimension	0.126" L x 0.063" W (3.20mm x 1.60mm)

Substitute Part Grouping Explanation

Substitute parts are grouped into two categories based on electrical and mechanical compatibility:

Direct Substitutes (Equivalent Electrical Performance)

Direct substitutes maintain identical electrical specifications: 4.7 µF capacitance, ±20% tolerance, 6.3V voltage rating, X5R temperature coefficient, and -55°C to 85°C operating temperature range. These parts are pin-compatible and functionally equivalent for the original application.

Substitution criteria for direct equivalents:

Capacitance: 4.7 µF (exact match)
Tolerance: ±20% (exact match)
Voltage Rating: 6.3V (exact match)
Temperature Coefficient: X5R (exact match)
Package: 1206 (3216 Metric) (exact match)
Operating Temperature: -55°C to 85°C (exact match)

Upgrade Substitutes (Enhanced Electrical Performance)

Upgrade substitutes provide higher voltage ratings (10V, 16V, or 25V) or improved temperature coefficients (X7R, X8L) while maintaining the same 4.7 µF capacitance and 1206 package. These parts are physically and mechanically compatible but offer enhanced performance margins. Upgrades may include improved tolerance specifications (±5% or ±10% versus ±20%).

Parameter Comparison

Manufacturer Part Number	Manufacturer	Capacitance	Tolerance	Voltage Rating	Temperature Coefficient	Operating Temperature	Package	Product Status	Thickness (Max)
ECJ-HVB0J475M	Panasonic Electronic Components	4.7 µF	±20%	6.3V	X5R	-55°C ~ 85°C	1206 (3216 Metric)	Obsolete	0.037" (0.95mm)
KGM31HR50J475MU	KYOCERA AVX	4.7 µF	±20%	6.3V	X5R	-55°C ~ 85°C	1206 (3216 Metric)	Active	0.075" (1.90mm)
VJ1206G475MXYTW1BC	Vishay Vitramon	4.7 µF	±20%	6.3V	X5R	-55°C ~ 85°C	1206 (3216 Metric)	Active	0.075" (1.90mm)
1206ZD475JAT2A	KYOCERA AVX	4.7 µF	±5%	10V	X5R	-55°C ~ 85°C	1206 (3216 Metric)	Active	0.037" (0.94mm)
C1206C475J3RAC7800	KEMET	4.7 µF	±5%	25V	X7R	-55°C ~ 125°C	1206 (3216 Metric)	Active	0.071" (1.80mm)
C1206C475J8NAC7800	KEMET	4.7 µF	±5%	10V	X8L	-55°C ~ 150°C	1206 (3216 Metric)	Active	0.071" (1.80mm)
C1206C475K3PAC7800	KEMET	4.7 µF	±10%	25V	X5R	-55°C ~ 85°C	1206 (3216 Metric)	Active	0.071" (1.80mm)
C1206C475K3RAC7800	KEMET	4.7 µF	±10%	25V	X7R	-55°C ~ 125°C	1206 (3216 Metric)	Active	0.071" (1.80mm)
C1206C475K4PAC7210	KEMET	4.7 µF	±10%	16V	X5R	-55°C ~ 85°C	1206 (3216 Metric)	Active	0.071" (1.80mm)
C1206C475K4PAC7800	KEMET	4.7 µF	±10%	16V	X5R	-55°C ~ 85°C	1206 (3216 Metric)	Active	0.071" (1.80mm)
C1206C475K4RAC7800	KEMET	4.7 µF	±10%	16V	X7R	-55°C ~ 125°C	1206 (3216 Metric)	Active	0.071" (1.80mm)

Engineering Selection Recommendations

For Direct Replacement (Obsolete Part Substitution)

KGM31HR50J475MU (KYOCERA AVX) and VJ1206G475MXYTW1BC (Vishay Vitramon) are direct electrical equivalents to the ECJ-HVB0J475M. Both parts are active products with identical electrical specifications and package dimensions. Both manufacturers provide ROHS3 compliance and MSL 1 moisture sensitivity rating. These parts are suitable for direct substitution in existing designs without circuit modification.

For Design Upgrades (Enhanced Performance)

When circuit design permits higher voltage ratings or improved temperature stability, the following upgrade options are available:

1206ZD475JAT2A (KYOCERA AVX): 10V rating with ±5% tolerance and X5R coefficient. Maintains original operating temperature range with improved capacitance tolerance.
C1206C475K4PAC7800 (KEMET): 16V rating with ±10% tolerance and X5R coefficient. Provides voltage margin while maintaining X5R temperature stability.
C1206C475K3PAC7800 (KEMET): 25V rating with ±10% tolerance and X5R coefficient. Maximum voltage margin with X5R performance.
C1206C475K3RAC7800 (KEMET): 25V rating with ±10% tolerance and X7R coefficient. Extended operating temperature to 125°C with improved voltage margin.
C1206C475J8NAC7800 (KEMET): 10V rating with ±5% tolerance and X8L coefficient. Extended operating temperature to 150°C for high-temperature applications.

All upgrade options maintain 1206 package compatibility and ROHS3 compliance. Physical thickness variations (0.071" versus 0.037" original) must be evaluated for PCB layout constraints.

Frequently Asked Questions (FAQ)

Q: Can KGM31HR50J475MU or VJ1206G475MXYTW1BC be used as direct replacements for ECJ-HVB0J475M?

A: Yes. Both parts match the electrical specifications (4.7 µF, ±20%, 6.3V, X5R, -55°C to 85°C) and package dimensions (1206). Both are active products with current manufacturing support and ROHS3 compliance.

Q: What is the difference between direct substitutes and upgrade substitutes?

A: Direct substitutes maintain identical electrical performance and are pin-compatible replacements. Upgrade substitutes provide higher voltage ratings or improved temperature coefficients while maintaining the same capacitance value and package. Upgrades offer enhanced performance margins but may require circuit evaluation for compatibility.

Q: Does the increased thickness of KGM31HR50J475MU (1.90mm) and VJ1206G475MXYTW1BC (1.90mm) compared to the original (0.95mm) affect PCB assembly?

A: Physical thickness must be evaluated against PCB layout constraints and component clearance requirements. The increased thickness may affect board-level assembly if space is limited. Verify clearance with your PCB design before implementation.

Q: Can I use a 25V-rated part in place of the 6.3V original?

A: Yes, from an electrical standpoint. Higher voltage ratings provide design margin and are functionally compatible. However, physical dimensions (thickness up to 0.071") must be verified against PCB layout constraints. Circuit design should be reviewed to confirm that the upgrade part meets all application requirements.

Q: What is the significance of temperature coefficient differences (X5R versus X7R versus X8L)?

A: Temperature coefficient defines capacitance stability across temperature ranges. X5R maintains ±15% capacitance change from -55°C to 85°C. X7R maintains ±15% from -55°C to 125°C. X8L maintains ±15% from -55°C to 150°C. Select based on application temperature requirements and performance specifications.

Q: Are all substitute parts ROHS3 compliant?

A: All active substitute parts listed are ROHS3 compliant. The original ECJ-HVB0J475M (obsolete) does not have ROHS3 status specified in the provided data.

Q: What packaging options are available for these substitute parts?

A: Direct substitutes are available in Tape & Reel (TR) packaging. Upgrade substitutes are available in Tape & Reel (TR) or Cut Tape (CT) & Digi-Reel® formats. Verify packaging availability with your supplier for procurement requirements.

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