Equivalent & Substitute Parts for 0603B473M500CT

Part Overview

The Walsin Technology Corporation 0603B473M500CT is an active, general-purpose ceramic capacitor rated at 0.047 µF with 50V operating voltage and X7R temperature coefficient. This surface-mount multilayer ceramic capacitor (MLCC) in 0603 (1608 Metric) package is designed for standard electronic applications requiring stable capacitance across the -55°C to 125°C operating range. Substitute parts are identified to provide alternative sourcing options while maintaining electrical and mechanical compatibility with the original specification.

Key Parameters

Parameter	Value	Significance for Substitution
Capacitance	0.047 µF	Must match exactly for circuit function
Voltage Rating	50V	Must meet or exceed circuit voltage requirements
Temperature Coefficient	X7R	Determines capacitance stability across temperature range
Tolerance	±20%	Defines acceptable capacitance variation
Package / Case	0603 (1608 Metric)	Physical footprint and mounting compatibility
Operating Temperature	-55°C ~ 125°C	Functional range for application environment
Mounting Type	Surface Mount, MLCC	Assembly process compatibility
RoHS Status	ROHS3 Compliant	Regulatory compliance requirement
Moisture Sensitivity Level	1 (Unlimited)	Storage and handling requirements

Substitute Part Grouping Explanation

Substitute parts for the 0603B473M500CT are identified based on strict electrical and mechanical parameter matching. The substitution logic requires:

Mandatory Matching Parameters:

Capacitance value: 0.047 µF
Voltage rating: 50V minimum
Temperature coefficient: X7R
Tolerance: ±20%
Package: 0603 (1608 Metric)
Operating temperature range: -55°C ~ 125°C
Mounting type: Surface Mount, MLCC
RoHS3 compliance
MSL rating: 1 (Unlimited)

The identified substitute part CEU3E2X7R1H473M080AE from TDK Corporation meets all mandatory parameters while offering additional features including soft termination and AEC-Q200 automotive qualification. Both parts are manufactured to identical electrical specifications and physical dimensions, ensuring direct compatibility in circuit applications.

Parameter Comparison

Parameter	0603B473M500CT (Walsin)	CEU3E2X7R1H473M080AE (TDK)	Match Status
Capacitance	0.047 µF	0.047 µF	Identical
Tolerance	±20%	±20%	Identical
Voltage Rating	50V	50V	Identical
Temperature Coefficient	X7R	X7R	Identical
Operating Temperature	-55°C ~ 125°C	-55°C ~ 125°C	Identical
Package / Case	0603 (1608 Metric)	0603 (1608 Metric)	Identical
Size / Dimension	0.063" L x 0.031" W (1.60mm x 0.80mm)	0.063" L x 0.031" W (1.60mm x 0.80mm)	Identical
Thickness (Max)	0.037" (0.95mm)	0.037" (0.95mm)	Identical
Mounting Type	Surface Mount, MLCC	Surface Mount, MLCC	Identical
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	Identical
Moisture Sensitivity Level	1 (Unlimited)	1 (Unlimited)	Identical
Packaging	Tape & Reel (TR)	Tape & Reel (TR)	Identical
Product Status	Active	Active	Identical

Engineering Selection Recommendations

Both the 0603B473M500CT and CEU3E2X7R1H473M080AE are active products with full ROHS3 compliance and identical electrical specifications. Selection between these parts is based on application-specific requirements and supply chain considerations:

0603B473M500CT (Walsin Technology Corporation): Suitable for general-purpose applications requiring standard ceramic capacitor performance. Active product status with 1120 units in stock.

CEU3E2X7R1H473M080AE (TDK Corporation): Suitable for applications requiring automotive-grade reliability and boardflex-sensitive environments. Includes soft termination feature and AEC-Q200 qualification. Active product status with 1898 units in stock.

Both parts satisfy identical electrical and mechanical requirements. The TDK substitute offers enhanced qualification for automotive and flex-circuit applications. Selection should be based on application environment, supply availability, and cost considerations.

Frequently Asked Questions (FAQ)

Q: Can CEU3E2X7R1H473M080AE replace 0603B473M500CT in existing designs?

A: Yes. Both parts have identical capacitance (0.047 µF), voltage rating (50V), temperature coefficient (X7R), tolerance (±20%), package dimensions (0603/1608 Metric), and operating temperature range (-55°C ~ 125°C). Direct substitution is electrically and mechanically compatible.

Q: What is the difference between these two parts?

A: The primary differences are manufacturer (Walsin vs. TDK) and additional features on the TDK part. The TDK CEU3E2X7R1H473M080AE includes soft termination and AEC-Q200 automotive qualification, making it suitable for automotive and boardflex-sensitive applications. Electrical specifications are identical.

Q: Are both parts RoHS compliant?

A: Yes. Both 0603B473M500CT and CEU3E2X7R1H473M080AE are ROHS3 compliant and REACH unaffected.

Q: What is the moisture sensitivity level for these capacitors?

A: Both parts have MSL rating 1 (Unlimited), indicating no moisture sensitivity restrictions for storage and handling.

Q: Can these parts be used interchangeably in automated assembly?

A: Yes. Both parts are surface-mount MLCCs in identical 0603 (1608 Metric) packages with tape and reel packaging, compatible with standard pick-and-place assembly equipment.

Q: What is the operating temperature range?

A: Both parts operate across -55°C to 125°C with X7R temperature coefficient, providing stable capacitance performance throughout this range.

Q: Are there any application restrictions for either part?

A: The TDK CEU3E2X7R1H473M080AE is qualified for automotive and boardflex-sensitive applications. The Walsin 0603B473M500CT is specified for general-purpose applications. Both are suitable for standard electronic circuit applications within their rated specifications.

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