MSASU31LAB7475KTNA01 Equivalent & Substitute Parts

Part Overview

The MSASU31LAB7475KTNA01 is a 4.7 µF ±10% 50V ceramic capacitor manufactured by Taiyo Yuden in the 1206 (3216 Metric) package with X7R temperature coefficient. This surface mount multilayer ceramic capacitor (MLCC) is classified as Active product status and is ROHS3 compliant with MSL 1 (Unlimited) moisture sensitivity rating.

Substitute parts are identified when equivalent electrical and mechanical parameters are maintained across manufacturers. The primary reasons for identifying alternative sources include supply chain continuity, inventory availability, and design flexibility across multiple qualified manufacturers while maintaining identical functional performance.

Key Parameters

Parameter	Value	Specification Basis
Capacitance	4.7 µF	Core electrical specification
Tolerance	±10%	Capacitance accuracy requirement
Voltage Rating	50V	Maximum operating voltage
Temperature Coefficient	X7R	Temperature stability classification
Operating Temperature Range	-55°C to 125°C	Environmental operating limits
Package / Case	1206 (3216 Metric)	Physical footprint and mounting
Mounting Type	Surface Mount, MLCC	Assembly method
Size / Dimension	0.126" L x 0.063" W (3.20mm x 1.60mm)	PCB layout compatibility
Thickness (Max)	0.071" (1.80mm)	Clearance and assembly constraint
RoHS Status	ROHS3 Compliant	Environmental regulation compliance
Moisture Sensitivity Level	1 (Unlimited)	Handling and storage requirements

Substitute Part Grouping Explanation

Substitute parts are classified into two categories based on their relationship to the main part MSASU31LAB7475KTNA01:

Upgrade Substitutes are parts that maintain all electrical and mechanical parameters while offering enhanced certifications or features. These parts are qualified for specific application domains (automotive, boardflex sensitive) and carry AEC-Q200 automotive qualification.

Parametric Equivalents are parts that match all core electrical specifications and physical dimensions but may differ in packaging format, series designation, or product lifecycle status. These parts are functionally interchangeable in applications where the specific certifications of upgrade substitutes are not required.

Substitution Criteria (All Must Match):

Capacitance: 4.7 µF
Tolerance: ±10%
Voltage Rating: 50V
Temperature Coefficient: X7R
Operating Temperature: -55°C to 125°C
Package / Case: 1206 (3216 Metric)
Mounting Type: Surface Mount, MLCC
Physical Dimensions: 0.126" L x 0.063" W (3.20mm x 1.60mm)
Thickness (Max): 0.071" (1.80mm)
RoHS Status: ROHS3 Compliant
Moisture Sensitivity Level: 1 (Unlimited)

Parameter Comparison

Manufacturer Part Number	Manufacturer	Capacitance	Tolerance	Voltage	Temp Coeff	Operating Temp	Package	Dimensions (L x W)	Thickness	RoHS	MSL	Packaging Type	Product Status
MSASU31LAB7475KTNA01	Taiyo Yuden	4.7 µF	±10%	50V	X7R	-55°C ~ 125°C	1206 (3216)	0.126" x 0.063" (3.20mm x 1.60mm)	0.071" (1.80mm)	ROHS3	1	Tape & Reel	Active
C1206C475K5RACAUTO	KEMET	4.7 µF	±10%	50V	X7R	-55°C ~ 125°C	1206 (3216)	0.126" x 0.063" (3.20mm x 1.60mm)	0.071" (1.80mm)	ROHS3	1	Cut Tape & Digi-Reel	Active
CL31B475KBHVPJE	Samsung Electro-Mechanics	4.7 µF	±10%	50V	X7R	-55°C ~ 125°C	1206 (3216)	0.126" x 0.063" (3.20mm x 1.60mm)	0.071" (1.80mm)	ROHS3	1	Cut Tape & Digi-Reel	Active
CL31B475KBHVPNE	Samsung Electro-Mechanics	4.7 µF	±10%	50V	X7R	-55°C ~ 125°C	1206 (3216)	0.126" x 0.063" (3.20mm x 1.60mm)	0.071" (1.80mm)	ROHS3	1	Cut Tape & Digi-Reel	Active
C1206C475K5RAC7800	KEMET	4.7 µF	±10%	50V	X7R	-55°C ~ 125°C	1206 (3216)	0.126" x 0.063" (3.20mm x 1.60mm)	0.071" (1.80mm)	ROHS3	1	Tape & Reel	Active
C3216X7R1H475K160AC	TDK Corporation	4.7 µF	±10%	50V	X7R	-55°C ~ 125°C	1206 (3216)	0.126" x 0.063" (3.20mm x 1.60mm)	0.071" (1.80mm)	ROHS3	1	Cut Tape & Digi-Reel	Active
CC1206KFX7R9BB475	YAGEO	4.7 µF	±10%	50V	X7R	-55°C ~ 125°C	1206 (3216)	0.126" x 0.063" (3.20mm x 1.60mm)	0.071" (1.80mm)	ROHS3	1	Tape & Reel	Active
CC1206KKX7R9BB475	YAGEO	4.7 µF	±10%	50V	X7R	-55°C ~ 125°C	1206 (3216)	0.126" x 0.063" (3.20mm x 1.60mm)	0.071" (1.80mm)	ROHS3	1	Cut Tape & Digi-Reel	Active
CL31B475KBHNFNE	Samsung Electro-Mechanics	4.7 µF	±10%	50V	X7R	-55°C ~ 125°C	1206 (3216)	0.126" x 0.063" (3.20mm x 1.60mm)	0.071" (1.80mm)	ROHS3	1	Cut Tape & Digi-Reel	Active
CL31B475KBHNNNE	Samsung Electro-Mechanics	4.7 µF	±10%	50V	X7R	-55°C ~ 125°C	1206 (3216)	0.126" x 0.063" (3.20mm x 1.60mm)	0.071" (1.80mm)	ROHS3	1	Cut Tape & Digi-Reel	Active
GJ831CR71H475KA12L	Murata Electronics	4.7 µF	±10%	50V	X7R	-55°C ~ 125°C	1206 (3216)	0.126" x 0.063" (3.20mm x 1.60mm)	0.071" (1.80mm)	ROHS3	1	Tape & Reel	Not For New Designs

Engineering Selection Recommendations

Upgrade Substitutes with AEC-Q200 Automotive Qualification:

The parts C1206C475K5RACAUTO (KEMET), CL31B475KBHVPJE (Samsung Electro-Mechanics), and CL31B475KBHVPNE (Samsung Electro-Mechanics) carry AEC-Q200 automotive qualification and are designated for automotive and decoupling applications. These parts are suitable for designs requiring automotive-grade component certification. CL31B475KBHVPJE additionally features soft termination technology and is qualified for boardflex sensitive applications.

Parametric Equivalents for General Purpose Applications:

The parts C1206C475K5RAC7800 (KEMET), C3216X7R1H475K160AC (TDK Corporation), CC1206KFX7R9BB475 (YAGEO), CC1206KKX7R9BB475 (YAGEO), CL31B475KBHNFNE (Samsung Electro-Mechanics), and CL31B475KBHNNNE (Samsung Electro-Mechanics) are parametric equivalents suitable for general purpose bypass and decoupling applications. All maintain Active product status and full ROHS3 compliance.

Legacy Part Status:

GJ831CR71H475KA12L (Murata Electronics) is classified as Not For New Designs. This part is functionally equivalent but should not be selected for new product development. Existing designs using this part may continue to source it for production continuity.

Packaging Considerations:

Substitute parts are available in both Tape & Reel (TR) and Cut Tape (CT) & Digi-Reel® packaging formats. Selection between packaging types depends on assembly line equipment and volume requirements. All packaging formats maintain identical electrical and mechanical specifications.

Frequently Asked Questions (FAQ)

Q: What makes a part a valid substitute for MSASU31LAB7475KTNA01?

A: A valid substitute must match all core electrical parameters (4.7 µF capacitance, ±10% tolerance, 50V voltage rating, X7R temperature coefficient, -55°C to 125°C operating range) and physical specifications (1206 package, 0.126" x 0.063" dimensions, 0.071" maximum thickness). Additionally, the part must be ROHS3 compliant with MSL 1 moisture sensitivity rating and surface mount MLCC mounting type.

Q: Can I use CL31B475KBHVPJE in place of MSASU31LAB7475KTNA01 in any application?

A: CL31B475KBHVPJE is a valid upgrade substitute with identical electrical and mechanical parameters. It carries AEC-Q200 automotive qualification and soft termination features. It is suitable for automotive applications and boardflex sensitive designs. For general purpose applications not requiring automotive certification, it functions identically to the original part.

Q: What is the difference between upgrade substitutes and parametric equivalents?

A: Upgrade substitutes (C1206C475K5RACAUTO, CL31B475KBHVPJE, CL31B475KBHVPNE) carry AEC-Q200 automotive qualification and are designated for automotive applications. Parametric equivalents match all electrical and mechanical specifications but lack automotive certification and are suitable for general purpose, bypass, and decoupling applications. Both categories are functionally interchangeable in their respective application domains.

Q: Why is GJ831CR71H475KA12L marked as Not For New Designs?

A: GJ831CR71H475KA12L is classified as Not For New Designs by Murata Electronics, indicating the part is in legacy status. While it remains functionally equivalent and available in inventory, new product designs should select from Active status alternatives such as parts from KEMET, Samsung Electro-Mechanics, TDK Corporation, or YAGEO.

Q: Does packaging format affect electrical performance?

A: No. Tape & Reel (TR) and Cut Tape (CT) & Digi-Reel® packaging formats contain identical components with identical electrical specifications. Packaging selection is determined by assembly equipment compatibility and volume requirements, not by electrical performance.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All substitute parts listed maintain ROHS3 compliance and MSL 1 (Unlimited) moisture sensitivity rating, matching the environmental and handling requirements of the original MSASU31LAB7475KTNA01 part.

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

A: Yes. All substitute parts meet identical electrical and mechanical specifications. However, assembly and quality control procedures should account for potential variations in packaging format and supplier-specific handling requirements. Verify compatibility with your specific assembly process and quality standards.

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