MBASU063SCG3R9CFNA01 Equivalent & Substitute Parts

Part Overview

The MBASU063SCG3R9CFNA01 is a 3.9 pF ceramic capacitor manufactured by Taiyo Yuden, rated for 50V with C0G/NP0 temperature coefficient characteristics. This surface mount multilayer ceramic capacitor (MLCC) in 0201 package format is designed for general purpose applications requiring stable capacitance across the operating temperature range of -55°C to 125°C. The part is currently Active in product status with 1102 pieces in stock inventory. Equivalent and substitute parts are identified to support design flexibility, supply chain continuity, and application-specific requirements where alternative manufacturers or product series may be preferred.

Key Parameters

Parameter	Value
Capacitance	3.9 pF
Tolerance	±0.25pF
Voltage Rating	50V
Temperature Coefficient	C0G, NP0
Operating Temperature Range	-55°C ~ 125°C
Package / Case	0201 (0603 Metric)
Mounting Type	Surface Mount, MLCC
Physical Dimensions	0.024" L x 0.012" W (0.60mm x 0.30mm)
Thickness (Max)	0.013" (0.33mm)
Moisture Sensitivity Level	1 (Unlimited)
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution eligibility for the MBASU063SCG3R9CFNA01 is determined by strict equivalence across the following critical parameters:

Mandatory Matching Parameters:

Capacitance: 3.9 pF
Tolerance: ±0.25pF
Voltage Rating: 50V
Temperature Coefficient: C0G/NP0
Operating Temperature Range: -55°C ~ 125°C
Package / Case: 0201 (0603 Metric)
Physical Dimensions: 0.024" L x 0.012" W (0.60mm x 0.30mm)
Thickness (Max): 0.013" (0.33mm)
Mounting Type: Surface Mount, MLCC
Moisture Sensitivity Level: 1 (Unlimited)
RoHS Status: ROHS3 Compliant

All identified substitute parts meet these mandatory parameters. Variations in product status, manufacturer, series designation, and application focus do not affect electrical or mechanical compatibility. Substitute parts are grouped by manufacturer and product status to facilitate informed selection based on supply availability and design phase requirements.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Capacitance	Tolerance	Voltage Rating	Temperature Coefficient	Operating Temperature	Package	Dimensions (L x W)	Thickness (Max)	Product Status	Inventory (Pcs)
MBASU063SCG3R9CFNA01	Taiyo Yuden	3.9 pF	±0.25pF	50V	C0G, NP0	-55°C ~ 125°C	0201 (0603 Metric)	0.024" x 0.012" (0.60mm x 0.30mm)	0.013" (0.33mm)	Active	1102
UMK063CG3R9CTHF	Taiyo Yuden	3.9 pF	±0.25pF	50V	C0G, NP0	-55°C ~ 125°C	0201 (0603 Metric)	0.024" x 0.012" (0.60mm x 0.30mm)	0.013" (0.33mm)	Not For New Designs	28357
C0603C0G1H3R9C	TDK Corporation	3.9 pF	±0.25pF	50V	C0G, NP0	-55°C ~ 125°C	0201 (0603 Metric)	0.024" x 0.012" (0.60mm x 0.30mm)	0.013" (0.33mm)	Obsolete	761
CC0201CRNPO9BN3R9	YAGEO	3.9 pF	±0.25pF	50V	C0G, NP0	-55°C ~ 125°C	0201 (0603 Metric)	0.024" x 0.012" (0.60mm x 0.30mm)	0.013" (0.33mm)	Active	45936
CQ0201CRNPO9BN3R9	YAGEO	3.9 pF	±0.25pF	50V	C0G, NP0	-55°C ~ 125°C	0201 (0603 Metric)	0.024" x 0.012" (0.60mm x 0.30mm)	0.013" (0.33mm)	Active	15720
KGM03ACG1H3R9CH	KYOCERA AVX	3.9 pF	±0.25pF	50V	C0G, NP0	-55°C ~ 125°C	0201 (0603 Metric)	0.024" x 0.012" (0.60mm x 0.30mm)	0.013" (0.33mm)	Active	38228

Engineering Selection Recommendations

Active Status Parts (Recommended for New Designs):

The MBASU063SCG3R9CFNA01, CC0201CRNPO9BN3R9, CQ0201CRNPO9BN3R9, and KGM03ACG1H3R9CH are all Active products suitable for new design implementations. These parts carry ROHS3 compliance and MSL 1 rating, ensuring long-term availability and environmental regulatory adherence. Selection among these Active alternatives should be based on manufacturer preference, supply chain relationships, and inventory availability.

Limited Availability Parts:

The UMK063CG3R9CTHF carries "Not For New Designs" status despite high inventory (28357 pieces). This designation indicates the manufacturer has discontinued new production; however, existing stock remains available for legacy design support or immediate procurement needs. This part is suitable only for sustaining production of existing designs.

Obsolete Parts:

The C0603C0G1H3R9C from TDK Corporation is marked Obsolete with limited inventory (761 pieces). This part should not be selected for new designs or long-term production commitments due to unavailability of future supply.

Compliance and Certifications:

All substitute parts maintain ROHS3 compliance and MSL 1 rating, ensuring compatibility with modern manufacturing processes and environmental standards. The UMK063CG3R9CTHF additionally carries AEC-Q200 automotive qualification, making it suitable for automotive and SMPS filtering applications where enhanced reliability standards are required.

Frequently Asked Questions (FAQ)

Q: Can I substitute the MBASU063SCG3R9CFNA01 with any of the listed equivalent parts?

A: Yes. All listed parts meet the mandatory electrical and mechanical parameters: 3.9 pF capacitance, ±0.25pF tolerance, 50V rating, C0G/NP0 temperature coefficient, -55°C to 125°C operating range, 0201 package format, and identical physical dimensions. Electrical performance and PCB compatibility are equivalent across all substitutes.

Q: What is the difference between the YAGEO CC0201CRNPO9BN3R9 and CQ0201CRNPO9BN3R9?

A: Both parts are electrically and mechanically identical with matching capacitance, tolerance, voltage, temperature coefficient, and package specifications. The CQ0201CRNPO9BN3R9 is designated with High Q characteristics. Selection between these YAGEO alternatives depends on application requirements for quality factor performance.

Q: Why is the UMK063CG3R9CTHF marked "Not For New Designs" when it has the highest inventory?

A: "Not For New Designs" status indicates the manufacturer has ceased new production of this part. While 28357 pieces remain in stock, this inventory is finite and will eventually deplete. New designs should utilize Active status parts (MBASU063SCG3R9CFNA01, CC0201CRNPO9BN3R9, CQ0201CRNPO9BN3R9, or KGM03ACG1H3R9CH) to ensure long-term supply availability.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All listed substitute parts carry ROHS3 compliance certification, meeting current environmental and regulatory requirements for electronic component manufacturing and use.

Q: What does MSL 1 (Unlimited) moisture sensitivity mean?

A: MSL 1 indicates the component has unlimited shelf life and requires no special moisture control during storage or handling. This simplifies inventory management and reduces risk of moisture-induced failures during assembly.

Q: Can I use the KGM03ACG1H3R9CH from KYOCERA AVX in automotive applications?

A: The KGM03ACG1H3R9CH meets all electrical and mechanical specifications for general purpose applications. For automotive-specific requirements, the UMK063CG3R9CTHF carries AEC-Q200 automotive qualification, which provides enhanced reliability assurance for automotive environments.

Q: What is the physical footprint compatibility between these parts?

A: All substitute parts share identical 0201 package format with dimensions of 0.024" L x 0.012" W (0.60mm x 0.30mm) and maximum thickness of 0.013" (0.33mm). PCB footprints and assembly processes are fully interchangeable without design modification.

Q: Should I avoid the obsolete C0603C0G1H3R9C from TDK?

A: Yes. The C0603C0G1H3R9C is marked Obsolete with only 761 pieces in inventory. This part should not be selected for new designs or production commitments. Use Active status alternatives to ensure supply continuity.

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