MBASU105SCG010CFNA01 Equivalent & Substitute Parts

Part Overview

The MBASU105SCG010CFNA01 is a 1 pF ceramic capacitor manufactured by Taiyo Yuden, rated for 50V with C0G/NP0 temperature coefficient characteristics. This surface-mount multilayer ceramic capacitor (MLCC) in 0402 (1005 Metric) package is designed for general-purpose applications requiring stable capacitance across the operating temperature range of -55°C to 125°C. The part is active in production status with RoHS3 compliance and unlimited moisture sensitivity level (MSL 1). Equivalent and substitute parts are identified to support component availability, supply chain continuity, and application-specific requirements such as automotive qualification or enhanced electrical performance characteristics.

Key Parameters

Parameter	Value
Capacitance	1 pF
Tolerance	±0.25pF
Voltage Rating	50V
Temperature Coefficient	C0G, NP0
Operating Temperature Range	-55°C to 125°C
Package / Case	0402 (1005 Metric)
Mounting Type	Surface Mount, MLCC
Packaging Format	Tape & Reel (TR)
RoHS Status	RoHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitute parts are classified into two categories based on their qualification and application scope:

Upgrade Substitutes are qualified to AEC-Q200 automotive standards and are suitable for applications requiring automotive-grade reliability. These parts include AC0402CRNPO9BN1R0 (YAGEO), C0402C109C5GACAUTO (KEMET), CGA2B2C0G1H010C050BA (TDK Corporation), CL05C010CB51PNC (Samsung Electro-Mechanics), GCM1555C1H1R0CA16D (Murata Electronics), GCM1555C1H1R0CA16J (Murata Electronics), GCQ1555C1H1R0CB01D (Murata Electronics), and GRT1555C1H1R0CA02J (Murata Electronics).

Parametric Equivalents match all electrical and mechanical specifications but may not carry automotive qualification. These include 0402N1R0C500CT (Walsin Technology Corporation) and C0402C109C5GAC7867 (KEMET).

All substitute parts maintain identical electrical parameters: 1 pF capacitance with ±0.25pF tolerance, 50V voltage rating, C0G/NP0 temperature coefficient, and -55°C to 125°C operating temperature range. All parts are packaged in 0402 (1005 Metric) surface-mount format with Tape & Reel delivery. All substitute parts are RoHS3 compliant with MSL 1 rating.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Capacitance	Tolerance	Voltage Rating	Temperature Coefficient	Operating Temperature	Package	AEC-Q200	RoHS3	MSL
MBASU105SCG010CFNA01	Taiyo Yuden	1 pF	±0.25pF	50V	C0G, NP0	-55°C ~ 125°C	0402 (1005 Metric)	No	Yes	1
AC0402CRNPO9BN1R0	YAGEO	1 pF	±0.25pF	50V	C0G, NP0	-55°C ~ 125°C	0402 (1005 Metric)	Yes	Yes	1
C0402C109C5GACAUTO	KEMET	1 pF	±0.25pF	50V	C0G, NP0	-55°C ~ 125°C	0402 (1005 Metric)	Yes	Yes	1
CGA2B2C0G1H010C050BA	TDK Corporation	1 pF	±0.25pF	50V	C0G, NP0	-55°C ~ 125°C	0402 (1005 Metric)	Yes	Yes	1
CL05C010CB51PNC	Samsung Electro-Mechanics	1 pF	±0.25pF	50V	C0G, NP0	-55°C ~ 125°C	0402 (1005 Metric)	Yes	Yes	1
GCM1555C1H1R0CA16D	Murata Electronics	1 pF	±0.25pF	50V	C0G, NP0	-55°C ~ 125°C	0402 (1005 Metric)	Yes	Yes	1
GCM1555C1H1R0CA16J	Murata Electronics	1 pF	±0.25pF	50V	C0G, NP0	-55°C ~ 125°C	0402 (1005 Metric)	Yes	Yes	1
GCQ1555C1H1R0CB01D	Murata Electronics	1 pF	±0.25pF	50V	C0G, NP0	-55°C ~ 125°C	0402 (1005 Metric)	Yes	Yes	1
GRT1555C1H1R0CA02J	Murata Electronics	1 pF	±0.25pF	50V	C0G, NP0	-55°C ~ 125°C	0402 (1005 Metric)	Yes	Yes	1
0402N1R0C500CT	Walsin Technology Corporation	1 pF	±0.25pF	50V	C0G, NP0	-55°C ~ 125°C	0402 (1005 Metric)	No	Yes	1
C0402C109C5GAC7867	KEMET	1 pF	±0.25pF	50V	C0G, NP0	-55°C ~ 125°C	0402 (1005 Metric)	No	Yes	1

Engineering Selection Recommendations

For Automotive Applications: Select from AEC-Q200 qualified upgrade substitutes: AC0402CRNPO9BN1R0 (YAGEO), C0402C109C5GACAUTO (KEMET), CGA2B2C0G1H010C050BA (TDK Corporation), CL05C010CB51PNC (Samsung Electro-Mechanics), GCM1555C1H1R0CA16D (Murata Electronics), GCM1555C1H1R0CA16J (Murata Electronics), GCQ1555C1H1R0CB01D (Murata Electronics), or GRT1555C1H1R0CA02J (Murata Electronics). These parts carry automotive-grade reliability certification and REACH compliance status.

For General-Purpose Applications: The original MBASU105SCG010CFNA01 (Taiyo Yuden) remains the primary specification. Parametric equivalents 0402N1R0C500CT (Walsin Technology Corporation) and C0402C109C5GAC7867 (KEMET) provide functional equivalence with identical electrical and mechanical parameters. The KEMET C0402C109C5GAC7867 offers low ESL characteristics for general-purpose applications.

For High-Frequency and RF Applications: GCQ1555C1H1R0CB01D (Murata Electronics) is specified for RF, Microwave, and High Frequency applications in addition to automotive use.

All substitute parts maintain RoHS3 compliance and MSL 1 rating, ensuring compatibility with standard manufacturing and storage conditions.

Frequently Asked Questions (FAQ)

Q: What determines if a part can substitute for the MBASU105SCG010CFNA01?

A: Substitution is determined by matching the following parameters: 1 pF capacitance value, ±0.25pF tolerance, 50V voltage rating, C0G/NP0 temperature coefficient, -55°C to 125°C operating temperature range, 0402 (1005 Metric) package format, surface-mount MLCC mounting type, and Tape & Reel packaging. All listed substitute parts meet these criteria.

Q: What is the difference between Upgrade Substitutes and Parametric Equivalents?

A: Upgrade Substitutes carry AEC-Q200 automotive qualification and REACH compliance, making them suitable for automotive applications requiring enhanced reliability standards. Parametric Equivalents match all electrical and mechanical specifications but do not carry automotive qualification and are suitable for general-purpose applications.

Q: Can I use an AEC-Q200 qualified part in a general-purpose application?

A: Yes. AEC-Q200 qualified parts meet or exceed general-purpose requirements and can be used in any application where the original part is specified. The automotive qualification represents additional testing and reliability assurance.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All substitute parts listed are RoHS3 compliant with MSL 1 (Unlimited) moisture sensitivity level, matching the original MBASU105SCG010CFNA01 specification.

Q: What does MSL 1 (Unlimited) mean?

A: MSL 1 indicates unlimited shelf life without moisture baking requirements. Parts with this rating can be stored indefinitely under normal conditions without special moisture control measures.

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

A: Yes. All substitute parts meet identical electrical and mechanical specifications. However, design documentation should reflect the specific part number used in production to maintain traceability and ensure consistency in future manufacturing runs.

Q: What is the significance of Low ESL in the KEMET C0402C109C5GACAUTO specification?

A: Low ESL (Equivalent Series Inductance) reduces parasitic inductance effects, improving high-frequency performance. This characteristic is beneficial for applications involving signal integrity and RF performance, though it does not affect the basic capacitance, tolerance, or voltage rating specifications.

Q: Are there inventory considerations when selecting a substitute?

A: Inventory levels vary by manufacturer and part number. CL05C010CB51PNC (Samsung Electro-Mechanics) and GCM1555C1H1R0CA16J (Murata Electronics) show higher inventory availability. Consult current stock levels with your component supplier for lead time and availability planning.

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