MBASU105SCG050CFNA01 Equivalent & Substitute Parts

Part Overview

The MBASU105SCG050CFNA01 is a 5 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 currently active in production with RoHS3 compliance and unlimited moisture sensitivity level (MSL 1). Equivalent and substitute parts are identified to support component sourcing flexibility, supply chain continuity, and design optimization across multiple manufacturers while maintaining electrical and mechanical compatibility.

Key Parameters

Parameter	Value
Capacitance	5 pF
Tolerance	±0.25pF
Voltage - Rated	50V
Temperature Coefficient	C0G, NP0
Operating Temperature Range	-55°C ~ 125°C
Package / Case	0402 (1005 Metric)
Size / Dimension	0.039" L x 0.020" W (1.00mm x 0.50mm)
Thickness (Max)	0.022" (0.55mm)
Mounting Type	Surface Mount, MLCC
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitute parts for the MBASU105SCG050CFNA01 are classified based on strict electrical and mechanical parameter matching. All substitute candidates maintain identical specifications across the following critical parameters:

Capacitance Value: 5 pF (exact match required)
Tolerance: ±0.25pF (exact match required)
Voltage Rating: 50V (exact match required)
Temperature Coefficient: C0G/NP0 (exact match required)
Operating Temperature Range: -55°C ~ 125°C (exact match required)
Package Type: 0402 (1005 Metric) (exact match required)
Physical Dimensions: 0.039" L x 0.020" W, 0.022" max thickness (exact match required)
Mounting Type: Surface Mount, MLCC (exact match required)
RoHS Compliance: ROHS3 Compliant (exact match required)
MSL Rating: 1 (Unlimited) (exact match required)

Substitute parts are further categorized as Upgrade parts (featuring AEC-Q200 automotive qualification) or Parametric Equivalent parts (meeting general-purpose specifications). All substitute parts are active in production status or remain available for existing designs.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Capacitance	Tolerance	Voltage	Temp Coeff	Operating Temp	Package	Dimensions (L x W)	Thickness Max	Mounting	RoHS	MSL	Product Status	Ratings
MBASU105SCG050CFNA01	Taiyo Yuden	5 pF	±0.25pF	50V	C0G, NP0	-55°C ~ 125°C	0402 (1005 Metric)	0.039" x 0.020" (1.00mm x 0.50mm)	0.022" (0.55mm)	Surface Mount, MLCC	ROHS3 Compliant	1 (Unlimited)	Active	-
AC0402CRNPO9BN5R0	YAGEO	5 pF	±0.25pF	50V	C0G, NP0	-55°C ~ 125°C	0402 (1005 Metric)	0.039" x 0.020" (1.00mm x 0.50mm)	0.022" (0.55mm)	Surface Mount, MLCC	ROHS3 Compliant	1 (Unlimited)	Active	AEC-Q200
CGA2B2C0G1H050C050BA	TDK Corporation	5 pF	±0.25pF	50V	C0G, NP0	-55°C ~ 125°C	0402 (1005 Metric)	0.039" x 0.020" (1.00mm x 0.50mm)	0.022" (0.55mm)	Surface Mount, MLCC	ROHS3 Compliant	1 (Unlimited)	Active	AEC-Q200
GCM1555C1H5R0CA16D	Murata Electronics	5 pF	±0.25pF	50V	C0G, NP0	-55°C ~ 125°C	0402 (1005 Metric)	0.039" x 0.020" (1.00mm x 0.50mm)	0.022" (0.55mm)	Surface Mount, MLCC	ROHS3 Compliant	1 (Unlimited)	Active	AEC-Q200
0402N5R0C500CT	Walsin Technology Corporation	5 pF	±0.25pF	50V	C0G, NP0	-55°C ~ 125°C	0402 (1005 Metric)	0.039" x 0.020" (1.00mm x 0.50mm)	0.022" (0.55mm)	Surface Mount, MLCC	ROHS3 Compliant	1 (Unlimited)	Active	-
C1005C0G1H050C050BA	TDK Corporation	5 pF	±0.25pF	50V	C0G, NP0	-55°C ~ 125°C	0402 (1005 Metric)	0.039" x 0.020" (1.00mm x 0.50mm)	0.022" (0.55mm)	Surface Mount, MLCC	ROHS3 Compliant	1 (Unlimited)	Not For New Designs	-
CC0402CRNPO9BN5R0	YAGEO	5 pF	±0.25pF	50V	C0G, NP0	-55°C ~ 125°C	0402 (1005 Metric)	0.039" x 0.020" (1.00mm x 0.50mm)	0.022" (0.55mm)	Surface Mount, MLCC	ROHS3 Compliant	1 (Unlimited)	Active	-

Engineering Selection Recommendations

Upgrade Parts (AEC-Q200 Automotive Qualified)

The following parts are qualified to AEC-Q200 automotive standards and are recommended for applications requiring enhanced reliability and automotive-grade performance:

AC0402CRNPO9BN5R0 (YAGEO): Active production status with AEC-Q200 qualification. Suitable for automotive and high-reliability applications.
CGA2B2C0G1H050C050BA (TDK Corporation): Active production status with AEC-Q200 qualification. Highest inventory availability (102,756 pcs). Recommended for new automotive designs.
GCM1555C1H5R0CA16D (Murata Electronics): Active production status with AEC-Q200 qualification. Suitable for automotive and high-reliability applications.

Parametric Equivalent Parts (General Purpose)

The following parts meet all electrical and mechanical parameters for general-purpose applications:

0402N5R0C500CT (Walsin Technology Corporation): Active production status. Available in Cut Tape and Digi-Reel packaging. Suitable for general-purpose applications.
CC0402CRNPO9BN5R0 (YAGEO): Active production status. Suitable for general-purpose applications.
C1005C0G1H050C050BA (TDK Corporation): Marked as "Not For New Designs." This part remains available for existing designs but should not be selected for new development.

Selection Criteria

Selection between substitute parts is based on:

Product Status: Active parts are preferred for new designs. Parts marked "Not For New Designs" are suitable only for sustaining existing products.
Compliance Requirements: AEC-Q200 qualified parts are required for automotive applications. General-purpose parts are suitable for non-automotive applications.
Packaging Format: Tape & Reel (TR) packaging is standard for high-volume production. Cut Tape (CT) and Digi-Reel packaging options are available from Walsin Technology Corporation.
Inventory Availability: CGA2B2C0G1H050C050BA (TDK) offers the highest inventory level at 102,756 pcs.

Frequently Asked Questions (FAQ)

Q: Can I substitute MBASU105SCG050CFNA01 with any of the listed parts?

A: Yes, all listed parts are electrically and mechanically equivalent. Selection depends on application requirements (automotive vs. general-purpose), product status (active vs. not for new designs), and packaging preferences.

Q: What is the difference between Upgrade parts and Parametric Equivalent parts?

A: Upgrade parts carry AEC-Q200 automotive qualification and are recommended for automotive and high-reliability applications. Parametric Equivalent parts meet all electrical and mechanical specifications but are designated for general-purpose applications. Both categories are electrically interchangeable.

Q: Why is C1005C0G1H050C050BA marked "Not For New Designs"?

A: This part remains in production and available for existing designs but is not recommended for new product development. Designers should select from active production parts for new designs.

Q: Are all substitute parts RoHS3 compliant?

A: Yes, all substitute parts listed are RoHS3 compliant and meet the same environmental compliance standards as the original MBASU105SCG050CFNA01.

Q: What is the significance of MSL 1 (Unlimited) rating?

A: MSL 1 indicates unlimited shelf life without moisture baking requirements. All substitute parts carry the same MSL 1 rating, ensuring identical moisture sensitivity handling and storage requirements.

Q: Can I use the Walsin 0402N5R0C500CT in place of the Taiyo Yuden part?

A: Yes, the Walsin part is a parametric equivalent with identical electrical and mechanical specifications. The primary difference is packaging format (Cut Tape and Digi-Reel vs. Tape & Reel) and application classification (general-purpose).

Q: Which substitute part offers the best availability?

A: CGA2B2C0G1H050C050BA from TDK Corporation offers the highest inventory level at 102,756 pcs in stock, combined with active production status and AEC-Q200 qualification.

Q: Are there any dimensional differences between substitute parts?

A: No, all substitute parts share identical package specifications: 0402 (1005 Metric) with dimensions of 0.039" L x 0.020" W (1.00mm x 0.50mm) and maximum thickness of 0.022" (0.55mm).

Q: What packaging options are available for substitute parts?

A: Most substitute parts are available in Tape & Reel (TR) packaging. The Walsin 0402N5R0C500CT is available in Cut Tape (CT) and Digi-Reel packaging formats, providing flexibility for different procurement and assembly requirements.

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