MBASU105SCG181JFNA01 Equivalent & Substitute Parts

Part Overview

The MBASU105SCG181JFNA01 is a 180 pF ceramic capacitor manufactured by Taiyo Yuden, rated for 50V with C0G/NP0 temperature coefficient in 0402 (1005 Metric) surface mount package. This multilayer ceramic capacitor (MLCC) 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 933 pieces in stock. Equivalent and substitute parts are necessary to address supply chain continuity, inventory optimization, and design flexibility across multiple manufacturers while maintaining identical electrical and mechanical specifications.

Key Parameters

Parameter	Value
Capacitance	180 pF
Tolerance	±5%
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
Physical Dimensions	0.039" L x 0.020" W (1.00mm x 0.50mm)
Thickness (Max)	0.022" (0.55mm)
Moisture Sensitivity Level	1 (Unlimited)
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitute parts for the MBASU105SCG181JFNA01 are classified into two categories based on their functional equivalence and application suitability:

Upgrade Substitutes are parts that meet or exceed the electrical and mechanical specifications of the main part while offering enhanced certifications or features. These parts maintain identical capacitance (180 pF), tolerance (±5%), voltage rating (50V), temperature coefficient (C0G/NP0), operating temperature range (-55°C to 125°C), and package format (0402/1005 Metric). Upgrade substitutes include AEC-Q200 automotive-grade certifications, which provide additional reliability assurance for demanding applications. These parts are sourced from manufacturers including YAGEO, KEMET, TDK Corporation, and Murata Electronics.

Parametric Equivalents are parts that match all critical electrical specifications and package dimensions but may differ in application classification, certifications, or product status. These parts are suitable for general purpose applications and maintain the same capacitance, tolerance, voltage rating, temperature coefficient, and physical package specifications as the main part.

The substitution logic is strictly based on the following key parameters:

Capacitance value: 180 pF (exact match required)
Tolerance: ±5% (exact match required)
Voltage rating: 50V (exact match required)
Temperature coefficient: C0G/NP0 (exact match required)
Operating temperature range: -55°C to 125°C (exact match required)
Package format: 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)
Moisture Sensitivity Level: 1 (Unlimited) (exact match required)
RoHS compliance: ROHS3 (exact match required)

Parameter Comparison

Manufacturer Part Number	Manufacturer	Capacitance	Tolerance	Voltage	Temp Coeff	Operating Temp	Package	Dimensions (L x W)	Thickness Max	MSL	RoHS	Product Status	Certifications
MBASU105SCG181JFNA01	Taiyo Yuden	180 pF	±5%	50V	C0G/NP0	-55°C ~ 125°C	0402 (1005 Metric)	0.039" x 0.020" (1.00mm x 0.50mm)	0.022" (0.55mm)	1	ROHS3	Active	None listed
AC0402JRNPO9BN181	YAGEO	180 pF	±5%	50V	C0G/NP0	-55°C ~ 125°C	0402 (1005 Metric)	0.039" x 0.020" (1.00mm x 0.50mm)	0.022" (0.55mm)	1	ROHS3	Active	AEC-Q200
C0402C181J5GACAUTO	KEMET	180 pF	±5%	50V	C0G/NP0	-55°C ~ 125°C	0402 (1005 Metric)	0.039" x 0.020" (1.00mm x 0.50mm)	0.022" (0.55mm)	1	ROHS3	Active	AEC-Q200
CGA2B2C0G1H181J050BA	TDK Corporation	180 pF	±5%	50V	C0G/NP0	-55°C ~ 125°C	0402 (1005 Metric)	0.039" x 0.020" (1.00mm x 0.50mm)	0.022" (0.55mm)	1	ROHS3	Active	AEC-Q200
CGJ2B2C0G1H181J050BA	TDK Corporation	180 pF	±5%	50V	C0G/NP0	-55°C ~ 125°C	0402 (1005 Metric)	0.039" x 0.020" (1.00mm x 0.50mm)	0.022" (0.55mm)	1	ROHS3	Obsolete	AEC-Q200
GCM1555C1H181JA16D	Murata Electronics	180 pF	±5%	50V	C0G/NP0	-55°C ~ 125°C	0402 (1005 Metric)	0.039" x 0.020" (1.00mm x 0.50mm)	0.022" (0.55mm)	1	ROHS3	Active	AEC-Q200
GCM1555C1H181JA16J	Murata Electronics	180 pF	±5%	50V	C0G/NP0	-55°C ~ 125°C	0402 (1005 Metric)	0.039" x 0.020" (1.00mm x 0.50mm)	0.022" (0.55mm)	1	ROHS3	Active	AEC-Q200
GRT1555C1H181JA02D	Murata Electronics	180 pF	±5%	50V	C0G/NP0	-55°C ~ 125°C	0402 (1005 Metric)	0.039" x 0.020" (1.00mm x 0.50mm)	0.022" (0.55mm)	1	ROHS3	Active	AEC-Q200
0402N181J500CT	Walsin Technology Corporation	180 pF	±5%	50V	C0G/NP0	-55°C ~ 125°C	0402 (1005 Metric)	0.039" x 0.020" (1.00mm x 0.50mm)	0.022" (0.55mm)	1	ROHS3	Active	None listed
C0402C181J5GAC7867	KEMET	180 pF	±5%	50V	C0G/NP0	-55°C ~ 125°C	0402 (1005 Metric)	0.039" x 0.020" (1.00mm x 0.50mm)	0.022" (0.55mm)	1	ROHS3	Active	None listed
C1005C0G1H181J050BA	TDK Corporation	180 pF	±5%	50V	C0G/NP0	-55°C ~ 125°C	0402 (1005 Metric)	0.039" x 0.020" (1.00mm x 0.50mm)	0.022" (0.55mm)	1	ROHS3	Last Time Buy	None listed

Engineering Selection Recommendations

All substitute parts listed maintain identical electrical specifications and physical package dimensions as the MBASU105SCG181JFNA01. Selection among these parts should be based on the following criteria:

For Active Production Applications: Parts with Active product status are preferred for new designs and ongoing production. The following parts maintain Active status: AC0402JRNPO9BN181 (YAGEO), C0402C181J5GACAUTO (KEMET), CGA2B2C0G1H181J050BA (TDK Corporation), GCM1555C1H181JA16D (Murata Electronics), GCM1555C1H181JA16J (Murata Electronics), GRT1555C1H181JA02D (Murata Electronics), 0402N181J500CT (Walsin Technology Corporation), and C0402C181J5GAC7867 (KEMET).

For Automotive and High-Reliability Applications: Parts with AEC-Q200 certification provide automotive-grade reliability assurance. These include AC0402JRNPO9BN181, C0402C181J5GACAUTO, CGA2B2C0G1H181J050BA, GCM1555C1H181JA16D, GCM1555C1H181JA16J, and GRT1555C1H181JA02D.

For General Purpose Applications: Parts without automotive certifications are suitable for general purpose applications. These include 0402N181J500CT and C0402C181J5GAC7867.

Avoid for New Designs: CGJ2B2C0G1H181J050BA (TDK Corporation) has Obsolete product status and C1005C0G1H181J050BA (TDK Corporation) has Last Time Buy status. These parts should not be selected for new designs.

Inventory Considerations: Substitute parts with higher inventory levels provide greater supply chain security. YAGEO AC0402JRNPO9BN181 (86,745 pcs), Murata Electronics GCM1555C1H181JA16D (85,021 pcs), and Walsin Technology Corporation 0402N181J500CT (64,580 pcs) offer substantial inventory availability.

All substitute parts are ROHS3 compliant and maintain Moisture Sensitivity Level 1 (Unlimited), ensuring compatibility with standard manufacturing and storage processes.

Frequently Asked Questions (FAQ)

Q: Can I substitute the MBASU105SCG181JFNA01 with any of the listed parts?

A: Yes, all listed parts are electrically and mechanically equivalent. They share identical capacitance (180 pF), tolerance (±5%), voltage rating (50V), temperature coefficient (C0G/NP0), operating temperature range (-55°C to 125°C), and 0402 (1005 Metric) package format. However, parts with Obsolete or Last Time Buy status should not be used for new designs.

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

A: Upgrade Substitutes include AEC-Q200 automotive-grade certifications and are recommended for applications requiring enhanced reliability assurance. Parametric Equivalents match all electrical and mechanical specifications but lack automotive certifications and are suitable for general purpose applications.

Q: Are all substitute parts available in the same packaging format?

A: Most substitute parts are available in Tape & Reel (TR) packaging, which is standard for high-volume production. CGJ2B2C0G1H181J050BA is available in Cut Tape (CT) & Digi-Reel® packaging, and C1005C0G1H181J050BA is available in Cut Tape (CT) packaging. Verify packaging requirements for your specific manufacturing process.

Q: Do all substitute parts have the same moisture sensitivity level?

A: Yes, all substitute parts maintain Moisture Sensitivity Level 1 (Unlimited), indicating no moisture sensitivity restrictions. This ensures compatibility with standard storage and handling procedures.

Q: Which substitute part offers the best supply chain security?

A: YAGEO AC0402JRNPO9BN181 offers the highest inventory availability with 86,745 pieces in stock, followed by Murata Electronics GCM1555C1H181JA16D with 85,021 pieces. Both parts are Active in production status and carry AEC-Q200 certification.

Q: Can I use these parts interchangeably on the same PCB assembly?

A: Yes, all substitute parts are pin-compatible and footprint-compatible with the MBASU105SCG181JFNA01 due to identical 0402 (1005 Metric) package specifications. No PCB layout modifications are required.

Q: Are all substitute parts RoHS compliant?

A: Yes, all substitute parts are ROHS3 compliant, meeting current environmental and regulatory requirements for electronic components.

Q: What should I consider when selecting between multiple substitute parts?

A: Consider product status (Active preferred over Obsolete or Last Time Buy), required certifications (AEC-Q200 for automotive applications), inventory availability, and manufacturer preference based on your supply chain relationships and quality agreements.

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