MSART042SCG0R3AWRA01 Equivalent & Substitute Parts

Part Overview

The MSART042SCG0R3AWRA01 is a 0.3 pF ceramic capacitor manufactured by Taiyo Yuden, rated for 25V with C0G/NP0 temperature coefficient characteristics. This surface mount multilayer ceramic capacitor (MLCC) is packaged in 01005 (0402 Metric) form factor and is designed for general purpose applications requiring stable capacitance across temperature ranges from -55°C to 125°C. The part is currently in active production status with ROHS3 compliance and MSL 1 moisture sensitivity rating. Identifying equivalent substitute parts is necessary to ensure design flexibility, manage supply chain continuity, and maintain component availability across manufacturing cycles.

Key Parameters

Parameter	Value
Capacitance	0.3 pF
Tolerance	±0.05pF
Voltage - Rated	25V
Temperature Coefficient	C0G, NP0
Operating Temperature Range	-55°C ~ 125°C
Package / Case	01005 (0402 Metric)
Mounting Type	Surface Mount, MLCC
Size / Dimension	0.016" L x 0.008" W (0.40mm x 0.20mm)
Thickness (Max)	0.009" (0.22mm)
Moisture Sensitivity Level (MSL)	1 (Unlimited)
RoHS Status	ROHS3 Compliant
Product Status	Active

Substitute Part Grouping Explanation

Substitution of the MSART042SCG0R3AWRA01 is determined by strict equivalence across all critical electrical and mechanical parameters. The substitute part must match the following criteria:

Electrical Parameters:

Capacitance value: 0.3 pF
Tolerance: ±0.05pF
Voltage rating: 25V
Temperature coefficient: C0G/NP0

Mechanical Parameters:

Package type: 01005 (0402 Metric)
Mounting type: Surface Mount, MLCC
Physical dimensions: 0.016" L x 0.008" W (0.40mm x 0.20mm)
Maximum thickness: 0.009" (0.22mm)

Compliance Parameters:

RoHS3 compliance
MSL 1 rating
Active production status

The substitute part CQ0100ARNPO8BNR30 from YAGEO meets all specified parameters and is classified as a parametric equivalent.

Parameter Comparison

Parameter	MSART042SCG0R3AWRA01 (Taiyo Yuden)	CQ0100ARNPO8BNR30 (YAGEO)	Match Status
Capacitance	0.3 pF	0.3 pF	Equivalent
Tolerance	±0.05pF	±0.05pF	Equivalent
Voltage - Rated	25V	25V	Equivalent
Temperature Coefficient	C0G, NP0	C0G, NP0	Equivalent
Operating Temperature Range	-55°C ~ 125°C	-55°C ~ 125°C	Equivalent
Package / Case	01005 (0402 Metric)	01005 (0402 Metric)	Equivalent
Mounting Type	Surface Mount, MLCC	Surface Mount, MLCC	Equivalent
Size / Dimension	0.016" L x 0.008" W (0.40mm x 0.20mm)	0.016" L x 0.008" W (0.40mm x 0.20mm)	Equivalent
Thickness (Max)	0.009" (0.22mm)	0.009" (0.22mm)	Equivalent
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)	Equivalent
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	Equivalent
Product Status	Active	Active	Equivalent

Engineering Selection Recommendations

Both the MSART042SCG0R3AWRA01 and CQ0100ARNPO8BNR30 are active production components with full ROHS3 compliance and identical electrical specifications. Selection between these parts should be based on:

Supply Chain Availability: The CQ0100ARNPO8BNR30 (YAGEO) currently maintains higher inventory levels (40,794 pcs) compared to the MSART042SCG0R3AWRA01 (622 pcs), making it suitable for applications requiring immediate or bulk procurement.

Compliance Certification: Both parts carry ROHS3 compliance and MSL 1 ratings, ensuring compatibility with standard manufacturing and storage protocols. The YAGEO part includes documented REACH Unaffected status.

Production Status: Both components are in active production, supporting long-term design continuity and supply stability.

Electrical Performance: Identical capacitance, tolerance, voltage rating, and temperature coefficient specifications ensure direct functional equivalence in circuit applications.

Frequently Asked Questions (FAQ)

Q: Can the CQ0100ARNPO8BNR30 be used as a direct replacement for the MSART042SCG0R3AWRA01?

A: Yes. Both parts are parametric equivalents with identical electrical specifications (0.3 pF, ±0.05pF, 25V, C0G/NP0), identical package dimensions (01005/0402 Metric), and identical compliance ratings (ROHS3, MSL 1). Direct substitution is supported without circuit modification.

Q: Are there any dimensional differences between these parts?

A: No. Both parts share identical physical dimensions: 0.016" L x 0.008" W (0.40mm x 0.20mm) with maximum thickness of 0.009" (0.22mm). PCB footprint and assembly compatibility are identical.

Q: What is the significance of the C0G/NP0 temperature coefficient designation?

A: C0G (IEC standard) and NP0 (EIA standard) are equivalent designations indicating zero temperature coefficient performance. Capacitance remains stable across the -55°C to 125°C operating range, making these parts suitable for precision applications requiring minimal capacitance drift.

Q: Do both parts require identical handling and storage procedures?

A: Yes. Both parts carry MSL 1 (Unlimited) moisture sensitivity ratings, indicating no moisture sensitivity restrictions. Standard surface mount component handling and storage procedures apply to both parts.

Q: What is the difference between the MSAR and CQ series designations?

A: MSAR is the Taiyo Yuden series identifier, while CQ is the YAGEO series identifier. These are manufacturer-specific series codes that do not affect electrical or mechanical equivalence. The parametric specifications determine functional compatibility.

Q: Are there any compliance or certification differences?

A: Both parts are ROHS3 compliant. The YAGEO part includes additional REACH Unaffected documentation. Both carry identical ECCN (EAR99) and HTSUS (8532.24.0020) classifications.

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