TVS042CG2R7AC-W Equivalent & Substitute Parts

Part Overview

The TVS042CG2R7AC-W is a 2.7 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 RF, microwave, and high-frequency applications. The part carries a "Not For New Designs" product status, indicating that Taiyo Yuden has discontinued active development for this specific model number. Identifying equivalent and substitute parts is necessary to ensure design continuity, maintain supply chain flexibility, and support ongoing production requirements for existing applications.

Key Parameters

Parameter	Value
Capacitance	2.7 pF
Tolerance	±0.05pF
Voltage Rating	25V
Temperature Coefficient	C0G, NP0
Operating Temperature Range	-55°C ~ 125°C
Package / Case	01005 (0402 Metric)
Mounting Type	Surface Mount, MLCC
Physical Dimensions	0.016" L x 0.008" W (0.40mm x 0.20mm)
Thickness (Max)	0.009" (0.22mm)
Moisture Sensitivity Level	1 (Unlimited)
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution eligibility for the TVS042CG2R7AC-W is determined by strict equivalence across the following critical parameters:

Mandatory Matching Parameters:

Capacitance: 2.7 pF
Tolerance: ±0.05pF
Voltage Rating: 25V
Temperature Coefficient: C0G, NP0
Operating Temperature Range: -55°C ~ 125°C
Package / Case: 01005 (0402 Metric)
Physical Dimensions: 0.016" L x 0.008" W (0.40mm x 0.20mm)
Thickness (Max): 0.009" (0.22mm)
Mounting Type: Surface Mount, MLCC
Moisture Sensitivity Level: 1 (Unlimited)
RoHS Status: ROHS3 Compliant

All identified substitute parts meet these mandatory parameters. Substitutes are available from multiple manufacturers (Taiyo Yuden, YAGEO, Murata Electronics) and include both active production parts and legacy models. Packaging format variations (Tape & Reel versus Cut Tape) do not affect electrical or mechanical compatibility.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Capacitance	Tolerance	Voltage Rating	Temperature Coefficient	Operating Temperature	Package / Case	Dimensions (L x W)	Thickness (Max)	Product Status	Packaging	Inventory
TVS042CG2R7AC-W	Taiyo Yuden	2.7 pF	±0.05pF	25V	C0G, NP0	-55°C ~ 125°C	01005 (0402 Metric)	0.016" x 0.008" (0.40mm x 0.20mm)	0.009" (0.22mm)	Not For New Designs	Tape & Reel (TR)	786 Pcs
MLAST042SCG2R7AWNA01	Taiyo Yuden	2.7 pF	±0.05pF	25V	C0G, NP0	-55°C ~ 125°C	01005 (0402 Metric)	0.016" x 0.008" (0.40mm x 0.20mm)	0.009" (0.22mm)	Active	Tape & Reel (TR)	1041 Pcs
MSART042SCG2R7AWRA01	Taiyo Yuden	2.7 pF	±0.05pF	25V	C0G, NP0	-55°C ~ 125°C	01005 (0402 Metric)	0.016" x 0.008" (0.40mm x 0.20mm)	0.009" (0.22mm)	Active	Tape & Reel (TR)	1031 Pcs
MSAST042SCG2R7AWNA01	Taiyo Yuden	2.7 pF	±0.05pF	25V	C0G, NP0	-55°C ~ 125°C	01005 (0402 Metric)	0.016" x 0.008" (0.40mm x 0.20mm)	0.009" (0.22mm)	Active	Tape & Reel (TR)	621 Pcs
TMK042CG2R7AD-W	Taiyo Yuden	2.7 pF	±0.05pF	25V	C0G, NP0	-55°C ~ 125°C	01005 (0402 Metric)	0.016" x 0.008" (0.40mm x 0.20mm)	0.009" (0.22mm)	Not For New Designs	Cut Tape (CT)	999 Pcs
CQ0100ARNPO8BN2R7	YAGEO	2.7 pF	±0.05pF	25V	C0G, NP0	-55°C ~ 125°C	01005 (0402 Metric)	0.016" x 0.008" (0.40mm x 0.20mm)	0.009" (0.22mm)	Active	Tape & Reel (TR)	20447 Pcs
GJM0225C1E2R7WB01L	Murata Electronics	2.7 pF	±0.05pF	25V	C0G, NP0	-55°C ~ 125°C	01005 (0402 Metric)	0.016" x 0.008" (0.40mm x 0.20mm)	0.009" (0.22mm)	Active	Tape & Reel (TR)	1152 Pcs

Engineering Selection Recommendations

Active Production Alternatives (Recommended for New Procurement):

The following parts carry "Active" product status and are currently in production:

MLAST042SCG2R7AWNA01 (Taiyo Yuden, MLAS Series): Active production status with 1041 units in inventory. Suitable for medical and non-critical applications. REACH Unaffected certification available.
MSART042SCG2R7AWRA01 (Taiyo Yuden, MSAR Series): Active production status with 1031 units in inventory. Designated for general-purpose applications.
MSAST042SCG2R7AWNA01 (Taiyo Yuden, MSAS Series): Active production status with 621 units in inventory. Designated for general-purpose applications. REACH Unaffected certification available.
CQ0100ARNPO8BN2R7 (YAGEO, CQ Series): Active production status with highest inventory availability (20447 units). Includes High Q feature specification. Suitable for general-purpose applications.
GJM0225C1E2R7WB01L (Murata Electronics, GJM Series): Active production status with 1152 units in inventory. Includes High Q and Low Loss feature specifications. Designated for RF, microwave, and high-frequency applications. REACH Unaffected certification available.

Legacy Parts (Existing Design Support Only):

TVS042CG2R7AC-W (Taiyo Yuden, V Series): "Not For New Designs" status. Current inventory: 786 units. Suitable only for sustaining existing production.
TMK042CG2R7AD-W (Taiyo Yuden, M Series): "Not For New Designs" status. Current inventory: 999 units. Packaged in Cut Tape format. Suitable only for sustaining existing production.

Compliance Considerations:

All substitute parts maintain ROHS3 compliance and Moisture Sensitivity Level 1 (Unlimited) rating, ensuring compatibility with standard manufacturing and storage protocols. Parts designated as REACH Unaffected (MLAST042SCG2R7AWNA01, MSAST042SCG2R7AWNA01, GJM0225C1E2R7WB01L) provide additional regulatory assurance for applications subject to REACH requirements.

Frequently Asked Questions (FAQ)

Q: Can I substitute TVS042CG2R7AC-W with any of the listed alternatives without circuit redesign?

A: Yes. All listed substitute parts are parametrically equivalent across capacitance, tolerance, voltage rating, temperature coefficient, operating temperature range, package type, and physical dimensions. Direct substitution is electrically and mechanically compatible.

Q: What is the difference between Tape & Reel and Cut Tape packaging?

A: Tape & Reel (TR) packaging is supplied on continuous carrier tape suitable for automated pick-and-place assembly. Cut Tape (CT) packaging is supplied as individual segments cut from the carrier tape, typically for manual assembly or lower-volume applications. Both formats contain identical components; packaging format selection depends on assembly process requirements.

Q: Why is TVS042CG2R7AC-W marked "Not For New Designs"?

A: "Not For New Designs" status indicates that the manufacturer has discontinued active development and promotion of this specific part number. While existing inventory remains available for sustaining current production, new designs should transition to active production alternatives to ensure long-term supply chain stability.

Q: Are there differences in application suitability between substitute parts?

A: Application designations vary by manufacturer series. TVS042CG2R7AC-W and GJM0225C1E2R7WB01L are specified for RF, microwave, and high-frequency applications. MLAST042SCG2R7AWNA01 is designated for medical and non-critical applications. MSART042SCG2R7AWRA01, MSAST042SCG2R7AWNA01, and CQ0100ARNPO8BN2R7 are designated for general-purpose applications. All parts meet identical electrical and mechanical specifications; application designations reflect manufacturer qualification and intended market segments.

Q: What does "High Q" specification mean for CQ0100ARNPO8BN2R7 and GJM0225C1E2R7WB01L?

A: High Q (quality factor) indicates lower dielectric loss and higher efficiency in RF and high-frequency circuits. This feature is beneficial for precision frequency-dependent applications but does not affect basic capacitive function or compatibility with standard circuit designs.

Q: Which substitute part offers the best inventory availability?

A: CQ0100ARNPO8BN2R7 (YAGEO) currently has the highest inventory level at 20447 units, providing maximum supply chain flexibility for high-volume procurement.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All listed substitute parts carry ROHS3 compliance certification, ensuring compatibility with environmental and regulatory requirements for electronics manufacturing.

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