MSAST042SCG040CWNA01 Equivalent & Substitute Parts

Part Overview

The MSAST042SCG040CWNA01 is a 4 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 classified as Active product status. Identifying equivalent and substitute parts is necessary to ensure design flexibility, manage supply chain continuity, and maintain component availability across manufacturing cycles.

Substiute Parts

MSAST042SCG040CWNA01
Taiyo YudenIn Stock: 903MSAST042SCG040CWNA01 Datasheet
MSAST042SCG040CWNA01
Current Part
KGM02ACG1E4R0CH
KYOCERA AVXIn Stock: 5283KGM02ACG1E4R0CH Datasheet
KGM02ACG1E4R0CH
Parametric Equivalent

Key Parameters

Parameter Value
Capacitance 4 pF
Tolerance ±0.25pF
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)
RoHS Status ROHS3 Compliant
Moisture Sensitivity Level (MSL) 1 (Unlimited)
REACH Status REACH Unaffected

Substitute Part Grouping Explanation

Substitution of the MSAST042SCG040CWNA01 is determined by strict equivalence across the following electrical and mechanical parameters:

Electrical Parameters:

  • Capacitance value: 4 pF
  • Tolerance: ±0.25pF
  • Rated voltage: 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
  • REACH unaffected status
  • Moisture sensitivity level: 1 (Unlimited)

Parts meeting all these criteria are classified as direct parametric equivalents and may be substituted without circuit redesign or board layout modification.

Parameter Comparison

Parameter MSAST042SCG040CWNA01 (Taiyo Yuden) KGM02ACG1E4R0CH (KYOCERA AVX)
Capacitance 4 pF 4 pF
Tolerance ±0.25pF ±0.25pF
Voltage - Rated 25V 25V
Temperature Coefficient C0G, NP0 C0G, NP0
Operating Temperature Range -55°C ~ 125°C -55°C ~ 125°C
Package / Case 01005 (0402 Metric) 01005 (0402 Metric)
Mounting Type Surface Mount, MLCC Surface Mount, MLCC
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)
Thickness (Max) 0.009" (0.22mm) 0.009" (0.22mm)
RoHS Status ROHS3 Compliant ROHS3 Compliant
Moisture Sensitivity Level (MSL) 1 (Unlimited) 1 (Unlimited)
REACH Status REACH Unaffected REACH Unaffected
Packaging Tape & Reel (TR) Tape & Reel (TR)

Engineering Selection Recommendations

The KGM02ACG1E4R0CH manufactured by KYOCERA AVX is a direct parametric equivalent to the MSAST042SCG040CWNA01. Both components are Active product status and meet identical electrical specifications, mechanical dimensions, and compliance requirements.

Selection between these parts is based on:

Supply Availability: The KGM02ACG1E4R0CH currently maintains higher inventory levels (5219 pcs) compared to the MSAST042SCG040CWNA01 (805 pcs), supporting extended production runs and reducing lead time risk.

Regulatory Compliance: Both parts are ROHS3 compliant and REACH unaffected, meeting current environmental and regulatory standards for electronic component manufacturing and use.

Moisture Sensitivity: Both parts carry MSL 1 (Unlimited) rating, indicating no moisture sensitivity constraints during storage, handling, or assembly processes.

Packaging Consistency: Both parts are supplied in Tape & Reel (TR) format, ensuring compatibility with automated assembly equipment and standard component handling procedures.

Frequently Asked Questions (FAQ)

Q: Can the KGM02ACG1E4R0CH be used as a direct replacement for the MSAST042SCG040CWNA01 without circuit modification?

A: Yes. Both components share identical electrical parameters (4 pF capacitance, ±0.25pF tolerance, 25V rating, C0G/NP0 temperature coefficient) and mechanical specifications (01005 package, identical dimensions and thickness). No circuit redesign is required.

Q: Are there any differences in operating temperature performance between these two parts?

A: No. Both components operate across the identical temperature range of -55°C to 125°C with C0G/NP0 temperature coefficient, ensuring equivalent frequency stability and performance across all operating conditions.

Q: Do both parts require the same PCB footprint and assembly process?

A: Yes. Both components use the 01005 (0402 Metric) package with identical physical dimensions (0.016" L x 0.008" W, 0.40mm x 0.20mm) and maximum thickness (0.009" / 0.22mm). PCB footprints and reflow profiles are interchangeable.

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

A: MSL 1 (Unlimited) indicates these components have no moisture sensitivity limitations. They do not require special dry-pack storage, desiccant handling, or bake-out procedures prior to assembly, simplifying inventory management and reducing component preparation time.

Q: Are both parts compliant with current environmental regulations?

A: Yes. Both the MSAST042SCG040CWNA01 and KGM02ACG1E4R0CH are ROHS3 compliant and REACH unaffected, meeting current European and international environmental standards for electronic components.

Q: Can these parts be mixed within the same production batch?

A: Yes. Since both parts are parametric equivalents with identical electrical and mechanical specifications, they can be used interchangeably within the same design and production batch without affecting circuit performance or reliability.

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