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MMASU105SCG010CFNA01 Equivalent & Substitute Parts
Part Overview
The MMASU105SCG010CFNA01 is a 1 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 applications requiring stable capacitance across temperature ranges from -55°C to 125°C. The part is active in production status with RoHS3 compliance and unlimited moisture sensitivity level (MSL 1). Equivalent and substitute parts are identified to provide design flexibility, supply chain alternatives, and application-specific options while maintaining electrical and mechanical compatibility.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Capacitance | 1 pF |
| Tolerance | ±0.25pF |
| 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) |
| Maximum Thickness | 0.022" (0.55mm) |
| Packaging Format | Tape & Reel (TR) |
| RoHS Status | ROHS3 Compliant |
| Moisture Sensitivity Level | 1 (Unlimited) |
Substitute Part Grouping Explanation
Substitute parts for the MMASU105SCG010CFNA01 are classified into two categories based on their relationship to the main part:
Upgrade Substitutes are parts that maintain identical electrical specifications while offering enhanced certifications, higher inventory availability, or automotive-grade qualifications. These parts meet or exceed the performance requirements of the original part and are suitable for direct replacement in all applications.
Parametric Equivalents are parts that match all critical electrical and mechanical parameters but may differ in series designation, manufacturer, or application classification. These parts provide functional equivalence and are suitable for applications where the original part is unavailable.
The substitution logic is based strictly on the following parameters:
- Capacitance value: 1 pF
- Tolerance: ±0.25pF
- Voltage rating: 50V
- Temperature coefficient: C0G/NP0
- Operating temperature range: -55°C to 125°C
- Package: 0402 (1005 Metric)
- Mounting type: Surface Mount, MLCC
- Physical dimensions: 0.039" L x 0.020" W, maximum thickness 0.022"
- Packaging format: Tape & Reel
All substitute parts must satisfy these parameters to ensure electrical and mechanical compatibility with the original design.
Parameter Comparison
| Manufacturer Part Number | Manufacturer | Capacitance | Tolerance | Voltage Rating | Temperature Coefficient | Operating Temperature | Package | Dimensions (L x W) | Max Thickness | RoHS Status | MSL | Inventory (Pcs) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| MMASU105SCG010CFNA01 | Taiyo Yuden | 1 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) | ROHS3 Compliant | 1 | 1104 |
| AC0402CRNPO9BN1R0 | YAGEO | 1 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) | ROHS3 Compliant | 1 | 4117 |
| C0402C109C5GACAUTO | KEMET | 1 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) | ROHS3 Compliant | 1 | 18541 |
| CGA2B2C0G1H010C050BA | TDK Corporation | 1 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) | ROHS3 Compliant | 1 | 53188 |
| CL05C010CB51PNC | Samsung Electro-Mechanics | 1 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) | ROHS3 Compliant | 1 | 100609 |
| GCM1555C1H1R0CA16D | Murata Electronics | 1 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) | ROHS3 Compliant | 1 | 8685 |
| GCM1555C1H1R0CA16J | Murata Electronics | 1 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) | ROHS3 Compliant | 1 | 343435 |
| GCQ1555C1H1R0CB01D | Murata Electronics | 1 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) | ROHS3 Compliant | 1 | 11307 |
| GRT1555C1H1R0CA02J | Murata Electronics | 1 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) | ROHS3 Compliant | 1 | 49881 |
| 0402N1R0C500CT | Walsin Technology Corporation | 1 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) | ROHS3 Compliant | 1 | 35285 |
| C0402C109C5GAC7867 | KEMET | 1 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) | ROHS3 Compliant | 1 | 17231 |
Engineering Selection Recommendations
All substitute parts listed maintain full electrical and mechanical compatibility with the MMASU105SCG010CFNA01. Selection among these alternatives is based on the following criteria:
For Automotive Applications: Parts designated with AEC-Q200 certification are suitable for automotive-grade requirements. These include AC0402CRNPO9BN1R0 (YAGEO), C0402C109C5GACAUTO (KEMET), CGA2B2C0G1H010C050BA (TDK Corporation), CL05C010CB51PNC (Samsung Electro-Mechanics), GCM1555C1H1R0CA16D (Murata Electronics), GCM1555C1H1R0CA16J (Murata Electronics), GCQ1555C1H1R0CB01D (Murata Electronics), and GRT1555C1H1R0CA02J (Murata Electronics).
For High-Frequency Applications: GCQ1555C1H1R0CB01D is designated for RF, Microwave, and High Frequency applications in addition to automotive use.
For General Purpose Applications: 0402N1R0C500CT (Walsin Technology Corporation) and C0402C109C5GAC7867 (KEMET) are classified for general purpose use without automotive-specific certifications.
For Supply Chain Optimization: CL05C010CB51PNC offers the highest inventory availability at 100,609 pieces. GCM1555C1H1R0CA16J provides substantial inventory at 343,435 pieces. These options support extended production runs and reduce lead time risk.
For Low ESL Requirements: C0402C109C5GACAUTO (KEMET) and C0402C109C5GAC7867 (KEMET) are specified with Low ESL characteristics, suitable for applications requiring minimal parasitic inductance.
All substitute parts are ROHS3 compliant, possess MSL 1 (unlimited moisture sensitivity level), and operate across the identical temperature range of -55°C to 125°C.
Frequently Asked Questions (FAQ)
Q: Can I use any of these substitute parts as a direct replacement for MMASU105SCG010CFNA01?
A: Yes. All listed substitute parts match the critical electrical parameters (1 pF capacitance, ±0.25pF tolerance, 50V rating, C0G/NP0 temperature coefficient) and mechanical specifications (0402 package, identical physical dimensions, surface-mount configuration). Direct substitution is electrically and mechanically valid.
Q: What is the difference between Upgrade Substitutes and Parametric Equivalents?
A: Upgrade Substitutes include parts with enhanced certifications such as AEC-Q200 automotive qualification or additional features like Low ESL. Parametric Equivalents match all electrical and mechanical specifications but may lack automotive certifications or be designated for general purpose applications. Both categories are functionally compatible.
Q: Are all substitute parts RoHS3 compliant?
A: Yes. All substitute parts listed carry ROHS3 compliance status, matching the original MMASU105SCG010CFNA01.
Q: Do these parts have the same moisture sensitivity level?
A: Yes. All substitute parts are classified as MSL 1 (Unlimited), identical to the original part. This indicates no moisture sensitivity restrictions for storage and handling.
Q: Which substitute part has the best inventory availability?
A: CL05C010CB51PNC (Samsung Electro-Mechanics) offers the highest inventory at 100,609 pieces. GCM1555C1H1R0CA16J (Murata Electronics) provides 343,435 pieces, representing the largest available stock.
Q: Can I use these parts in automotive applications?
A: Parts carrying AEC-Q200 certification are qualified for automotive use. These include AC0402CRNPO9BN1R0, C0402C109C5GACAUTO, CGA2B2C0G1H010C050BA, CL05C010CB51PNC, GCM1555C1H1R0CA16D, GCM1555C1H1R0CA16J, GCQ1555C1H1R0CB01D, and GRT1555C1H1R0CA02J. The original MMASU105SCG010CFNA01 is designated for medical and non-critical applications.
Q: What is the operating temperature range for all these parts?
A: All substitute parts operate across -55°C to 125°C, matching the original part's temperature specification.
Q: Are there any dimensional differences between the substitute parts and the original?
A: No. All substitute parts maintain identical physical dimensions: 0.039" length x 0.020" width (1.00mm x 0.50mm) with maximum thickness of 0.022" (0.55mm). All are packaged in 0402 (1005 Metric) format.
Q: Which substitute parts feature Low ESL characteristics?
A: C0402C109C5GACAUTO (KEMET) and C0402C109C5GAC7867 (KEMET) are specified with Low ESL features, beneficial for high-frequency and RF applications requiring minimal parasitic inductance.
Q: Can I mix different substitute parts in the same production batch?
A: All substitute parts are electrically and mechanically equivalent. However, design documentation and traceability records should reflect the specific part number used in each production batch for quality assurance and supply chain management purposes.
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