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MMASU31LSB7105KTNA01 Ceramic Capacitor 1µF 50V X7R 1206
Part Overview
The MMASU31LSB7105KTNA01 is a 1 µF ±10% 50V ceramic capacitor manufactured by Taiyo Yuden in the 1206 (3216 Metric) surface mount package. This multilayer ceramic capacitor (MLCC) features X7R temperature coefficient characteristics and operates across the temperature range of -55°C to 125°C. The part is classified as Active product status and is RoHS3 compliant with MSL 1 (Unlimited) moisture sensitivity rating.
Equivalent and substitute parts are identified when design requirements necessitate alternative sourcing due to inventory constraints, supply chain considerations, or when specific application certifications (such as AEC-Q200 for automotive use) are required.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Capacitance | 1 µF |
| Tolerance | ±10% |
| Voltage Rating | 50V |
| Temperature Coefficient | X7R |
| Operating Temperature Range | -55°C to 125°C |
| Package / Case | 1206 (3216 Metric) |
| Physical Dimensions | 0.126" L x 0.063" W (3.20mm x 1.60mm) |
| Thickness (Max) | 0.071" (1.80mm) |
| Mounting Type | Surface Mount, MLCC |
| RoHS Status | ROHS3 Compliant |
| Moisture Sensitivity Level | 1 (Unlimited) |
Substitute Part Grouping Explanation
Substitute parts for the MMASU31LSB7105KTNA01 are classified into two categories based on their relationship to the main part:
Upgrade Substitutes are parts that maintain identical electrical and mechanical specifications while offering enhanced product status or additional certifications. These parts share the same capacitance (1 µF), tolerance (±10%), voltage rating (50V), temperature coefficient (X7R), operating temperature range (-55°C to 125°C), and 1206 package footprint. Upgrade substitutes include AEC-Q200 rated components suitable for automotive applications and parts with Active product status.
Parametric Equivalents are parts that match all critical electrical parameters and physical package dimensions but may differ in series designation, packaging format, or compliance certifications. These parts are functionally interchangeable at the circuit level and maintain the same 1 µF capacitance, 50V voltage rating, X7R temperature coefficient, and 1206 package specification.
The substitution logic is based strictly on the following key parameters:
- Capacitance value: 1 µF
- Voltage rating: 50V
- Temperature coefficient: X7R
- Package type: 1206 (3216 Metric)
- Physical dimensions: 0.126" L x 0.063" W x 0.071" max thickness
- Mounting type: Surface Mount, MLCC
Parameter Comparison
| Manufacturer Part Number | Manufacturer | Capacitance | Tolerance | Voltage | Temp Coeff | Temp Range | Package | Product Status | AEC-Q200 | RoHS3 |
|---|---|---|---|---|---|---|---|---|---|---|
| MMASU31LSB7105KTNA01 | Taiyo Yuden | 1 µF | ±10% | 50V | X7R | -55°C ~ 125°C | 1206 | Active | No | Yes |
| UMF316B7105KLHT | Taiyo Yuden | 1 µF | ±10% | 50V | X7R | -55°C ~ 125°C | 1206 | Not For New Designs | Yes | Yes |
| AC1206KKX7R9BB105 | YAGEO | 1 µF | ±10% | 50V | X7R | -55°C ~ 125°C | 1206 | Active | Yes | Yes |
| C1206F105K5RACAUTO | KEMET | 1 µF | ±10% | 50V | X7R | -55°C ~ 125°C | 1206 | Active | Yes | Yes |
| CGA5L3X7R1H105K160AB | TDK Corporation | 1 µF | ±10% | 50V | X7R | -55°C ~ 125°C | 1206 | Active | Yes | Yes |
| CL31B105KBHWPNE | Samsung Electro-Mechanics | 1 µF | ±10% | 50V | X7R | -55°C ~ 125°C | 1206 | Active | Yes | Yes |
| 12065C105KAR1-EM | KYOCERA AVX | 1 µF | ±10% | 50V | X7R | -55°C ~ 125°C | 1206 | Active | No | No |
| C1206F105K5RAC7800 | KEMET | 1 µF | ±10% | 50V | X7R | -55°C ~ 125°C | 1206 | Active | No | Yes |
| C3216X7R1H105K160AB | TDK Corporation | 1 µF | ±10% | 50V | X7R | -55°C ~ 125°C | 1206 | Active | No | Yes |
| CC1206KFX7R9BB105 | YAGEO | 1 µF | ±10% | 50V | X7R | -55°C ~ 125°C | 1206 | Active | No | Yes |
| CC1206KKX7R9BB105 | YAGEO | 1 µF | ±10% | 50V | X7R | -55°C ~ 125°C | 1206 | Active | No | Yes |
Engineering Selection Recommendations
For Automotive Applications: Select parts with AEC-Q200 certification. The following parts meet this requirement with Active product status: AC1206KKX7R9BB105 (YAGEO), C1206F105K5RACAUTO (KEMET), CGA5L3X7R1H105K160AB (TDK Corporation), and CL31B105KBHWPNE (Samsung Electro-Mechanics).
For General Purpose and Non-Critical Applications: The main part MMASU31LSB7105KTNA01 (Taiyo Yuden, Active status) is suitable. Parametric equivalents with Active status include C1206F105K5RAC7800 (KEMET), C3216X7R1H105K160AB (TDK Corporation), CC1206KFX7R9BB105 (YAGEO), and CC1206KKX7R9BB105 (YAGEO).
For RoHS3 Compliance: All listed parts except 12065C105KAR1-EM are RoHS3 compliant. The 12065C105KAR1-EM part is RoHS non-compliant and should not be selected for applications requiring RoHS3 certification.
For New Designs: Avoid UMF316B7105KLHT, which carries "Not For New Designs" product status. This part is suitable only for legacy system maintenance or replacement applications.
Inventory Availability: CGA5L3X7R1H105K160AB (TDK Corporation) offers the highest inventory level at 231,083 pieces. C1206F105K5RACAUTO (KEMET) provides 3,071 pieces with automotive certification and Active status.
Frequently Asked Questions (FAQ)
Q: Can MMASU31LSB7105KTNA01 be directly replaced with any of the listed substitute parts?
A: Yes, all listed parts are direct replacements at the circuit level. They share identical electrical specifications (1 µF, ±10%, 50V, X7R) and physical package dimensions (1206). However, selection should account for product status, compliance certifications, and application requirements.
Q: What is the difference between Upgrade Substitutes and Parametric Equivalents?
A: Upgrade Substitutes maintain identical specifications while offering enhanced certifications or product status. Parametric Equivalents match all critical electrical and mechanical parameters but may differ in series designation or packaging format. Both categories are functionally interchangeable.
Q: Are all substitute parts RoHS3 compliant?
A: No. The part 12065C105KAR1-EM is RoHS non-compliant. All other listed parts are RoHS3 compliant. Verify compliance requirements for your specific application before selection.
Q: Which parts carry AEC-Q200 automotive certification?
A: The following parts are AEC-Q200 rated: UMF316B7105KLHT (Taiyo Yuden), AC1206KKX7R9BB105 (YAGEO), C1206F105K5RACAUTO (KEMET), CGA5L3X7R1H105K160AB (TDK Corporation), and CL31B105KBHWPNE (Samsung Electro-Mechanics).
Q: Can I use UMF316B7105KLHT in a new design?
A: No. UMF316B7105KLHT carries "Not For New Designs" product status. This part is restricted to replacement or legacy applications only. Select an Active status part for new designs.
Q: Are there packaging format differences among the substitute parts?
A: Yes. Most parts are supplied in Tape & Reel (TR) format. CL31B105KBHWPNE is supplied in Cut Tape (CT) & Digi-Reel® format. CC1206KFX7R9BB105 and CC1206KKX7R9BB105 are supplied in Cut Tape (CT) & Digi-Reel® format. Verify packaging compatibility with your assembly process.
Q: What is the moisture sensitivity level for all these parts?
A: All listed parts have MSL 1 (Unlimited) moisture sensitivity rating, indicating no special moisture handling precautions are required during storage or assembly.
Q: Do all parts operate across the same temperature range?
A: Yes. All parts operate from -55°C to 125°C with X7R temperature coefficient, ensuring stable capacitance across this range.
Q: Which part offers the best inventory availability?
A: CGA5L3X7R1H105K160AB (TDK Corporation) offers 231,083 pieces in stock, providing the highest availability among all listed parts.
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