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MMAST31LAB7475KTNA01 Equivalent & Substitute Parts
Part Overview
The MMAST31LAB7475KTNA01 is a 4.7 µF ±10% 25V ceramic capacitor manufactured by Taiyo Yuden with X7R temperature coefficient in 1206 (3216 Metric) surface mount package. This multilayer ceramic capacitor (MLCC) is designed for medical and non-critical applications with unlimited moisture sensitivity level (MSL 1) and ROHS3 compliance.
The part is currently active in production with 828 pieces in stock. Equivalent and substitute parts are identified based on matching electrical specifications, mechanical dimensions, and package compatibility to ensure direct functional replacement in circuit designs.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Capacitance | 4.7 µF |
| Tolerance | ±10% |
| Voltage - Rated | 25V |
| Temperature Coefficient | X7R |
| Operating Temperature Range | -55°C ~ 125°C |
| Package / Case | 1206 (3216 Metric) |
| Size / Dimension | 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 (MSL) | 1 (Unlimited) |
Substitute Part Grouping Explanation
Substitute parts are classified into two categories based on substitution relationship and product status:
Upgrade Substitutes are parts that meet or exceed the electrical and mechanical specifications of the main part while offering enhanced features, higher reliability ratings, or active production status. These parts are direct functional replacements suitable for new designs and production environments.
Parametric Equivalents are parts that match all critical electrical parameters and mechanical dimensions but may differ in series designation, packaging format, or application focus. These parts provide functional equivalence for specific use cases.
Substitution is determined by the following key parameters:
- Capacitance value: 4.7 µF (exact match required)
- Tolerance: ±10% (exact match required)
- Voltage rating: 25V (exact match required)
- Temperature coefficient: X7R (exact match required)
- Operating temperature range: -55°C ~ 125°C (exact match required)
- Package / Case: 1206 (3216 Metric) (exact match required)
- Physical dimensions: 0.126" L x 0.063" W (3.20mm x 1.60mm) (exact match required)
- Mounting type: Surface Mount, MLCC (exact match required)
- RoHS compliance: ROHS3 (exact match required)
- MSL rating: 1 (Unlimited) (exact match required)
Parameter Comparison
| Manufacturer Part Number | Manufacturer | Capacitance | Tolerance | Voltage | Temp Coeff | Operating Temp | Package | Thickness (Max) | Product Status | Ratings | MSL | RoHS |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| MMAST31LAB7475KTNA01 | Taiyo Yuden | 4.7 µF | ±10% | 25V | X7R | -55°C ~ 125°C | 1206 (3216) | 0.071" (1.80mm) | Active | - | 1 | ROHS3 |
| Upgrade Substitutes | ||||||||||||
| TMF316AB7475KLHT | Taiyo Yuden | 4.7 µF | ±10% | 25V | X7R | -55°C ~ 125°C | 1206 (3216) | 0.071" (1.80mm) | Not For New Designs | AEC-Q200 | 1 | ROHS3 |
| C1206C475K3RACAUTO | KEMET | 4.7 µF | ±10% | 25V | X7R | -55°C ~ 125°C | 1206 (3216) | 0.071" (1.80mm) | Active | AEC-Q200 | 1 | ROHS3 |
| CGA5L1X7R1E475K160AC | TDK Corporation | 4.7 µF | ±10% | 25V | X7R | -55°C ~ 125°C | 1206 (3216) | 0.071" (1.80mm) | Active | AEC-Q200 | 1 | ROHS3 |
| CL31B475KAHVPJE | Samsung Electro-Mechanics | 4.7 µF | ±10% | 25V | X7R | -55°C ~ 125°C | 1206 (3216) | 0.071" (1.80mm) | Active | AEC-Q200 | 1 | ROHS3 |
| CL31B475KAHVPNE | Samsung Electro-Mechanics | 4.7 µF | ±10% | 25V | X7R | -55°C ~ 125°C | 1206 (3216) | 0.071" (1.80mm) | Active | AEC-Q200 | 1 | ROHS3 |
| GCM31CR71E475KA55K | Murata Electronics | 4.7 µF | ±10% | 25V | X7R | -55°C ~ 125°C | 1206 (3216) | 0.071" (1.80mm) | Active | AEC-Q200 | 1 | ROHS3 |
| GCM31CR71E475KA55L | Murata Electronics | 4.7 µF | ±10% | 25V | X7R | -55°C ~ 125°C | 1206 (3216) | 0.071" (1.80mm) | Active | AEC-Q200 | 1 | ROHS3 |
| KGM31HR71E475KL | KYOCERA AVX | 4.7 µF | ±10% | 25V | X7R | -55°C ~ 125°C | 1206 (3216) | 0.075" (1.90mm) | Active | - | 1 | ROHS3 |
| Parametric Equivalents | ||||||||||||
| C1206C475K3RAC7800 | KEMET | 4.7 µF | ±10% | 25V | X7R | -55°C ~ 125°C | 1206 (3216) | 0.071" (1.80mm) | Active | - | 1 | ROHS3 |
| C3216X7R1E475K160AC | TDK Corporation | 4.7 µF | ±10% | 25V | X7R | -55°C ~ 125°C | 1206 (3216) | 0.071" (1.80mm) | Active | - | 1 | ROHS3 |
Engineering Selection Recommendations
For Active Production and New Designs:
The following parts are recommended for new design implementations due to active product status and AEC-Q200 automotive qualification:
- C1206C475K3RACAUTO (KEMET): Active status with AEC-Q200 rating, suitable for automotive and bypass/decoupling applications. 8,400 units in stock.
- CGA5L1X7R1E475K160AC (TDK Corporation): Active status with AEC-Q200 rating for automotive applications. 179,390 units in stock.
- CL31B475KAHVPJE (Samsung Electro-Mechanics): Active status with AEC-Q200 rating and soft termination feature for boardflex-sensitive applications. 194,412 units in stock.
- CL31B475KAHVPNE (Samsung Electro-Mechanics): Active status with AEC-Q200 rating for automotive applications. 3,400 units in stock.
- GCM31CR71E475KA55K (Murata Electronics): Active status with AEC-Q200 rating for automotive applications. 710,930 units in stock.
- GCM31CR71E475KA55L (Murata Electronics): Active status with AEC-Q200 rating for automotive applications. 67,400 units in stock.
For General Purpose and Non-Critical Applications:
- KGM31HR71E475KL (KYOCERA AVX): Active status for general purpose applications. 29,405 units in stock. Note: Maximum thickness is 0.075" (1.90mm), which exceeds the main part specification of 0.071" (1.80mm).
For Parametric Equivalence:
- C1206C475K3RAC7800 (KEMET): Active status for bypass and decoupling applications. 4,325 units in stock.
- C3216X7R1E475K160AC (TDK Corporation): Active status with low ESL feature for general purpose applications. 37,499 units in stock.
Not Recommended for New Designs:
- TMF316AB7475KLHT (Taiyo Yuden): Product status is "Not For New Designs" despite AEC-Q200 rating. Use only for legacy system maintenance or replacement applications.
Frequently Asked Questions (FAQ)
Q: What determines if a part can substitute for the MMAST31LAB7475KTNA01?
A: A part qualifies as a substitute when it matches all critical electrical parameters (4.7 µF capacitance, ±10% tolerance, 25V rating, X7R temperature coefficient, -55°C to 125°C operating range) and mechanical specifications (1206/3216 Metric package, 0.126" L x 0.063" W dimensions, surface mount MLCC mounting type, ROHS3 compliance, and MSL 1 rating).
Q: Can I use KGM31HR71E475KL as a direct replacement?
A: KGM31HR71E475KL meets all electrical and dimensional requirements with one exception: its maximum thickness is 0.075" (1.90mm) compared to the main part's 0.071" (1.80mm). This 0.004" (0.10mm) difference may affect board layout or clearance in space-constrained designs. Verify mechanical fit before implementation.
Q: What is the difference between Upgrade Substitutes and Parametric Equivalents?
A: Upgrade Substitutes are parts with enhanced features or certifications (such as AEC-Q200 automotive qualification) and active production status, making them suitable for new designs. Parametric Equivalents match all electrical and mechanical specifications but may lack automotive certifications or have different application focus, making them suitable for general purpose or legacy applications.
Q: Why is TMF316AB7475KLHT listed if it is not for new designs?
A: TMF316AB7475KLHT is included as a substitute option for legacy system maintenance, field replacements, or ongoing production of existing designs. It provides functional equivalence with AEC-Q200 rating but should not be selected for new product development.
Q: Are all substitute parts ROHS3 compliant?
A: Yes, all listed substitute parts are ROHS3 compliant, matching the main part's environmental compliance status.
Q: Do all substitute parts have the same moisture sensitivity level?
A: Yes, all substitute parts have MSL 1 (Unlimited) rating, identical to the main part, ensuring equivalent handling and storage requirements.
Q: Which substitute has the highest inventory availability?
A: GCM31CR71E475KA55K (Murata Electronics) has the highest inventory with 710,930 units in stock, followed by CGA5L1X7R1E475K160AC (TDK Corporation) with 179,390 units.
Q: Can I mix different substitute parts in the same production batch?
A: Yes, all listed substitutes are electrically and mechanically equivalent and can be used interchangeably within the same circuit design. However, verify that your procurement and quality control processes accommodate multiple manufacturer sources if required.
Q: What packaging formats are available for these substitutes?
A: Substitute parts are available in two packaging formats: Tape & Reel (TR) and Cut Tape (CT) with Digi-Reel®. Select based on your assembly process requirements and volume needs.
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