Request Quote
(Ships tomorrow)
MMASS31LAB7333KTNA01 Equivalent & Substitute Parts
Part Overview
The MMASS31LAB7333KTNA01 is a 0.033 µF ceramic capacitor rated at 630V with X7R temperature coefficient in 1206 (3216 Metric) surface mount package. Manufactured by Taiyo Yuden, this component is classified as Active product status and is suitable for medical and non-critical applications. The part is RoHS3 compliant with MSL 1 (Unlimited) moisture sensitivity rating.
Equivalent and substitute parts are necessary to address supply chain availability, inventory management, and design flexibility across multiple manufacturers while maintaining identical electrical and mechanical specifications.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Capacitance | 0.033 µF |
| Tolerance | ±10% |
| Voltage - Rated | 630V |
| 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
Substitution of the MMASS31LAB7333KTNA01 is determined by strict equivalence across the following parameters:
Critical Electrical Parameters:
- Capacitance: 0.033 µF (exact match required)
- Tolerance: ±10% (exact match required)
- Voltage Rating: 630V (exact match required)
- Temperature Coefficient: X7R (exact match required)
- Operating Temperature: -55°C ~ 125°C (exact match required)
Critical Mechanical Parameters:
- Package / Case: 1206 (3216 Metric) (exact match required)
- Mounting Type: Surface Mount, MLCC (exact match required)
- Physical Dimensions: 0.126" L x 0.063" W x 0.071" Max Thickness (exact match required)
Compliance Parameters:
- RoHS3 Compliant (required)
- MSL 1 (Unlimited) (required)
All substitute parts listed maintain identical specifications across these parameters. Variations in product status, manufacturer certifications (AEC-Q200), and application focus do not affect electrical or mechanical interchangeability.
Parameter Comparison
| Manufacturer Part Number | Manufacturer | Capacitance | Tolerance | Voltage | Temp Coeff | Operating Temp | Package | Size (L x W) | Thickness Max | Product Status | RoHS3 | MSL |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| MMASS31LAB7333KTNA01 | Taiyo Yuden | 0.033 µF | ±10% | 630V | X7R | -55°C ~ 125°C | 1206 (3216) | 0.126" x 0.063" | 0.071" | Active | Yes | 1 |
| SMK316AB7333KLHT | Taiyo Yuden | 0.033 µF | ±10% | 630V | X7R | -55°C ~ 125°C | 1206 (3216) | 0.126" x 0.063" | 0.071" | Not For New Designs | Yes | 1 |
| CGA5L4X7R2J333K160AA | TDK Corporation | 0.033 µF | ±10% | 630V | X7R | -55°C ~ 125°C | 1206 (3216) | 0.126" x 0.063" | 0.071" | Active | Yes | 1 |
| GCJ31CR7LV333KW01K | Murata Electronics | 0.033 µF | ±10% | 630V | X7R | -55°C ~ 125°C | 1206 (3216) | 0.126" x 0.063" | 0.071" | Active | Yes | 1 |
| GCJ31CR7LV333KW01L | Murata Electronics | 0.033 µF | ±10% | 630V | X7R | -55°C ~ 125°C | 1206 (3216) | 0.126" x 0.063" | 0.071" | Active | Yes | 1 |
| 885342208015 | Würth Elektronik | 0.033 µF | ±10% | 630V | X7R | -55°C ~ 125°C | 1206 (3216) | 0.126" x 0.063" | 0.071" | Active | Yes | 1 |
| C3216X7R2J333K160AM | TDK Corporation | 0.033 µF | ±10% | 630V | X7R | -55°C ~ 125°C | 1206 (3216) | 0.126" x 0.063" | 0.071" | Not For New Designs | Yes | 1 |
| CL31B333KHHSW6E | Samsung Electro-Mechanics | 0.033 µF | ±10% | 630V | X7R | -55°C ~ 125°C | 1206 (3216) | 0.126" x 0.063" | 0.071" | Active | Yes | 1 |
Engineering Selection Recommendations
Active Product Status Parts (Recommended for New Designs):
The following parts carry Active product status and are suitable for new design implementations:
- CGA5L4X7R2J333K160AA (TDK Corporation)
- GCJ31CR7LV333KW01K (Murata Electronics)
- GCJ31CR7LV333KW01L (Murata Electronics)
- 885342208015 (Würth Elektronik)
- CL31B333KHHSW6E (Samsung Electro-Mechanics)
Not For New Designs Parts (Existing Design Support Only):
The following parts carry "Not For New Designs" status and are suitable only for sustaining existing designs or replacement scenarios:
- SMK316AB7333KLHT (Taiyo Yuden)
- C3216X7R2J333K160AM (TDK Corporation)
Compliance Considerations:
All listed substitute parts maintain RoHS3 compliance and MSL 1 (Unlimited) rating, ensuring compatibility with environmental and moisture sensitivity requirements. Parts with AEC-Q200 certification (SMK316AB7333KLHT, CGA5L4X7R2J333K160AA, GCJ31CR7LV333KW01K, GCJ31CR7LV333KW01L) provide automotive-grade reliability for applications requiring enhanced quality assurance.
Frequently Asked Questions (FAQ)
Q: Can I substitute MMASS31LAB7333KTNA01 with any of the listed parts?
A: Yes. All listed parts maintain identical electrical specifications (0.033 µF, ±10%, 630V, X7R, -55°C ~ 125°C) and mechanical specifications (1206 package, 0.126" x 0.063" x 0.071" max). Direct substitution is electrically and mechanically compatible.
Q: What is the difference between Active and "Not For New Designs" status parts?
A: Active status parts are approved for incorporation into new designs and offer long-term availability. "Not For New Designs" parts are suitable for replacement or sustaining existing designs but should not be selected for new product development due to potential future discontinuation.
Q: Are there packaging differences between substitute parts?
A: Most substitute parts are supplied in Tape & Reel (TR) packaging. CL31B333KHHSW6E is supplied in Cut Tape (CT) & Digi-Reel® packaging. Both packaging formats are compatible with standard surface mount assembly processes; verify your assembly equipment compatibility with the specific packaging format.
Q: Do all substitute parts have the same moisture sensitivity rating?
A: Yes. All parts listed carry MSL 1 (Unlimited) rating, indicating no moisture sensitivity restrictions and no special storage or handling requirements.
Q: Which substitute parts have automotive-grade certification?
A: The following parts carry AEC-Q200 certification: SMK316AB7333KLHT, CGA5L4X7R2J333K160AA, GCJ31CR7LV333KW01K, and GCJ31CR7LV333KW01L. These parts are suitable for automotive applications requiring enhanced reliability standards.
Q: Can I use these parts interchangeably in medical applications?
A: The original MMASS31LAB7333KTNA01 is specified for medical and non-critical applications. Substitute parts maintain identical electrical and mechanical specifications. Verify that your specific medical application requirements are satisfied by the substitute manufacturer's documentation and certifications.
Q: What is the significance of "Soft Termination" feature on some parts?
A: Soft Termination is a manufacturing feature that reduces mechanical stress on component terminations during assembly and thermal cycling. Parts with this feature (GCJ31CR7LV333KW01K, GCJ31CR7LV333KW01L, CL31B333KHHSW6E) are beneficial for applications with boardflex sensitivity or high thermal cycling stress.
Alternative Parts
SJ6012L2TP
Littelfuse Inc.
6 Alternative Parts
JMK107BBJ476MA-RE
Taiyo Yuden
10 Alternative Parts
GMK107BBJ475MA-T
Taiyo Yuden
5 Alternative Parts
SJ6020N2ARP
Littelfuse Inc.
3 Alternative Parts
SJ6025R2ATP
Littelfuse Inc.
4 Alternative Parts
2474-05L
API Delevan Inc.
1 Alternative Parts
4590R-684K
API Delevan Inc.
1 Alternative Parts
CM6560R-334
API Delevan Inc.
1 Alternative Parts
CM6460-104
API Delevan Inc.
1 Alternative Parts
5526-12
API Delevan Inc.
1 Alternative Parts






