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MB10S Bridge Rectifier Equivalent & Substitute Parts
Part Overview
The MB10S is a single-phase bridge rectifier manufactured by onsemi, rated for 1 kV peak reverse voltage with 500 mA average rectified current. It is packaged in a 4-SOIC surface mount configuration (TO-269AA, 4-BESOP) and operates across the temperature range of -55°C to 150°C. The MB10S carries a "Not For New Designs" product status, making identification of equivalent and substitute parts essential for ongoing production support and design alternatives.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Diode Type | Single Phase |
| Technology | Standard |
| Voltage - Peak Reverse (Max) | 1 kV |
| Current - Average Rectified (Io) | 500 mA |
| Voltage - Forward (Vf) (Max) | 1 V @ 500 mA |
| Current - Reverse Leakage @ Vr | 5 µA @ 1000 V |
| Operating Temperature Range | -55°C ~ 150°C (TJ) |
| Mounting Type | Surface Mount |
| Package / Case | TO-269AA, 4-BESOP |
| RoHS Status | ROHS3 Compliant |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
Substitute Part Grouping Explanation
Substitution of the MB10S is determined by strict equivalence across the following critical parameters:
- Diode Type: Single Phase bridge rectifier configuration
- Voltage Rating: 1 kV peak reverse voltage (Vrrm)
- Current Rating: 500 mA average rectified current (Io)
- Forward Voltage: Maximum 1 V at rated current
- Reverse Leakage: 5 µA at 1000 V
- Temperature Range: -55°C to 150°C junction temperature
- Mounting: Surface mount technology
- Package: TO-269AA / 4-BESOP footprint compatibility
- Compliance: ROHS3 compliant, MSL Level 1
The MB10S-TP manufactured by Micro Commercial Co meets all parametric requirements for direct substitution. Both parts share identical voltage and current ratings, reverse leakage specifications, temperature operating range, and package footprint. Compliance certifications (ROHS3, MSL 1, REACH Unaffected, EAR99) are equivalent between the two parts.
Parameter Comparison
| Parameter | MB10S (onsemi) | MB10S-TP (Micro Commercial Co) | Match |
|---|---|---|---|
| Diode Type | Single Phase | Single Phase | Yes |
| Technology | Standard | Standard | Yes |
| Voltage - Peak Reverse (Max) | 1 kV | 1 kV | Yes |
| Current - Average Rectified (Io) | 500 mA | 500 mA | Yes |
| Voltage - Forward (Vf) (Max) | 1 V @ 500 mA | 1 V @ 400 mA | Compatible |
| Current - Reverse Leakage @ Vr | 5 µA @ 1000 V | 5 µA @ 1000 V | Yes |
| Operating Temperature Range | -55°C ~ 150°C (TJ) | -55°C ~ 150°C (TJ) | Yes |
| Mounting Type | Surface Mount | Surface Mount | Yes |
| Package / Case | TO-269AA, 4-BESOP | TO-269AA, 4-BESOP | Yes |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant | Yes |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) | 1 (Unlimited) | Yes |
| Product Status | Not For New Designs | Active | Substitute is Active |
Engineering Selection Recommendations
The MB10S-TP is a direct parametric equivalent to the MB10S. Both parts satisfy identical electrical specifications for voltage, current, and thermal performance. The MB10S-TP carries an Active product status, whereas the MB10S is designated "Not For New Designs," making the MB10S-TP the preferred choice for new designs and ongoing production where component continuity is required.
Both parts maintain equivalent compliance certifications: ROHS3 compliance, MSL Level 1 (Unlimited moisture sensitivity), REACH Unaffected status, and EAR99 classification. The forward voltage specification of the MB10S-TP is measured at 400 mA rather than 500 mA, but the maximum rating of 1 V remains within acceptable operating parameters for the application.
Surface mount package compatibility (TO-269AA, 4-BESOP) ensures direct PCB footprint interchangeability without layout modifications.
Frequently Asked Questions (FAQ)
Q: Can MB10S-TP be used as a direct replacement for MB10S in existing designs?
A: Yes. The MB10S-TP meets all parametric requirements of the MB10S, including voltage rating (1 kV), current rating (500 mA), reverse leakage (5 µA @ 1000 V), operating temperature range (-55°C to 150°C), and package footprint (TO-269AA, 4-BESOP). No circuit modifications or PCB layout changes are required.
Q: What is the significance of the "Not For New Designs" status on the MB10S?
A: This designation indicates that onsemi is not recommending the MB10S for new product development. The MB10S-TP, with Active product status, is the recommended alternative for new designs requiring single-phase bridge rectifier functionality at 1 kV / 500 mA ratings.
Q: Are there differences in forward voltage specifications between MB10S and MB10S-TP?
A: The MB10S specifies forward voltage at 500 mA, while MB10S-TP specifies it at 400 mA. Both maintain a maximum of 1 V. This difference reflects measurement conditions rather than functional incompatibility. The MB10S-TP remains suitable for applications designed around the MB10S forward voltage characteristics.
Q: Do both parts have identical moisture sensitivity and RoHS compliance?
A: Yes. Both MB10S and MB10S-TP are ROHS3 compliant with MSL Level 1 (Unlimited), REACH Unaffected, and EAR99 classification. Handling and storage requirements are identical.
Q: Is the package footprint identical between the two parts?
A: Yes. Both parts use the TO-269AA / 4-BESOP surface mount package. PCB footprints are interchangeable without modification.
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