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P6SMB13A-M3/52 Equivalent & Substitute Parts
Part Overview
The P6SMB13A-M3/52 is a unidirectional Transient Voltage Suppressor (TVS) diode manufactured by Vishay General Semiconductor - Diodes Division. This surface mount component operates in the DO-214AA (SMB) package and is designed for general purpose transient voltage suppression applications. The part is currently active in production with 1036 pieces in stock. Equivalent and substitute parts are identified based on matching electrical characteristics and package compatibility to support procurement flexibility and supply chain continuity.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Voltage - Reverse Standoff (Typ) | 11.1V |
| Voltage - Breakdown (Min) | 12.4V |
| Voltage - Clamping (Max) @ Ipp | 18.2V |
| Current - Peak Pulse (10/1000µs) | 33A |
| Power - Peak Pulse | 600W |
| Operating Temperature Range | -65°C ~ 150°C (TJ) |
| Package / Case | DO-214AA, SMB |
| Mounting Type | Surface Mount |
| Type | Zener |
| Unidirectional Channels | 1 |
Substitute Part Grouping Explanation
Substitute parts for the P6SMB13A-M3/52 are qualified based on the following criteria:
- Voltage - Reverse Standoff (Typ): 11.1V
- Voltage - Breakdown (Min): 12.4V
- Voltage - Clamping (Max) @ Ipp: 18.2V
- Package / Case: DO-214AA or SMB
- Mounting Type: Surface Mount
- Type: Zener
- Unidirectional Channels: 1
Parts meeting these electrical and mechanical parameters are considered functionally equivalent for general purpose TVS applications. Current - Peak Pulse ratings may vary within the substitute group while maintaining the same voltage protection characteristics.
Parameter Comparison
| Parameter | P6SMB13A-M3/52 (Vishay) | 1KSMB13A (Taiwan Semiconductor) | P6SMB13A (Eaton) |
|---|---|---|---|
| Voltage - Reverse Standoff (Typ) | 11.1V | 11.1V | 11.1V |
| Voltage - Breakdown (Min) | 12.4V | 12.4V | 12.4V |
| Voltage - Clamping (Max) @ Ipp | 18.2V | 18.2V | 18.2V |
| Current - Peak Pulse (10/1000µs) | 33A | 54.9A | 33.5A |
| Power - Peak Pulse | 600W | 1000W | 600W |
| Operating Temperature Range | -65°C ~ 150°C | -55°C ~ 175°C | -55°C ~ 150°C |
| Package / Case | DO-214AA, SMB | DO-214AA, SMB | DO-214AA, SMB |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount |
| Type | Zener | Zener | Zener |
| Unidirectional Channels | 1 | 1 | 1 |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant | RoHS Compliant |
Engineering Selection Recommendations
All three parts maintain identical voltage protection characteristics (11.1V standoff, 12.4V breakdown minimum, 18.2V clamping maximum) and are packaged in the DO-214AA SMB form factor for direct mechanical substitution.
The 1KSMB13A from Taiwan Semiconductor Corporation provides higher peak pulse current (54.9A) and power dissipation (1000W) compared to the original specification (33A, 600W), with an extended upper operating temperature limit of 175°C. This part is suitable for applications requiring enhanced transient suppression capability.
The P6SMB13A from Eaton - Electronics Division matches the original peak pulse current (33.5A) and power dissipation (600W) specifications with comparable operating temperature range (-55°C ~ 150°C). This part is designated for telecom applications.
All substitute parts carry active product status and appropriate compliance certifications (ROHS3 or RoHS, REACH Unaffected, ECCN EAR99).
Frequently Asked Questions (FAQ)
Q: Can the 1KSMB13A replace the P6SMB13A-M3/52 in my circuit?
A: Yes. Both parts share identical voltage protection parameters (11.1V standoff, 12.4V breakdown, 18.2V clamping) and the same DO-214AA SMB package. The 1KSMB13A provides higher current and power ratings, making it suitable for the same application with enhanced margin.
Q: What is the difference between the Vishay P6SMB13A-M3/52 and the Eaton P6SMB13A?
A: Both parts have identical electrical specifications for voltage protection and current ratings (33A peak pulse, 600W power). The primary differences are manufacturer, operating temperature range (-65°C to 150°C for Vishay versus -55°C to 150°C for Eaton), and application focus (general purpose versus telecom).
Q: Are all substitute parts in the same package?
A: Yes. All three parts use the DO-214AA SMB surface mount package, enabling direct mechanical substitution on PCBs designed for the original component.
Q: Which substitute part should I choose for maximum reliability?
A: Selection depends on application requirements. The 1KSMB13A offers the highest current and power ratings with extended temperature range. The Eaton P6SMB13A provides equivalent performance to the original with telecom application heritage. All parts meet RoHS and REACH compliance requirements.
Q: Can I use these parts interchangeably in production?
A: Yes, provided your circuit design accommodates the electrical specifications of the selected substitute. All parts maintain the same voltage protection window and surface mount package footprint.
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