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P6SMB160A-M3/5B Equivalent & Substitute Parts
Part Overview
The P6SMB160A-M3/5B is a unidirectional Transient Voltage Suppressor (TVS) diode from Vishay General Semiconductor - Diodes Division, designed for general-purpose transient voltage protection in surface-mount applications. This active product operates with a reverse standoff voltage of 136V and provides clamping at 219V maximum, with a peak pulse current rating of 2.7A and 600W peak pulse power dissipation. The component is packaged in DO-214AA (SMB) format with Tape & Box (TB) delivery. Equivalent and substitute parts are identified based on matching electrical characteristics and mechanical compatibility within the TVS diode category.
Substiute Parts
Key Parameters
| Parameter | Value | Unit |
|---|---|---|
| Voltage - Reverse Standoff (Typ) | 136 | V |
| Voltage - Breakdown (Min) | 152 | V |
| Voltage - Clamping (Max) @ Ipp | 219 | V |
| Current - Peak Pulse (10/1000µs) | 2.7 | A |
| Power - Peak Pulse | 600 | W |
| Operating Temperature Range | -65°C to 150°C | TJ |
| Package / Case | DO-214AA, SMB | — |
| Mounting Type | Surface Mount | — |
| RoHS Status | ROHS3 Compliant | — |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) | — |
Substitute Part Grouping Explanation
Substitute parts for the P6SMB160A-M3/5B are qualified based on the following electrical and mechanical parameters:
Critical Matching Parameters:
- Voltage - Reverse Standoff (Typ): 136V
- Voltage - Breakdown (Min): 152V
- Voltage - Clamping (Max) @ Ipp: 219V
- Package / Case: DO-214AA, SMB
- Mounting Type: Surface Mount
- Type: Zener (Unidirectional)
- Unidirectional Channels: 1
Allowable Variation Parameters:
- Current - Peak Pulse (10/1000µs): 2.7A nominal; substitutes with 2.8A or 4.6A are acceptable as they provide equal or greater current handling capability
- Power - Peak Pulse: 600W nominal; substitutes with 1000W provide enhanced capability
- Operating Temperature Range: -65°C to 150°C nominal; substitutes with -55°C to 150°C are acceptable within industrial operating ranges
- Packaging Format (Tape & Box, Cut Tape, Tape & Reel): All formats are mechanically compatible for the same component footprint
Substitutes are grouped by manufacturer and packaging configuration while maintaining electrical equivalence across the 136V/219V clamping specification.
Parameter Comparison
| Part Number | Manufacturer | Voltage - Reverse Standoff (V) | Voltage - Clamping (Max) @ Ipp (V) | Current - Peak Pulse (A) | Power - Peak Pulse (W) | Operating Temperature (°C) | Package | Packaging Format |
|---|---|---|---|---|---|---|---|---|
| P6SMB160A-M3/5B | Vishay General Semiconductor - Diodes Division | 136 | 219 | 2.7 | 600 | -65 to 150 | DO-214AA, SMB | Tape & Box |
| P6SMB160A-E3/52 | Vishay General Semiconductor - Diodes Division | 136 | 219 | 2.7 | 600 | -65 to 150 | DO-214AA, SMB | Tape & Reel |
| P6SMB160A-M3/52 | Vishay General Semiconductor - Diodes Division | 136 | 219 | 2.7 | 600 | -65 to 150 | DO-214AA, SMB | Cut Tape |
| 1KSMB160A | Littelfuse Inc. | 136 | 219 | 4.6 | 1000 | -55 to 150 | DO-214AA, SMB | Tape & Reel |
| P6SMB160A | Eaton - Electronics Division | 136 | 219 | 2.8 | 600 | -55 to 150 | DO-214AA, SMB | Tape & Reel |
| SZP6SMB160AT3G | Littelfuse Inc. | 136 | 219 | 2.7 | 600 | -65 to 150 | DO-214AA, SMB | Tape & Reel |
Engineering Selection Recommendations
Vishay Direct Substitutes (P6SMB160A-E3/52, P6SMB160A-M3/52): These parts maintain identical electrical specifications and differ only in packaging format. Selection between Tape & Box, Cut Tape, and Tape & Reel depends on procurement and assembly requirements. All three Vishay variants are ROHS3 Compliant with MSL 1 rating.
Littelfuse 1KSMB160A: This substitute provides enhanced current handling (4.6A vs. 2.7A) and power dissipation (1000W vs. 600W) while maintaining the same voltage specifications. Operating temperature range is -55°C to 150°C. This part is suitable for applications requiring higher transient current capacity. REACH Status is Affected; verify compliance requirements for your application.
Eaton P6SMB160A: This substitute maintains equivalent voltage and power specifications (2.8A, 600W) with operating temperature range of -55°C to 150°C. RoHS Compliant status applies. Suitable for general-purpose telecom applications.
Littelfuse SZP6SMB160AT3G: This substitute matches the original part's electrical specifications and operating temperature range (-65°C to 150°C). This part carries AEC-Q101 automotive qualification and is suitable for automotive-grade applications. Capacitance specification of 140pF @ 1MHz is provided.
Frequently Asked Questions (FAQ)
Q: Can I substitute P6SMB160A-M3/5B with P6SMB160A-E3/52 or P6SMB160A-M3/52? A: Yes. These Vishay parts are electrically identical with matching voltage, current, and power specifications. The differences are packaging format only (Tape & Box vs. Tape & Reel vs. Cut Tape). Selection depends on your procurement and assembly process requirements.
Q: What is the difference between the Littelfuse 1KSMB160A and the original part? A: The 1KSMB160A provides higher peak pulse current (4.6A vs. 2.7A) and peak pulse power (1000W vs. 600W) while maintaining identical voltage specifications (136V standoff, 219V clamping). The operating temperature minimum is -55°C instead of -65°C. This substitute is suitable for applications requiring greater transient current handling capacity.
Q: Can I use the Eaton P6SMB160A as a direct replacement? A: Yes, for applications with operating temperature range of -55°C to 150°C. The Eaton part provides equivalent voltage and power specifications (2.8A, 600W) and is suitable for general-purpose and telecom applications.
Q: Is the Littelfuse SZP6SMB160AT3G suitable for automotive applications? A: Yes. This part carries AEC-Q101 automotive qualification and matches the original electrical specifications and operating temperature range (-65°C to 150°C). It is suitable for automotive-grade transient voltage suppression.
Q: Do all substitute parts use the same DO-214AA (SMB) package? A: Yes. All listed substitutes use the DO-214AA (SMB) surface-mount package and are mechanically compatible with the original part's PCB footprint.
Q: What compliance certifications apply to these substitutes? A: All substitutes are ROHS3 Compliant or RoHS Compliant with MSL 1 (Unlimited) moisture sensitivity rating. The Littelfuse 1KSMB160A has REACH Status Affected; verify compliance for your specific application. The SZP6SMB160AT3G includes AEC-Q101 automotive qualification.
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