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P4SMA200A Equivalent & Substitute Parts
Part Overview
The P4SMA200A is a unidirectional transient voltage suppressor (TVS) diode manufactured by Littelfuse Inc., designed for general-purpose overvoltage protection in surface-mount applications. The device features a 171V reverse standoff voltage with 274V maximum clamping voltage and 1.5A peak pulse current capability in a DO-214AC (SMA) package. This part is active in production and ROHS3 compliant. Equivalent and substitute parts are identified to support procurement flexibility, inventory management, and supply chain continuity.
Substiute Parts
Key Parameters
| Parameter | Value | Unit |
|---|---|---|
| Voltage - Reverse Standoff (Typ) | 171 | V |
| Voltage - Breakdown (Min) | 190 | V |
| Voltage - Clamping (Max) @ Ipp | 274 | V |
| Current - Peak Pulse (10/1000µs) | 1.5 | A |
| Power - Peak Pulse | 400 | W |
| Operating Temperature Range | -65 to 150 | °C (TJ) |
| Package / Case | DO-214AC, SMA | — |
| Type | Zener | — |
| Unidirectional Channels | 1 | — |
| RoHS Status | ROHS3 Compliant | — |
Substitute Part Grouping Explanation
Substitute parts for the P4SMA200A are qualified based on the following electrical and mechanical parameters:
- Voltage - Reverse Standoff (Typ): 171V
- Voltage - Breakdown (Min): 190V
- Voltage - Clamping (Max) @ Ipp: 274V
- Package / Case: DO-214AC, SMA
- Type: Zener, Unidirectional
- Unidirectional Channels: 1
- RoHS Status: ROHS3 Compliant
- Mounting Type: Surface Mount
Substitute parts must maintain identical voltage ratings, clamping characteristics, and package specifications. Peak pulse current and power dissipation may vary within acceptable design margins for the application. Operating temperature range and manufacturer certifications are secondary selection criteria.
Parameter Comparison
| Parameter | P4SMA200A (Littelfuse) | P4SMA200A (Good-Ark) | P4SMA200A-E3/61 (Vishay) |
|---|---|---|---|
| Manufacturer | Littelfuse Inc. | Good-Ark Semiconductor | Vishay General Semiconductor |
| Voltage - Reverse Standoff (Typ) | 171V | 171V | 171V |
| Voltage - Breakdown (Min) | 190V | 190V | 190V |
| Voltage - Clamping (Max) @ Ipp | 274V | 274V | 274V |
| Current - Peak Pulse (10/1000µs) | 1.5A | 1.1A | 1.1A |
| Power - Peak Pulse | 400W | 400W | 300W |
| Operating Temperature Range | -65 to 150°C | -55 to 150°C | -65 to 150°C |
| Package / Case | DO-214AC, SMA | DO-214AC, SMA | DO-214AC, SMA |
| Type | Zener | Zener | Zener |
| Unidirectional Channels | 1 | 1 | 1 |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant |
| Product Status | Active | Active | Active |
Engineering Selection Recommendations
All three parts maintain identical voltage specifications (171V standoff, 190V breakdown, 274V clamping) and package configuration (DO-214AC, SMA), qualifying them as direct electrical substitutes for the P4SMA200A application.
The Littelfuse P4SMA200A offers the highest peak pulse current rating (1.5A) and maximum power dissipation (400W) with an operating temperature range of -65 to 150°C.
The Good-Ark Semiconductor P4SMA200A provides equivalent voltage performance with reduced peak pulse current (1.1A) and identical power rating (400W), with a narrower operating temperature range (-55 to 150°C).
The Vishay P4SMA200A-E3/61 maintains full voltage compliance and the extended temperature range (-65 to 150°C) but features reduced peak pulse current (1.1A) and lower peak pulse power (300W).
All parts are ROHS3 compliant, REACH unaffected, and carry active product status. Selection should be based on application peak pulse current requirements, thermal dissipation constraints, and temperature operating environment.
Frequently Asked Questions (FAQ)
Q: Can the Good-Ark P4SMA200A substitute for the Littelfuse P4SMA200A in all applications?
A: The Good-Ark part maintains identical voltage ratings and package specifications. However, it features reduced peak pulse current (1.1A vs. 1.5A) and a narrower operating temperature range (-55 to 150°C vs. -65 to 150°C). Substitution is valid only if the application peak pulse current does not exceed 1.1A and the minimum operating temperature remains above -55°C.
Q: What are the key differences between the Vishay P4SMA200A-E3/61 and the Littelfuse original?
A: Both parts share identical voltage specifications and the full operating temperature range (-65 to 150°C). The Vishay part has reduced peak pulse current (1.1A) and lower peak pulse power (300W vs. 400W). Substitution is appropriate for applications with peak pulse current below 1.1A and thermal dissipation below 300W.
Q: Are all substitute parts in the same DO-214AC package?
A: Yes. All three parts use the DO-214AC (SMA) surface-mount package, ensuring mechanical and footprint compatibility on PCB assemblies.
Q: Do all parts meet the same compliance standards?
A: Yes. All parts are ROHS3 compliant, REACH unaffected, and carry active product status. Moisture sensitivity level is 1 (Unlimited) for all variants.
Q: What should determine my choice between these three parts?
A: Selection should be based on three factors: (1) application peak pulse current requirement, (2) thermal dissipation budget, and (3) minimum operating temperature. The Littelfuse part offers the highest performance envelope. The Good-Ark and Vishay parts are suitable for applications with lower current and power requirements.
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