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STMicroelectronics 1-Element Uni-Directional TVS Diode, 600 W, 2-Pin SMA Flat SMA6F31AY
Specifications
| Country of Origin | Morocco |
|---|---|
| Brand | STMicroelectronics |
| Height | 1.05mm |
| Length | 4.6mm |
| Model | SMA6F31AY |
| Width | 2.9mm |
| Mount Type | Surface |
| Series | SMA6FxxAY |
| Maximum Operating Temperature | 175°C |
| Package Type | SMA Flat |
| Minimum Operating Temperature | -55°C |
| Pin Count | 2 |
| Number of Elements per Chip | 1 |
| Clamping Voltage VC | 65V |
| Automotive Standard | AEC-Q101 |
| Diode Configuration | Single |
| Direction Type | Uni-Directional |
| Minimum Breakdown Voltage Vbr | 34.2V |
| Maximum Reverse Stand-off Voltage Vwm | 31V |
| Peak Pulse Power Dissipation Pppm | 600W |
| Test Current It | 1mA |
| Maximum Peak Pulse Current Ippm | 61A |
| Maximum Reverse Leakage Current | 1μA |
| Low leakage current | 0.2 μA at 25 °C and 1 μA at 85 °C |
| Peak pulse power | 600 W (10/1000 μs) and 4 kW (8/20 μs) |
| High power capability at Tj max. | up to 400 W (10/1000 μs) |
| Flat and thin package | 1 mm |
| Lead finishing | matte tin plating |
Key Features
- Designed for protection of automotive and sensitive electronic circuits against surges and electrostatic discharges.
- Uni-directional diode configuration with single element per chip ensuring reliable surge suppression.
- Features low leakage current with 0.2 μA at 25 °C and 1 μA at 85 °C for energy efficiency.
- Operates over a wide temperature range from -55 °C to 175 °C for robust performance.
- Provides peak pulse power dissipation of 600 W (10/1000 μs) and 4 kW (8/20 μs) with clamping voltage of 65 V.
- Compact dimensions of 4.6 mm length, 2.9 mm width, and 1.05 mm height suitable for dense PCB layouts.
- Certified to automotive standard AEC-Q101, ensuring suitability for automotive system requirements.
- Matte tin plating lead finish enhances solderability and corrosion resistance.
Product Description
STMicroelectronics SMA6F31AY is a 1-element uni-directional Transient Voltage Suppressor (TVS) diode designed for high-reliability protection of sensitive automotive and industrial circuits. It offers peak pulse power dissipation of 600 W for a 10/1000 μs waveform and up to 4 kW for 8/20 μs pulses, effectively clamping voltage surges to safeguard components and enhance system longevity.
This device features a single diode element in a compact 2-pin SMA Flat surface mount package, enabling efficient PCB space utilization while maintaining excellent electrical performance. The device operates from -55 °C to 175 °C junction temperature, suitable for demanding environments with rigorous thermal requirements.
The SMA6F31AY offers a minimum breakdown voltage of 34.2 V and maximum reverse stand-off voltage of 31 V, delivering accurate surge suppression suited for 12 V automotive systems and similar applications. It maintains a low leakage current of 0.2 μA at 25 °C, minimizing power dissipation during normal operation, and includes Electrostatic Discharge (ESD) protection for extra reliability.
Meeting automotive standard AEC-Q101, this TVS diode is ideal for automotive electronics, industrial controls, communications devices, and other applications requiring high surge protection standards. The lead finish is matte tin plating, promoting excellent solderability and long-term corrosion resistance.
With precise clamping voltage of 65 V and peak pulse current of 61 A, the SMA6F31AY reliably prevents circuit damage during transient voltage events. The device's planar technology ensures durability and consistent performance over extended operating cycles.
Package dimensions measure 4.6 mm length by 2.9 mm width by 1.05 mm height, facilitating integration into high-density electronic assemblies. Country of origin is Morocco. Set includes one SMA6F31AY uni-directional TVS Diode in 2-pin SMA flat package ready for surface mount applications.
Designed for surge and ESD protection of automotive and industrial circuits. Single element planar diode in compact 2-pin SMA flat footprint. 600 W peak pulse power capability with 65 V clamping voltage. Low leakage current and wide operating temperature range.
Automotive qualified with AEC-Q101 certification. Matte tin plating finish for reliable soldering. Explore the range of STMicroelectronics semiconductor protection devices at EnvMart for superior circuit safeguarding solutions.
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Frequently Asked Questions
The SMA6F31AY has a peak pulse power dissipation of 600 W for a 10/1000 μs waveform and up to 4 kW for an 8/20 μs pulse.
The clamping voltage of the SMA6F31AY is 65 V, providing effective surge suppression.
This model operates over a temperature range from -55 °C to 175 °C, making it suitable for demanding environments.
The maximum reverse stand-off voltage of the SMA6F31AY is 31 V, allowing it to effectively protect circuits designed for 12 V systems.
The dimensions of the SMA6F31AY are 4.6 mm in length, 2.9 mm in width, and 1.05 mm in height.
The SMA6F31AY has a low leakage current of 0.2 μA at 25 °C, which minimizes power dissipation during normal operation.
This TVS diode is certified to the automotive standard AEC-Q101, ensuring its suitability for automotive applications.
The SMA6F31AY features a single element per chip, designed for reliable surge suppression.
It utilizes a uni-directional diode configuration, which is effective for protecting against voltage surges.
The maximum peak pulse current for the SMA6F31AY is 61 A, allowing it to handle significant transient events.
The lead finish of this model is matte tin plating, which enhances solderability and corrosion resistance.
The SMA6F31AY is packaged in a compact 2-pin SMA Flat surface mount configuration, suitable for dense PCB layouts.
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