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STMicroelectronics 1-Element Uni-Directional TVS Diode, Surface Mount SMB Package, 600 W Peak Pulse Power SMB6F14AY
Specifications
| Country of Origin | Morocco |
|---|---|
| Brand | STMicroelectronics |
| Height | 1.05mm |
| Length | 3.95mm |
| Model | SMB6F14AY |
| Width | 4.6mm |
| Mount Type | Surface |
| Series | SMB6FxxAY |
| Maximum Operating Temperature | 175°C |
| Package Type | SMB |
| Minimum Operating Temperature | -55°C |
| Pin Count | 2 |
| Number of Elements per Chip | 1 |
| Clamping Voltage VC | 29V |
| Automotive Standard | AEC-Q101 |
| Diode Configuration | Single |
| Direction Type | Uni-Directional |
| Minimum Breakdown Voltage Vbr | 15.7V |
| Maximum Reverse Stand-off Voltage Vwm | 14V |
| Peak Pulse Power Dissipation Pppm | 600W |
| Test Current It | 1mA |
| Maximum Peak Pulse Current Ippm | 136A |
| 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 470 W (10/1000 μs) |
| Flat and thin package | 1 mm |
| Lead finishing | matte tin plating |
Key Features
- Designed for protection of sensitive automotive and industrial circuits against voltage surges and electrostatic discharge.
- Single element configuration with unidirectional operation for efficient transient voltage clamping.
- Minimum breakdown voltage of 15.7 V and maximum reverse stand-off voltage of 14 V ensure reliable surge protection.
- Low leakage current at 0.2 μA at 25 °C enhances long-term reliability and stability.
- Compact SMB package with dimensions of 3.95 mm length, 4.6 mm width, and 1.05 mm height.
- Capable of handling peak pulse currents up to 136 A with a clamping voltage of 29 V.
- Wide operating temperature range from -55 °C to 175 °C suitable for automotive and industrial environments.
- AEC-Q101 automotive qualified for high reliability in demanding applications.
Product Description
STMicroelectronics SMB6F14AY is a 1-element uni-directional transient voltage suppression (TVS) diode designed to protect sensitive electronic circuits from voltage transients caused by inductive load switching and electrostatic discharge (ESD). Its surface mount SMB (DO-214AA) package combines compact size with reliable performance, making it ideal for automotive, industrial, and electronic component protection.
The diode features planar technology for low leakage current, measured at 0.2 μA at 25 °C and rising to only 1 μA at 85 °C, which ensures high efficiency and long-term stability under harsh operating conditions. The SMB6F14AY model offers a minimum breakdown voltage of 15.7 V, a maximum reverse stand-off voltage of 14 V, and a peak pulse power dissipation rating of 600 W (10/1000 μs waveform), with a high power capability of up to 470 W at maximum junction temperature (175 °C).
With a maximum peak pulse current of 136 A and a clamping voltage of 29 V, this diode is well suited for surge protection in sensitive automotive circuits and industrial power supplies. It complies with the automotive standard AEC-Q101, verifying its robustness in high-reliability applications. The SMB package measures 3.95 mm in length, 4.6 mm in width, and 1.05 mm in height and features a matte tin-plated lead finish to facilitate strong soldering and corrosion resistance.
Protects against voltage spikes and ESD in automotive and industrial systems. Compact surface mount SMB package for space-saving PCB layouts. Low leakage current enables stable performance over a wide temperature range. High peak pulse current and power dissipation for effective transient energy absorption.
AEC-Q101 automotive qualification ensures compliance with industry standards. Matte tin plating for enhanced reliability and solderability.
This TVS Diode is widely applicable in automotive electronics, industrial equipment protection, power supply modules, and other circuits requiring transient voltage suppression for enhanced durability and operational safety.
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Frequently Asked Questions
The SMB6F14AY has a peak pulse power dissipation rating of 600 W for a 10/1000 μs waveform and up to 4 kW for an 8/20 μs waveform.
The maximum reverse stand-off voltage for this diode is 14 V.
The clamping voltage of this model is 29 V.
This diode operates within a temperature range of -55 °C to 175 °C.
The dimensions of this diode are 3.95 mm in length, 4.6 mm in width, and 1.05 mm in height.
The maximum peak pulse current for the SMB6F14AY is 136 A.
The SMB6F14AY comes in a surface mount SMB package.
The minimum breakdown voltage for this diode is 15.7 V.
This model complies with the AEC-Q101 automotive standard, ensuring high reliability in demanding applications.
The leakage current at 25 °C is 0.2 μA, which increases to 1 μA at 85 °C.
This diode has a single element configuration, meaning it is a 1-element diode.
The lead finish of the SMB6F14AY is matte tin plating, which enhances reliability and solderability.
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