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STMicroelectronics 1-Element Bi-Directional TVS Diode 600 W Peak Pulse Power 2-Pin DO-214 SM6T18CAY
Specifications
| Country of Origin | India |
|---|---|
| Brand | STMicroelectronics |
| Package | DO-214AA (SMB) |
| Height | 2.45mm |
| Length | 4.6mm |
| Model | SM6T18CAY |
| Width | 3.95mm |
| Mount Type | Surface |
| Series | SM6TY |
| Maximum Operating Temperature | 150°C |
| Package Type | DO-214 |
| Minimum Operating Temperature | -55°C |
| Pin Count | 2 |
| Number of Elements per Chip | 1 |
| Clamping Voltage VC | 32.5V |
| Automotive Standard | AEC-Q101 |
| Diode Configuration | Single |
| Direction Type | Bi-Directional |
| Minimum Breakdown Voltage Vbr | 17.1V |
| Maximum Reverse Stand-off Voltage Vwm | 15.3V |
| Peak Pulse Power Dissipation Pppm | 600W |
| Test Current It | 1mA |
| Maximum Peak Pulse Current Ippm | 123A |
| Maximum Reverse Leakage Current | 1μA |
Key Features
- Provides bi-directional transient voltage suppression for sensitive circuits.
- Has a peak pulse power dissipation of 600 watts to handle high energy surges.
- Features a minimum breakdown voltage of 17.1 volts ensuring protection above typical operating voltages.
- Designed with a surface mount DO-214 package for efficient PCB assembly.
- Clamping voltage is 32.5 volts to limit voltage spikes effectively.
- Operates reliably over a temperature range from -55°C to 150°C.
- Complies with automotive standard AEC-Q101, ensuring robust automotive circuit protection.
- Has a maximum peak pulse current rating of 123 amperes for surge handling.
Product Description
STMicroelectronics SM6T18CAY is a single-element, bi-directional Transient Voltage Suppressor (TVS) diode designed to provide high-level circuit protection against transient voltage surges and electrostatic discharges. It offers a peak pulse power of 600 watts, making it suitable for demanding automotive and industrial environments where sensitive components require safeguarding from voltage spikes.
This device comes in a compact surface-mount DO-214 package, facilitating ease of installation on modern PCBs. The SM6T18CAY supports a minimum breakdown voltage of 17.1 V and a maximum reverse stand-off voltage of 15.3 V, providing effective suppression by clamping surges at 32.5 V.
The TVS diode supports operation across a wide temperature range from -55°C to +150°C, ensuring stability in harsh operating conditions. It carries the AEC-Q101 automotive qualification standard, making it ideal for automotive circuit protection including systems conforming to ISO 7637-2 and ISO 10605 transient and electrostatic discharge requirements.
With a peak pulse current capability of 123 A and extremely low leakage current (maximum 1 μA), it achieves high performance with minimal power loss. Its small footprint and efficient design support integration in space-constrained electronic assemblies.
Bi-directional transient voltage protection. 600 W peak pulse power dissipation. Surface-mount DO-214 package for PCB mounting. Qualified to automotive AEC-Q101 standards. Wide operating temperature range (-55°C to 150°C).
Low leakage current to minimize power consumption. Compact dimensions enable space-saving designs. High peak pulse current rating of 123 A for surge absorption.
This TVS diode is essential for industrial and automotive electronics where transient voltage suppression is critical to system longevity and reliability. It ensures protection of delicate semiconductor circuits against voltage spikes generated during switching events, inductive load switching, or electrostatic discharges.
For reliable and effective transient voltage suppression in demanding applications, the SM6T18CAY offers robust performance combined with compact packaging and automotive qualification.
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Frequently Asked Questions
The SM6T18CAY has a peak pulse power dissipation of 600 watts, making it suitable for high energy surge applications.
This diode features a minimum breakdown voltage of 17.1 volts, ensuring effective transient voltage suppression above typical operating voltages.
The clamping voltage for this model is 32.5 volts, which helps limit voltage spikes effectively during surges.
The maximum peak pulse current rating for this diode is 123 amperes, allowing it to handle significant surge events.
It operates reliably over a temperature range from -55°C to 150°C, ensuring stability in harsh environments.
This model is designed in a surface mount DO-214 package, which facilitates efficient PCB assembly.
Yes, the SM6T18CAY complies with the AEC-Q101 automotive standard, making it suitable for automotive circuit protection.
The maximum reverse stand-off voltage for this diode is 15.3 volts, which is crucial for its protective function.
The dimensions of the DO-214 package are 2.45 mm in height and 3.95 mm in width.
The maximum reverse leakage current is 1 μA, which minimizes power loss during operation.
This model features a single element per chip, designed for bi-directional transient voltage suppression.
The SM6T18CAY is part of the SM6TY series of transient voltage suppressors.
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