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STMicroelectronics 1-Element Uni-Directional TVS Diode 1500 W, 2-Pin SMC SM15T18A
Specifications
| Country of Origin | India |
|---|---|
| Brand | STMicroelectronics |
| Height | 2.45mm |
| Length | 7.15mm |
| Model | SM15T18A |
| Width | 6.25mm |
| Mount Type | Surface |
| Series | SM15T TVS |
| Maximum Operating Temperature | 150°C |
| Package Type | SMC |
| Minimum Operating Temperature | -55°C |
| Standards/Approvals | UL Recognised |
| Pin Count | 2 |
| Number of Elements per Chip | 1 |
| Clamping Voltage VC | 32.5V |
| Diode Configuration | Single |
| Direction Type | Uni-Directional |
| Minimum Breakdown Voltage Vbr | 17.1V |
| Maximum Reverse Stand-off Voltage Vwm | 15.3V |
| Peak Pulse Power Dissipation Pppm | 1500W |
| Test Current It | 1mA |
| Maximum Peak Pulse Current Ippm | 308A |
| Maximum Reverse Leakage Current | 1μA |
Key Features
- This diode has a uni-directional diode configuration for transient voltage suppression.
- Minimum breakdown voltage is 17.1 V with a maximum reverse stand-off voltage of 15.3 V.
- It features a peak pulse current rating of 308 A and a clamping voltage of 32.5 V.
- Suitable for surface mount applications with a compact SMC package size of 7.15 mm length, 6.25 mm width, and 2.45 mm height.
- Operates reliably in temperatures ranging from -55°C to 150°C.
- Maximum reverse leakage current is specified at 1 μA, meeting UL Recognised standards.
Product Description
STMicroelectronics SM15T18A is a high-performance 1-element uni-directional transient voltage suppressor (TVS) diode designed for protecting sensitive electronic components from voltage spikes. It offers robust transient voltage suppression with a peak pulse power dissipation rating of 1500 W and is housed in a compact surface-mount SMC package with two pins.
This diode has a minimum breakdown voltage of 17.1 V and can withstand a maximum reverse stand-off voltage of 15.3 V. It ensures effective clamping at a voltage of 32.5 V and tolerates peak pulse currents up to 308 A. The device features low leakage current (max 1 μA) to minimize power dissipation during normal operation.
Measuring 7.15 mm in length, 6.25 mm in width, and 2.45 mm in height, the SM15T18A is suitable for compact PCB layouts requiring surface mount components. It is engineered to operate reliably in harsh environments with an operating temperature range from -55°C to 150°C. The device complies with UL Recognised safety standards, ensuring quality and performance.
This TVS Diode is ideal for industrial, commercial, automotive (non-automotive standard), laboratory, and manufacturing applications where transient voltage protection is critical. It protects electronic circuits from unexpected voltage surges and spikes caused by lightning, inductive load switching, or electrostatic discharge events.
Uni-directional diode configuration for efficient transient voltage suppression. Peak pulse power dissipation of 1500 W protects against high energy surges. Compact 2-pin SMC surface mount package enables easy PCB integration.
Wide operating temperature range from -55°C to 150°C ensures robust performance. Low leakage current of 1 μA reduces power loss during standby. UL Recognised standard compliance for assured safety and reliability.
This product is an essential component for protecting delicate electronic devices and systems across a broad range of applications. Browse more semiconductor and diode products on EnvMart for technical solutions and trusted industrial components.
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Frequently Asked Questions
The peak pulse power dissipation rating of the SM15T18A is 1500 W, providing robust protection against high energy surges.
The minimum breakdown voltage for this model is 17.1 V, allowing it to effectively suppress voltage spikes above this threshold.
The maximum reverse stand-off voltage of this diode is 15.3 V, ensuring it can withstand voltage levels up to this limit without conducting.
The clamping voltage of the SM15T18A is 32.5 V, which is the voltage level at which the diode will start to conduct and clamp the voltage spike.
This model can handle a maximum peak pulse current of 308 A, providing effective protection against transient events.
The dimensions of this diode are 7.15 mm in length, 6.25 mm in width, and 2.45 mm in height, making it suitable for compact PCB layouts.
This diode operates reliably within a temperature range of -55°C to 150°C, allowing it to function in harsh environments.
The SM15T18A is designed for surface mount applications, facilitating easy integration into PCB designs.
The maximum reverse leakage current for this model is specified at 1 μA, which helps minimize power dissipation during normal operation.
This diode is UL Recognised, ensuring it meets specific safety and performance standards for electronic components.
The SM15T18A features a 2-pin configuration, which is typical for surface mount components.
This diode is ideal for industrial, commercial, automotive (non-automotive standard), laboratory, and manufacturing applications where transient voltage protection is critical.
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