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STMicroelectronics 1-Element Bi-Directional TVS Diode 1.5 kW Surface Mount SMC Package SM15T18CA
Specifications
| Country of Origin | India |
|---|---|
| Brand | STMicroelectronics |
| Height | 2.45mm |
| Length | 7.15mm |
| Model | SM15T18CA |
| Width | 6.25mm |
| Mount Type | Surface |
| Series | SM15T TVS |
| Maximum Operating Temperature | 150°C |
| Package Type | SMC |
| Minimum Operating Temperature | -55°C |
| Pin Count | 2 |
| Number of Elements per Chip | 1 |
| Clamping Voltage VC | 32.5V |
| 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 | 1.5kW |
| Test Current It | 1mA |
| Maximum Peak Pulse Current Ippm | 308A |
| Maximum Reverse Leakage Current | 1μA |
Key Features
- Single diode configuration providing robust bidirectional protection.
- Surface mount SMC package type facilitates compact PCB mounting.
- Minimum breakdown voltage of 17.1 V ensures stable operation under transient conditions.
- Clamping voltage of 32.5 V for effective voltage spike suppression.
- Operating temperature range from -55°C to 150°C suitable for harsh environments.
- Maximum peak pulse current rating of 308 A provides high surge current capability.
- Low maximum reverse leakage current of 1μA enhances efficiency.
- Reliable performance without automotive standard certification.
Product Description
STMicroelectronics SM15T18CA is a 1-element bi-directional transient voltage suppressor (TVS) diode designed to protect electronic circuits from voltage transients induced by inductive load switching and lightning. It features a single diode configuration housed in a surface mount SMC package.
This diode supports a peak pulse power dissipation of 1.5 kW and a minimum breakdown voltage of 17.1 V, providing robust surge protection. The clamping voltage is specified at 32.5 V to efficiently clamp voltage spikes within safe limits.
The device operates reliably in harsh environments with a temperature range from -55°C to 150°C. Its maximum peak pulse current rating of 308 A allows it to absorb high transient currents without damage. The low reverse leakage current, at a maximum of 1 μA, ensures minimal power loss during normal operation.
With compact physical dimensions of 7.15 mm length, 6.25 mm width, and 2.45 mm height, the SM15T18CA is suitable for space-limited circuit board applications and supports surface mount technology for ease of assembly.
This TVS diode is essential for transient voltage protection in a variety of sectors including industrial machinery, power supplies, telecommunications, consumer electronics, and automotive electronics (though not automotive certified).
Single element diode configuration for bi-directional voltage suppression. Surface mount SMC package for practical PCB implementation. 1.5 kW peak pulse power rating ensures strong transient absorption. Wide operating temperature range enhances reliability across applications.
High peak pulse current capacity suitable for severe transient events. Low leakage current contributes to energy efficiency. Explore the Semiconductor category at EnvMart for additional TVS Diodes and electronic protection components.
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Frequently Asked Questions
The peak pulse power dissipation of this model is 1.5 kW, allowing it to effectively absorb voltage transients.
The minimum breakdown voltage is 17.1 V, ensuring stable operation under transient conditions.
The clamping voltage is specified at 32.5 V, which helps in efficiently clamping voltage spikes.
This model has a maximum peak pulse current rating of 308 A, enabling it to handle high surge currents without damage.
The operating temperature range is from -55°C to 150°C, making it suitable for harsh environments.
The dimensions are 7.15 mm in length, 6.25 mm in width, and 2.45 mm in height, suitable for compact PCB applications.
It supports surface mounting, facilitating easy assembly on circuit boards.
This diode has a single element configuration, designed for bi-directional voltage suppression.
The maximum reverse leakage current is 1 μA, which enhances efficiency during normal operation.
It is suitable for applications in industrial machinery, power supplies, telecommunications, consumer electronics, and automotive electronics, although it is not automotive certified.
The package type is SMC, which is designed for surface mount technology.
The test current is specified at 1 mA, which is used for testing the diode's characteristics.
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