Overview
The SM15T18CAY is a high-performance Transil diode manufactured by STMicroelectronics. This component is designed to provide robust overvoltage protection in various electronic systems. The SM15T18CAY is part of the automotive series, offering a high surge capability of 1500 W, making it suitable for demanding applications that require reliable and instantaneous protection against transient overvoltages.
Key Specifications
| Parameter | Value |
|---|---|
| Part Number | SM15T18CAY |
| Manufacturer | STMicroelectronics |
| Peak Pulse Power (PPp) | 1500 W |
| Breakdown Voltage (Vbr) | 15.3 V |
| Package | SMC (DO-214AB) |
| Operating Temperature Range | -55°C to 150°C |
| RoHS Compliance | Yes |
Key Features
- High surge capability of 1500 W, providing robust protection against transient overvoltages.
- Low leakage current, ensuring minimal impact on the system during normal operation.
- Fast response time, clamping overvoltages almost instantaneously.
- Automotive-grade reliability, suitable for use in harsh environments.
- SMC (DO-214AB) package, offering a compact and surface-mountable design.
Applications
- Automotive systems: protection for electronic control units (ECUs), sensors, and other critical components.
- Industrial control systems: protection against power surges and transient overvoltages.
- Telecommunications: protection for sensitive electronic equipment.
- Aerospace and defense: high-reliability protection in harsh environments.
Q & A
- What is the peak pulse power of the SM15T18CAY?
The peak pulse power (PPp) of the SM15T18CAY is 1500 W.
- What is the breakdown voltage of the SM15T18CAY?
The breakdown voltage (Vbr) of the SM15T18CAY is 15.3 V.
- In what package is the SM15T18CAY available?
The SM15T18CAY is available in the SMC (DO-214AB) package.
- What is the operating temperature range of the SM15T18CAY?
The operating temperature range of the SM15T18CAY is -55°C to 150°C.
- Is the SM15T18CAY RoHS compliant?
Yes, the SM15T18CAY is RoHS compliant.
- What are the typical applications of the SM15T18CAY?
The SM15T18CAY is typically used in automotive systems, industrial control systems, telecommunications, and aerospace and defense applications.
- How does the SM15T18CAY protect against overvoltages?
The SM15T18CAY protects against overvoltages through its clamping action, which responds almost instantaneously to transient overvoltages.
- What is the significance of the 'Transil' designation for the SM15T18CAY?
The 'Transil' designation indicates that the SM15T18CAY is a transient voltage suppressor (TVS) diode, designed to protect electronic circuits from voltage spikes and surges.
- Can the SM15T18CAY be used in harsh environments?
Yes, the SM15T18CAY is designed to operate in harsh environments and is suitable for use in automotive and industrial applications where reliability is critical.
- Where can I find detailed specifications for the SM15T18CAY?
Detailed specifications for the SM15T18CAY can be found in the datasheet available on the STMicroelectronics website or through distributors like Digi-Key and Mouser.
