Overview
The SMF18AT1G is a Transient Voltage Suppressor (TVS) diode manufactured by onsemi. This component is designed to protect electronic circuits from voltage spikes and surges, ensuring the reliability and longevity of the system. It is particularly suited for automotive and other high-reliability applications where robust protection against transient voltages is crucial.
Key Specifications
| Parameter | Value |
|---|---|
| Stand-off Voltage | 18 V |
| Peak Pulse Current (10/1000 μs) | 6.8 A |
| Maximum Reverse Leakage Current | 1 μA |
| Minimum Breakdown Voltage | 20 V |
| Minimum Operating Temperature | -55 °C |
| Peak Power Dissipation (1 ms) | 200 Watts |
| Response Time | Typically < 1 ns |
Key Features
- High Peak Pulse Current Capability: The SMF18AT1G can handle peak pulse currents up to 6.8 A, making it suitable for protecting against high-energy transients.
- Low Leakage Current: With a maximum reverse leakage current of 1 μA, this diode minimizes power consumption in standby conditions.
- Fast Response Time: The response time is typically less than 1 ns, ensuring rapid protection against transient voltages.
- High Reliability: Designed for automotive and other high-reliability applications, this TVS diode offers robust protection against voltage spikes and surges.
- Wide Operating Temperature Range: The component can operate over a temperature range of -55 °C to 150 °C, making it versatile for various environmental conditions.
Applications
- Automotive Systems: The SMF18AT1G is particularly suited for use in automotive electronics, where protection against transient voltages is critical.
- Industrial Control Systems: It can be used in industrial control systems to protect against voltage surges and spikes.
- Telecommunications Equipment: This TVS diode is also applicable in telecommunications equipment to ensure reliable operation under various voltage conditions.
- Consumer Electronics: It can be used in consumer electronics to protect against transient voltages and ensure the longevity of the device.
Q & A
- What is the primary function of the SMF18AT1G?
The primary function of the SMF18AT1G is to protect electronic circuits from transient voltage spikes and surges.
- What is the peak pulse current rating of the SMF18AT1G?
The peak pulse current rating of the SMF18AT1G is 6.8 A.
- What is the minimum breakdown voltage of the SMF18AT1G?
The minimum breakdown voltage of the SMF18AT1G is 20 V.
- What is the maximum reverse leakage current of the SMF18AT1G?
The maximum reverse leakage current of the SMF18AT1G is 1 μA.
- What is the operating temperature range of the SMF18AT1G?
The operating temperature range of the SMF18AT1G is -55 °C to 150 °C.
- What is the response time of the SMF18AT1G?
The response time of the SMF18AT1G is typically less than 1 ns.
- In which applications is the SMF18AT1G commonly used?
The SMF18AT1G is commonly used in automotive systems, industrial control systems, telecommunications equipment, and consumer electronics.
- What is the peak power dissipation rating of the SMF18AT1G?
The peak power dissipation rating of the SMF18AT1G is 200 Watts for a 1 ms pulse.
- Is the SMF18AT1G lead-free?
- Why is the SMF18AT1G suitable for high-reliability applications?
The SMF18AT1G is suitable for high-reliability applications due to its robust protection against transient voltages, low leakage current, and wide operating temperature range.
