The SMA4F8.5AY is a robust transient voltage suppression (TVS) diode from the esteemed semiconductor manufacturer, STMicroelectronics. This high-performance device is designed to protect sensitive electronic equipment from voltage spikes and surges, ensuring the reliability and longevity of the application it serves.

Key Features

• Stand-off Voltage: The SMA4F8.5AY has a stand-off voltage of 8.5V, making it suitable for protecting circuits with a nominal operating voltage up to this level.
• Peak Pulse Power: With a peak pulse power dissipation of 400W (10/1000μs surge), this device can handle significant transient power spikes, safeguarding your electronics from sudden surges.
• Low Clamping Voltage: The low clamping voltage of this TVS diode ensures that excess voltage is clamped down quickly, reducing the risk of damage to the protected component.
• Fast Response Time: Its response time is virtually instantaneous (
• Package: The SMA4F8.5AY comes in a compact SMA (DO-214AC) package, which is optimal for high-density board installations and is also RoHS compliant.
• Temperature Range: The operating junction temperature range is from -55°C to 150°C, ensuring stability and performance under a wide range of environmental conditions.

Applications

The SMA4F8.5AY is versatile and can be used in a variety of applications, including:

• Power supply lines
• Communication systems
• Aerospace and automotive electronics
• Portable devices
• Industrial controls

Quality and Reliability

STMicroelectronics is renowned for its commitment to quality and the SMA4F8.5AY is no exception. It is manufactured with the highest standards, ensuring that it meets the stringent requirements of industrial and consumer electronic devices. With its excellent transient voltage suppression capabilities, the SMA4F8.5AY is a reliable choice for protecting sensitive circuits against voltage transients induced by inductive load switching and lightning impacts.