ON Semiconductor SMBJ12AONT3 Product Overview

The SMBJ12AONT3 is a robust transient voltage suppression (TVS) diode from ON Semiconductor, designed to protect sensitive electronic equipment from voltage spikes and surges. This TVS diode is a part of the SMBJ series, which is known for its compact surface-mount package and excellent clamping capability, making it a popular choice for a wide range of applications including consumer electronics, industrial systems, and automotive circuits.

Key Features

• Stand-Off Voltage: The device has a stand-off voltage of 12V, which is the maximum voltage that can be applied over the diode without causing it to conduct in avalanche mode.
• Peak Pulse Power: It offers a peak pulse power dissipation of 600W for a 10/1000μs waveform, ensuring protection against high energy transients.
• Clamping Voltage: With a clamping voltage of 19.9V, the SMBJ12AONT3 provides reliable protection for sensitive components by limiting voltage spikes.
• Uni-directional Protection: This TVS diode is uni-directional, designed to protect against transient voltages in one polarity.
• Fast Response Time: The device reacts in less than 1 picosecond from 0V to BV min, offering immediate response to transient events.
• Operating Temperature Range: It operates within a temperature range of -55°C to +150°C, suitable for a variety of environmental conditions.
• Package: The SMBJ12AONT3 comes in a small SMB (DO-214AA) package, ideal for space-constrained applications.
• Compliance: It is RoHS compliant and meets the IEC-61000-4-2 and IEC-61000-4-4 standards for ESD and EFT immunity, respectively.

Applications

The SMBJ12AONT3 is versatile and can be used in a range of applications to protect against voltage transients. These include:

• Power supply circuits
• Communication systems
• Automotive electronics
• Portable devices
• Microprocessor-based equipment

With its combination of high surge capability, fast response time, and compact footprint, the SMBJ12AONT3 from ON Semiconductor is an excellent choice for designers looking to enhance the reliability and longevity of their electronic products.