The CDSOT23-SM712 is a surface-mounted Transient Voltage Suppressor (TVS) diode designed by Bourns to provide effective protection against Electrostatic Discharge (ESD), Electrical Fast Transients (EFT), and Surge events. This component is engineered to meet the requirements of IEC 61000-4-2 for ESD, IEC 61000-4-4 for EFT, and IEC 61000-4-5 for Surge, making it a suitable choice for safeguarding sensitive electronic circuits.
Packaged in the compact SOT23 form factor, the CDSOT23-SM712 incorporates two TVS diodes, offering flexibility with working peak reverse voltages of 7V and 12V. Its design facilitates easy integration into existing SOT23 footprints, supporting streamlined manufacturing processes with standard pick and place equipment. The device's flat configuration is designed to minimize roll away, enhancing handling efficiency.
Featuring a peak pulse power dissipation of 400W (8/20 μs waveform) and a maximum ESD protection of 30kV, this diode array is capable of withstanding significant transient voltages, ensuring robust protection for electronic components. The device's electrical characteristics include a minimum breakdown voltage of 7.5V/13.3V and a maximum clamping voltage of 14V/26V at 17A, providing effective suppression of voltage transients.
TVS Diodes
Transient Voltage Suppressor (TVS) diodes are semiconductor devices designed to protect electronic circuits from voltage spikes and surges. These components work by clamping overvoltage transients to a safe level that the circuit can withstand, thus preventing damage to sensitive components. TVS diodes are widely used in various applications to guard against electrostatic discharge (ESD), electrical fast transients (EFT), and surges caused by lightning or switching loads.
When selecting a TVS diode, engineers should consider parameters such as working peak reverse voltage, breakdown voltage, peak pulse power, and clamping voltage. These specifications determine the diode's ability to protect against specific transient voltages. Additionally, the package type and size are important for ensuring compatibility with the intended application and available board space.
TVS diodes find applications in protecting data ports, power lines, and communication interfaces in a wide range of electronic devices. These include consumer electronics, industrial control systems, automotive electronics, and telecommunication equipment. Proper selection and implementation of TVS diodes are critical for achieving effective protection without compromising the performance of the protected circuit.
The CDSOT23-SM712 by Bourns, with its dual voltage protection capability and high ESD protection level, exemplifies the type of component engineers might select to safeguard sensitive electronic systems. Its compact SOT23 package and compatibility with standard manufacturing processes make it an attractive option for a variety of applications.