DE37120D0L Circuit Protection

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

Transient Voltage Suppressors (TVSs) are components that are used to protect electronics from electrical transients and electrostatic discharges (ESDs). The DE37120D0L is a unidirectional single-channel unidirectional TVS Diode, specifically designed to provide overvoltage protection in a range of applications. This article will discuss the application fields and working principles of the DE37120D0L.

Key Features of DE37120D0L

The DE37120D0L, a unidirectional single-channel unidirectional transient voltage suppressor diode, is ideal for providing robust overvoltage protection in a range of applications. It features a low breakdown voltage of 7.5V, enabling a captive clamping action that maintains high power-handling capability. Its peak pulse current rating is 30A, with a maximum peak pulse power rating of 150W, allowing it to protect systems from both low and high-energy transients. Additionally, this device has a low clamping voltage of 10.2V and a low-level leakage-current of 5 μA, giving it a high level of protection against ESD.

Application Fields of DE37120D0L

The DE37120D0L, a unidirectional single-channel unidirectional Transient Voltage Suppressor (TVS) diode, has various application fields, such as:

• Signal Protection: DE37120D0L can be used to protect signal pins from transients and ESD on printed circuit boards (PCBs), including telecommunications relay and switchboards.
• Surge Protection: This TVS Diode is capable of protecting sensitive electronic components from power surges, overvoltages, and other hazardous events, especially in high-voltage applications such as power systems.
• Data Communications: This TVS Diode can be used in data communication lines, with its high-speed response time protecting against high-energy transient pulses.

Working Principle of DE37120D0L

The DE37120D0L, a unidirectional single-channel unidirectional Transient Voltage Suppressor (TVS) Diode, is a device that redirects transient energies created by electrical transients and ESDs away from sensitive circuitry, providing a safe operating environment. This is achieved through the following process:

1. Clamping the Voltage: When the surge voltage reaches a predetermined level (the breakdown voltage, 7.5V in the case of the DE37120D0L), the TVS Diode conducts, effectively clamping the surge voltage to a slightly higher voltage, thus preventing further damage.
2. Absorbing the Energy: Once in conduction, the DE37120D0L is an efficient energy absorber, proportioning its response to the energy of the surge. This allows it to safely dissipate the surge energy, thereby protecting sensitive circuitry from damage.
3. Re-establishing Normal Operation: Once the transient is passed, the DE37120D0L returns to its non-conducting state, allowing the protected electronic circuitry to resume normal operation.

Conclusion

The DE37120D0L, a unidirectional single-channel unidirectional Transient Voltage Suppressor (TVS) diode, is an ideal solution for overvoltage protection in a range of applications, including signal protection, surge protection, and data communications. Its low breakdown, high power-handling capability, low clamping voltage, and low leakage-current enable a robust level of protection against ESDs and transients. Additionally, its safe and efficient energy absorption process allows sensitive circuitry to remain protected and functioning correctly.

The specific data is subject to PDF, and the above content is for reference