CD214B-T26ALF

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TVS diodes serve many purposes in various electronic applications. CD214B-T26ALF, for instance, is a transient voltage suppressor diode which is designed for protecting sensitive communication and data circuits from excessive voltage transients caused by lightning, electro-magnetic interference, and induction. This article aims to outline the application field and working principle of CD214B-T26ALF.

Application Field

CD214B-T26ALF is typically used for industrial communication applications such as Ethernet, RS-232, RS-422, and RS-485. It can also be used for power line communication or PLCC for motors, power supplies, and other line-connected equipment. It is a perfect choice for network-based industrial automation and process control systems, such as PLCs, controllers, and industrial sensors. CD214B-T26ALF can also be used for electrostatic discharge (ESD) protection in retail environments to prevent disruption in systems.

Working Priniciples

CD214B-T26ALF is a bipolar device, which means it is constructed with two levels of voltage protection. The first level is triggered when an overvoltage transient occurs. This level of protection operates by clamping the voltage down to a safe level above the existent power line. The second level of protection intervenes when the voltage rises to a higher level and rapidly discharges it to a safe voltage level. This is done in a short period of time to avoid damaging sensitive electronic components.

CD214B-T26ALF’s superior performance characteristics are offset by its power dissipation levels and thermal performance. Its performance is enhanced by a low dynamic capacitance, which means less energy is dissipated during operation. It also performs better at high ambient temperatures, so it is suitable for use in an environment where there are high levels of heat.

Conclusion

CD214B-T26ALF is a TVS diode designed for protecting sensitive communication and data circuits from excessive voltage transients. Its application field includes Ethernet, RS-232, RS-422, RS-485, PLCC, motors, power supplies, and other line-connected equipment. To operate, it clamps the voltage down to a safe level, then rapidly discharges the voltage to a safe level in a short period of time. Its superior performance characteristics are offset by its power dissipation levels and thermal performance. It is suitable for use in an environment with high heat.

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