SM15T27CAHE3/9AT

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Transient Voltage Suppressor (TVS) diode technology is a crucial element of today’s electronic equipment. The SM15T27CAHE3/9AT is a transient voltage suppressor diode that is used for a variety of applications. It is designed to protect sensitive components from voltage spikes by clamping the voltage below a predetermined value. This article will provide an overview of the device\'s applications and working principle.

Applications of SM15T27CAHE3/9AT

The SM15T27CAHE3/9AT is a high power transient voltage suppressor diode that is designed for protection against large voltage spikes. It has a wide variety of applications, including:

• Mobile phone and tablet protection against electrostatic discharge (ESD)
• Data and audio line protection in computer and audio equipment
• Protection against voltage transients in automotive systems
• Surge protection on AC power lines

The device can be used in both commercial and industrial applications, and is suitable for use in both AC and DC circuits. The device is rated for an operating voltage of 14 V and an operating temperature of -55° C to +175° C.

Working Principle of SM15T27CAHE3/9AT

The SM15T27CAHE3/9AT is a low-voltage bipolar transistor based transient voltage suppressor diode. It works by clamping the voltage below a predetermined value during a surge or transient. This is accomplished by the instantaneous movement of electrons in the device, which results in a sudden decrease in current flow.

The device works by having an avalanche characteristic on the PN junction. This junction is biased in a depletion region, where current can flow through the diode even in the reverse direction. When a surge or transient is applied, the current through the junction will be very high, causing the PN junction to be exposed to a higher voltage than its breakdown voltage. This will cause the electrons in the junction to accelerate and create a drain current, resulting in the sudden decrease in current flow.

Once the device has been activated, it will not reset until the power supply has been disconnected. This ensures that the device will remain activated until the transient has passed.

Conclusion

The SM15T27CAHE3/9AT is a transient voltage suppressor diode that is designed to protect sensitive electronic equipment from voltage transients. It has a wide range of applications, including mobile phone and tablet protection, AC and DC Surge protection, and protecting against voltage transients in automotive systems. The device works by having an avalanche characteristic on the PN junction, which clamps the voltage below a predetermined value during a surge or transient.

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