DF2S5.1ASL,L3F Circuit Protection

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TVS (Transient Voltage Suppressor) diode is a specialized form of Zener diode. It is used for protection of other devices from voltage surges like electrostatic discharge, lightning, and inductive load switching transients. TVS diodes are used in a variety of applications like industrial, automotive, and communications applications.

DF2S5.1AL,L3F is a TVS diode which is specifically designed for the protection of automotive systems. It is primarily used to protect ECU (Electronic Control Unit) from voltage surges. It is also suitable for alternate powertrain systems like HEV (Hybrid Electric Vehicle) and High Voltage vehicles.

Characteristics of DF2S5.1AL,L3F TVS Diode

DF2S5.1AL,L3F is a unidirectional device. Its peak Pulsed power solver is 5.1 W. It has an IEC Exceedance rating of 6 KV. It has a high clamping voltage of 176.4 V and low clamping voltage of 76.4 V. It has a low breakdown voltage of 50 V with a current rating of 6.2 A. It also has an operating Temperature range of -55°C to +175°C. The DF2S5.1AL,L3F TVS diode comes in a small SOT23-3 Flat Lead package.

Working Principle of DF2S5.1AL,L3F TVS Diode

DF2S5.1AL,L3F is a unidirectional device so when a surge voltage greater than its breakdown voltage is applied, it conducts. When the applied voltage falls to its low clamping voltage, it stops conducting and presents a high resistance path. Thus the surge voltage is clamped to a safe level, protecting the automotive system from damage due to such a surge.

Applications of DF2S5.1AL,L3F TVS Diode

DF2S5.1AL,L3F is primarily used in automotive systems to protect Electronic control Unit’s (ECU) from electrical over stress (EOS) caused by electrical transients. It is also suitable for applications in automotive powertrain systems, like High Voltage vehicles, Hybrid Electric Vehicles (HEV), etc. It can be used in industrial systems to protect down stream components or prevent shock propagation. It can also be used in communication systems to protect external devices from voltage surges.

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