DSL04-005SC6 Circuit Protection

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TVS diodes, or transient voltage suppressors, are electronic components designed for protecting circuits from electrical surges caused by events such as lightning strikes or accidental contact with power lines. The DSL04-005SC6 model is a unidirectional TVS diode designed for protecting electronic equipment, especially automotive electronics, from overvoltage transients.

Environmental Characteristics

The DSL04-005SC6 features an operating temperature range between -55°C and +150°C and storage temperature range between -55°C and +150°C. It has a maximum power dissipation of 0.55W and a stand-off voltage range of 5V. This diode package is in a DO-214AB (SMC) case.

Typical Parameter Values

The peak pulse power dissipation for the DSL04-005SC6 is at 1 kW (10/1000 μs) or 6 kV (8/20 μs). The maximum reverse leakage current is 0.1 mA and the reverse clamping voltage is 6.5V, with a maximum operating frequency of 100MHz. The reverse stand-off voltage listed is 5V. The forward voltage¹ is 0.6V and the maximum recovery time is 1ns.

Application

The DSL04-005SC6 is suitable for automotive applications requiring either 12V or 24V vehicle systems. It is especially well-suited for use in Audio, Video and Automotive Data Bus Networks, including CAN Bus, LIN Bus, MOST Bus, and FlexRay networks. The diode is also used to protect AD/DA converters, microprocessors, smart sensing grids, and sensors from electrostatic damage caused by transients events.

Working Principle

The DSL04-005SC6 has a bidirectional (unidirectional) structure that is able to clamp the voltage of surges quickly and accurately, limiting the peak voltage seen by the protected circuits. This diode is fast-acting and can safely move and dissipate large amounts of energy generated by large transients. Its fast response is due to its low capacitance, which aids in quickly reducing the system\'s voltage.

When a transient event occurs, the diode will begin to conduct current in the reverse direction and absorb the surge. The energy will then be conducted to the diode\'s substrate so that it can be safely dissipated. The diode stops conducting once the voltage returns to a safe level, allowing the circuit to operate normally again.

Conclusion

The DSL04-005SC6 is a unidirectional TVS diode designed for protecting automotive electronics from overvoltage transients. Its fast response time and low capacitance make it ideal for Audio, Video, and Automotive Data infrastructures, as well as for AD/DA converters and microprocessors. It is also capable of moving and dissipating large amounts of energy, making it an excellent choice for transient voltage protection.

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