SLD13-018

Voltage - Clamping (Max) @ Ipp:	21.5V
Supplier Device Package:	P600
Package / Case:	P600, Axial
Mounting Type:	Through Hole
Operating Temperature:	-55°C ~ 175°C (TJ)
Capacitance @ Frequency:	--
Applications:	Automotive
Power Line Protection:	No
Power - Peak Pulse:	5000W (5kW)
Current - Peak Pulse (10/1000µs):	237.2A
Series:	Automotive, AEC-Q101, SLD
Voltage - Breakdown (Min):	14.4V
Voltage - Reverse Standoff (Typ):	13V
Bidirectional Channels:	1
Type:	Zener
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Reel (TR)

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SLD13-018 TVS – Diodes Application Field and Working Principle

Highly efficient, reliable and powerful Transil diodes like SLD13-018 are used for surge protection in sensitive electronic equipment such as optical fiber systems, data communication systems and general purpose electronics. This article will focuss on the application field and working principle of SLD13-018 TVS - Diodes.

Application Fields

SLD13-018 TVS-Diodes are used for lightning surge and over-voltage protection in communication and high-speed data applications. Its superior technology is suitable for data lines where transmission speed is critical. This type of device is suitable for use in both low voltage and high voltage applications which include panelboards, battery chargers, industrial equipment and those used in outdoor areas. In terms of telecommunication systems, SLD13-018 is suitable as surge protective device for a variety of equipment used in telecom circuitry, such as frequency, wire-line and coaxial systems, meaning these devices can provide telecommunication networks with increased protection from electrical noise and surges. Outdoor applications can also benefit from the use of SLD13-018, due to its superior thermal resistance, as it can absorb energy at high temperatures up to 175c. This allows SLD13-018 to maintain its high level of electrical noise suppression, and low voltage clamping performance over its entire operational temperature range.

Working Principle

SLD13-018 is a double diode device with two TVS diodes connected in anti-parallel and reversed direction. It effectively works by positioning two TVS diodes against each other to achieve high level of surge protection and reduce electromagnetic interference (EMI). When a transient voltage is applied to the diode, both TVS diodes are activated in sequence, which allows them to function in the same way as a single diode. The diodes are reverse-biased and have a large reverse-breakdown voltage rating, which is different than the clamping voltage rating of the TVS diode. The reverse-breakdown voltage determines the amount of voltage the diode can withstand before it starts to be affected by the transient voltage. The TVS diode also has a low drain capacitance, which allows it to recover quickly from a transient voltage while maintaining the same level of protection.When a transient voltage is applied to the SLD13-018 TVS-Diode, the two diodes are activated in sequence. The first diode will conduct the current and the second diode will act as a clamp, preventing the voltage from exceeding the maximum level. This type of device is also beneficial in terms of the application’s safety, as the design of the device ensures that the current will not be distributed to more than two terminals of the device.

Conclusion

SLD13-018 is an efficient, reliable and powerful TVS-diode, suitable for a variety of applications. It is especially beneficial for use in communication and data applications, and for outdoor applications where the device is exposed to high temperatures. Furthermore, the efficient design of SLD13-018 makes it suitable to be used in sensitive equipment, providing reliable surge protection and reducing EMI. As it is a double diode device with two TVS diodes connected in anti-parallel in sequence, it is capable of providing surge protection and clamping voltage protection.

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