SMBJ13A-13

Current - Peak Pulse (10/1000µs):	27.9A
Base Part Number:	SMBJ13
Supplier Device Package:	SMB
Package / Case:	DO-214AA, SMB
Mounting Type:	Surface Mount
Operating Temperature:	-55°C ~ 150°C (TJ)
Capacitance @ Frequency:	--
Applications:	General Purpose
Power Line Protection:	No
Power - Peak Pulse:	600W
Series:	SMBJ
Voltage - Clamping (Max) @ Ipp:	21.5V
Voltage - Breakdown (Min):	14.4V
Voltage - Reverse Standoff (Typ):	13V
Unidirectional Channels:	1
Type:	Zener
Moisture Sensitivity Level (MSL):	--
Part Status:	Discontinued at Digi-Key
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Reel (TR)

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TVS - Diodes

The SMBJ13A-13 is a unidirectional transil diode, commonly used as an overvoltage protection device. It is generally used for protecting circuitry from electrostatic discharges, voltage spikes, and other types of high voltage conditions. This diode provides an effective and reliable protective barrier, ensuring the safe operation of the protected circuit.The SMBJ13A-13 is a part of the transient voltage suppressors (TVS) diodes family. It is a low capacitance zener diode, with an optimal clamping voltage at 13 volts and a maximum IEC 61643 peak pulse current of 13 Amperes. This particular diode has a breakdown voltage of 12 volts and a maximum leakage current of 5mA at 25⁰C. It has a low capacitance of 5pF, which helps prevent the generation of spurious signals in the protected circuit. The main application of the SMBJ13A-13 is in protecting sensitive circuitry from overvoltage and transient conditions. It works by clamping the voltage on the protected device. When a voltage spike occurs, the diode begins to conduct current and limits the voltage on the protected device. This reduces the voltage on the protected circuit to a safe level and prevents the sensitive circuitry from being damaged. The working principle of the SMBJ13A-13 is fairly simple. The diode consists of an anode and a cathode, which are connected by a junction. When the voltage on the protected line increases to a certain level, the forward voltage on the diode increases, allowing current to flow. This causes the voltage on the protected line to be clamped to a safe level, safeguarding the connected circuitry. In addition to overvoltage protection, the SMBJ13A-13 can also be used in any application which requires a high level of ESD immunity. It is also suitable for use in motor vehicle systems, as it can easily handle the high vibration and temperature levels encountered in such systems. Furthermore, it has a low capacitance and reverse leakage performance, making it suitable for use in Automotive Ethernet applications. The SMBJ13A-13 provides a reliable, cost-effective solution for protecting sensitive electronics from electrostatic discharges, high voltage spikes, and other overvoltage conditions. It is a highly versatile diode, capable of clamping wide voltage ranges and handling high peak pulse currents. Its low capacitance ensures that it will not interfere with signal integrity, making it ideal for use in Automotive Ethernet applications.

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