SMBJ85A-13

Current - Peak Pulse (10/1000µs):	4.4A
Base Part Number:	SMBJ85
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:	137V
Voltage - Breakdown (Min):	94.4V
Voltage - Reverse Standoff (Typ):	85V
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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The SMBJ85A-13 is a bidirectional transient voltage suppressor diode. It is designed to protect electronic devices from high-voltage transients that can occur in applications such as automotive, digital audio, industrial and consumer electronics. It works by providing a low impedance path to ground when there is an overvoltage event. This helps limit the transient voltage that can occur in the system.The SMBJ85A-13 has a peak pulse power rating of 600W and a working voltage of 13V. It is suitable for use in applications with voltages up to 25V. Its bidirectional design allows it to protect against overvoltage in both positive and negative directions.The working principle of the SMBJ85A-13 is based on the avalanche effect. This is a phenomenon where a heavy flow of electrons occurs when a certain voltage is applied. In this case, the overvoltage causes the diode to avalanche and breakdown, providing a low impedance path to ground. This helps limit the transient voltage and protect the system.The SMBJ85A-13 is available in variety of package sizes and form factors, making it suitable for a wide range of applications. It is also designed to be very reliable and has a long life expectancy. This makes it suitable for a wide variety of applications where the protection of sensitive electronic components is vital.The SMBJ85A-13 is widely used in automotive and industrial applications due to its robust design and reliable performance. It is particularly useful in protecting sensitive components from transients in battery systems, such as in electric vehicles (EVs) and hybrid electric vehicles (HEVs). It is also useful in protecting devices from high-voltage transients that can occur on PCBs due to electromagnetic disturbances.In summary, the SMBJ85A-13 is a bidirectional transient voltage suppressor diode designed to protect electronic devices from overvoltage transients in automotive, industrial, consumer and audio applications. It is available in many package sizes and form factors, making it suitable for a wide range of applications. It offers robust protection and a long life expectancy, making it a reliable and cost-effective solution for protecting sensitive components.

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