SMBJ440ATR

Voltage - Clamping (Max) @ Ipp:	713V
Supplier Device Package:	SMB (DO-214AA)
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
Current - Peak Pulse (10/1000µs):	900mA
Series:	--
Voltage - Breakdown (Min):	492V
Voltage - Reverse Standoff (Typ):	440V
Unidirectional Channels:	1
Type:	Zener
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Reel (TR)

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SMBJ440ATR TVS - Diodes

The SMBJ440ATR is a type of transient voltage suppressor (TVS) diode, which is useful for providing electrical protection against one-time and/or repetitive transients. The SMBJ440ATR TVS diode is an important protection component that is used in a wide range of applications. In this article, we will discuss the application field and the working principle of the SMBJ440ATR.

Application Field

The SMBJ440ATR TVS diode is used in a wide variety of applications, from consumer electronics to industrial, medical, and automotive applications. It is used in consumer electronics for overvoltage protection against power supply surges, power line transients, and ESD. It also can be used in industrial applications, such as industrial electronic systems, computers, and telecommunications equipment, for transient overvoltage protection. The SMBJ440ATR is also used in medical applications, such as medical imaging, defibrillators, and ECG machines, for electrical protection against spikes and surges. Additionally, it is used in automotive applications for protection against transients caused by engine noise, icemaking, etc.

Working Principle

The SMBJ440ATR TVS diode is a voltage-dependent electronic component that can be used to protect circuits against overvoltage events. This type of TVS diode is designed to respond quickly to a voltage transient and conduct the overvoltage current to ground. When the overvoltage transient exceeds the diode’s peak pulse power rating, the diode is triggered and the current flow through the diode is limited to a safe level. The SMBJ440ATR features Bidirectional Transil ® technology, which provides superior protection against overvoltage and ESD events.The SMBJ440ATR is available in a variety of package styles and ratings, including SMBJ8CA, SMBJ440AT, and SMBJ440ATR. The SMBJ440ATR is particularly well-suited for automotive applications, due to its ability to provide robust protection against transients caused by engine noise, icemaking, etc. It has a peak pulse power rating of 400W (10/1000µs). The diode is designed to clamp the transient to the nominal breakdown voltage, which is typically 40V. In summary, the SMBJ440ATR is a reliable and robust transient voltage suppressor that can be used in a variety of applications to provide protection against one-time and/or repetitive transients. It has a wide range of package styles and ratings that make it suitable for a variety of applications. The SMBJ440ATR features Bidirectional Transil® technology, which ensures superior protection against overvoltage and ESD events. Additionally, it is particularly well-suited for automotive applications, due to its ability to provide robust protection against transients caused by engine noise, icemaking, etc.

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