MSMBG28A

Voltage - Clamping (Max) @ Ipp:	45.4V
Supplier Device Package:	SMBG (DO-215AA)
Package / Case:	DO-215AA, SMB Gull Wing
Mounting Type:	Surface Mount
Operating Temperature:	-65°C ~ 150°C (TJ)
Capacitance @ Frequency:	--
Applications:	General Purpose
Power Line Protection:	No
Power - Peak Pulse:	600W
Current - Peak Pulse (10/1000µs):	13.2A
Series:	Military, MIL-PRF-19500
Voltage - Breakdown (Min):	31.1V
Voltage - Reverse Standoff (Typ):	28V
Unidirectional Channels:	1
Type:	Zener
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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MSMBG28A TVS Diodes Application Field and Working Principle

TVS or Transient Voltage Suppressor diodes, are components used in a wide range of devices for protection from electrical transients. They are available in various types such as bidirectional, unidirectional, and non-polarized bivariate devices that can handle a certain amount of energy, usually between 5 and 400 watts depending on the model.One of the most common models is the MSMBG28A. The MSMBG28A is a unidirectional low-capacitance tvs diode designed and built especially for protecting signal lines from voltage transients. These type of TVS diodes have two different configurations; single-line and dual-line. The MSMBG28A is a dual-line device designed to protect two signal lines instead of one. It helps protects against voltage transients on both analog and digital signal lines while maintaining low capacitance, especially compared to the single line devices.The MSMBG28A has many uses in a variety of applications which include: automotive, industrial, communication equipment, computers, and consumer electronics. It is often used to protect power supplies against short-duration electrical over-voltage and induced noise. Additionally, the device can be used to avoid false triggering of sensitive circuits as it has an extremely low clamping voltage on the ground line.The MSMBG28A TVS diode can be used in both AC and DC supply lines. It has a highly linear, low-impedance protection path that effectively helps to avoid ground-loop formation. It is able to provide over-voltage protection, amplitude and pulse width limited protection, against noise-induced transients or voltage transients from lightning. The working principle behind the MSMBG28A diode is that it stores the transient energy from an over-voltage occurrence and releases it in a controlled fashion. When the device is exposed to an over-voltage, the diode begins conducting current, thus limiting or avoiding any damage that might be caused by the event. The diode then absorbs the energy, and releases it in a steady and controllable flow.The MSMBG28A is extremely reliable and can withstand a surge energy of up to 100A@ 10/1000 µs -10/1000 µs. It also has excellent clamping characteristics and a low breakdown voltage (VBR) of 12 V. Additionally, the diode has a very high peak pulse current of 40A and a peak pulse power rating of 400W. This makes it an ideal solution for protection against voltage transients.Overall, the MSMBG28A TVS diode is an ideal choice for protecting signal lines from voltage transients due to its wide range of uses and reliable performance. It helps protect against a variety of events such as short-duration electrical over-voltage, induced noise, and lightning transients. The device is also able to provide a continuous flow of current release in a controlled fashion, which helps to avoid any potential damage caused by the event. Additionally, the diode has a high peak pulse current and power rating, making it one of the best solutions for transient voltage suppression.

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