BSPM1347S2GR

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TVS - Varistors, MOVs, are a type of active protection device used to protect sensitive parts of electrical circuits from high voltage surges. TVS - Varistors, MOVs, are also known as surge protector devices or transorbs. The BSPM1347S2GR is a MOV type TVS (Transorbs) device used in applications that require protection from high voltage transient spikes and is designed for over-voltage and over-current circuit protection. This device is particularly suited for cable modem power supply lines, handheld or portable equipment, HVAC application, mobile communication equipment, and general automotive applications.

The working principle behind the BSPM1347S2GR TVS is that it is an overvoltage suppressor that includes a pair of zener diodes connected to a pair of TVS diodes in a back-to-back connection. The TVS diodes are configured in a voltage-dependent symmetrical current foldback arrangement that is triggered at preset high voltage threshold levels. When an overvoltage transient is applied to the circuit, the low forward voltage of the TVS diodes begin to conduct, allowing the initial high voltage transient to dissipate before the voltage can reach damaging levels. The current limiting capability of the BSPM1347S2GR works by shunting the initial high voltage transient current away from the circuit, thus protecting the underlying components.

The BSPM1347S2GR protective measure is based on a trip current limit feature which has been designed to limit the surge current to safe levels. This is done by temporarily causing the voltage across the device to rapidly decrease if the current through the device reaches a preset threshold level. This causes the current to decrease and the transient impulse to be attenuated before it can reach the underlying components and cause harm.

The BSPM1347S2GR is also designed with a clamping voltage feature. The device is designed to respond to higher transient voltages by quickly limiting the device voltage and thereby preventing over-voltage stress on the circuit. The device will also respond more quickly to high energy transients, such as those generated by line transients or ESD events, to provide fast and reliable protection. The result is a better balance between the protection of the underlying components of the circuit and efficient circuit performance.

The BSPM1347S2GR is a general purpose MOV type TVS device designed to protect circuits from high voltage transient spikes. It is designed to operate over a wide temperature range and can remain operational even in the harshest of conditions. The device provides fast response time and a high current capability, in addition to excellent performance under ESD events. The BSPM1347S2GR is also designed with a low capacitance to minimize loading effects on high frequency signals.

In summary, the BSPM1347S2GR TVS device is a general purpose protection device designed to provide reliable and efficient over-voltage and over-current protection for sensitive electronic circuits. This device provides fast response, high current capability, and a wide temperature range of operation. The clamping voltage feature ensures that overvoltage transients are safely limited, while the trip current mode helps to protect the device from over-current transients. The low capacitance of the device enables it to be used for high-frequency circuits without significantly impacting signal integrity.

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