BPMA385D500LV

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The BPMA385D500LV is part of the Transient Voltage Suppressor (TVS) family. More specifically, it belongs to the Varistors, MOVs category. Varistors, MOVs are devices designed to protect electronics from faulty power surges, otherwise known as transients. Transient Voltage Suppressors of this type are designed to enable power systems to quickly detect and suppress excursions of voltage and current. Such systems are useful in applications such as overvoltage and reverse voltage protection.

The BPMA385D500LV is a type of Varistor, MOV. It works by diverting energy away from the circuit within a given time frame, thus preventing permanent damage to any components further down the line. The device accomplishes this feat through a key characteristic, known as “clamping”. This is the process of limiting the voltage across a circuit to a predetermined safe value.

The particular Varistor, MOV that is the BPMA385D500LV can support 500V clamping. This indicates that it is capable of handling spikes up to 500 volts. This value is known as the Holding Voltage, and is an important specification for such devices. Beyond its clamping capability, the BPMA385D500LV also carries a DC working voltage rating of 385V, a peak pulse current rating of 150A, and a Response Time rating of 17 nanoseconds. These attributes combined make the BPMA385D500LV a suitable choice for numerous power system applications.

Some of the applications that can take advantage of the BPMA385D500LV’s features include: touch panels, mobile phone chargers, computers, digital cameras, industrial and automotive control systems, as well as applications where high frequency noise is present. As can be seen, this device is suitable for many different applications, and has the capability to protect sensitive electronics.

The BPMA385D500LV device is based upon the principles of metal oxide film varistor (MOV). Its construction consists of zinc oxide particles held in a ceramic binder and mixed with other conducting metals. Each of these materials are held and electrically insulated between two conducting plates. The MOV operates by changing its resistivity as its applied voltage changes, allowing it to clamp and divert transient currents. This type of MOV also benefits from having a low, self-discharge (<1V) when no transient is present, which increases the lifespan of the device.

In conclusion, it is clear that the BPMA385D500LV is an effective Transient Voltage Suppressor, and is capable of providing long-term protection from dangerous power surges in a wide range of application scenarios. Its features include a 500V clamping capability, a DC working voltage rating of 385V, a peak pulse current rating of 150A, and a Response Time rating of 17 nanoseconds. Collectively, these features make it an ideal choice for a number of different applications, from touch panels to industrial and automotive control systems.

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