PTGL20AS470H0D02BZ

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Inrush Current Limiters, or ICLs, help reduce large and problematic inrush currents from entering a system, caused by electric motors, transformers, and other sources. The PTGL20AS470H0D02BZ, a type of ICL, is commonly used in situations where tight inrush control is required due to the presence of sensitive or critical system components.

An ICL essentially acts as a voltage-controlled switch, regulating current when it surges above a set threshold. ICLs do this by restraining current spikes, allowing only a predetermined, “safe” current to enter the system. Only when the surge ends and the current stabilizes do ICLs allow the normal current to flow.

The PTGL20AS470H0D02BZ is a popular option due to its slender size and dimpled mounting tabs. This makes it well-suited for applications where access is limited, such as in small enclosures or tight spaces. Additionally, the PTGL20AS470H0D02BZ is rated for temperatures up to +125 C, and has an exceptionally low resistance (<0.03ohms), allowing it to effectively dissipate heat.

The PTGL20AS470H0D02BZ is designed for use in a wide variety of applications, including power supplies, chargers, high/ low voltage transformers, LED lighting, as well as other systems with extreme current spikes. It is also particularly well-suited for locations where reference or control circuits contain sensitive microelectronics, such as in factory automation or in telecommunication networks.

The PTGL20AS470H0D02BZ works by employing a specific operating principle based on the behavior characteristic of a ferromagnetic core. The core drives the ICL’s behavior during start-up and shut-down phases. During a start-up, the ferromagnetic core is essentially permeable, allowing a high current to flow, but as the voltage starts to rise, the core slowly starts to saturate, thus reducing the current. When the voltage reaches a set level, the saturation of the core is complete, at which point the current begins to decrease. Once the current is reduced to a certain low level, the ferromagnetic core becomes permeable again and the current is allowed to increase.

Overall, the PTGL20AS470H0D02BZ is a small but powerful current limiters that provides fast response time and effective inrush control, and is suitable for use in a wide range of applications. With its compact design and efficient performance, the PTGL20AS470H0D02BZ is a great choice for those looking for fast and reliable current control.

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