KNP2WSJR-73-110R

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Through Hole Resistors, also known as Voltage Regulation Devices and Metal Oxide Resistors, are popularly used in many electronic and electrical applications. The KNP2WSJR-73-110R is a significant member of this category. Let us now have a closer look into the application field and its working principle.

Application field
The KNP2WSJR-73-110R is a compact Through Hole Resistor designed to regulate voltage in a wide range of applications. It is used in power supplies, control systems, and for use in consumer electronics such as portable DVD players, MP3 players, and laptops. It is also suitable for a range of other electronic and electrical appliances, where providing an extremely stable voltage range and nominal resistance is essential.

The KNP2WSJR-73-110R comes with a wide input voltage range, up to 110 VAC or DC and a high output voltage range up to 45 VAC or DC. This voltage regulation device is enclosed in an epoxy-coated plastic enclosure to ensure a long and reliable life span. It is rated for continuous operation at 1000 Watts and withstands surges up to 3000 Watts.

Working Principle
The KNP2WSJR-73-110R voltage regulator is a typical three-terminal solid-state device designed to provide a highly stable voltage output over a wide range of input voltages and loads. It typically includes a reference diode, a five-pin amplifier, and a bandgap reference, which is responsible for providing a stable reference for the output voltage.

The reference diode produces a reference voltage on the amplifier by comparing the input AC voltage with the reference voltage. The bandgap reference sets the device’s output voltage via an internal reference voltage. The amplifier then uses these reference voltages to compare the output voltage to the input voltage and provide a difference in voltage. The amplified difference signal is then used to drive the output transistors, which are responsible for providing the output voltage.

The KNP2WSJR-73-110R also features active current limit and active short-circuit protection features, which protect the device from damage when it is exposed to short circuits or over-currents. Its integrated thermal shutdown feature ensures that it does not overheat when operating at higher voltages or in extreme temperatures.

The KNP2WSJR-73-110R is a technologically advanced Through Hole Resistor designed to effectively regulate voltages in a wide range of applications. Its rugged construction and integrated features make it a reliable and dependable solution for a variety of electronic and electrical needs. Its wide input and output voltage range make it an ideal choice for regulating complex power supplies in a single device.

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