D12K4K0E

Series:	Dividohm®210
Packaging:	Bulk
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Resistance:	4 kOhms
Power (Watts):	12W
Tolerance:	±10%
Adjustment Type:	Slide
Diameter:	0.313" OD, 0.187" ID (7.94mm x 4.76mm)
Length:	1.750" (44.45mm)
Mounting Type:	Chassis Mount
Termination:	Solder Lug
Package / Case:	Radial, 3 Lead, Tubular

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Adjustable Power Resistors `D12K4K0E` are a type of adjustable power resistor that can be used in a variety of applications to provide adjustable power resistance for a range of tasks. These resistors are specifically designed for use in power-supply based systems and are suitable for applications such as power regulation, LED lighting, and power conversion.What Is a D12K4K0E?The D12K4K0E is a special type of adjustable power resistor designed for use in applications where the available power needs to be adjustable to meet particular requirements. The device is constructed from a special type of ceramic resistive element, known as a positive temperature coefficient (PTC). This element is designed so that its resistance gradually increases as the temperature of the PTC increases, and vice versa.The D12K4K0E is a four-terminal, fixed-resistor configuration which is available in three different values - 100, 200, and 400. As the resistance value increases, so does the maximum voltage rating, allowing it to be used in applications with higher power requirements.Application Field and Working PrincipleThe D12K4K0E is suitable for any application requiring adjustable power regulation, such as in power supplies, LED lighting, or AC/DC conversion. By using the device’s PTC-based resistive element, the user can configure the resistance value to achieve the desired current regulation.The working principle behind the D12K4K0E is fairly simple. As the temperature of the PTC increases, the resistance of the device will increase. Conversely, as the temperature of the PTC decreases, the resistance of the device will decrease. This allows the user to adjust the resistance value of the resistor to suit the application requirements.The D12K4K0E also contains a terminal temperature control unit (TCU), which allows the user to adjust the voltage rating of the device. This is particularly useful in high-power applications, where the resistance must be adjusted to maintain the desired voltage.The device is designed with a low-power, low-temperature design, making it suitable for use in a wide range of applications. The D12K4K0E is also designed with an ARI Auto Restart feature, which automatically reactivates the power supply after a short or prolonged power failure.ConclusionThe D12K4K0E is an excellent adjustable power resistor, designed for use in a variety of applications. Its positive temperature coefficient (PTC) resistive element allows the user to adjust the resistance of the device to suit the requirements of the application. The device is also designed with a low-power, low-temperature design, and is equipped with an ARI Auto Restart feature. All of these features combine to make the D12K4K0E an ideal choice for applications requiring adjustable power regulation.

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