OK3025E-R52

Series:	Little Rebel® OK
Packaging:	Tape & Reel (TR)
Part Status:	Active
Resistance:	3 kOhms
Tolerance:	±5%
Power (Watts):	0.25W, 1/4W
Composition:	Carbon Film
Features:	--
Temperature Coefficient:	-450ppm/°C
Operating Temperature:	--
Package / Case:	Axial
Supplier Device Package:	Axial
Size / Dimension:	0.098" Dia x 0.268" L (2.50mm x 6.80mm)
Height - Seated (Max):	--
Number of Terminations:	2
Failure Rate:	--

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Introduction
Through hole resistors have been used extensively in a wide variety of applications for many years. They provide a simple and cost-effective way to reduce the effect of resistance on power consumption or to regulate the flow of power in circuits. One of the most popular through hole resistors is the OK3025E-R52, which offers a wide range of benefits and is suitable for many applications.
Working Principle
The OK3025E-R52 is a through hole resistor, which means it is designed to be mounted directly on a printed circuit board (PCB). It consists of a resistor element, typically made from metal film or carbon composite, encased in a robust encapsulation. The resistor element is then connected to the board through two or more holes, called pins, which are filled with solder. The resistor element and pins are protected by the encapsulation from exposure to potentially damaging external sources, such as heat, humidity, and corrosion.
When electricity passes through the pins of the OK3025E-R52, a voltage drop occurs across the resistor element. This voltage drop is proportional to the amount of resistance applied. Depending on the need of the application, the amount of resistance can be adjusted by simply changing the material and size of the resistor element. This makes the OK3025E-R52 ideal for applications which require the resistance of the circuit to be changed quickly and easily.
Applications
The OK3025E-R52 is commonly used in low power and high current applications. It is often used in the automotive industry, where it is connected to small current sensing devices in the car’s electrical system, such as spark plugs or distribution switches.In the home appliance industry, the OK3025E-R52 is often used to regulate the flow of electricity in electric motors, ovens, and refrigerators. It is also used in audio and video equipment, such as receivers, amplifiers, and speakers.Finally, the OK3025E-R52 is often used in the medical industry, where it is used to regulate the current passing through medical equipment, such as ECG machines and anesthesia machines.Construction
The OK3025E-R52 is constructed with a metal oxide film, which provides a long-term reliable operation and a high resistance tolerance of up to 10%. The element has an axial lead and four spoke-type under legged pins for secure bonding to the board. The entire package is encased in a robust polyester resin, which provides good protection against moisture and dirt.Conclusion
The OK3025E-R52 is a popular through hole resistor and is commonly used in a range of applications. Its axial lead and spoke-type under legged pins provide a reliable connection to the board while the polyester resin provides excellent protection against dirt and moisture. The metal oxide film allows for a high resistance tolerance and a long-term reliable operation. Its wide range features make it suitable for a variety of applications, from automotive to home appliance and medical.

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Part Number	Manufacturer	Price	Quantity	Description