78LR5KLF

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Introduction

A trimmer potentiometer, or trimmer, is a type of adjustable electrical component, usually used to set or adjust the light intensity, resistance and voltage in different circuits. The 78LR5KLF is a trimmer potentiometer designed to offer a better solution to low profile circuit applications. It has a temperature rating of 85°C, low profile tolerance and wide adjustment angle.

Application Field

The 78LR5KLF trimmer potentiometer can be used in a variety of low profile circuits, including :

• Inverters
• LED dimmers
• Voltage regulators
• High side switches
• CMOS high side switches
• High power resistors
• Data and audio amplifiers
• Vibration detection circuits

The 78LR5KLF is ideal for applications where a low profile circuit is needed, or in a situation where space is limited and a regular size trimmer potentiometer cannot be used. This trimmer potentiometer is also suitable for applications which require an adjustable voltage or current to ensure a precise finished product.

Working Principle

A trimmer potentiometer works by providing adjustable resistance to a circuit. Unlike a regular potentiometer, which is adjusted using a knob or shaft, a trimmer is adjusted using a small screwdriver. Continuing to turn the screw in the same direction increases the resistance, while reversing direction decreases resistance.

The 78LR5KLF trimmer potentiometer has a top-mounted screw, meaning that turning it clockwise increases the resistance, while turning it counter clockwise will decrease the resistance. This allows for precise adjustments to the circuit, allowing for the desired voltage or current to be reached.

The 78LR5KLF also has a wide adjustment angle, meaning that even the smallest differences in resistance can be detected and adjusted. This prevents the circuit from oscillating or becoming unstable due to a lack of precision.

Conclusion

The 78LR5KLF trimmer potentiometer is a highly accurate and reliable component, making it ideal for use in circuits where low profile and space is at a premium. It is also suitable for applications where high precision adjustments are required, allowing for exact voltage or current levels to be maintained. The range of applications in which it can be used makes it an invaluable component for both amateur and professional electronics engineers.

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