1211P502

Series:	1211
Packaging:	Tube
Lead Free Status / RoHS Status:	--
Part Status:	Obsolete
Moisture Sensitivity Level (MSL):	--
Resistance:	5 kOhms
Power (Watts):	0.75W, 3/4W
Tolerance:	±5%
Temperature Coefficient:	±50ppm/°C
Number of Turns:	22
Adjustment Type:	Side Adjustment
Resistive Material:	Wirewound
Mounting Type:	Chassis Mount
Termination Style:	PC Pins
Size / Dimension:	Rectangular - 0.323" x 0.276" Face x 1.252" L (8.20mm x 7.00mm x 31.80mm)

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Introduction to Trimmer Potentiometers

Trimmer Potentiometers are one of the most versatile and popular electronic components used in various applications including audio volume control, steering angle adjustment, and speed control. In this article, we will introduce 1211P502 Trimmer Potentiometer, its application field, and working principle.

1211P502 Trimmer Potentiometer Overview

1211P502 Trimmer Potentiometer is a three-terminal adjustable resistor with a continuous rotary knob which is commonly used to control the electric signals from the primary circuitry between two resistive elements. It has a small form factor with a standard foot-print of 12mm x 11mm, enabling it to be used in space-limited applications. The device has a Mono-adjustable version and a Dual-adjustable version with its output resistance adjustable from 50Ω/100Ω to 1KΩ/2KΩ. The 1211P502 is built with a rotary knurled-edge for quickly and accurately adjusting the resistance. The rotating angle of the potentiometer can reach +/-12° and its solder-ability can reach above minor 3. It is equipped with a plastic case, a threaded bushing, and a seeved insulator.

Application Field of 1211P502 Trimmer Potentiometer

1211P502 Trimmer Potentiometer is commonly used in industrial controls and communication markets due to its small form factor and high accuracy. It is widely used in switching power supply, backlight dimming, intelligent home controls, battery monitoring, and other related applications.

Working Principle of 1211P502 Potentiometer

The 1211P502 Trimmer Potentiometer works by allowing the user to adjust the resistance between three terminals. The first terminal is connected to ground, the second is connected to the wiper, and the third terminal is connected to the output terminal. By manually adjusting the knob, the user can regulate the voltage that will be sent to the output terminal, which eventually controls the amount of electric current flowing through the resistor.

Conclusion

The 1211P502 Trimmer Potentiometer is a small, rugged, and popular electronic component used in several application fields from dimming backlights to communications. It is able to read an analog voltage signal, maintain a consistent output, and provide precise controls with a +/-12° rotation angle. Besides its small size, the 1211P502 potentiometer is also relatively cost-effective for its quality and durability.

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