1211PB103

Series:	1211
Packaging:	Tube
Lead Free Status / RoHS Status:	--
Part Status:	Obsolete
Moisture Sensitivity Level (MSL):	--
Resistance:	10 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:	Panel Mount, Through Hole
Termination Style:	PC Pins
Size / Dimension:	Rectangular - 0.413" x 0.346" Face x 1.390" L (10.50mm x 8.80mm x 35.30mm)

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Trimmer Potentiometers

Trimmer potentiometers, often referred to as trimmers, are potentiometers which are adjustable over a limited range and have a fixed maximum resistance. The 1211PB103 is a trimmer potentiometer type which offers higher precision and long life than traditional trimmer pots.

Application Field

The 1211PB103 is generally used in the electronics industry for various applications. These range from adjusting the output power of an amplifier, to adjusting the gain in motor systems, to tuning sound levels in a loudspeaker system, to adjusting the input/output voltages in datacenter circuits, and so on.

Working Principle

The 1211PB103 works on the principle of resistance. The trimmer potentiometer has three terminals, one for voltage input, one for voltage output and the third for the reference voltage. When a voltage input is applied, the resistance between the voltage input and the voltage output terminals changes.When the reference voltage is applied to the third terminal, the resistance between the voltage input and output terminals increases or decreases. This changes the voltage output. This resistance-dependent voltage variation can be used to adjust the output of an amplifier, or to tune sound levels in a loudspeaker system, or to adjust gain in a motor system.The 1211PB103 also features a locking mechanism known as a ‘snap-lock’ which helps to avoid accidental adjustments, ensuring higher precision and longer life. This \'snap-lock\' locks the pot in place when it reaches a certain amount of torque, and prevents further adjustments.

Benefits of 1211PB103

The 1211PB103 is so robust and reliable that it is widely used in the electronics industry. Here are some of the advantages:• Longer lifetime: The 1211PB103 provides a longer lifetime than ordinary trimmer potentiometers due to the ‘snap-lock’ mechanism.• Higher precision: The 1211PB103 provides high precision due to its resistance-dependent voltage variation and tighter tolerance than regular trimmer pots.• Versatility: The 1211PB103 is suitable for a variety of uses, from adjusting the gain in motor systems to adjusting the sound levels in loudspeaker systems.• Reliability: The 1211PB103 provides excellent reliability ensuring greater accuracy and fewer failures.

Conclusion

The 1211PB103 is an extremely versatile trimmer potentiometer equipped with a locking mechanism which allows for more precise adjustments and maximizes lifetime. It is used in various applications, from adjusting the output power of an amplifier, to adjusting the gain in motor systems, to tuning sound levels in loudspeaker systems, and so on. The 1211PB103 is a reliable, efficient and cost-effective solution for many electronic applications.

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