3361S-1-203GLF

Series:	Trimpot® 3361 - Sealed
Packaging:	Tape & Reel (TR)
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Resistance:	20 kOhms
Power (Watts):	0.5W, 1/2W
Tolerance:	±10%
Temperature Coefficient:	±100ppm/°C
Number of Turns:	1
Adjustment Type:	Side Adjustment
Resistive Material:	Cermet
Mounting Type:	Surface Mount
Termination Style:	Gull Wing
Size / Dimension:	Rectangular - 0.264" x 0.290" Face x 0.290" H (6.71mm x 7.37mm x 7.37mm)

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Introduction to Trimmer Potentiometers
Trimmer potentiometers, also known as trimmer pots or trimpots, are miniature devices used to adjust circuit parameters such as gain, frequency, and offset voltages. Trimmer potentiometers take advantage of the same basic technology as standard potentiometers, but are much smaller in size. The value of the adjustment that they provide is specified on the pot, and the user simply turns the knob to adjust the circuit parameters. Trimmer potentiometers are ideal for a number of applications, particularly where adjustable precision is required.
3361S-1-203GLF Trimmer Potentiometers
The 3361S-1-203GLF is a single-turn trimmer potentiometer from industrial components manufacturer Bourns. It is a 3361S series trimmer potentiometer, and is a miniature version of the company\'s standard 3361 family of trimmer pots. The 3361S-1-203GLF consists of a ceramic element and a plastic element, including a knob. The 3361S-1-203GLF has a value of 203 Ω ± 10%, and a maximum of 0.25 W. It can be used in temperatures ranging from -55°C to 85°C.
Applications
In general, trimmer potentiometers are used in a wide variety of applications. Some of common uses include adjusting the gain of an amplifier, adjusting the frequency of an oscillator circuit, setting the voltage offsets of a power supply, adjusting the resistance of a voltage divider, and as part of a feedback circuit in a control system. The 3361S-1-203GLF trimmer potentiometer is useful in any of these applications, due to its precision and its small size. In addition to these general use, this specific trimmer pot is often used in industrial measurement and control applications, due to its compact size and long-term stability.
Working Principle
Trimmer potentiometers work on the same basic principle as standard potentiometers. In both cases, a moving contact, or wiper, moves over a resistive element. The resistance between the moving contact and one end of the element is varied as the contact moves, and this change in resistance can be used to adjust the output of the device. The key difference between standard and trimmer potentiometers is that trimmer potentiometers require that the moving contact be adjusted manually, while standard potentiometers can be adjusted remotely or automatically.
Conclusion
The 3361S-1-203GLF trimmer potentiometer is an excellent choice for applications that require precision and adjustable resistance. Its small size makes it perfect for use in industrial measurement and control applications, and it is capable of providing a wide range of resistances in a range of temperatures. Its basic operating principle is the same as that of a standard potentiometer, but its manually adjustable design makes it particularly suited for industrial applications.

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