ST5ER101

Series:	ST5
Packaging:	Bulk
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Resistance:	100 Ohms
Power (Watts):	0.25W, 1/4W
Tolerance:	±10%
Temperature Coefficient:	±100ppm/°C
Number of Turns:	14
Adjustment Type:	Side Adjustment
Resistive Material:	Cermet
Mounting Type:	Surface Mount
Termination Style:	Gull Wing
Size / Dimension:	Square - 0.266" L x 0.236" W x 0.169" H (6.75mm x 6.00mm x 4.30mm)

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Trimmer Potentiometers

Trimmer Potentiometers, including ST5ER101, are adjustable resistors in which the electrical resistance is held between two fixed circuit points by a slider or spindle that moves across a resistance track. Potentiometers are connected between an input voltage and ground, and the output can be measured between either of these connections and the slider. The result is a three-terminal device with a variable output relative to the slider position.The ST5ER101 from Su\'s Tech is a 100kΩ low-temperature coefficient (TC) trimmer potentiometer. It features a mechanical travel of 270°, with full range of ±5% of the rated value, and accuracy of ±15% of full span. This trimmer has an operating temperature range of -25℃ to +85℃, and an operating life of 5,000 cycles. It is designed to replace bulky preset multi-turn potentiometers, with a simplified lower profile design.

Fields of Application

The ST5ER101 trimmer potentiometer is used in a variety of electronic equipment, including circuit control systems, telecommunications systems, and signal conditioning circuits. It is also used in various consumer products like audio equipment, electronic toys, and office equipment. This trimmer is used in a wide range of electrical and electronic products, including measuring and sensing systems, voltage and current stabilizers, rheostats, motor speed control systems, electronic gauges, and tachometers.

Working Principle

The working principle of the ST5ER101 trimmer potentiometer is based on the use of a movable wiper along a resistive track. When the wiper moves along the track, it changes the resistance between the two ends of the track and creates a voltage divider. The output voltage of this voltage divider is proportional to the position of the wiper. The slider is typically controlled by an external signal, such as a knob, a rotary switch, or even an electromechanical or digital device.The ST5ER101 has a temperature coefficient rating of 0.2%, so it can be operated in a wide range of temperatures as well as in inhospitable humid environments. The trimmer also has a power rating of 20mW and a maximum voltage of 16V. It can be powered both AC and DC. Furthermore, the ST5ER101 features a simplified lower profile design which is suitable for applications where physical space is limited.

Conclusion

The ST5ER101 trimmer potentiometer from Su\'s Tech is a reliable and accurate adjustable resistor. It is suitable for a wide range of applications, and its low-temperature coefficient and power rating make it an ideal choice for use in numerous electronic systems, communication systems, and consumer products. Its features, such as accuracy of ±15% of full span and a temperature coefficient rating of 0.2%, provide predictable performance in various operational conditions. The ST5ER101\'s simplified lower profile design provides further practicality and ease of use in crowded spaces and tight-fitting boards.

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