3345W-1-102

Series:	Trimpot® 3345 - Sealed
Packaging:	Bulk
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Resistance:	1 kOhms
Power (Watts):	1W
Tolerance:	±5%
Temperature Coefficient:	±50ppm/°C
Number of Turns:	1
Adjustment Type:	Side Adjustment
Resistive Material:	Wirewound
Mounting Type:	Through Hole
Termination Style:	PC Pins
Size / Dimension:	Rectangular - 0.450" x 0.525" Face x 0.525" H (11.43mm x 13.34mm x 13.34mm)

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Trimmer Potentiometers: 3345W-1-102 Application Field and Working Principle

Trimmer potentiometers are a type of preset variable resistor, usually used for factory and in-field adjustment. They are utilized in a wide array of devices from medical and industrial equipment to consumer electronics. 3345W-1-102 is one of the popular trimmer potentiometers due to its feature-rich design and high performance. This article will explain its application field and working principle.

Application Field

3345W-1-102 is mainly used in medical instrument and field jam test. It has the capability of jam resistance in high temperature and environment. It is widely employed as a component in the core of electrocardiograph, patient monitor, fusion splicer, elettrophoresis apparatus , and many other medical devices. It is also applied to home appliances like coffee makers, electric ovens, and vacuum cleaners due to its high stability and reliability.

Working Principle

Trimmer potentiometers typically consist of a stationary winding and movable winding. 3345W-1-102 uses standard linear topology, thus its numeric value is determined by the ratio of the stationary to movable windings, not the total winding resistance.When the movable winding is moved, the contact between the stationary and movable windings is adjusted. As the contact position is changed, the total resistance changes too. By controlling the position of the movable winding, the user can adjust the value of the resistance.The temperature stability of 3345W-1-102 is as high as 0.1%/°C. It offers very tight resistance tolerance from ±5% to ±15%. The device also offers wire connection and a built-in spring for easy assembly.

Conclusion

In conclusion, the 3345W-1-102 trimmer potentiometer is a feature-rich component used in a wide array of applications. It is suitable for medical instrument and field jam tests. The device has a linear topology and uses a stationary and movable winding to adjust its resistance. It is temperature stable and offers tight tolerance. Overall, the 3345W-1-102 is a reliable and high performance trimmer potentiometer.

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