Allicdata Part #: | 3352H-1-205LF-ND |
Manufacturer Part#: |
3352H-1-205LF |
Price: | $ 0.74 |
Product Category: | Potentiometers, Variable Resistors |
Manufacturer: | Bourns Inc. |
Short Description: | POT 2.0M OHM THUMBWHEEL CERM ST |
More Detail: | 2 MOhms 0.5W, 1/2W Through Hole Thumbwheel Potenti... |
DataSheet: | 3352H-1-205LF Datasheet/PDF |
Quantity: | 1000 |
Lead Free Status / RoHS Status: | Lead free / RoHS Compliant |
Moisture Sensitivity Level (MSL): | 1 (Unlimited) |
500 +: | $ 0.67032 |
Specifications
Series: | Trimpot® 3352 - Open Frame |
Packaging: | Bulk |
Lead Free Status / RoHS Status: | -- |
Part Status: | Active |
Moisture Sensitivity Level (MSL): | -- |
Resistance: | 2 MOhms |
Power (Watts): | 0.5W, 1/2W |
Tolerance: | ±20% |
Number of Turns: | 1 |
Adjustment Type: | Side Adjustment |
Size / Dimension: | Round - 0.350" Dia x 0.350" H (8.89mm x 8.89mm) |
Termination: | PC Pins |
Mounting Type: | Through Hole |
Description
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Thumbwheel Potentiometers
A thumbwheel potentiometer is an electronic device which utilizes a mechanical arrangement of castellated wheels, commonly referred to as “thumbwheels”, in order to generate a variable resistance. This type of potentiometer is primarily used for electronic control purposes, to monitor and adjust control functions of various ac cells, motors and even light.The 335H-1-205LF thumbwheel potentiometer, for example, is specifically designed to offer a very high level of accuracy, low-temperature stability, and a choice of electrical properties. This type of potentiometer comes with adjustable current ratings, linearity and contact gaps, and a choice of up to 56-turns.The 335H-1-205LF is ideal for applications where space is limited, specifically in instrumentation, automated test equipment, medical equipment, and other electrical control systems that require a variable resistance. When connected to a power supply, the thumbwheel is able to modify the resistance across any of its 3 terminals: series, parallel and ground. The current will then flow between the series and parallel terminals, with the ground terminal functioning as a reference.The 335H-1-205LF can be used in both AC and DC circuits. When it is used in an AC circuit, the resistance generated is usually more consistent due to the alternating current, whereas in a DC circuit, the resistance is more variable due to the fact that the thumbwheel has to be adjusted manually.The thumbwheel is connected to two terminal contacts on the surface of the pot-core and is turned by hand to generate different resistances. This operation is referred to as “mechanical moderation” in terms of potentiometry, and is used to adjust voltage, current, and even temperature.The 335H-1-205LF is also known for its superior low-temperature stability and noise immunity. It can withstand temperatures as low as -40 °C without any discernible change in resistance or electrical characteristics.In conclusion, the 335H-1-205LF thumbwheel potentiometer is an ideal device for controlling and monitoring functions in instrumentation, automated test equipment, medical equipment, and other electronic control systems. It is highly accurate, low-temperature stable, and provides a choice of electrical properties.The specific data is subject to PDF, and the above content is for reference
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