
Allicdata Part #: | SM-3B500-ND |
Manufacturer Part#: |
SM-3B500 |
Price: | $ 1.67 |
Product Category: | Potentiometers, Variable Resistors |
Manufacturer: | Nidec Copal Electronics |
Short Description: | TRIMMER 50 OHM 0.125W SMD |
More Detail: | 50 Ohms 0.125W, 1/8W Gull Wing Surface Mount Trimm... |
DataSheet: | ![]() |
Quantity: | 1000 |
Moisture Sensitivity Level (MSL): | 1 (Unlimited) |
50 +: | $ 1.52624 |
100 +: | $ 1.46513 |
250 +: | $ 1.40410 |
500 +: | $ 1.15989 |
1000 +: | $ 1.09885 |
5000 +: | $ 0.91571 |
Series: | SM3 |
Packaging: | Bulk |
Moisture Sensitivity Level (MSL): | -- |
Part Status: | Active |
Resistance: | 50 Ohms |
Power (Watts): | 0.125W, 1/8W |
Tolerance: | ±20% |
Temperature Coefficient: | ±100ppm/°C |
Number of Turns: | 11 |
Adjustment Type: | Side Adjustment |
Resistive Material: | Cermet |
Mounting Type: | Surface Mount |
Termination Style: | Gull Wing |
Size / Dimension: | Square - 0.154" L x 0.154" W x 0.134" H (3.90mm x 3.90mm x 3.40mm) |
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SM-3B500 Application Field and Working Principle
Trimmer potentiometers are ideal in situations where a precise adjustment is required. The SM-3B500 is a fine example of this component. The SM-3B500 is a rotary trimmer potentiometer, which combines both an integrated circuit and a dual-in-line package (DIP) into one component. As such, it is suitable for direct connection into a circuit and offers a wide range of adjustment possibilities.
The SM-3B500 offers a 500R series resistance. Depending on the version, the resistance range available is from 10 to 500R. A three-terminal version also exists, with a variable resistance range from 10 to 400R. The SM-3B500 has a very small profile (only 3.2mm) and can be used in high temperature environments, with a temperature range of -55℃ to +125℃. The mounting type is horizontal or vertical and the SM-3B500 is suitable for automatic mounting.
The SM-3B500 is a widely used potentiometer and is designed for a variety of applications. It is suitable for use in audio and television applications, including the adjustment of channel, volume, contrast or brightness. It is also commonly found in radio communications, for the adjustment of frequency or gain. The SM-3B500 is also used to balance electrical circuits, as well as the trimming of photoelectric transducers and sensors.
The SM-3B500 operates through a resistive element, which is connected to a circular shaft of the potentiometer. The resistive element is composed of a finely bonded resistive film and surface of an insulator. The resistive element is usually circular in shape, to match the shape of the shaft. The resistive element is then connected to three contacts, which act as a variable resistor. When the shaft is rotated, the resistance of the resistive element changes, causing the output voltage to change. As the output voltage is changed, the resistance can be adjusted to the desired level.
The SM-3B500 comes in a two-terminal version and also in a three-terminal version. The two-terminal version has one pole for the resistive element and the other two terminals are for the connection to the circuit. The three-terminal version has two poles for the resistive element and the third terminal is used to balance the load across other components in the circuit.
The SM-3B500 offers flexibility for a wide range of applications and is extremely convenient for adjusting electrical circuits. The low profile design and temperature range make it ideal for use in a variety of high temperature environments. The SM-3B500 is an ideal component for anyone looking for a reliable and adjustable component.
The specific data is subject to PDF, and the above content is for reference
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