SM4A104

Series:	SM4
Packaging:	Bulk
Lead Free Status / RoHS Status:	--
Part Status:	Obsolete
Moisture Sensitivity Level (MSL):	--
Resistance:	100 kOhms
Power (Watts):	0.25W, 1/4W
Tolerance:	±10%
Temperature Coefficient:	±100ppm/°C
Number of Turns:	12
Adjustment Type:	Side Adjustment
Resistive Material:	Cermet
Mounting Type:	Surface Mount
Termination Style:	J Lead
Size / Dimension:	Rectangular - 0.193" x 0.146" Face x 0.146" H (4.90mm x 3.70mm x 3.70mm)

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

Trimmer Potentiometers - SM4A104 application field and working principle

Trimmer potentiometers are a type of adjustable resistor used for calibration, trimming or adjusting voltage or resistance in electronic circuits. They are also commonly referred to as “pots” or “potsies”. These adjustable resistors are often found in devices for volume control, frequency adjustment, and signal conditioning.The SM4A miniaturized 2- and 3-terminal trimmer potentiometer is a precision, low-ratio variable device which is ideally suited for all types of miniature circuits. Because of its unique construction, the SM4A trimmer offers an extremely high self-capacitance and superior linearity over a wide range of resistance values.The SM4A is a single-piece, singleshielded, single-sensor type trimmer. It has a variety of switches which are available depending on the requirements of the application. The switch is typically used to adjust the resistance range, such as from 10 ohms to 1 megaohm. The typical resistance range of the SM4A is 1 ohm to 100 K-ohms.The SM4A can be used in many applications such as automotive, medical and various industrial applications. Because of its small size, low-profile, and superior linearity, it is ideal for use in tight spaces or difficult to reach areas.The SM4A trimmer works by using a series of contacts to change the effective resistance. Each contact is connected to a semiconductor element, which can be changed by adjusting the knob or switch. As the set-up lever is rotated, the contacts change position and the resistance of the device changes in response. The contacts are interconnected, so the resistance between any two of them is the total resistance of all the contacts in between, such as 10 ohms on the first contact, 20 ohms on the second contact and 30 ohms on the third contact connected in series, will result in a total resistance of 60 ohms.The typical accuracy of the SM4A is +/- 10%, with a max operating voltage of 35V. It is available in 4 different resistance values, 16-position, 11-position, 8-position and 4-position, with a max wattage rating of 0.25W panel mount.The SM4A offers the user a simple and reliable solution for a wide variety of applications. It is very easy to install and comes with pre-cut holes for pick-and-place mounting. It is a cost effective and reliable choice for laboratories, manufacturing, educational, and general industrial application.

The specific data is subject to PDF, and the above content is for reference

Part Number	Manufacturer	Price	Quantity	Description