409HA502M

Series:	409, Citec
Packaging:	Bulk
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Resistance:	5 kOhms
Power (Watts):	0.5W, 1/2W
Tolerance:	±20%
Temperature Coefficient:	±250ppm/°C
Number of Turns:	1
Adjustment Type:	Top and Bottom Adjustment
Resistive Material:	Cermet
Mounting Type:	Through Hole
Termination Style:	PC Pins
Size / Dimension:	Rectangular - 0.453" x 0.346" Face x 0.244" H (11.50mm x 8.80mm x 6.20mm)

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: 409HA502M Application Field and Working Principle

Trimmer Potentiometers (TRPs) are electronic components used to adjust the resistance in an electrical circuit. Primarily used for calibration, they are adjustable potentiometers which range from highly specialized low-power devices to large commercial units. One such commercial unit is the 409HA502M TRP, a four-terminal surface mount device used for setting startup conditions, controlling temperature, and other related uses. This article considers the applications and working principles of this TRP.

The Applications of the 409HA502M TRP

The 409HA502M TRP is a widely used low cost TRP device designed for a number of tasks. In particular, it is used for setting startup conditions, controlling temperature, and other related uses. This makes it an ideal component for a wide range of applications, from precision laboratory activities to industrial control circuits.Applications of the 409HA502M that benefit from its low cost include non-critical temperature sensing. For example, the device can be used to detect small temperature changes in order to adjust the position of electrical components such as tone or volume controls. It is also used in more demanding applications such as timer and frequency control in communications equipment, and in audio-video equipment for tuning, spacing, and frequency adjustment.

The Working Principles of the 409HA502M TRP

The 409HA502M TRP device commonly consists of a four-terminal panel mountable housing, with the terminals marked A, B, C, and D. Though it has four terminals, its operation is based on a three-terminal voltage divider circuit: with terminals A and B connected to the TRP input, and terminals C and D connected to the TRP output.In operation, the resistance between terminal A and B can be adjusted using a small knob on the outside of the housing. This changes the voltage drop between A and B, which in turn causes the voltage on C to change from the voltage on D, allowing for precise adjustments. Depending on the application, the voltage on C can be used to control current (in an adjustable voltage source), provide a reference voltage (in a regulated source), or provide a signal for control purposes.When properly calibrated, the 409HA502M can provide a very precise and repeatable adjustment of the voltage or current. It is also highly reliable; even in harsh industrial environments, it is designed to last for an extended period of time without exhibiting significant variance in performance.

Conclusion

The 409HA502M TRP is a low-cost, four-terminal surface-mount device used for setting startup conditions, controlling temperature, and other related uses.Though simple in operation, it is an extremely reliable and repeatable device whose applications range from precision laboratory activities to industrial control circuits. To obtain the most from the 409HA502M, it is important to understand both its application field, as well as its working principles.

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

Part Number	Manufacturer	Price	Quantity	Description