3296W-1-201LF

3296W-1-201LF

Part Number: 3296W-1-201LF

Manufacturer: Bourns

Description: Trimmer Resistors – Through Hole 3/8IN 200 OHM Sealed Vertical Adjust

Shipped from: Shenzhen/HK Warehouse

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Technical Specifications of 3296W-1-201LF

Datasheet  3296W-1-201LF datasheet
Category Potentiometers, Variable Resistors
Family Trimmer Potentiometers
Manufacturer Bourns Inc.
Series Trimpot? 3296 – Sealed
Packaging Tube
Part Status Active
Resistance (Ohms) 200
Power (Watts) 0.5W, 1/2W
Tolerance ±10%
Temperature Coefficient ±100ppm/°C
Number of Turns 25
Adjustment Type Top Adjustment
Resistive Material Cermet
Mounting Type Through Hole
Termination Style PC Pins
Size / Dimension Rectangular – 0.375″ x 0.190″ Face x 0.395″ H (9.53mm x 4.83mm x 10.03mm)

3296W-1-201LF Description

The Bourns 3296W-1-501LF is a sealed trimmer potentiometer that meets certain MIL-STD specifications. The multiturn potentiometers come in a selection of resistances between 10 and 2 M. The 3296W-1-501LF has an infinite resolution and a 1% or 2% absolute minimum resistance.

The potentiometers have a flat head screw and come in a through-hole package with a pin spacing of 2.54 mm. The 3296W-1-501LF can work in temperatures ranging from -55 degrees to +125 degrees, has a rotational life of 200 cycles, and can withstand 900 volts of alternating current (VAC) at sea level but only 350 volts at an altitude of 70,000 feet.

Key Features

● It has a resistance variety of 10 to 2 M.

● At least 1% of the range in resistance is required.

● The design incorporates a through-hole seal.

● Allows for use between -55 degrees and +125 degrees Celsius.

General Applications

  • Circuit pre-set
  • General purpose

Product Technical Specifications

Automotive No
PPAP No
Tolerance 10%
Power Rating (W) 0.5 (1/2)
The Highest Temp It Can Handle 125
The Coefficient of Temperature (in ppm per degree Celsius) ±100
Linear or Logarithmic Lin
Termination Style Pin
Positions of Adjustment Top
Shaft Diameter (mm) 2.19
Number of Turns (Turns) 25(Elec)
Number of Elements 1
Electrical Rotation (°) 9000
Automaton-like Existence Without a Soul (Cycles) 200
Packaging Tube
Product Length (mm) 9.53
Product Depth (mm) 4.83
Product Height (mm) 11.55
Product Weight (g) 0.85
Mounting Through Hole

What is a Trimmer Resistor

You can adjust the resistance level in a circuit with the help of a trimmer resistor, also known as a trim pot or a variable resistor. Typically employed to adjust the output of a circuit to as close to the optimum level as is feasible, they find widespread use in the calibration of electronics such as amplifiers and radios. In this in-depth guide, you can learn about the inner workings of a trimmer resistor, how they’re made, and how to use them in your projects.

What is a Trimmer Resistor?

The resistance of a trimmer resistor can be “trimmed” to a precise value by rotating a screw. Because of its versatility, this resistor type is frequently employed in circuits. Typically, a screwdriver or other tool turns a dial or knob on the device to make the desired change.

Trimmers can be top-adjusted or side-adjusted, with single or several turns. You can utilize automated test equipment (ATE) with multi-turn trimmers and get trimmers with anti-rotation capabilities to save you from mistakenly adjusting them.

Adjustments during production, or compensating for the influence of manufacturing tolerances over the product’s operational life, are common uses for trimmer resistors.

Trimmer Resistor Working Principle

This resistor has a straightforward operating principle. A thin layer put on an insulator serves as the resistance element. A current can flow through the thin film if the contact end is pushed against the external connection pin, but not otherwise.

How are Trimmer Resistors Used?

Most commonly, trimmer resistors are employed when the precise resistance value of a component is either unknown or cannot be verified before assembling and powering on the circuit. The resistance value of a resistor may need to be changed, for instance, if an amplifier is added to a circuit to eliminate static or other unwanted sounds.

Advantages

Among the benefits of using a trimmer resistor are those listed below.

● These resistors’ primary benefit is the accuracy they provide.

● Miniature and highly adaptable.

● The resistance value can be attained to an extremely high degree of precision.

● Superior values of resistance and tolerance.

● The resistance can be changed at any time while the circuit is operating.

● They are durable and resistant to extreme temperatures.

● Compared to other types of adjustable resistors, trimmer resistors are inexpensive and may be adjusted without additional equipment.

Disadvantages

The following are some problems that can arise while using a trimmer resistor.

● Because their power rating is often less than 1 watt, these are unsuitable for demanding applications.

● Since the resistor might be damaged through overly frequent modification, only trained persons should make adjustments.

● As an added downside, there is no way to secure the resistance setting.

● Another drawback is that they require a screwdriver for adjustment, which isn’t as user-friendly as a panel control knob.

Trimmer Resistor Applications

As an example of trimmer resistors’ many uses, consider the following.

  • Among trimmer resistors and trimpots, the one-turn trimmer potentiometer is the most prevalent. It’s because they’re so convenient and compact.
  • Trimpots are used in electrical circuits to alter light brightness or audio loudness.
  • These have several applications and are used as voltage dividers where the voltage can be adjusted. An electronic TV tuner is one example. A voltage is applied to the tuner from a signal generator as the channel is changed.
  • Stereos and radios are just two examples of audio technology that can benefit from this technology. By adjusting the value of this resistor, listeners can tailor the music to their personal preferences in terms of bass and treble.
  • They also find applications in medical devices, such as dialysis machines, where they can offer accurate readings of fluid levels.
  • These adjust the resonance frequency of inductors and capacitors in RF systems. Amplifiers, oscillator gain, and phase shift tuning may also benefit from their use.
  • Transmission line impedance matching is yet another application.

Final Thoughts

Bourns’ 3296W-1-501LF potentiometer is built for precise resistance calibration and functional optimization. The rated power consumption of this component is 0.5 (1/2) W.

The resistance of this item is 500 ohms. The coefficient of temperature change is -100 ppm/°C. To prevent damage to the goods during delivery, it is sold in tubes. Technology based on ceramics is used in this apparatus. This item measures 9.53 mm in length, 11.55 mm in height, and 4.83 mm in depth. The pin termination style is used for the 3296W-1-501LF. The operating range of this component is between -55 and 125 degrees Celsius. A 10% margin of error is allowed.

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