Description

Here’s a detailed description for the 250K Ohm (250K) 1W 1% Axial Through Hole Resistor - MOF:

250K Ohm (250K) 1W 1% Axial Through Hole Resistor - MOF

The 250K Ohm (250K) 1W 1% Axial Through Hole Resistor - MOF is a high-precision, medium-power resistor that provides exceptional accuracy, stability, and reliable performance in a wide variety of electronic applications. Made from Metal Oxide Film (MOF) material, this resistor is designed to offer consistent resistance values, long-term durability, and excellent thermal properties. Below is an in-depth look at its key features and applications.

Resistance Value (250K Ohms):

With a 250K ohm (250,000 ohms) resistance value, this resistor is typically used in circuits requiring high resistance. Its high resistance makes it ideal for applications like voltage dividers, sensor interfacing, signal conditioning, and input stages of analog systems. The 250K ohm value is often selected in high-impedance circuits, where precision in signal handling, voltage reference, or current limiting is required. It ensures accurate voltage division and current regulation, especially in sensitive or low-power circuits.

Power Rating (1W or 1 Watt):

This resistor has a 1W (1 watt) power rating, meaning it can dissipate up to 1 watt of heat without failure. The 1W power rating makes it suitable for medium-power applications where moderate current is flowing through the resistor, such as in signal processing circuits, voltage regulation, and biasing networks. Its power rating ensures that it can handle the energy dissipated without excessive heating, maintaining stable resistance and performance.

Tolerance (1%):

The 1% tolerance ensures that the actual resistance value will be within ±1% of the nominal value of 250K ohms. This level of precision is crucial for circuits where small variations in resistance could impact circuit performance. The 1% tolerance makes this resistor a great choice for high-precision tasks like calibration, measurement equipment, and signal processing, where maintaining exact resistance values is essential to the circuit’s functionality.

Axial Through-Hole Mounting:

This resistor is designed with axial through-hole leads, which makes it easy to mount on PCBs (Printed Circuit Boards). The leads pass through holes in the PCB and are soldered on the opposite side, ensuring a strong electrical and mechanical connection. The through-hole design is widely used in both prototype boards and production designs because of its durability, ease of handling, and straightforward soldering process. It also facilitates easier repair or replacement compared to other types of mounting.

Material and Durability – Metal Oxide Film (MOF):

Constructed from Metal Oxide Film (MOF), this resistor offers superior stability, high voltage tolerance, and low noise characteristics compared to standard carbon film resistors. MOF resistors are known for their greater thermal stability and resistance to environmental factors, such as humidity and temperature fluctuations. This makes them ideal for high-reliability applications that need consistent performance over extended periods. The MOF construction ensures resistance stability and minimizes resistance drift over time, even under high-power or high-temperature conditions.

Applications:

• Voltage Divider Networks: The 250K ohm resistor is frequently used in voltage divider circuits where it divides an input voltage to produce a desired output voltage. Common uses include creating reference voltages for sensors, analog-to-digital conversion (ADC) interfaces, and voltage biasing in signal processing circuits. Its precise resistance value ensures stable voltage levels for downstream components, making it ideal for sensitive analog circuits.

• Signal Conditioning and Filtering: This resistor plays a key role in signal conditioning circuits, especially when used in RC (Resistor-Capacitor) or RL (Resistor-Inductor) filters. It is used to set specific frequency responses in audio systems, RF circuits, or communication devices. The 250K ohm value ensures that the filter circuit works within its optimal parameters, providing accurate filtering of unwanted signals or noise.

• Biasing Networks: In amplifiers, oscillators, or active filter circuits, the 250K resistor is used in biasing networks to establish the correct operating conditions for active components such as transistors and op-amps. By setting the appropriate voltage or current levels, it helps ensure that the active components work in their intended operating ranges, optimizing performance and stability.

• Feedback Networks: This resistor is often used in feedback loops within amplifiers and oscillators. It helps control the gain or frequency response of the circuit by determining the feedback ratio. Its high precision ensures that the feedback loop operates correctly, maintaining consistent and stable output in circuits such as audio amplifiers, signal generators, and precision oscillators.

• Power Regulation and Current Limiting: The 1W power rating makes this resistor suitable for current-limiting applications where it helps regulate the current flow in circuits, protecting other components from excessive current. It can also be used in power regulation circuits to ensure that the voltage and current remain within safe limits, preventing damage to sensitive components.

• Precision Instrumentation: Thanks to its 1% tolerance, this resistor is well-suited for precision measurement and calibration circuits. It is ideal for use in scientific instruments, test equipment, and diagnostic tools that require accurate resistance values to ensure proper operation. Its high stability and low drift over time make it an excellent choice for applications where long-term reliability is critical.

Ease of Handling and Repair:

The axial through-hole design of this resistor ensures that it is easy to install, solder, and replace in a wide variety of setups, including breadboards, prototype boards, and finished PCBs. If the resistor ever needs to be replaced or repaired, the process is straightforward due to its standard axial lead design, which is compatible with a wide range of soldering techniques and PCB layouts.

In Summary:

The 250K Ohm (250K) 1W 1% Axial Through Hole Resistor - MOF is a high-precision, medium-power resistor that delivers stable performance and long-term reliability in a wide range of electronic applications. With its 1% tolerance, 1W power rating, and Metal Oxide Film (MOF) construction, this resistor is perfect for use in voltage dividers, signal conditioning, biasing networks, feedback circuits, power regulation, and precision instrumentation. The axial through-hole design ensures easy installation and repair, making it ideal for both prototyping and production environments.

Whether you are designing sensor interfaces, audio circuits, precision instruments, or voltage regulation systems, this resistor will provide consistent and reliable performance in a wide variety of medium-power and high-impedance applications.

This resistor is perfect for applications that require high resistance, precision, and medium power handling. If you have further questions or need assistance with your design, feel free to reach out!