KU1021S28 OHMITE Ab

Review OHMITE Type Ab

The Ohmite KU1021S28AB is a versatile and high-performing fixed resistor offered by Ohmite Resistors, a leading manufacturer of specialized resistive solutions. This resistor, specifically designed for use in various electronic applications, boasts several notable features and specifications that make it a reliable choice for engineers and designers.

The KU1021S28AB is a surface mount, thick film chip resistor that comes with an 8-digit code - KU (Ohmite's product series designation), 1021 (the resistor value that equals 102.1 ohms), S (for surface mount), 28 (which denotes the tolerance of /-28 ppm), and AB (indicating the dual in-line package style). Its compact surface mount design enables easy integration into small form factor circuits, making it an excellent choice for space constrained designs.

The resistive element of this fixed resistor is made of chromium (Cr) and aluminum oxide (Al2O3) materials. Chromium's excellent electrical conductivity, combined with the high-temperature stability offered by aluminum oxide, results in a stable and efficient resistive element. This ceramic composition ensures a high level of precision and consistent resistance over varying temperatures, from -55 C to 125 C.

The slug resistant, lead-free termination ensures reliable soldering and long-lasting connection. With a voltage rating of 100V, the KU1021S28AB can handle moderate voltages without compromising its structural integrity. Moreover, it has a power rating of 0.16W, which allows the resistor to dissipate heat effectively while maintaining its resistance value.

The Ohmite KU1021S28AB comes with a standard 5% tolerance and TCR (Temperature Coefficient of Resistance) of 50 ppm/ C with a maximum operating frequency of 1MHz. Its maximum steady-state power rating of 0.16W and peak power of 0.5W allow it to safely handle various power levels, ensuring excellent performance in various electronic applications.

In summary, the Ohmite KU1021S28AB is a high-quality, compact surface mount thick-film chip resistor that provides reliable, stable, and efficient resistance. Its ceramic composition, combined with durable terminations, makes it a suitable option for projects involving temperature-sensitive components and varying power levels.

1. High Power Rating: With a power rating of 100 watts, the KU1021S28 AB can handle a significant amount of power, making it suitable for applications requiring high-power resistors.

2. Temperature Stable: This resistor has a high temperature coefficient of resistance, making it ideal for temperature-sensitive applications where accurate resistance values are required over a wide temperature range.

3. Robust Construction: Ohmite resistors are known for their robust construction and high reliability. The KU1021S28 AB is no exception, as it is constructed with a heavy-duty ceramic body that can withstand high power densities and harsh operating conditions.

4. Wide Operating Temperature Range: This resistor can operate in temperatures ranging from -55 C to 155 C, making it suitable for use in diverse applications.

1. Size and Weight: Due to its high power rating, this resistor is larger and heavier than standard resistors. This may make it less suitable for space-constrained applications or where weight is a concern.

2. Cost: The KU1021S28 AB is a high-power resistor, and as such, it is more expensive than standard resistors.

3. Special Handling Required: Due to its high power rating, special handling and installation procedures may be required when working with this resistor to ensure safe and reliable operation.

The Ohmite KU1021S28 AB is a high-performance, high-power resistor suitable for applications where accurate resistance values are required over a wide temperature range and a significant amount of power needs to be dissipated. Its robust construction and wide operating temperature range make it a reliable choice for use in diverse applications. However, its larger size and weight, as well as its higher cost compared to standard resistors, may make it less suitable for some applications.

If you require a high-power resistor in your application, and temperature stability is a crucial factor, the Ohmite KU1021S28 AB could be an excellent choice for you. However, it's essential to consider the additional size and weight, as well as the increased cost, before making a final decision. It's always a good idea to consult with a qualified electronics engineer or engineer technician to determine the best resistor for your specific application.

Details:

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• brand: Ohmite
• mpn: Ku1021s28

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