SQM300JB-22K

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Through hole resistors have been an integral part of electronics for decades, and as technology advances, so does the features these resistors provide. The SQM300JB-22K is a prime example of this. This resistor is designed for robust applications, primarily in handheld or portable equipment, and can provide excellent noise immunity and high-current capacity.

The key component of a through hole resistor is a resistive material packaged between two conductive plates. As current passes through the resistor, its resistance will convert part of the power into heat, which dissipates into the external environment.

The SQM300JB-22K makes use of a thick film and sealant technology to ensure reliable operation. The construction consists of six layers of a thick film resistor mounted to a metal plate with glass sealant coatings. This combination creates a good electrical isolation and excellent heat dissipation. In addition, this technology provides good power tolerance and low noise margins, with dynamic properties which allow for accurate voltage tracking.

The power rating for the SQM300JB-22K is 10 watts, and its resistance range is from 0.1Ω to 2 kiloohms. This resistor is also capable of handling high transient currents, and its temperature range is from -55°C to +125°C.

The SQM300JB-22K also features a polygon shape, which provides excellent current distribution and uniform heat dissipation. The polymer coatings of the resistor also help protect the surface from mechanical stress. Additionally, the solder terminals feature gold plating to prevent oxidation and ensure a good connection.

The SQM300JB-22K has a variety of applications in the consumer electronics industry, mainly in handheld or portable devices. This includes cellular phones, computers, CD/DVD players, and car audio systems. Additionally, it may also be used in military, automotive, industrial, and medical instrumentation.

Thanks to its six-layer construction and its gold-plated terminals, the SQM300JB-22K ensures reliable operation in a variety of applications, while providing excellent noise immunity and high current capacity. In addition, its thick film and sealant technology provides good power tolerance and low noise margins, with dynamic properties which accurately track voltage.

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