SQP300JB-0R15

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Through hole resistors are a type of resistor component used to limit the flow of electricity in a circuit. They are physically larger than other types of resistors, making them more suitable in applications where larger parts are needed.

The SQP300JB-0R15 is a type of through hole resistor. This resistor has a fixed power rating of 0.2W, a resistance value of 15 ohms, and an operating temperature range of -55 to +125°C. It is made of a metal alloy, and features a size of 0.34” x 0.19”. It has a ±5% tolerance.

Application Field

The SQP300JB-0R15 is designed to be used in a variety of applications including audio signal processing, instrumentation, and light dimming. It can also be used for DC to DC conversion, power supply regulation, and voltage reference circuits. In addition to this, the SQP300JB-0R15 is ideal for automotive electronics due to its temperature and performance specifications. This resistor is suitable for use in high humidity and dust-prone environments.

Working Principle

The SQP300JB-0R15 works on the principle of resistive heating. A resistor is a component with a specific amount of resistance, which limits the flow of current through the circuit. The SQP300JB-0R15 has a resistance of 15 ohms — which is the same as 15-volts divided by one-ampere. This corresponds to the amount of power needed to be dissipated, which is 0.2W.

When current passes through the resistor, it generates heat. The resistor has a temperature coefficient, which determines how much the resistance changes with temperature. As the resistor heats up, its resistance decreases. This is known as the positive temperature coefficient of resistance (PTCR). Eventually, the amount of current is reduced to the point where it is equal to the resistance; this is known as the thermal equilibrium point.

The resistance of the SQP300JB-0R15 is stable over a wide temperature range, which makes it ideal for many applications. It is also designed to be able to withstand shock and vibrations, making it a durable resistor for high-stress applications.

Conclusion

The SQP300JB-0R15 is a through hole resistor commonly used in electronics applications. It has a fixed power rating of 0.2W, 15 ohms of resistance, and a wide operating temperature range. This resistor is designed to be used in DC to DC conversion, power supply regulation, instrumentation, and other applications. Its working principle is based on resistive heating, and its PTCR ensures stable and precise operation over a wide temperature range.

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