RUSB160

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PTC Resettable Fuses are used as overcurrent protection elements in many types of electrical and electronic circuits. The RUSB160 is a resettable fuse designed for applications in low voltage and power, telecom and datacom applications. It combines overcurrent protection with surge protection, providing superior device protection from a wide variety of fault conditions. This article will provide an overview of the application fields and working principle of the RUSB160 overcurrent protection device.

The RUSB160 device is designed to protect printed circuit boards from damage caused by overcurrent faults. The device is a one-time thermal switch which trips at a predetermined current level. Once the fault is removed, the device will reset allowing the application to continue to power. This feature is useful for applications where a circuit breaker or fuse will not protect the board from overcurrent issues.

The RUSB160 device is designed for use in a wide variety of applications including DC/DC converters, General-Purpose MOSFET (GPM) controllers, timing circuits, solid-state relays, and other applications. The device has two distinct modes of operation. The first is “latching” which switches off when an overcurrent is detected and then reset when the overcurrent condition has been removed. The second mode is “thermal cutoff” which has the same cutoff point but does not reset after the fault is removed. This mode is suitable for applications where the fault may persist as the device will remain off until reset.

The working principle of the RUSB160 device is quite simple. An overcurrent is applied to the device and a thermal trip point is activated. This triggers the device to open the circuit, disconnecting the power supply. A fuse circuit “keeps” the device open until the circuit is reset. This is done by removing the circuit from power. The reset mechanism is designed to prevent any harm from coming to the electrical or electronic components in the circuit. Once the reset is completed, the device is ready to protect the circuit from overcurrent faults.

The RUSB160 overcurrent protection device is designed for applications where reliability and safety of sensitive electronic components are required. The device can be used to protect a wide range of electronic and electrical components from overloads, short circuits, and overvoltage. The device offers superior protection from surge faults and will reset after the fault is removed. The device also offers excellent temperature stability and can operate in temperatures as low as -40°C and up to +105°C.

The RUSB160 is available in a variety of amperage ratings from 1.2A to 10A. The most commonly used version is the 6A device. This device is suitable for wide range of applications including DC and AC solutions. For AC applications the device is rated for 50/60 Hz frequencies and works up to 240VAC. The device also has a low internal resistance which allows for fast response time.

In conclusion, the RUSB160 is a highly reliable and robust overcurrent protection device suitable for a wide range of applications. The device provides superior device protection from a variety of fault conditions and is available in various amperage ratings for DC and AC circuits. The device has low internal resistance which allows for fast response and excellent temperature stability. The device’s reset mechanism and thermal cutoff feature further increases its reliability and safety.

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