LTP070

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PTC Resettable Fuses, such as the type LTP070, offer reliable system protection that trips open and quickly resets when the amount of current passing through it exceeds its rating. Utilizing thermal and current measurements, the device can independently monitor and control current flow without the need for manual service.

The LTP070 is a PTC resettable fuse that is small and lightweight. It is ideal for applications needing protection including over-voltage, low-current draw, reverse polarity protection, and variable current protection. The device has a low voltage rating of 6V, but also offers a maximum working voltage of 32V and a maximum peak current of 500mA. The operating temperature range is from -40°C to 85°C and is robust enough to operate decades in harsh environments.

The LTP070 features an integral thermal protection element which helps reduce arcing and noise. Even with its low profile and small size it has two independent, active short circuit elements. These elements react simultaneously when the PTC resettable fuse is tripped open by the exceeded maximum current rating. The device has no minimum current rating and is rated for self-calibration, with a self-resetting time of about 25ms.

The LTP070 PTC resettable fuse includes a fault indicator that illuminates when the device trips open. It also features a thermal cut off element that helps prevent the device from being damaged. The device\'s current flow is determined by its current rating and its operating temperature is determined by its thermal rating.

One of the benefits of the LTP070 is its low profile, which allows it to be used in applications where other PTCs may not fit. The device also has a low profile compared to other components like varistors and electrostatic discharge (ESD) chips. The device is RoHS compliant and offers superior safety protection.

The LTP070 operates on a unique working principle. When electrical current passes through, the temperature of the device goes up, until it reaches the thermal-cutoff temperature. At this point, the PTC resettable fuse trips open and shuts off the current flow.

When the current stops, the device\'s temperature will cool off and the device will reset when the thermal cut-off temperature drops going below the tripping point. This will happen several times before the PTC resettable fuse finally fails. This helps reduce the damage that can be caused by excessive current.

The LTP070 PTC resettable fuse is a useful device for a variety of applications. It can be used to protect circuits from overcurrents in automotive systems, electronics, telecommunications, consumer appliances, instrumentation and medical devices. The device can provide reliable protection from short circuits and other possible hazards.

The LTP070 is an effective and efficient PTC resettable fuse that can provide long-term protection against current surges and other faults. The device is small in size, yet provides reliable protection against a wide range of short-circuit and over-current scenarios. It is an excellent choice for a variety of applications.

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