SPP-4F125

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• Introduction
  The SPP-4F125 is a type of specialty fuse, specially designed to provide a reliable and controlled interruption of electrical circuits for over-current protection applications in electronic equipment. This fuse is a Class CC series fuse, intended for current limiting service in specialty applications such as, but not limited to, medical equipment, precision instrumentation, safety critical devices, and other demanding environments. The SPP-4F125 fuse offers strong circuit protection in a compact size that is designed to meet major industry standards. This fuse is a UL recognized component that is UL248-14 listed, indicating it has been tested for quality, durability, and safety and is approved for use.

  Application Field
  The SPP-4F125 fuse can be used in many different over-current protection application fields. Most notably, the SPP-4F125 fuse finds common use in the medical equipment field. This fuse can be used for the protection of medical devices such as patient monitors, patient care carts, and other medical devices. Additionally, the SPP-4F125 can be used in an array of precision instrumentation applications such as laboratory equipment, test equipment, and other software controlled devices. The SPP-4F125 is also an ideal choice for safety-critical applications. In such applications, the SPP-4F125 will help guard against hazardous events and overloads that could potentially cause serious injuries.

  Working Principle
  The working principle of the SPP-4F125 fuse is based on the melting of a metallic conductor element. The SPP-4F125 fuse’s design uses a small diameter conductor element which melts at a predetermined current. The current limitation provided by the SPP-4F125 is specifically designed to allow the fuse to safely and reliably interrupt excessive current to an electronic device that could potential lead to damage, fires, or electrocution hazards. When the fuse’s current rating is exceeded, the conductor element’s internal resistance rises until the current is reduced to a level that the element can withstand. The fuse stops conducting and an open circuit is created, thereby protecting the device.

  Summary
  The SPP-4F125 is a specialized over-current protection fuse, designed to provide reliable and controlled interruption of electrical circuits in a wide range of unique application fields. The SPP-4F125 is an efficient fuse that operates on the principle of melting a small diameter conductor element. By melting at a predetermined current rating, the fuse reliably offers protection against overloads or hazardous events that could potentially cause serious injury or damage.

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