LL4148 – Fast Switching Diode

RWF 200.00

Description

A diode is a device which allows current flow through only one direction. That is the current should always flow from the Anode to cathode. LL4148 is a Silicon Epitaxial planar diode with an identification of cathode band, comes in glass package version. It has high conductance and high reliability. The specialty of this diode is its fast recovery time of 8ns to 4ns only at a forward current of 300mA, hence this diode is used in places where extremely fast switching is involved. The main use of this diode is for extreme fast switches. LL4148 is used in various projects like heat monitoring, detecting the state of LED to control another circuit and many other.

Specifications

  • Reverse Voltage: 100V
  • Peak Forward Current: 500mA
  • Power Dissipation: 500mW
  • Forward voltage: 0.62V to 1V
  • Reverse current: 5uA
  • Diode Capacitance: 4pF
  • Weight:
  • DO-35: 0.13 grams
  • MiniMELF: 0.05 grams
  • Junction temperature: 175℃
  • Storage temperature range: -65℃ to +175 ℃

Features

  • Fast Switching Speed
  • Glass package version for high reliability
  • Available in both Through-hole and Surface mount versions
  • Conductance is also high
  • Silicon epitaxial planar diode
  • PB free
  • Rohs compliant
  • Electrical data identical with the devices 1N4148 and 1N4448 respectively
  • Case: Mini MELF SOD-80 Glass Case

Applications

  • Extreme fast switches
  • Can be used to prevent reverse polarity problem
  • Protect Power electronic switches that are operating with high switching frequency.
  • Used as a protection device
  • Current flow regulators

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