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1N4148 (Fast Switching Diode )

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EGP0.50
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Description

 

The 1N4148 small signal diodes are general purpose fast switching diodes used for small signal rectification.

KEY FEATURES OF 1N4148 SMALL SIGNAL DIODE:
  • General purpose small signal diodes
  • High switching speed of < 4nS
  • Up to 100V reverse voltage
  • Up to 0.3A continuous current (4A surge)

These are general purpose small fast switching diodes used for small signal rectification, meaning they only allow current to flow in one direction.  They can handle up to 100V reverse voltage and up to 300mA of continuous current.  Due to their modest power handling, these are mainly useful in digital or signal processing circuits.

The 1N4148 are polarized devices with a black band denoting the cathode end of the diode.

TECHNICAL SPECIFICATIONS
Maximum Ratings
VR Peak Reverse Voltage 100V
IF DC Forward Continuous Current 300mA
If Recurrent Peak forward Current 400mA
IFSM Peak Surge Current (1.0 Sec) 1A
Peak Surge Current (1.0uS) 4A
Operating Ratings
VF  Forward Voltage Drop 1V
trr Switching Speed < 4nS
Polarization Black band indicates cathode
Package DO-35
Package Type Glass, axial leads
Datasheet 1N4148
1N4148 Datasheet

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