The 1N4148 is a standard silicon switching diode. It is one of the most popular and long-lived switching diodes because of its dependable specifications and low cost. Its name follows the JEDEC nomenclature. The 1N4148 is useful in switching applications up to about 100 MHz with a reverse-recovery time of no more than 4 ns.

HIGH-SPEED SWITCHING DIODE

DESCRIPTION

The UTC 1N4148 is designed for high-speed switching application in hybrid thick-and thin-film circuits. The devices is manufactured by the silicon epitaxial planar process and packed in plastic surface mount package.

FEATURES

• Ultra-high speed
• Low forward voltage
• Fast reverse recovery time

1N4148 SMD SOT23

• Pin 1 : Anode
• Pin 2 : (not connected)
• Pin 3 : Cathode

• Source
  • http://en.wikipedia.org/wiki/1N4148
• Informationen
  • http://de.wikipedia.org/wiki/Schalterdiode
  • http://www.beam-wiki.org/wiki/1N4148
• Datasheet
  • MMBD4148 SOT23 von Fairchild (61kB)
  • 1N4148 SOT23 von UTC (218kB)
  • 1N4148 DO35 (154kB)