1N4148W High-Speed Switching Diode 100V 150mA SOD-123 SMD (Marking: T4)

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Brand:Generic

Description

The 1N4148W is a high-speed switching diode, widely used for fast signal switching in digital and analog circuits. It comes in a compact SOD-123 SMD package and features the marking code “T4” for easy identification. With its low forward voltage drop, fast recovery time, and reliability, this diode is ideal for signal processing, communication equipment, and compact electronic devices.

Specification Details
Part Number 1N4148W
Marking Code T4
Package Type SOD-123 (SMD)
Maximum Repetitive Reverse Voltage (Vrrm) 100V
Forward Current (If) 150mA
Forward Voltage (Vf) 1.0V @ 100mA
Reverse Recovery Time (trr) 4ns
Power Dissipation 500mW
Operating Temperature -65°C to +150°C

Applications

  • High-speed switching in digital circuits
  • Signal processing and waveform shaping
  • Clamping and protection circuits
  • Voltage multipliers
  • General-purpose rectification

How to Use

  1. Place the diode in the correct orientation; the cathode is marked with a line.
  2. Use it in series for signal switching or parallel for clamping applications.
  3. Ensure operating voltage and current do not exceed rated specifications.
  4. Solder carefully onto SMD pads to avoid overheating.
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