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Diode 1N4148

The 1N4148 is a high-speed switching diode designed for general-purpose switching applications. It features a DO-35 glass package and is widely used in signal processing and rectification circuits.

Diode 1N4148
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Specifications

Type: Small Signal Fast Switching Diode Package: DO-35 (Glass) Repetitive Peak Reverse Voltage: 100V Continuous Reverse Voltage: 75V Peak Forward Surge Current: 2A Continuous Forward Current: 200mA Forward Voltage: 1V (typical) Reverse Current: 5µA (max) Operating Temperature Range: -55°C to +175°C Reverse Recovery Time: ~4ns Polarity: Standard

Details

The 1N4148 is a small-signal fast switching diode made of silicon, enclosed in a DO-35 glass package. It is engineered for high-speed switching operations with a reverse recovery time of approximately 4 nanoseconds, making it ideal for applications requiring rapid response, such as signal demodulation, clipping, and clamping circuits. Key features include a maximum repetitive peak reverse voltage of 100V, a continuous forward current of 200mA, and a low forward voltage drop of 1V. It operates reliably across a wide temperature range from -55°C to +175°C, ensuring durability in various environments. Common applications include digital logic circuits, power supply protection, and high-frequency rectification. Choose the 1N4148 for its proven reliability, fast switching speed, and compatibility with a wide range of electronic projects, from hobbyist builds to professional designs.

Tags

diodeswitching diode1N4148DO-35fast switchingelectronics componentsignal diodehigh speed diode

Alternatives

  • 1N4150
  • 1N4448
  • BAV99
  • 1N914