1N4148

Highly ubiquitous, industry-standard classic high-speed silicon switching signal diode housed in an axial DO-35 glass package, globally utilized for rapid recovery logic switching up to 4ns with a 200mA continuous current rating. Equivalents: ON Semiconductor 1N4148, Vishay 1N4148, Fairchild 1N4148, NTE519. Real-Life Examples: Microcontroller digital logic input steering arrays, communication bus voltage clamping networks, guitar effects pedal clipping circuits, and reverse-EMF relay coil protection matrix loops.