1N4148 Surface Mount High-Speed Small Signal Switching Diode - MELF SMD Package

The 1N4148 Surface Mount Diode is a fast-switching small signal diode designed for high-speed signal processing, switching, and protection applications. Despite often being mistakenly called a Zener, the 1N4148 is a standard silicon switching diode, optimized for low current, high-speed operation in logic circuits, RF systems, and signal conditioning stages.This SMD version is housed in a compact MELF (Metal Electrode Leadless Face) glass package, offering excellent thermal stability, mechanical strength, and consistent electrical performance in automated SMT assembly environments.Features:High-speed switching performanceLow forward voltage dropFast reverse recovery timeIdeal for signal processing and logic circuitsRobust glass MELF SMD packageHigh reliability and thermal stabilitySuitable for automated pick-and-place assemblyCompact size for space-constrained PCB designsSpecifications:Diode Type: Silicon Switching Diode (Not Zener)Model: 1N4148Package Type: MELF (SMD)Maximum Repetitive Reverse Voltage (VRRM): 100VForward Continuous Current (IF): 150mASurge Forward Current (IFSM): 2AForward Voltage (VF) @ 10mA: Approx. 1.0VReverse Recovery Time (trr): 4nsReverse Leakage Current (IR): ≤ 25nA @ 20VPower Dissipation: 500mW (typical)Junction Temperature Range: -65°C to +175°CMounting Type: Surface Mount (SMD)Package Includes:1 × 1N4148 Surface Mount Switching Diode – MELF SMD Package

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