The 1N4148 is a high-speed switching diodes fabricated in planar technology, and encapsulated in hermetically. Features:- Fast Switching Speed General Purpose Rectification Silicon Epitaxial Planar Construction Lead Free Finish, RoHS Compliant (Note 2) High switching speed: max. 4 ns Continuous reverse voltage: max. 100 V Repetitive peak reverse voltage: max. 100 V Repetitive peak forward current: max. 450 mA. High speed silicon switching diodes, axial leaded. General purpose, industrial, military and space applications. Hermetically sealed glass with a stud on either side of the glass passivated chip provides excellent stability. Extremely low leakage and very high reliability Mechanical Data:- Case: DO-35 Case Material: Glass Moisture Sensitivity: Level 1 per J-STD-020D Leads: Solderable per MIL-STD-202, Method 208 Polarity: Cathode Band Marking: Type Number Ordering Information: See Page 2 Weight: 0.13 grams (approximate) Applications:- High-speed switching Specification:- SymbolParameterValueUnits VRMNon-Repetitive Peak Reverse Voltage100V VRRMPeak Repetitive Reverse Voltage100V VRWMWorking Peak Reverse Voltage75V VRDC Blocking Voltage75V VR(RMS)RMS Reverse Voltage53A IFMForward Continuous Current300m A IOAverage Rectified Output Current150m A IFSMNon-Repetitive Peak Forward Surge Current1A