The 1N4148 is a fast, reliable silicon epitaxial planar diode widely used for high-speed switching applications. Its low capacitance and rapid switching make it ideal for digital and analog circuits where quick response is crucial.

1N4148 High-Speed Switching Diode
Rs 8.00
✅ Type: High-Speed Switching Diode
✅ Maximum Repetitive Peak Reverse Voltage (VRRM): 100V
✅ Maximum Reverse Voltage (VR): 75V
✅ Peak Forward Surge Current (IFSM): 2A
✅ Maximum Repetitive Peak Forward Current (IFRM): 500 mA
✅ Forward Continuous Current (IF): 300 mA
✅ Average Forward Current (IF(AV)): 150 mA
✅ Maximum Power Dissipation (Ptot): 440–500 mW
✅ Package: DO-35 (DO-204AH)
✅ Weight: approx. 105 mg
✅ Cathode Identification: Black band
✅ Applications: Extreme fast switching circuits, signal processing, and protection circuits
98 in stock
| Weight | 1 g |
|---|---|
| Dimensions | 15 × 5 × 5 mm |





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