The 1N4148W is a high-speed silicon epitaxial planar switching diode designed for use in signal processing, high-frequency switching, and digital logic applications. With a reverse recovery time of ≤ 4 ns, this diode delivers fast response and reliable performance in consumer electronics, automotive circuits, communication devices, and industrial equipment.

Its compact SOD-123 surface-mount package offers space-saving design while maintaining durability, making it suitable for high-density PCB layouts. The 1N4148W diode is available in AEC-Q101 qualified versions for automotive-grade reliability and is fully RoHS-compliant.

Features:

• Fast switching speed (t rr ≤ 4 ns)

• Compact SOD-123 SMT package (10.6 mg)

• High reliability, AEC-Q101 qualified available

• Moisture Sensitivity Level (MSL) 1 for safe storage & assembly

• UL 94 V-0 rated molding compound for flame resistance

• RoHS-compliant, lead-free terminals

Applications:

• High-speed switching circuits

• Signal processing in communication systems

• Automotive electronics (AEC-Q101 qualified version)

• Consumer and industrial electronic devices

• Logic signal conversion and protection

• General-purpose fast switching in low-current circuits

Specifications:

• Reverse Voltage (VR): 75 V

• Repetitive Peak Reverse Voltage (VRRM): 100 V

• Average Rectified Current (IF(AV)): 250 mA

• Continuous Forward Current (IF): 300 mA

• Surge Forward Current (IFSM):

  • 500 mA (tp < 1 s)

  • 2 A (tp = 1 μs)

• Power Dissipation (Ptot): 280 mW (on FR-4 PCB)

• Case Type: SOD-123 (Surface Mount)

• Peak Soldering Temperature: 260°C (J-STD-020)