1N4148 Switching Diode 1W

🧾 Product Description

1N4148 Switching Diode – High-Speed General Purpose Silicon Diode (Not Zener)

The 1N4148 is a widely used high-speed small-signal switching diode, ideal for circuits requiring rapid on-off transitions. Known for its fast switching performance, this diode is commonly used in digital logic, signal processing, rectification, and protection circuits. Despite common confusion, the 1N4148 is not a Zener diode, but a silicon switching diode with excellent reliability and fast recovery time.

📋 Specifications:

• Product Type: Small Signal Switching Diode

• Model: 1N4148

• Peak Reverse Voltage (VRRM): 100V

• RMS Voltage: 75V

• Forward Voltage Drop (Vf): ~0.7V @ 10mA

• Maximum Average Forward Current: 150mA

• Power Dissipation: 500mW (0.5W)

• Reverse Recovery Time: < 4ns

• Operating Junction Temperature: -65°C to +175°C

• Storage Temperature: -65°C to +150°C

• Package Type: DO-35 (Glass Axial)

• Dimensions (L × W): 4.3mm × 2.4mm

• Leads: Axial Through-Hole

• Material: Silicon

• Weight: Approx. 1g each

⚙️ Applications:

• High-speed signal switching

• Logic level conversion

• Pulse shaping and clamping

• Flyback diode for relays and inductive loads

• General-purpose rectification

• Digital and analog circuit protection

📦 Package Includes:

• 1 x 1N4148 Switching Diode

🖼️ Note: Product images are for illustration only. Actual product may differ slightly.