1N4148WS T4 SMD Switching Diode SOD-323

1N4148WS T4 is a high-speed switching diode housed in a compact SOD-323 surface-mount package. It is widely used in signal processing, logic circuits, and other general-purpose applications where fast switching and low leakage are essential. The diode offers low forward voltage drop and fast reverse recovery time, making it ideal for high-frequency applications.

Key Features of 1N4148WS T4 SMD Switching Diode:

• Fast Switching Speed: Reverse recovery time typically 4ns for high-speed signal processing.
• Low Forward Voltage: Provides efficiency with minimal voltage drop in conduction.
• Compact SOD-323 Package: Ideal for space-constrained SMD designs.
• Low Leakage Current: Excellent performance in sensitive analog and digital applications.
• RoHS Compliant: Lead-free, environmentally friendly construction.

Technical Specifications of 1N4148WS T4 SMD Switching Diode:

• Maximum Repetitive Peak Reverse Voltage (V_RRM): 100V
• Average Forward Current (I_F(AV)): 150mA
• Peak Forward Surge Current (I_FSM): 2A (tp = 1μs)
• Forward Voltage Drop (V_F): 1.0V at 100mA
• Reverse Recovery Time (t_rr): 4ns
• Power Dissipation: 200mW
• Operating Junction Temperature: -65°C to +150°C

Mechanical Specifications of 1N4148WS T4 Diode:

• Package Type: SOD-323 (Surface-Mounted Device)
• Mounting Style: Surface Mount Technology (SMT)
• Polarity: Cathode marked with stripe
• RoHS Status: Compliant

Dimensions:

• Package Length: 1.8mm
• Package Width: 1.35mm
• Height: 1.0mm (max)
• Lead Pitch: 0.65mm

Mounting Options:

• Surface Mount: Suitable for automated PCB assembly using reflow soldering.
• High-Density Boards: Compact size allows tight layouts for portable and embedded systems.

Schematic Diagram, Connection, Wiring and Pinout of 1N4148WS Diode:

• Connection: Anode connected to input signal; cathode to output or ground.
• Wiring: Observe correct polarity to prevent malfunction.
• Pinout: 2-pin SOD-323: Anode and Cathode clearly marked; refer to datasheet for layout.

Datasheet of 1N4148WS T4 SMD Switching Diode:

• Download 1N4148WS Datasheet (PDF)

Applications of 1N4148WS T4 SMD Switching Diode:

• Signal Clipping and Clamping: Used for waveform shaping in analog circuits.
• High-Speed Switching: Ideal for digital logic level protection and switching tasks.
• Oscillators and Timing Circuits: Acts as a waveform shaper in high-frequency applications.
• Reverse Voltage Protection: Protects sensitive components in power lines and data buses.
• Voltage Multipliers and Rectifiers: Used in small signal rectification circuits.

Equivalent of 1N4148WS T4 SMD Switching Diode:

• LL4148: Miniature glass DO-35 package version with similar performance
• BAV99: Dual diode in SOT-23 with fast switching characteristics
• 1N4448: High-speed diode with slightly lower leakage
• BAS16: General-purpose high-speed switching SMD diode

Package Includes:

• 1 x 1N4148WS T4 SMD Switching Diode (SOD-323)