1N4148W Switching Diode Specification Summary

General Description

The 1N4148W is a switching diode designed for high-speed rectification and switching applications. It features a small surface mount package (SOD-123), high breakdown voltage, and fast switching speed. This diode is suitable for consumer, automotive, and telecommunication industries.

Features

• Small Surface Mount Package: SOD-123
• High Breakdown Voltage: Ensures robust performance under high voltage conditions.
• Fast Speed Switching: Suitable for high-frequency applications.
• High-Speed Switching and Reverse Polarity Protection: Provides protection against reverse voltage.
• High-Speed Rectifying Applications: Ideal for rectification in various electronic circuits.

Applications

• Consumer Electronics: General-purpose switching and rectification.
• Automotive Industry: High-reliability switching applications.
• Telecommunication Industry: High-speed rectification and protection circuits.

Absolute Maximum Ratings (@TA = 25°C)

• Peak Repetitive Reverse Voltage (VR): 75V
• Non-Repetitive Peak Reverse Voltage (VRM): 100V
• Average Rectified Output Current (IO): 150mA
• Repetitive Peak Forward Current (IFRM): 300mA
• Non-Repetitive Peak Forward Surge Current (IFSM): 2.0A @ t=1.0s, 1.0A @ t=1.0µs
• Power Dissipation (PD): 500mW
• Thermal Resistance, Junction-to-Ambient (RθJA): 250°C/W
• Operating Junction Temperature Range (TJ): -55°C to +150°C
• Storage Temperature Range (TSTG): -55°C to +150°C

Electrical Characteristics (@TA = 25°C)

• Reverse Current (IR):5.0μA @ VR = 75V100μA @ VR = 100V
• Forward Voltage (VF):1.0V @ IF = 10mA1.25V @ IF = 100mA
• Reverse Breakdown Voltage (V(BR)R): 75V
• Reverse Leakage Current (IR):5μA @ VR = 75V25nA @ VR = 20V50μA @ VR = 20V, TJ = 150°C
• Capacitance Between Terminals (CT): 4pF @ VR = 0, f = 1MHz
• Reverse Recovery Time (trr): 4ns @ IF = 10mA, VR = 6.0V, RL = 100Ω, IR = 10mA

Typical Electrical Characteristic Curves

• Forward Characteristics: Shows the relationship between forward current and forward voltage.
• Admissible Power Dissipation vs. Ambient Temperature: Indicates the power dissipation limits at different ambient temperatures.
• Leakage Current vs. Junction Temperature: Demonstrates how reverse leakage current varies with junction temperature.
• Reverse Capacitance vs. Reverse Voltage: Illustrates the change in reverse capacitance with reverse voltage.
• Admissible Repetitive Peak Forward Current vs. Pulse Duration: Describes the allowable peak forward current for different pulse durations.

Order Information

• Device: 1N4148W
• Package: SOD-123
• Carrier: Tape & Reel
• Quantity: 3,000 pcs/Reel
• Marking: T4

Recommended Pad Layout

• Dimensions:A: 1.050mm to 1.250mm (0.041" to 0.049")A1: 0.000mm to 0.100mm (0.000" to 0.004")A2: 1.050mm to 1.150mm (0.041" to 0.045")b: 0.450mm to 0.650mm (0.018" to 0.026")c: 0.080mm to 0.150mm (0.003" to 0.006")D: 1.500mm to 1.700mm (0.059" to 0.067")E: 2.600mm to 2.800mm (0.102" to 0.110")E1: 3.550mm to 3.850mm (0.140" to 0.152")L: 0.250mm to 0.450mm (0.010" to 0.018")θ: 0° to 8°