1N5400 General Purpose Rectifier Diode

Overview

The 1N5400 is a general-purpose rectifier diode designed for high-current applications. This robust component is part of the 1N5400 series, which includes diodes with varying peak reverse voltage ratings. The 1N5400 is particularly noted for its ability to handle substantial forward currents while maintaining stable performance across a wide temperature range. Its construction ensures reliable operation in demanding environments, making it suitable for power supply circuits, converters, and other high-current rectification applications.

Features

• High Current Capability: Capable of handling up to 3.0 A of average rectified current at 75°C, making it ideal for power applications.
• Thermal Stability: Operates at TA = 75°C with no thermal runaway, ensuring consistent performance under high-load conditions.
• Low Leakage Current: Minimizes power loss and improves efficiency in rectification circuits.
• Robust Construction: Designed for durability and long-term reliability in industrial and commercial applications.
• Wide Operating Temperature Range: Suitable for use in environments with varying thermal conditions.

Applications

The 1N5400 is widely used in circuits requiring high-current rectification. Common applications include:

• Power Supplies: Used in AC-to-DC conversion circuits for power supplies in consumer electronics, industrial equipment, and telecommunications devices.
• Battery Chargers: Efficiently rectifies AC input to DC for charging batteries in automotive and portable devices.
• Motor Drives: Provides reliable rectification in motor control circuits and inverters.
• Voltage Multipliers: Used in circuits that generate higher DC voltages from AC sources.
• General Purpose Rectification: Suitable for any application requiring robust and efficient rectification of high currents.

Electrical Characteristics

Absolute Maximum Ratings (TA = 25°C unless otherwise noted)

• Average Rectified Current (IO): 3.0 A (with 0.375" lead length at TA = 75°C)
• Peak Reverse Voltage (VR): 50 V
• Non-Repetitive Peak Forward Surge Current (IFSM): 200 A (for 8.3 ms single half-sine wave)
• Operating Junction Temperature Range (TJ): -65°C to +175°C
• Storage Temperature Range (TSTG): -65°C to +175°C

Typical Electrical Performance

• Forward Voltage Drop (VF): 1.0 V (typical at 3.0 A, TA = 25°C)
• Reverse Leakage Current (IR): 5.0 µA (maximum at VR = 50 V, TA = 25°C)
• Junction Capacitance (CJ): 50 pF (typical at VR = 4.0 V, f = 1.0 MHz)

Package Information

The 1N5400 is available in a through-hole, axial-leaded package, which is commonly used for high-power diodes. The package is designed to facilitate easy mounting on printed circuit boards (PCBs) or in point-to-point wiring applications.

• Package Type: DO-201AD (Axial Lead)
• Lead Material: Tinned Copper
• Lead Diameter: 0.045" (1.14 mm)
• Body Diameter: 0.190" (4.83 mm)
• Body Length: 0.250" (6.35 mm)
• Weight: Approximately 0.35 grams

Mechanical Specifications

• Termination: Axial leads for through-hole mounting
• Polarity Marking: Cathode band indicated on the body
• Mounting Position: Any orientation, but recommended to avoid excessive mechanical stress on leads

Reliability and Compliance

The 1N5400 is designed to meet industry standards for reliability and performance. It is suitable for use in commercial, industrial, and automotive applications where consistent operation under varying conditions is required.

• RoHS Compliance: Compliant with Restriction of Hazardous Substances directives.
• Flammability Rating: UL94 V-0 for the epoxy molding compound.
• Moisture Sensitivity Level (MSL): MSL 1 (Unlimited floor life at ≤30°C/85% RH)

Conclusion

The 1N5400 general-purpose rectifier diode is a versatile and reliable component for high-current rectification applications. Its robust design, high current capability, and thermal stability make it an excellent choice for power supplies, battery chargers, and other demanding circuits. With its axial-leaded package and industry-standard compliance, the 1N5400 is well-suited for both prototyping and mass production environments.