TS4148 RXG: 400mW High Speed SMD Switching Diode, 1206 package
Taiwan Semiconductor

The TS4148 RXG by Taiwan Semiconductor is a small signal diode designed for high-speed switching applications. It features a 1206 standard package, molded plastic case, and gold-plated, solderable terminals. This component is designed for mounting on small surfaces, offering a high mounting capability and strong surge withstand, contributing to its high reliability. The diode is also characterized by its extremely thin and leadless package, making it suitable for compact electronic designs.

The TS4148 RXG is Pb-free, RoHS compliant, and identified by the 'G' suffix in its packing code, indicating it is a green compound and halogen-free. It supports high-temperature soldering up to 260°C for 10 seconds, ensuring durability during the manufacturing process. The polarity is indicated by a cathode band, and the component weighs approximately 0.010 grams.

Key Specifications and Features

  • Power Dissipation: 400 mW
  • Non-Repetitive Peak Reverse Voltage: 100 V
  • Repetitive Peak Reverse Voltage: 75 V
  • Repetitive Peak Forward Current: 300 mA
  • Mean Forward Current: 150 mA
  • Non-Repetitive Peak Forward Surge Current: 0.5 A (Tp=1sec square waveform), 2.0 A (8.3ms single half sine waveform)
  • Thermal Resistance (Junction to Ambient): 375 °C/W
  • Junction and Storage Temperature Range: -65 to +175 °C
  • Forward Voltage: 1.00 V at 10mA
  • Reverse Leakage Current: 25 nA at 20V, 5 μA at 75V
  • Junction Capacitance: 4.0 pF at VR=0, f=1.0MHz
  • Reverse Recovery Time: 4 ns

TS4148 RXG Substitutes
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Applications

  • High-speed switching applications
  • Compact electronic designs requiring small surface mounting

Category

Diodes

General information

Diodes are semiconductor devices that allow current to flow in one direction only, making them essential for controlling the direction of current flow in electronic circuits. They are used in a variety of applications, including rectification, voltage regulation, signal modulation, and switching. When selecting a diode, important considerations include the maximum forward current, reverse voltage, switching speed, and package size.

The high-speed switching diode, such as the TS4148 RXG, is designed for applications requiring rapid switching between on and off states. These diodes are characterized by their fast reverse recovery time, which minimizes energy loss and improves efficiency in high-frequency circuits. The package size is also an important consideration, especially in compact designs where space is limited.

Choosing the right diode involves understanding the specific requirements of your application, including the operating voltage and current levels, switching frequency, and thermal management needs. It's also important to consider the mechanical aspects, such as the package type and mounting method, to ensure the diode fits within the physical constraints of the design.

Overall, diodes are fundamental components in electronic circuits, and selecting the appropriate type is crucial for achieving the desired performance and reliability. High-speed switching diodes, like the TS4148 RXG, offer the advantage of quick switching times, making them suitable for a wide range of applications where speed and efficiency are key.

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