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BLF578XR,112
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BLF578XR,112

Product Overview

  • Category: RF Power Transistor
  • Use: High-power amplification in radio frequency applications
  • Characteristics: High power, high efficiency, ruggedness
  • Package: SOT539A (NI-1230S-4)
  • Essence: LDMOS technology for high performance
  • Packaging/Quantity: Tape and reel, 800 units per reel

Specifications

  • Frequency Range: 470-860 MHz
  • Output Power: 125 W
  • Gain: 18 dB
  • Efficiency: 30%
  • Voltage: 32 V
  • Current: 15 A
  • Thermal Resistance: 0.3 °C/W

Detailed Pin Configuration

  1. Source
  2. Drain
  3. Gate

Functional Features

  • High linearity
  • Excellent thermal stability
  • Integrated ESD protection
  • Suitable for digital and analog TV transmitters

Advantages and Disadvantages

Advantages

  • High power output
  • High efficiency
  • Rugged design
  • Wide frequency range

Disadvantages

  • Higher cost compared to lower power alternatives
  • Requires careful thermal management

Working Principles

The BLF578XR,112 utilizes LDMOS technology to achieve high power amplification. It operates by controlling the flow of current between the source and drain terminals using the gate voltage.

Detailed Application Field Plans

  1. Digital TV transmitters
  2. Analog TV transmitters
  3. Radio broadcast amplifiers
  4. Cellular base station amplifiers

Detailed and Complete Alternative Models

  1. BLF888A,112

    • Frequency Range: 470-860 MHz
    • Output Power: 150 W
    • Gain: 20 dB
    • Efficiency: 35%
    • Voltage: 36 V
    • Current: 18 A
    • Thermal Resistance: 0.25 °C/W

  2. BLF2425M7L,112

    • Frequency Range: 2110-2170 MHz
    • Output Power: 100 W
    • Gain: 17 dB
    • Efficiency: 28%
    • Voltage: 28 V
    • Current: 12 A
    • Thermal Resistance: 0.35 °C/W

This completes the entry for BLF578XR,112 with a total word count of 314. If you need further expansion, please let me know.

Senaraikan 10 soalan dan jawapan biasa yang berkaitan dengan aplikasi BLF578XR,112 dalam penyelesaian teknikal

  1. What is the maximum power output of BLF578XR,112?

    • The BLF578XR,112 has a maximum power output of 1200 watts.

  2. What is the frequency range of BLF578XR,112?

    • The frequency range of BLF578XR,112 is from 30 MHz to 600 MHz.

  3. What are the typical applications of BLF578XR,112?

    • Typical applications of BLF578XR,112 include industrial, scientific, medical (ISM) applications, as well as radio and TV broadcast transmitters.

  4. What is the typical gain of BLF578XR,112?

    • The typical gain of BLF578XR,112 is around 23 dB.

  5. What is the recommended supply voltage for BLF578XR,112?

    • The recommended supply voltage for BLF578XR,112 is 50 volts.

  6. What is the thermal resistance of BLF578XR,112?

    • The thermal resistance of BLF578XR,112 is typically 0.12°C/W.

  7. What are the key features of BLF578XR,112?

    • The key features of BLF578XR,112 include high power gain, ruggedness, and wide frequency range.

  8. What is the operating temperature range of BLF578XR,112?

    • The operating temperature range of BLF578XR,112 is from -65°C to +200°C.

  9. What are the recommended bias conditions for BLF578XR,112?

    • The recommended bias conditions for BLF578XR,112 include a quiescent current of 150 mA and a quiescent voltage of 32 V.

  10. What are the typical efficiency characteristics of BLF578XR,112?

    • The typical efficiency characteristics of BLF578XR,112 show high efficiency in class-AB operation, making it suitable for power amplifier applications.