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BLF871S,112
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BLF871S,112 Product Overview

Introduction

The BLF871S,112 is a high-power RF transistor designed for use in various applications. This entry provides an overview of the product, including its category, use, characteristics, package, essence, packaging/quantity, specifications, detailed pin configuration, functional features, advantages and disadvantages, working principles, detailed application field plans, and alternative models.

Basic Information Overview

  • Category: RF Transistor
  • Use: High-power amplification in RF applications
  • Characteristics: High power handling, high frequency operation
  • Package: SOT539A
  • Essence: Power amplification in RF systems
  • Packaging/Quantity: Tape and reel, 800 units per reel

Specifications

  • Frequency Range: 470 - 860 MHz
  • Output Power: 30 W
  • Gain: 14 dB
  • Efficiency: 40%
  • Voltage: 32 V
  • Current: 15 A
  • Operating Temperature: -65°C to +200°C

Detailed Pin Configuration

The BLF871S,112 features a 4-pin configuration: 1. Pin 1 (Emitter): RF input 2. Pin 2 (Base): Bias and control 3. Pin 3 (Collector): RF output 4. Pin 4 (Collector): RF output

Functional Features

  • High power gain
  • Broadband operation
  • High efficiency
  • Excellent thermal stability

Advantages and Disadvantages

Advantages

  • High power handling capability
  • Wide frequency range
  • High efficiency
  • Reliable thermal performance

Disadvantages

  • Limited voltage tolerance
  • Sensitivity to improper biasing

Working Principles

The BLF871S,112 operates on the principle of class-AB power amplification, where it delivers high power output with improved efficiency across a wide frequency range.

Detailed Application Field Plans

The BLF871S,112 is ideal for use in the following applications: - Broadcast transmitters - Cellular base stations - Radar systems - RF plasma generators

Detailed and Complete Alternative Models

  • BLF888A: Similar power handling and frequency range
  • BLF184XR: Higher power output and efficiency

In conclusion, the BLF871S,112 offers high-power amplification capabilities with excellent efficiency and thermal stability, making it suitable for a wide range of RF applications.

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Lista 10 Vanliga frågor och svar relaterade till tillämpningen av BLF871S,112 i tekniska lösningar

  1. What is the operating frequency range of BLF871S,112?

    • The operating frequency range of BLF871S,112 is typically from 470 MHz to 860 MHz.

  2. What is the maximum output power of BLF871S,112?

    • The maximum output power of BLF871S,112 is approximately 120 watts.

  3. What type of modulation schemes is BLF871S,112 suitable for?

    • BLF871S,112 is suitable for various modulation schemes including QAM, OFDM, and FM.

  4. What are the recommended supply voltage and current for BLF871S,112?

    • The recommended supply voltage for BLF871S,112 is typically 32 volts, with a recommended supply current of around 15 amps.

  5. Does BLF871S,112 require external matching networks?

    • Yes, BLF871S,112 typically requires external matching networks for optimal performance.

  6. What are the typical applications for BLF871S,112?

    • BLF871S,112 is commonly used in applications such as digital television transmitters, analog television transmitters, and other broadcast systems.

  7. What is the thermal resistance of BLF871S,112?

    • The thermal resistance of BLF871S,112 is typically around 0.35°C/W.

  8. Is BLF871S,112 RoHS compliant?

    • Yes, BLF871S,112 is RoHS compliant, meeting the requirements for lead-free and environmentally friendly manufacturing.

  9. What are the recommended operating temperature and storage temperature for BLF871S,112?

    • The recommended operating temperature for BLF871S,112 is typically between -20°C and +65°C, with a storage temperature range of -40°C to +150°C.

  10. Does BLF871S,112 have built-in protection features?

    • Yes, BLF871S,112 typically includes built-in protection features such as overcurrent protection and thermal shutdown to ensure safe operation.