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8-40V In 13.8V Out 20A Boost Buck DC/DC Converter DC Power Stabilizer EM8-40S13R820

8-40V In 13.8V Out 20A Boost Buck DC/DC Converter DC Power Stabilizer EM8-40S13R820

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Power your critical devices with a stable and reliable 13.8V DC power supply! This high-performance DC-DC Boost Buck Converter efficiently converts a wide input voltage range (8-40V) to a fixed 13.8V output at up to 20A. Ideal for a variety of applications including automotive communication equipment (I.e. Amateur, GMRS, CB and Commercial radios), LED lighting, industrial control, battery charging, and more.

This robust boost-buck (step-up/step-down) converter is designed for demanding environments and provides a stable, regulated output even when the input voltage fluctuates above or below 13.8V. The "Boost-Buck" topology makes it perfect for automotive, solar, and other applications with unstable power sources.

Key Features:

  • Wide Input Voltage Range: Accepts 8V to 40V DC input.
  • Stable 13.8VDC Output: Boost-Buck (Step-Up/Step-down) topology provides a consistent 13.8V output voltage, crucial for sensitive electronics.
  • High Efficiency: Up to 96.2% efficiency (@ 12Vin, 25℃) minimizing heat and maximizing power delivery.
  • Waterproof IP68: Fully waterproof and protected against dust and immersion, ensuring reliable operation in harsh conditions.
  • Robust Protection: Short circuit, overload, and low voltage protection safeguards your devices and the converter itself.
  • Wide Temperature Range: Operates reliably in extreme temperatures, down to -40°C.
  • High-Quality Components: Brand-name capacitors ensure long-term reliability and performance.
  • Transient Protection: Input transient absorption protection for added safety.
  • Burn-in Tested: 100% full load burn-in tested for guaranteed performance and reliability.

Applications:

  • Mobile Radio Equipment (Amateur, GMRS, CB, & Commercial Radios)
  • Automotive & Vehicle Systems
  • LED Light Bars & Lighting Systems
  • Industrial Control Boards
  • Battery Maintenance & Charging
  • Solar Power Systems
  • Alternative Energy Projects
  • Golf Carts
  • Forklifts
  • Electromotors
  • Telecommunications
  • Boat & Yacht

Specifications:

  • Input Voltage: 8-40V DC
  • Output Voltage: 13.8V DC
  • Maximum Output Current: 20A (Maximum)
  • Maximum Output Power: 276 Watts
  • Efficiency: 96.2% (Typical @ 12V input)
  • Dimensions: 74 * 74 * 32 mm (2.91 x 2.91 x 1.26 inches)
  • Waterproof Rating: IP68
  • Operating Temperature: -40°C to +55°C (Ambient)
  • Weight: ≤ 290g
  • Protections: Short Circuit, Over Load, Low Voltage, Over Temperature
  • Switching Frequency: 120±10 KHz
  • MTBF: ≥ 200,000 H

Wiring Instructions:

  • Red wire: +Vin (Positive Input)
  • Black wire: -Vin (Ground Input)
  • Yellow wire: +Vout (Positive Output)
  • Black wire: -Vout (Ground Output)

Note: Ensure proper wire gauge for the current requirements of your application.

Thermal Considerations:

Ensure adequate airflow for optimal performance. Monitor the shell temperature to prevent overheating.

Datasheet:

EM8-40S13R820 Datasheet (PDF, click link to download)

Package Includes:

  • 1x 8-40V in to 13.8V 20A out DC-DC Boost Buck Converter/DC Power Stabilizer
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