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XP POWER QHL75300S48 DC-DC Converter

The QHL75 series provides a compact 75W DC-DC converter in an industry-standard quarter brick package. Designed for distributed power architectures, it features an integral baseplate for conduction cooling and reinforced insulation for enhanced safety. The module supports an input voltage range of 180 to 450 VDC, offers a trim-adjustable output voltage within ±20% (with -20%/+10% for 5V output), and includes protections against over-current, over-temperature, and over-voltage conditions. It operates reliably across a temperature range of -40°C to +105°C and provides 3KVAC reinforced isolation, remote on/off control, short circuit protection, and a three-year warranty.

Authorized Distributors
Source:DigiKey
Part No:QHL75300S48
Stock:4
Inv Date:05-29-2026
Price: Unit price: $126.59
Buy/RFQ:
Part No:QHL75300S48
Stock:5
Inv Date:05-30-2026
Price: Unit price: $107.12
Buy/RFQ:
Part No:QHL75300S48
Stock:0
Inv Date:05-29-2026
Price: Unit price: $201.23
Buy/RFQ:

XP POWER QHL75300S48 DC-DC Converter Specifications:

  • Input Voltage Range: 180 to 450 VDC
  • Output Power: 75W
  • Output Voltage: Regulated single outputs from 5V to 48VDC
  • Output Voltage Trim: +20% (limited to +10% for 5V)
  • Isolation: Reinforced 3KVAC
  • Efficiency: Up to 90%
  • Operating Temperature: -40°C to +105°C
  • Cooling: Baseplate cooled
  • Protections: Over current, over temperature, over voltage, short circuit
  • Remote On/Off: Yes
  • Dimensions: 2.28 x 1.45 x 0.50 inches (57.9 x 36.8 x 12.7 mm)
  • Safety: UL/cUL, EN62368-1, EN45545-2
  • Humidity: 95% RH non-condensing
  • Weight: Approximately 65 grams

Buy the Buy XP Power QHL75 Series Part Number QHL75300S48 Online

Discover the high-performance XP Power DC-DC converter designed for demanding industrial applications. The QHL75 series delivers 75W of power, featuring conduction cooling via an integral baseplate and reinforced insulation for safety. Its wide input voltage of 180 to 450 VDC, high efficiency up to 90%, and adjustable output voltage from 5V to 48V make it versatile across various systems. With protections against over-current, over-voltage, and over-temperature, alongside remote on/off control and a three-year warranty, this module ensures reliable, long-lasting operation in extreme conditions from -40°C to +105°C. Perfect for LED lighting, robotics, and electronics manufacturing.

Get XP Power QHL75 series converter today—built for industrial reliability, conduction cooling, and enhanced safety in distributed power systems.

Frequently Asked Questions

Where can I buy XP POWER QHL75300S48?

You can click on the BUY or RFQ button to purchase QHL75300S48 from an authorized XP POWER distributor.

How do I troubleshoot issues or seek technical support for part QHL75300S48?

You can download the QHL75300S48 datasheet or visit the XP POWER website for support.

Who is the manufacturer of QHL75300S48?

XP POWER

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