IRx Series Encapsulated Quarter-Brick Isolated DC/DC Converters

Murata Power’s ultra-efficient 1/16th brick DC/DC converters for industrial and railway applications

Image of Murata's IRQ and IRS Series Encapsulated Quarter-Brick Isolated DC/DC ConvertersMurata's IRQ series regulated converter modules come in an industry-standard, fully encased package and are fully isolated (3,000 VRMS). The IRQ's diode rectifier topology and fixed frequency operations provide excellent efficiencies. Multiple options of this series include various pin lengths and flanged baseplates. The IRQ series accept a 57.6 VDC to 160 VDC input voltage range with a reinforced insulation system.

The IRS series offers high output current (up to 15 A) in an industry-standard sixteenth brick. The IRS series delivers fixed DC output voltage up to 49.5 W (3.3 V at 15 A) for printed circuit board mounting. The wide range inputs of 18 VDC to 75 VDC (48 V nominal) are ideal for industrial and railway applications.

IRQ Features
  • Encapsulated circuitry for optimal thermal/vibration performance
  • Regulation ±0.3% from no load to full load
  • Maximum baseplate operating temperature: ±100°C, full load
  • Diode rectifier topology 
  • Input voltage range: 57.6 VDC to 160 VDC (covers both 96 V and 110 V input range)
  • Stable no-load operation
IRS Features
  • Baseplate cooling
  • Encapsulated mechanical design
  • On/off logic control
  • Output short circuit and overvoltage protection, along with input undervoltage lockout (UVLO) and overtemperature protection circuits
  • Basic insulation with 2,250 VDC input-to-output isolation and a fully regulated DC output
  • Includes modules with outputs of 3.3 VDC, 5 VDC, and 12 VDC with up to 50 W of output power
  • The universal VIN range of 18 VDC to 75 VDC meets the requirements of EN50155 for nominal input voltages of 37.5 VDC and 48 VDC including brown out and transient conditions
  • With its wide 4:1 input range, the IRS-Q48 supports common bus voltages of 24 VDC, 28 VDC, 37.5 VDC, 48 VDC, and 54 VDC commonly found in industrial, industrial mobility, and rail electronic systems
  • The electrical and mechanical design incorporates proprietary technology providing shock and vibration tolerance that meets or exceeds EN 61373:1999 Category 1, Class B, body mounted requirements
  • With an efficiency of 91%, the converters operate cooler and more efficiently
  • Available with an option for a standard or a flanged baseplate for various conduction cooling configurations including cold wall mounting
IRQ and IRS Applications
  • Rail ecosystems including, but not limited to:
    • Mobile communications signaling
    • Lighting
    • Signs
    • Computing
    • Motor drives
    • Control modules
    • Security systems
  • 12 V, 24 V, and 48 V battery systems
  • Smart grid systems
  • Intermediate bus
  • Harsh environment applications in networking equipment
  • Wireless networking equipment for mobile computing
  • Test equipment

IRQ Series DC/DC Converters

ImageManufacturer Part NumberDescriptionAvailable QuantityView Details
IRQ-5/20-T110N-C datasheet linkDC DC CONVERTER 5V 100WIRQ-5/20-T110N-CDC DC CONVERTER 5V 100W27 - Immediate
IRQ-5/20-T110N-C product page link
IRQ-12/8.3-T110N-C datasheet linkDC DC CONVERTER 12V 100WIRQ-12/8.3-T110N-CDC DC CONVERTER 12V 100W29 - Immediate
IRQ-12/8.3-T110N-C product page link
IRQ-5/20-T110PVF-C datasheet linkDC DC CONVERTER 5V 100WIRQ-5/20-T110PVF-CDC DC CONVERTER 5V 100W29 - Immediate
IRQ-5/20-T110PVF-C product page link
IRQ-12/8.3-T110PVF-C datasheet linkDC DC CONVERTER 12V 100WIRQ-12/8.3-T110PVF-CDC DC CONVERTER 12V 100W30 - Immediate
IRQ-12/8.3-T110PVF-C product page link
IRQ-24/4.2-T110N-C datasheet linkDC DC CONVERTER 24V 100WIRQ-24/4.2-T110N-CDC DC CONVERTER 24V 100W0IRQ-24/4.2-T110N-C product page link
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IRS Series DC/DC Converters

ImageManufacturer Part NumberDescriptionAvailable QuantityView Details
IRS-12/4.5-Q48N-C datasheet linkDC DC CONVERTER 12V 4.5AIRS-12/4.5-Q48N-CDC DC CONVERTER 12V 4.5A36 - Immediate
IRS-12/4.5-Q48N-C product page link
IRS-12/4.5-Q48NF-C datasheet linkDC DC CONVERTER 12V 4.5AIRS-12/4.5-Q48NF-CDC DC CONVERTER 12V 4.5A87 - Immediate
IRS-12/4.5-Q48NF-C product page link
IRS-5/10-Q48N-C datasheet linkDC DC CONVERTER 5V 10AIRS-5/10-Q48N-CDC DC CONVERTER 5V 10A65 - Immediate
IRS-5/10-Q48N-C product page link
IRS-5/10-Q48NF-C datasheet linkDC DC CONVERTER 5V 10AIRS-5/10-Q48NF-CDC DC CONVERTER 5V 10A48 - Immediate
IRS-5/10-Q48NF-C product page link
IRS-3.3/15-Q48N-C datasheet linkDC DC CONVERTER 3.3V 15AIRS-3.3/15-Q48N-CDC DC CONVERTER 3.3V 15A45 - Immediate
IRS-3.3/15-Q48N-C product page link
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Published: 2018-01-29