3.3V 12A 39.6W Reliable Railway Enclosed DC-DC Converter 18-72 Vin

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$35.20 ea

Lead time 14 weeks

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  • Jameco Part no.: 2254717
  • Manufacturer: MEAN WELL
  • Manufacturer no.: RSD-60L-3.3
  • NCNR (Non-Cancelable, Non Returnable)
  • HTS code: 8504406012
  • Web Exclusive
# of units Price
1+ $35.20
10+ $32.00

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3.3V 12A 39.6W Reliable Railway Enclosed DC-DC Converter 18-72 Vin

3.3 Volts DC @ 12 Amps


  • Compliance to EN50155 and EN45545-2 railway standard
  • Ultra compact and 1U low profile (25mm)
  • 4:1 wide input range
  • No minimum load required
  • Protections: Short circuit, overload, over voltage, input reverse polarity
  • 4000 VDC I/O isolation
  • Half encapsulated, cooling by free air convection
  • -40 to +70°C wide working temperature
  • Built-in constant current limiting circuit
  • LED indicator for power on
  • Screw terminals
  • 3 year warranty


  • Output voltage: 3.3 VDC
  • Output current: 12 Amps
  • Rated power: 39.6 Watts
  • Input voltage range: 18 to 72 VDC
  • Efficiency: 88.5%
  • Line regulation: 0.5%
  • Load regulation: 0.5%
  • Ripple & noise: 60 mVp-p
  • Size: 5.04"L x 2.36"W x 0.98"H
  • Agency approvals: CE


  • Bus, tram, metro or railway systems
  • Highly vibrating, highly dusty, extremely low or high temperature harsh environment
  • Wireless network
  • Telecom or Datacom system
  • Industry control system

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Specification Value
Number of Outputs1
Primary Output Voltage (VDC)3.3
Additional Output Voltages (VDC)n/a
Output Current (A)12
Input Voltage Range (VDC)18 to 72
Maximum Input Current (A)0.95
Output Connector TypeScrew Terminal Block
Package TypeRailway Enclosed
Size (L" x W" x H")5.04 x 2.36 x 0.98
Agency ApprovalsUL/CUL/CB/CE/EN/EAC
Maximum Output Power (W)39.6
Product TypeIsolated Railway DC to DC Converter
Efficiency (%)88.5
Input Voltage (VDC)48
Operating Temperature-Min (Cel)-40
Operating Temperature-Max (Cel)55
Length (inch)5.04
Width (inch)2.36
Height (inch)0.98

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