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DC / DC converter AER50, compact power supply for the railway.

  • AER50


  • Wide input range (4:1)
  • Single output (5 V, 12 V, 15 V, 24 V)
  • Power: 50 W
  • PCB mounting
  • Quarter Brick (57,9 mm x 36,8 mm x 12,7 mm)
  • Over temperature shut down
  • Over current protection
  • Short circuit protection
  • Switching frequency (320 kHz)
  • Ripple: <1 % pk-pk
  • Temperature: -40 °C...+ 80 °C
  • Acc. Railway standard EN 50155 und 50121-3-2 with external components (EMC)

Reach√ RoHs√ Material conflict-free√

The Autronic AER50 series is a brand-new generation of high performance, convection cooled 50 W DC/DC converters.

Small and powerful DC / DC converter for railway and more

The AER50 series has been designed specifically for use in railway applications and in harsh environments. Due to their compact design the small power supplies can perfectly be used in display solutions, customer information systems, radio modules or for switches and repeaters. Additionally, due to their UL / cUL60950 certification they are a safe choice for industrial and telecommunication applications.

The electrically isolated power supplies are available with common input voltages of 72 V or 110 V, including a tolerance of +/- 40 %. The compact module solutions comply with the railway standard EN 50155 as well as the EMC standard EN 50121-3-2 with low external components.

The DC/DC converters certified for railway applications have a very high efficiency of up to 92% in a compact housing and can be used for operating temperatures between -40 °C and 85 °C. Optionally, the AER50 is available with heat sink, so higher heat dissipation can be guaranteed even at higher requirements. Other product features are the high, reinforced insulation (I/O 3000 VAC), remote on/off, undervoltage shutdown, overload and over-temperature protection which provides protection against damages.

The DC/DC converter is available with single output with 5 V, 12 V, 15 V and 24 V. The outputs can be trimmed +/-10 %. No minimum load is required, the start time of the converter is 0.35 s

The quarter bricks have been tested according to the Fire and Smoke EN 45545-2, and have passed the shock/vibration test according to EN 61373 (category 1, class B). Acceptance according to EN 60950-1 is available.


min. - max.
Vout1/VIout1/ATypeOrder number
43 - 101510AER50-72S0511751156115
43 - 101124,17AER50-72S1211751156218
43 - 101153,33AER50-72S1511751156312
43 - 101242,08AER50-72S2411751156415
66 - 160510AER50-110S0511751157117
66 - 160124,17AER50-110S1211751157211
66 - 160153,33AER50-110S1511751157314
66 - 160242,08AER50-110S2411751157417
43 - 101510AER50-72S05/K11751156148
43 - 101124,17AER50-72S12/K11751156242
43 - 101153,33AER50-72S15/K11751156345
43 - 101242,08AER50-72S24/K11751156448
66 - 160510AER50-110S05/K11751157141
66 - 160124,17AER50-110S12/K11751157244
66 - 160153,33AER50-110S15/K11751157347
66 - 160242,08AER50-110S24/K11751157441

For partnumber A-Pinning & Heatsink see datasheet

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