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TDK-Lambda’s CN100A24 100W railway DC-DC power module is part of its 24V DC input series and can be used for rolling stock and fixed installations.

The CN100A24 is a quarter-brick power module and accepts an input voltage of 14.4–36V DC with a 40V DC surge capability for three seconds.

According to TDK-Lambda, the module enables companies to design EN50155 compliant systems in a shorter timescale, and complements the existing CN-A110 series (60–160V DC).

The company also has a design and manufacture service for customers who prefer to purchase complete systems.

Key product features

  • CN100A24 meets the shock and vibration requirements of IEC61373 Category 1 Class B, as well as the Japanese equivalent standard JIS E 4031
  • The module is safety-approved to UL/CSA/EN60950-1 and carries the CE mark, according to the LV Directive
  • Provides power from -40°C to 100°C without derating
  • Baseplate-cooled
  • Industry-standard quarter-brick pinout
  • CN100A24’s nominal output ranges from 5 to 24V and offers up to 88 per cent power conversion efficiency
  • Power density of 60W/in³
  • The CN100A24 delivers up to 20A usable output current in a package measuring 1.45in x 0.5in x 2.28in (36.8 x 12.7 x 57.9mm)
  • Delivered with a five-year warranty period
  • All models in the CN-A24 series are equipped with remote sense and remote on/off.
  • All have input-to-output isolation of 3.0kVac for one minute
  • All have over-voltage and over-current protection circuitry

TDK-Lambda is a subsidiary of the TDK Corporation, a leading global electronics company (

TDK-Lambda has been a major provider of power supplies for over 60 years.  The company designs and manufactures a wide range of AC-DC Power Supplies and DC-DC Converters for Industrial, Medical, Telecom, Datacom, and Test & Measurement applications worldwide.

With production facilities in Asia, America and EMEA, TDK-Lambda has positioned itself as one of the world’s largest manufacturers of power conversion products with recognized leadership in the
industrial market segment.

With our comprehensive 1.5W to 90kW range of AC/DC power supplies, DC/DC converters, Programmable DC power supplies and EMI noise filters, TDK-Lambda offers the right solution for a wide spectrum of applications.

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