DC/DC Converters - CALEX Mfg. Co.


ConTech, a Division of Calex, announces the “TMF” Series of DC/DC converters. The TMF Series offers up to 40 Watts of fully regulated output power with an industry standard 2” x 1” footprint. The series offers a 4:1 input range with nominal input voltages of 24VDC and 48VDC. Single outputs offered are 3.3, 5, 12, 15, and 24VDC. Dual outputs are +/-12 and +/-15VDC. The TMF Series operates with efficiencies as high as 90%. 

Features include Remote On/Off, Output Trim, and Short Circuit Protection. The operating ambient temperature range of the TMF is -40 to +51°C with no de-rating (see data sheet for temperature limits of each model). The non de-rated ambient temperature range can be extended with the use of the optional heat sink. The unit is encapsulated with a thermally conductive potting compound in a six-sided metal case for improved thermal performance in still air environments. The TMF series is RoHS compliant.


  • up to 40 Watts of fully regulated output power
  • 2” x 1” footprint
  • 4:1 input range
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