PCB Mount AC/DC Linear Power Supply


Calex Mfg. Co., Inc. of Concord California announces the Model 3.15.5-115, a low noise linear power supply which provides outputs of +/-15 VDC @ 100 mA and 5 VDC @ 500 mA. The 3.15.5-115 is powered by 115VAC. The 3.15.5-115 is characterized by tight regulation, low noise and outstanding stability. The unit is ideally suited for use as a dual 15-volt rail source with an added 5 VDC output for low voltage circuit requirements.

The voltage accuracy of the 3.15.5-115 is ±1.0%. Line and load regulation is ±0.1%. Noise and ripple is only 2 mV RMS. The input frequency range is 50 to 60 Hz. The 3.15.5-115 is housed in a 2.5" x 3.5" x 1.25"H case which is fully encapsulated with an epoxy potting compound making the unit ruggedized for harsh environments. The case operating temperature range is -25 to +50°C. Chassis mounting kits are available for applications requiring screw terminal connections. The 3.15.5-115 is backed by Calex’s five year warranty.


  • low noise
  • outputs of +/-15 VDC @ 100 mA and 5 VDC @ 500 mA.

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