Electronic Design
Encapsulation Adapts AC-DC Linear Supply For Harsh Environs

Encapsulation Adapts AC-DC Linear Supply For Harsh Environs

Calex Mfg. Co.’s new low-noise linear power supply delivers an output of ±15 V dc at 350 mA. Featuring tight regulation and high stability in addition to the low noise, the 2.15.350 will be suited for use as a dual 15-V rail source. It can be powered by 100, 115, 220, 230, or 240 V ac. Specifications include a voltage accuracy of ±0.5%; line and load regulation of ±0.04%, and noise and ripple that measure 2 mV rms. Input frequency ranges from 50 to 60 Hz. The supply comes in a 2.5- by 3.5- by 1.56-in. case that’s fully encapsulated with an epoxy potting compound, which ruggedizes it for harsh environments. The case’s operating temperature ranges from −25 to +50°C. Chassis mounting kits are available for applications that require screw terminal connections.


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