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The Astrodyne TDI OFM-0200 is a 20-watt ultraminiature open frame switching power supply designed for ITE (Commercial) applications. It operates with a universal input voltage range of 90-264 VAC and provides a regulated 3.3 VDC output at a maximum average current of 5.4 A.
This power supply boasts high efficiency, typically between 75% and 78%, and features adjustable output with a range of ±6% of the primary voltage. It offers robust isolation, with 3000 VAC between input and output, and 1500 VAC between input and ground. The unit is designed for chassis mounting and has a compact size of 2.0" x 3.5" x 0.80".
Key electrical specifications include a switching frequency of 100 kHz, typical ripple and noise of 100mV Pk-Pk, and a hold-up time of 14ms at 120 VAC. It also includes continuous short circuit protection with auto-recovery and over-voltage protection clamped between 130-150%. The operating temperature range is 0°C to 50°C, with derating as specified in the datasheet.
The OFM-0200 provides a 3.3 VDC output voltage.
The OFM-0200 accepts a universal input voltage range of 90-264 VAC.
The maximum average output current for the OFM-0200 is 5.4 A.
The efficiency of the OFM-0200 is typically between 75% and 78% at nominal input.
The OFM-0200 has dimensions of 2.0" x 3.5" x 0.80".
The OFM-0200 operates between 0°C and 50°C.
The OFM-0200 is approved under cURus and complies with Standard Number 60950-1.