Mean Well IOB-05-03 AC-DC On Board Type Power Module 3.3W 3.3V 1A

The IOB-05-03 is a compact AC-DC on-board power module designed for systems that need a regulated 3.3V DC output. With a 3.3W power rating and 1A rated current, it suits low-power embedded and control applications where board space is limited.

This model provides a 3.3V DC output at up to 1A, for a total rated power of 3.3W. It accepts a wide 85 to 305Vac input range and can also operate from 100 to 430Vdc input.

Yes. The IOB-05-03 supports a broad 85 to 305Vac input range, which makes it suitable for equipment used across different mains conditions. That wide range can simplify product selection for OEMs serving multiple markets.

This module is rated for operation from -40°C to +85°C, which is wider than many standard indoor-only power modules. That makes it a practical option for equipment exposed to cold starts or elevated internal enclosure temperatures, subject to the product's derating guidance.

The IOB-05-03 includes short circuit, overload, and over voltage protection. Short circuit protection is continuous with automatic recovery in hiccup mode, and overload protection also recovers automatically after the fault condition is removed.

The IOB-05-03 is designed as an on-board module with a 26.4 x 14.73 x 11mm body, roughly a 1 inch by 0.6 inch footprint. Compared with larger enclosed or chassis-mount supplies, it is intended for applications where compact size and direct PCB integration are priorities.