B0505S-1WR3 – 5V Isolated DC-DC Converter Module: High-Efficiency 1W SIP Power Supply with Short-Circuit Protection
The B0505S-1WR3 is a compact, high-performance 1W isolated DC-DC converter designed to convert 5V input to 5V output at 200mA, with full 1.5kVDC input-output isolation. Housed in a standard SIP package, this module is ideal for applications requiring signal isolation, noise suppression, and ground loop protection in RS485/RS232 interfaces, industrial controls, embedded systems, and instrumentation. With its continuous short-circuit protection, ultra-low no-load current of 8mA, and wide operating temperature range from -40°C to +105°C, the B0505S-1WR3 offers exceptional stability and reliability. It delivers up to 85% efficiency, making it a power-efficient solution for low-power isolated applications.
Key Features of B0505S-1WR3 Isolated DC-DC Converter
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Input Voltage: 5V DC
Compatible with standard 5V logic and power rails.
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Output Voltage: 5V DC / 200mA
1W unregulated output for isolated power supply applications.
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High Efficiency – Up to 85%
Reduces heat and energy loss in compact embedded systems.
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Continuous Short-Circuit Protection
Enhances module and system-level reliability and safety.
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Ultra-Low No-Load Input Current – 8mA
Optimized for power-sensitive applications with minimal idle consumption.
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I/O Isolation Voltage: 1.5kVDC
Protects devices from voltage surges, noise, and ground loops.
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Extended Operating Temp Range – -40°C to +105°C
Suitable for harsh industrial and automotive environments.
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Industry-Standard SIP Pinout
Drop-in compatible with a wide range of existing designs and footprints.
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Datasheet
