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QM05-23BxxR2 AC DC On Board

The K78xxM-1000R3 is a robust switching power module engineered for high-demand environments. Featuring SIP-3 industrial-standard packaging, it ensures durability and easy integration across industrial, automotive, and IoT systems. With an operating temperature range of -40℃ to +85℃, it reliably performs in extreme conditions, from freezing outdoor settings to high-heat industrial machinery. Delivering up to 96% efficiency, it minimizes energy waste and thermal stress while supporting negative output configurations for versatile voltage requirements. Built-in output short-circuit protection enhances system safety and longevity, critical for mission-critical applications in rail traffic, power grids, or industrial control systems. Its compact design and high current capacity (1000mA) make it ideal for space-constrained yet power-intensive setups, such as telecom infrastructure or automotive electronics. Whether deployed in harsh environments or smart IoT networks, the K78xxM-1000R3 combines rugged reliability, energy efficiency, and adaptive functionality, ensuring stable power delivery for next-generation technologies.

Features

1.Rated power: 5W Max

2.Universal input: 85~305VAC 47~63Hz

3.Regulated single output Isolation voltage 4000VAC

4.Typical efficiency 70 … 79%

5.Energy saving, standby power only less than 0.1W

6.Operating temperature range: -40~+85°C

7.RoHS compliance

8.Compact 1”x1” package

9.Low profile 15mm height

10.Over voltage, over current and short circuit protection

11.Certified to IEC/EN/UL62368-1, EN60335-1

12.Meet CISPR32, EN55032 Class B with NO external circuit

13.3 year warranty

Model Number Input Voltage[VAC] Output Voltage
[VDC]
Output Current
[mA]Max.
Efficiency[%]Typ. Capacitive Load[uF]Max.
QM05-23B03R2  85~305VAC
100~430VDC
3.3 1200 70 3000
QM05-23B05R2 5 1000 74 3000
QM05-23B09R2 9 555 78 1200
QM05-23B12R2 12 416 79 1200
QM05-23B15R2 15 333 79 680
QM05-23B24R2 24 208 79 220

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