
Wide Input Voltage
Isolated DC-DC Modules
professional power module manufactuer since 2016
Why Choose SiModule as Your Wide Input Power Module Partner
- Established 2016, 5,000㎡ ShenZhen factory
- 40+ employees including 10+ R&D engineers
- 8 SMT lines + full automatic testing & burn-in facilities
- Monthly capacity 500K pcs – stable supply chain
- Pin-compatible or functional alternative to RECOM & Murata & Mornsun
- “In Silicon We Trust” – quality you can rely on
- Fast OEM/ODM support: custom voltage, power, or packaging in as little as 4 weeks
Recommended products
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[WRB1215S-3WR3] 9-18V Input, 15V Output, 3W Isolated Regulated Power Module
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[URB2403S-3WR3] 9-36V Input, 3.3V Output, 3W Isolated Regulated Power Module
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[WRB1212S-3WR3] 9-18V Input, 12V Output 3W Isolated Regulated Power Supply
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[URB2415S-3WR3] 9-36V Input, 15V Output, 3W Isolated Regulated Power Module
Why Wide Input Matters
In today’s industrial and renewable energy systems, power sources are often unstable. Battery voltage fluctuates, solar panels vary with weather, and industrial grids experience spikes.
SiModule’s wide input DC-DC converter modules solve this problem with true 2:1 and 4:1 input ranges, giving your design maximum flexibility and reliability.
Our Wide Input Series Highlights
- Ultra-Wide Input Range:9–18V (2:1) and 9–36V (4:1) options – covers almost any industrial or battery voltage.
- High Isolation & Safety:Up to 3000VDC isolation, reinforced insulation available.
- Excellent Performance:Efficiency up to 92%, low ripple & noise, -40°C to +85°C operating temperature.
- Compact Open-Frame Design:Easy PCB mounting, high power density, ideal for space-constrained applications.
- Certified & Reliable:CE, RoHS, REACH compliant. 100% burn-in tested before shipment.




Perfect for Demanding Applications
- Photovoltaic Inverters & Energy Storage
- Battery Management Systems (BMS)
- Industrial Automation & Control
- Railway & Transportation Equipment
- Medical Devices (non-patient contact)
- Telecom & 5G Base Stations
Contact Us
Ready to solve your wide input power challenges? Tell us your input/output requirements and we will:
- Recommend the best model
- Provide competitive factory pricing
- Send free samples within 48 hours
![[WRB1215S-3WR3] 9-18V Input, 15V Output, 3W Isolated Regulated Power Module](https://simodule.com/wp-content/uploads/Wide-input-Voltage/WRB1215S-3W-7892-8740K1/WRB1215S-3W-7892-8740K1-A-420x420.jpg)
![[URB2403S-3WR3] 9-36V Input, 3.3V Output, 3W Isolated Regulated Power Module](https://simodule.com/wp-content/uploads/Wide-input-Voltage/URB2403S-3W-7892-8768K/URB2403S-3W-7892-8768K-A-420x420.jpg)
![[WRB1212S-3WR3] 9-18V Input, 12V Output 3W Isolated Regulated Power Supply](https://simodule.com/wp-content/uploads/Wide-input-Voltage/WRB1212S-3W-7892-8740K1/WRB1212S-3W-7892-8740K1-A-420x420.jpg)
![[URB2415S-3WR3] 9-36V Input, 15V Output, 3W Isolated Regulated Power Module](https://simodule.com/wp-content/uploads/Wide-input-Voltage/URB2415S-3W-7892-8740K1/WRB2415S-3W-7892-8740K1-A-420x420.jpg)