
Save up to 60% on B0505S-1WR3
Isolated DC-DC Power Module
Direct Alternative to Recom, Murata & Mornsun without compromise.

Lowest Cost in Class
Engineered for cost-sensitive designs – typically 60% lower than equivalent parts from premium brands.

Drop-in Replacement
Industry-standard SIP-4 package and pinout compatible with Recom, Murata, Mornsun. No PCB redesign needed.

Isolation & Protection
1500VDC isolation, Continuous short-circuit protection, over current and over temperature protection features.

Stable & Efficient
Typical efficiency 76–85%, tight input range (4.5–5.5V), Low ripple for digital & analog circuits, and qualified EMI performance.
Why Choose SiModule B0505S?
Low-Cost B0505S Isolated DC-DC Converter Module by SiModule – Direct Alternative to Recom, Murata & Mornsun. Save up to 60% cost without compromise. SiModule B0505S 1W isolated DC-DC module (5V to 5V, 1500V isolation) – pin-to-pin compatible replacement for Recom R1S/Rxx05x, Murata NKE/NML, Mornsun B0505S series. Industrial grade, reliable, in stock.
Product Specifications
Low-Cost B0505S Isolated DC-DC Converter Module by SiModule – Direct Alternative to Recom, Murata & Mornsun. Save up to 60% cost without compromise. SiModule B0505S 1W isolated DC-DC module (5V to 5V, 1500V isolation) – pin-to-pin compatible replacement for Recom R1S/Rxx05x, Murata NKE/NML, Mornsun B0505S series. Industrial grade, reliable, in stock.
| Parameter | SiModule B0505S |
|---|---|
| Input Voltage Range | 4.5 – 5.5 V |
| Output Voltage | 5 V |
| Output Power | 1 W |
| Efficiency | 85% |
| Isolation Voltage | 1500 VDC (1min) |
| Operating Temperature | -40°C to +85°C |
| Regulatory | RoHS |
Typical Applications
Isolated RS-232 / RS-485 / CAN transceiver power
Digital signal isolation (MCU, FPGA I/O)
Sensor / transducer power supply
Industrial control & automation
Battery-powered equipment requiring isolation
Data acquisition systems
Replace expensive brand-name modules in cost-optimized designs

Why OEMs & Engineers Trust SiModule B0505S
- 100% pin-to-pin & spec compatible with leading brands
- Strict ATE testing – full batch inspection
- 12-month quality warranty
- Free samples for qualified projects (MOQ 100 pcs)
- Fast delivery from Hong Kong / Shenzhen stock
Why Choose SiModule as Your 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

