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.

ParameterSiModule B0505S
Input Voltage Range4.5 – 5.5 V
Output Voltage5 V
Output Power1 W
Efficiency85%
Isolation Voltage1500 VDC (1min)
Operating Temperature-40°C to +85°C
RegulatoryRoHS

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
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