# B0505S-1WR3 (Component) ## Description The B0505S-1WR3 is a compact isolated DC-DC power converter module designed to provide regulated power conversion while maintaining galvanic isolation between input and output circuits. The module incorporates high-frequency switching technology and transformer isolation to deliver stable power with reduced noise coupling and improved system safety. It is widely used in industrial control systems, communication equipment, instrumentation, data acquisition devices, medical electronics, and embedded applications where isolated power rails are required to eliminate ground loops and enhance signal integrity. Engineering Specification Device Type Isolated DC-DC Converter Module Power Conversion Topology Transformer-Isolated Switching Regulator Input Configuration Single DC Input Output Configuration Single Isolated DC Output Isolation Method Internal High-Frequency Transformer Isolation Regulation Characteristics Regulated Output Voltage High Conversion Efficiency Low Output Ripple and Noise Electrical Features Galvanic Isolation Between Input and Output Enhanced Noise Immunity Stable Load Regulation Reliable Power Transfer Performance Protection Characteristics Short-Circuit Resistant Design Input-to-Output Isolation Protection Thermal Reliability Enhancement Package Style Single In-Line Through-Hole Package Mounting Type Through-Hole Mounting Environmental Characteristics Industrial-Grade Reliability Long Operational Lifetime High Resistance to Electrical Interference Suitable for Harsh Operating Environments Applications Industrial Automation Equipment Data Acquisition Systems Sensor Signal Conditioning Communication Interfaces Medical Electronics Embedded Control Systems Power Supply Isolation Instrumentation Equipment Process Control Devices Microcontroller-Based Systems Features Compact Integrated Module Isolated Power Distribution High Reliability Design Low Electromagnetic Interference Simple Circuit Integration Efficient Power Conversion Stable Output Performance Wide Application Compatibility RoHS Compliant Construction Manufacturer MORNSUN #commonpartslibrary #powermodule #dcdcconverter #isolatedpower #galvanicisolation #powermanagement #powersupply #powerelectronics #industrialelectronics #instrumentation #communications #embeddedsystems #medicalelectronics #throughhole #electroniccomponents ## Component Details - **Owner:** lcsc - **Created:** 10/9/2024 - **Last Updated:** 6/1/2026 - **Visibility:** Public - **Manufacturer Name:** TESL*A(清远特斯拉) - **Datasheet URL:** https://www.mornsun-power.com/html/pdf/B0505S-1WR3.html - **Operating Temperature:** -40 to +85°C - **Part Type:** Power Modules - **Output Current:** 200mA - **Max Output Voltage:** 5V - **JLCPCB Part Class:** Extended Part - **Package or Case Code:** PWRM-TH_TESLA_BXXXXS-1WR2 - **Output Power:** 1W - **LCSC Part Number:** C917674 - **Max Input Voltage:** 5V - **Manufacturer Part Number:** B0505S-1WR3 - **Used in:** 62 projects ## Distributor Pricing (qty 1) *Pricing shown for quantity 1. For price breaks and other quantities, open in Flux.* | Distributor | Unit Price (qty 1) | Stock | |------------|--------------------|-------| | [Digi-Key](https://www.digikey.com/en/products/detail/mornsun-america-llc/B0505S-1WR3/13168098) | N/A | N/A | | [HQonline](https://www.hqonline.com/product-detail/isolated-power-modules-rlt-b0505s-1wr3-2500416879) | $0.55215 | 0 | | [LCSC](https://www.lcsc.com/product-detail/power modules_mornsun guangzhou s& t_b0505s-1wr3_C131038.html) | $0.713 | 3.5K | - **Part Type:** Thyristors - **MPN:** B0505S-1WR3 - **Mount Type:** Through Hole - **Package / Case Code:** Module - **Pin Count:** 4 - **Compliance:** Rohs ## Pins | Pin | Name | Type | |-----|------|------| | 1 | GND | | | 2 | VIN | | | 3 | 0V | | | 4 | +VO | | --- *Generated from [https://www.flux.ai/lcsc/b0505s-1wr3~em7k](https://www.flux.ai/lcsc/b0505s-1wr3~em7k)*