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- SKU: 07791
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Hi-Link B2405S-1WR3 24V to 5V 1W Isolated DC-DC Power Supply Converter Module SIP-4 Package
The Hi-Link B2405S-1WR3 Isolated DC-DC Power Supply Module is a compact and efficient isolated DC-DC converter module designed to step down a 24V DC input to a stable 5V DC output with up to 1W power capacity. Built with galvanic isolation, this module helps protect sensitive circuits from voltage spikes, electrical noise, and ground loop interference, making it ideal for industrial control systems, embedded electronics, instrumentation, communication equipment, and automation applications.
Featuring a compact SIP-4 package, the B2405S-1WR3 offers easy PCB mounting and reliable long-term performance. The converter provides high efficiency, low ripple noise, and stable voltage regulation while maintaining electrical isolation between input and output circuits. Its wide operating temperature range and durable design make it suitable for harsh industrial environments and space-constrained electronic projects.
This power module is commonly used in RS485 communication circuits, sensor interfaces, microcontroller systems, isolated power rails, and industrial monitoring equipment where safe and stable isolated power conversion is required.
Features
- Wide 18V–36V DC input voltage range
- Stable regulated 5V DC isolated output
- 1W output power capacity
- High isolation voltage for circuit protection
- Compact SIP-4 package for easy PCB mounting
- Low ripple and noise output
- High conversion efficiency
- Built-in short circuit protection
- Reliable operation in industrial environments
- Suitable for embedded and communication systems
Applications
- Industrial automation equipment
- RS485 / UART isolated communication circuits
- Sensor signal isolation systems
- Microcontroller and embedded projects
- Telecom and networking devices
- Power supply isolation for analog circuits
- Medical and instrumentation equipment
- Battery-powered industrial devices
- PLC and control systems
- IoT and smart monitoring devices
Specifications
- Product Model: B2405S-1WR3
- Input Voltage: 24V DC
- Input Voltage Range: 18V – 36V DC
- Output Voltage: 5V DC
- Output Power: 1W
- Output Current: 200mA Max
- Isolation Voltage: 1500VDC
- Efficiency: Up to 80%
- Package Type: SIP-4
- Operating Temperature: -40°C to +85°C
- Output Regulation: Regulated Output
- Ripple & Noise: Low Ripple Output
- Mounting Type: Through Hole PCB Mount
Package Includes
- 1x B2405S-1WR3 24V to 5V 1W Isolated DC-DC Power Supply Converter Module SIP-4 Package
Warranty Terms :
Branded products (Waveshare/ Raspberry Pi/ Radxa/ DWIN etc) are as per brand warranty terms. Generic products are eligible for replacement within 7 days of delivery based on following conditions.
Products are eligible for a replacement if there is physical damage during transit or a clear manufacturing defect. Any claim for damage/ wrong items/ replacement must be made within 48 hours of successful delivery of the product. Requests for refund of amount or exchange of product(s) will be reviewed on a case by case basis and HUBTRONICS carries final rights to take a final decision on refund, store credit or exchange.
What to take care of ?
Most of our products are technical in nature and require trained personnel to handle them. Any kind of mishandling can result in damage or malfunctioning of the product, it is not possible for us to provide a replacement or refund if the product is damaged due to technical or physical mishandling.
Who pays the return shipping cost?
Free of cost return pickup from delivery address is eligible for products categorized as manufacturing defect/ Damage in transit/ Wrong items delivered. We do not support return pickup for any B2B order or offline orders not placed on website. Buyer need to arrange return shipping for B2B orders.
What voids warranty?
Please note that replacement/ return or refund is not possible if the product is not compatible with your system/application. Please check all the technical details/ dimensions etc. before ordering and contact us for any kind of clarifications.
If product is soldered/ programmed at any point or physically altered in any way, it is not eligible for return/ replacement. If the item requires soldering for testing, please ensure that you use suitable clips or jig to test it without soldering. Any kind of soldering job makes the product ineligible for return or replacement.
Following items are not eligible for return under any circumstances
- Device Programmers / Dongles
- Soldering Consumables (Wire, Flux etc)




