Product Images are shown for illustrative purposes only and may differ from actual product.

B0503S-1WR3 Mornsun Isolated DC - DC Converter

  • Stock: 20

    Availability: InStock priceValidUntil: 2026-04-01

  • Brand: Mornsun
  • SKU: 4024 | DAG764

Availability: InStock priceValidUntil: 2026-04-01

  • Rs. 179.36 (inc GST)
    Rs.152.00 + GST

    Qty :

GST Invoice: Available for all purchases — eligible for input tax credit.

Delivery: 2–8 days across India. No MOQ required.

Bulk Orders: Need more quantity or not in stock? Email: dnatechindia [at] gmail.com

Import Service: We import a wide range of electronic components on request.

Mornsun B0503S-1WR3 Isolated DC-DC Converter

B0503S-1WR3 5V to 3V Converter, 1W power supply, compact SIP package, high efficiency.

The Mornsun B0503S-1WR3 Isolated DC-DC Converter provides a reliable 5V to 3V power supply in a compact SIP package. It is designed for applications needing isolated voltage, making it ideal for pure digital circuits and low-frequency analog circuits. With an efficiency of up to 81%, this converter operates efficiently, ensuring minimal energy loss.

This module features continuous short-circuit protection and a no-load input current as low as 8mA, ensuring safety and reliability in various applications. The Mornsun B0503S-1WR3 is suitable for data switching circuits and relay-driven circuits, making it a versatile choice for engineers looking for a dependable power solution.

With an isolation voltage of 1.5kV and an operating temperature range of -40℃ to +105℃, the Mornsun B0503S-1WR3 Isolated DC-DC Converter guarantees performance in demanding environments. Explore how this product can meet your specific needs in your electronic projects.

Explore the reliable range of Mornsun SMPS at DNA. Mornsun is known for quality power modules. Check other Mornsun SMPS that we have in stock.

At DNA, we cater to all your electronic component needs. If you cannot find specific parts, we can import them for you. We support retail and bulk orders. Check out our range including DC to DC Converter Modules, Inductors, Capacitors, Analog ICs, Diodes, and Super Capacitors. Contact Us.

Features of Mornsun B0503S-1WR3 Isolated DC-DC Converter

  • High efficiency up to 81%
  • Continuous short-circuit protection
  • No-load input current as low as 8mA
  • Compact SIP package
  • I/O Isolation Test voltage: 1.5kVDC/min

Specification of Mornsun B0503S-1WR3 Isolated DC-DC Converter

  • Model Number: B0503S-1WR3
  • Isolation Voltage: 1.5 kVdc/min
  • Input Voltage range: 21.6-26.4 Vdc
  • Nominal voltage: 5 Vdc
  • Output voltage: 3 Volts
  • Output current: 42/5(mA)
  • Wattage: 1W
  • Size: 11.60mm x 6.00mm x 10.16mm
  • Weight: 1.3gm

Applications of Mornsun B0503S-1WR3 Isolated DC-DC Converter

  • Pure digital circuits
  • Low frequency analog circuits
  • Relay-driven circuits
  • Data switching circuits

Related Links for Mornsun B0503S-1WR3 Isolated DC-DC Converter

    Package Includes

    • 1 X Mornsun B0503S-1WR3 Isolated DC - DC Converter
    Extra Information
    Country of Origin China
    Imported By ElectroSource Private Limited

    Reviews (2)

    Write a review

    Note: HTML is not translated!
        Bad           Good
    CAPTCHA verification code

    Frequently Asked Questions

    Do you provide a GST bills?
    Yes we provide GST Bill by the name of DNA Solutions. You will receive a GST compliant invoice for your records. You can take GST benefit.
    What is your return / replacement policy?
    Returns/replacements depend on the item type and condition. If there’s an issue, contact us with photos/videos and we’ll guide you as per policy.
    Do you ship all over India?
    Yes — we dispatch orders across India.
    I forgot to add GST number at time of placing order, but I need GST Invoice in my firms name?
    You can contact us via Contact us page and send your order details and GST number we will send you updated Invoice soft copy.
    Do you accept bulk / OEM orders?
    Yes — we handle bulk orders and OEM supply requests across India. Share part number and quantity for a quote.
    Do you supply branded parts (Texas Instruments, ST, Vishay, etc.)?
    Yes — if a brand/manufacturer is listed on the product page. If not listed, share the exact manufacturer + part number and we’ll check sourcing options.

    NEW Products

    Product Page : New Products

    Semikron SKKT57B16E Thyristor/Diode Module

    Semikron SKKT57B16E Thyristor/Diode ModuleSKKT57B16E Thyristor Diode Module for high reliability wit..

    Rs.1,282.66 (inc GST)
    Rs.1,087.00 + GST

    SKU: 3022 | DAE773
    Stock: 2

    Hongfa HF46F/24-HS1T 24 Volt Relay

    Hongfa HF46F/24-HS1T 24 Volt Electromagnetic RelayHongfa HF46F/24-HS1T Relay, 24VDC, SPDT, 5A contac..

    Rs.44.84 (inc GST)
    Rs.38.00 + GST

    SKU: 7961 | DAH695
    Stock: 50

    20k Single Turn Potentiometer

    Potentiometer 20K Variable Resistor 3386-20k Trimpot with 20Kohm resistance, 500mW power rating, and..

    Rs.11.80 (inc GST)
    Rs.10.00 + GST

    SKU: 1417 | DAB204
    Stock: 30

    6S Active Balance Battery Management System Module

    6S Active Balance Battery Management System Module 6S Active BMS Module for lithium-ion packs with o..

    Rs.1,062.00 (inc GST)
    Rs.900.00 + GST

    SKU: 7396 | DAH232
    Stock: 1

    Have You Seen

    Product Page : Have You Seen

    XY129 3 Pin PCB Mount Screwable Terminal Block

    3 Pin XY129 5.08 mm pitch PCB Mount Terminal BlockXY129 PCB Mount 3 Pin 5.08 mm pitch Screwable Term..

    Rs.21.24 (inc GST)
    Rs.18.00 + GST

    SKU: 2747 | DAE287
    Stock: 30

    IRFP450 N-Channel Power MOSFET (Doingter)

    Doingter IRFP450 N Channel Power MOSFETIRFP450 N Channel MOSFET; 500V Drain-Source Voltage; Fast Swi..

    Rs.100.30 (inc GST)
    Rs.85.00 + GST

    SKU: 636 | DAE542
    Stock: 45

    XL2596 5.0Volt PWM Stepdown DC/DC Buck Converter TO-220-5 IC

    XL2596 5.0Volt PWM Stepdown DC/DC Buck ConverterXL2596 PWM Buck Converter 5V Output, 3A Load, 90% Ef..

    Rs.46.14 (inc GST)
    Rs.39.10 + GST

    SKU: 7254 | DAF752
    Stock: 150

    SS34 SMA Schottky Diode

    SS34 SMA Schottky Diode SS34 is a Surface Mount Schottky Barrier Rectifier. It is suitable for use ..

    Rs.7.08 (inc GST)
    Rs.6.00 + GST

    SKU: 1081 | DAB679
    Stock: 1958

    Related Products

    Doingter 12N65 N-Channel Power MOSFET

    Doingter 12N65 N-Channel Power MOSFET

    Doingter 12N65 N-Channel Power MOSFET 12N65 MOSFET designed for high voltage applications with 650V..

    Rs.55.34 (inc GST)
    Rs.46.90 + GST

    SKU: 2832 | DAE500
    Stock: 9
    E1212S-1WR3 Mornsun 12V To 12V DC-DC Converter 1Watt Isolated Module

    E1212S-1WR3 Mornsun 12V To 12V DC-DC Converter 1Watt Isolated Module

    Mornsun E1212S-1WR3 12V DC-DC Converter ModuleE1212S-1WR3 12V DC-DC Converter; 1 Watt; Isolated modu..

    Rs.244.26 (inc GST)
    Rs.207.00 + GST

    SKU: 7500 | DAH267
    Stock: 50
    K7805-2000R3 Mornsun 24V to 5V DC-DC Converter 2W Power Supply Module

    K7805-2000R3 Mornsun 24V to 5V DC-DC Converter 2W Power Supply Module

    Mornsun K7805-2000R3 24V to 5V DC-DC Converter Module K7805-2000R3 DC-DC Converter converts 24V to ..

    Rs.261.09 (inc GST)
    Rs.221.27 + GST

    SKU: 7578 | DAH399
    Stock: 10
    MORNSUN URA4812YMD-10WR3 48V to 12V 10W ±0.42 833mA DC to DC Isolation Voltage 1500VDC Power Module Converter

    MORNSUN URA4812YMD-10WR3 48V to 12V 10W ±0.42 833mA DC to DC Isolation Voltage 1500VDC Power Module Converter

    Mornsun URA4812YMD-10WR3 DC-DC Power Module Converter Mornsun URA4812YMD-10WR3 48V to 12V converter..

    Rs.1,132.96 (inc GST)
    Rs.960.14 + GST

    SKU: 7651 | DAH507
    Stock: 3
    B1215S 1WR3 MORNSUN ISOLATED DC TO DC CONVERTER

    B1215S 1WR3 MORNSUN ISOLATED DC TO DC CONVERTER

    Mornsun B1215S 1WR3 Isolated DC to DC Converter B1215S 1WR3 DC-DC Converter with 12V input, 15V out..

    Rs.192.81 (inc GST)
    Rs.163.40 + GST

    SKU: 7831 | DAH623
    Stock: 0
    30cm Lipo Battery Strap Belt Reusable Cable Tie Wrap

    30cm Lipo Battery Strap Belt Reusable Cable Tie Wrap

    30cm Lipo Battery Strap Belt Reusable Cable 30cm Lipo Battery Strap Belt for secure battery manageme..

    Rs.90.30 (inc GST)
    Rs.76.52 + GST

    SKU: 8221 | DAD709
    Stock: 10
    Mornsun LS15-23B15DR3 AC-DC Power Converter Module

    Mornsun LS15-23B15DR3 AC-DC Power Converter Module

    Mornsun LS15-23B15DR3 AC-DC Power Converter ModuleMornsun LS15-23B15DR3 AC-DC converter offers 15W o..

    Rs.568.04 (inc GST)
    Rs.481.39 + GST

    SKU: 10542 | DAJ469
    Stock: 25