Home
Products
- DC/DC Converters
  Isolated DC-DC Converters: 0.1W-150W output power, multiple packages (SIP, DIP, SMD, half-brick, quarter-brick), 1000+ models, 6000V high isolation voltage.
  
  advanced selector tool
- AC/DC Power Supplies
  AC-DC Power Supplies: Focus on low-to-medium power, support safe isolation, compatible with DC converters to fully meet your power supply needs; all products meet Energy Star standards for standby power consumption.
  
  advanced selector tool
- Switching Regulators
  KB78xx Series Switching Regulators: Ultra-low switching ripple with battery-like clean voltage; extremely high energy conversion efficiency, enabling natural air cooling without heat sinks; pins fully compatible with 78-series three-terminal regulators—an ideal replacement for traditional LDOs. Upgrade your products quickly with KB78xx series, no PCB-level modifications required.
  
  advanced selector tool
Resources
- Application Notes
  Delus Power Application Guide: Covers key content including module power supply usage precautions and design materials, supplementing practical information not provided in product specifications to support efficient use of DC-DC converters and AC-DC converters.
- Technical Articles
  Technical Articles Column: Focuses on showcasing successful application cases of our products across various industries, intuitively presenting the practical effects and scenario adaptability of the products.
- Product Catalogs
  Delus Product Catalog Column: Regularly releases the latest product catalogs, systematically presenting specifications, functional features and selection information of the full product series, providing convenient reference for your quick review and accurate product selection.
- Certifications
  Delus Certification Column: Provides comprehensive safety and compliance certification support for products and services. Our products have obtained multiple certifications for safety, EMC and performance standards (including EN, IEC, UL), and our factories are certified under quality control, environmental management and occupational health & safety standards (including ISO, ISO/TS, BSI). Authoritative certifications are available for inquiry.
Newsroom
- News
  Delus Corporate News: Our official platform for company updates, announcements, and industry trend analysis—your go-to source for the latest developments at Delus Power and insights into the power supply industry.
- Product updates
  Product Updates: Our official channel for new product launches, technical upgrades, and product roadmap updates—ensuring you stay informed about the latest innovations from Delus Power.
- Blog Posts
  Technical Blog: Curated by our senior engineering team, our blog covers key trends and technical insights in the power supply industry, delivering in-depth, practical content for engineers and industry professionals.
- Events
  Events & Exhibitions: Keep track of our participation in global industry trade shows, technical seminars, and customer engagement events across key markets.
Company
- Company Profile
  Delus Power is headquartered in China with a global market focus, serving clients across North America, Asia, Europe, and beyond. We have delivered stable, reliable power supply solutions to hundreds of thousands of users worldwide.
- Company Culture
  Guided by the core principle of "reducing costs and creating value for our customers", and dedicated to "providing a platform for employees to achieve their career goals", we strive to be the employer of choice in the power supply industry.
- Honors & Certifications
  We have accumulated hundreds of utility model patents and invention patents, with comprehensive certifications covering quality management systems, product systems, environmental protection, and industry-specific certifications.
- Milestone
  Established in 2007, Delus Power has evolved over 19+ years into a leading professional power supply manufacturer in China, with a proven track record of innovation and growth.
Contact

B1203S-1W DC/DC Converters - Multi-Angle Shot 1

B1203S-1W

Industrial grade DC-DC Converter, 12V to 3.3V, isolated 1500V, Small size

Model Name :: B1203S-1W
Input Voltage :: 12V
Output Voltage :: 3.3V
Output Power :: 1W
I/O Isolation :: 1500V
Regulation :: Unregulated
Footprint Type :: SIP
No of Outputs :: 1

datasheet chat on whatsapp

Inquiry Order Sample

model name	input voltage	output voltage	output power	i/o isolation	output regulation	footprint type	more info
B0505S-1W	5V	5V	1W	1500V	Unregulated	SIP	see more
B1212S-1W	12V	12V	1W	1500V	Unregulated	SIP	see more
B1205S-1W	12V	5V	1W	1500V	Unregulated	SIP	see more
B0512S-1W	5V	12V	1W	1500V	Unregulated	SIP	see more
B2412S-1W	24V	12V	1W	1500V	Unregulated	SIP	see more
B1215S-1W	12V	15V	1W	1500V	Unregulated	SIP	see more
B0909S-1W	9V	9V	1W	1500V	Unregulated	SIP	see more
B2405S-1W	24V	5V	1W	1500V	Unregulated	SIP	see more
B0503S-1W	5V	3.3V	1W	1500V	Unregulated	SIP	see more
B1209S-1W	12V	9V	1W	1500V	Unregulated	SIP	see more
B1224S-1W	12V	24V	1W	1500V	Unregulated	SIP	see more
B1203S-1W	12V	3.3V	1W	1500V	Unregulated	SIP	see more
B0305S-1W	3.3V	5V	1W	1500V	Unregulated	SIP	see more
B0515S-1W	5V	15V	1W	1500V	Unregulated	SIP	see more
B1505S-1W	15V	5V	1W	1500V	Unregulated	SIP	see more
B2424S-1W	24V	24V	1W	1500V	Unregulated	SIP	see more
B0905S-1W	9V	5V	1W	1500V	Unregulated	SIP	see more
B0303S-1W	3.3V	3.3V	1W	1500V	Unregulated	SIP	see more
B0509S-1W	5V	9V	1W	1500V	Unregulated	SIP	see more
B0524S-1W	5V	24V	1W	1500V	Unregulated	SIP	see more
B1515S-1W	15V	15V	1W	1500V	Unregulated	SIP	see more
B2415S-1W	24V	15V	1W	1500V	Unregulated	SIP	see more
B2403S-1W	24V	3.3V	1W	1500V	Unregulated	SIP	see more
B0312S-1W	3.3V	12V	1W	1500V	Unregulated	SIP	see more
B2409S-1W	24V	9V	1W	1500V	Unregulated	SIP	see more
B2418S-1W	24V	18V	1W	1500V	Unregulated	SIP	see more
B0405S-1W	4V	5V	1W	1500V	Unregulated	SIP	see more