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B0303S-1WR2 AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

B0303S-1WR2 product

B0303S-1WR2

Integrated Circuits (ICs)

DC/DC ConverterIsolated1WSIP

The B0303S-1WR2 is a 1W isolated DC/DC converter providing a 3.3V output from a 3.3V input, suitable for board-level isolation in digital and low-frequency analog systems.

Best for

  • Digital circuits
  • Relay drivers
  • Data exchange circuits

Avoid if

  • High-precision voltage regulation is required
  • Input voltage varies by more than ±10%

Check before use

  • Minimum load requirements (10% of rated power)
  • Capacitive load limits (220uF)

Key specifications

Input Voltage
3.3V (2.97-3.63V)
Output Voltage
3.3V
Isolation
1500VDC
Efficiency
72%

Compliance & Environment

RoHS
-
REACH
-
MSL
-
ECCN
-
HTSUS
-

Application

PowerIndustrial

CAD Models

Download ECAD models for B0303S-1WR2: KiCad symbol & footprint, Altium footprint, PCB footprint, and 3D model.

EDA Symbol
Schematic symbol for your EDA tool
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PCB Footprint
Land pattern for PCB layout
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3D Model
STEP file for mechanical design
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KiCad Library
Verified KiCad 8 symbol, footprint, and 3D model
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Where to Buy

Real-time and catalog pricing from verified distributors

Alternative components

Alternatives are being enriched. Analyze this part in PartGenie for the latest matches.

Design and risk insights

Questions & answers

It is a 1W, isolated, unregulated DC/DC power module from YLPTEC, designed for SIP mounting.