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B1203S-3WR2 AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

B1203S-3WR2 product

B1203S-3WR2

Power Management (PMIC)

DC-DC ConverterIsolated3WSIP-4

The B1203S-3WR2 is a 3W isolated DC/DC converter module providing a 3.3V output from a 12V input, suitable for distributed power systems.

Best for

  • Digital circuits
  • Low-frequency analog circuits
  • Relay drive circuits

Avoid if

  • Applications requiring precise output voltage regulation
  • High-noise environments without external filtering

Check before use

  • Input voltage stability
  • Output load requirements

Key specifications

Power
3 W
Input Voltage
10.8 V - 13.2 V
Output Voltage
3.3 V

Compliance & Environment

RoHS
Compliant
REACH
-
MSL
-
ECCN
-
HTSUS
-

Application

PowerIndustrial

CAD Models

Download ECAD models for B1203S-3WR2: KiCad symbol & footprint, Altium footprint, PCB footprint, and 3D model.

EDA Symbol
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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
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Where to Buy

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Alternative components

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

Design and risk insights

Questions & answers

It is a 3W, isolated, unregulated DC/DC power module in a SIP-4 package, designed for 12V input to 3.3V output conversion.