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B1203S-1WR3 AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

B1203S-1WR3 product

B1203S-1WR3

DC DC Converters

DC-DC ConverterIsolated1WSIP-4

The B1203S-1WR3 is a compact 1W isolated DC-DC converter providing a 3.3V output from a 12V input, ideal for space-constrained distributed power applications.

Best for

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

Avoid if

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

Check before use

  • Output voltage tolerance under varying load conditions

Key specifications

Input Voltage
12V (10.8-13.2V)
Output Voltage
3.3V
Output Power
1W
Isolation
1500VDC

Compliance & Environment

RoHS
ROHS3 Compliant
REACH
-
MSL
-
ECCN
-
HTSUS
-

Application

Industrial PowerGeneral Electronics

CAD Models

Download ECAD models for B1203S-1WR3: 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 1W, single-output, isolated DC-DC converter module with a 12V nominal input and 3.3V output, designed for distributed power systems.