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B1203LS-1WR3 AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

B1203LS-1WR3 product

B1203LS-1WR3

Isolated DC DC Converters

IsolatedDC/DC1WSIP-4

The B1203LS-1WR3 is a 1W isolated DC/DC converter providing a 3.3V output from a 12V input, ideal for space-constrained board-level isolation.

Best for

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

Avoid if

  • High precision voltage regulation is required
  • Input voltage fluctuates beyond ±10%

Check before use

  • Minimum load requirements (10% of rated power)

Key specifications

Input Voltage
10.8V - 13.2V
Output Voltage
3.3V
Isolation
1500VDC

Compliance & Environment

RoHS
Compliant
REACH
-
MSL
-
ECCN
-
HTSUS
-

Application

PowerIndustrial

CAD Models

Download ECAD models for B1203LS-1WR3: 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
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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 single-output DC/DC converter in a SIP-4 package.