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A0303S-1WR3 AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

A0303S-1WR3 product

A0303S-1WR3

Isolated DC DC Converters

IsolatedDC/DCSIP1W

The A0303S-1WR3 is a 1W isolated DC/DC converter providing dual ±3.3V outputs from a 3.3V input, suitable for board-level isolation in digital and low-frequency analog circuits.

Best for

  • Board-level isolation
  • Digital circuits
  • Relay driving

Avoid if

  • High precision voltage regulation is required

Check before use

  • Input voltage stability
  • Minimum load requirements

Key specifications

Input Voltage
2.97V - 3.63V
Output Voltage
±3.3V
Power
1W
Isolation
1500VDC

Compliance & Environment

RoHS
Compliant
REACH
-
MSL
-
ECCN
-
HTSUS
-

Application

IndustrialPower

CAD Models

Download ECAD models for A0303S-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

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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, isolated, unregulated dual-output DC/DC power module in a SIP package.