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AP2121AK-3.3TRE1 AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

AP2121AK-3.3TRE1 product

AP2121AK-3.3TRE1

Voltage Regulators - Linear

LDOVoltage Regulator3.3VSOT-23-5

The AP2121AK-3.3TRE1 is a 3.3V fixed-output LDO regulator in a SOT-23-5 package, designed for low-noise, battery-powered applications.

Best for

  • Battery-powered devices
  • Low-noise power supplies

Avoid if

  • New designs (use AP7343 instead)

Check before use

  • Thermal dissipation requirements
  • Input voltage range

Key specifications

Output Voltage
3.3 V
Max Output Current
200 mA
Dropout Voltage
150 mV

Compliance & Environment

RoHS
ROHS3 Compliant
REACH
-
MSL
-
ECCN
-
HTSUS
-

Application

Battery-powered equipmentWireless communication

CAD Models

Download ECAD models for AP2121AK-3.3TRE1: 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 high-speed, low-noise, positive voltage regulator IC with a fixed 3.3V output, capable of delivering up to 200mA.