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1N4742AURE3 — Microchip Technology — Zener Diodes — product image
Microchip Technology

Microchip 1N4742AURE3 Zener Diodes

Zener Diodes · Microchip Technology

MPN1N4742AURE3

Microchip 1N4742AURE3 Diode Zener Single 12V 5% 1W 2-Pin DO-213AB

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Product Overview

Application context for 1N4742AURE3 (Microchip Technology · Zener Diodes) — what the part is for, how it is typically used, and the design points buyers ask about first.

Microchip 1N4742AURE3 Diode Zener Single 12V 5% 1W 2-Pin DO-213AB

Microchip 1N4742AURE3 Zener Diodes Overview

Diode Zener Single 12V 5% 1W 2-Pin DO-213AB

Microchip 1N4742AURE3 Zener Diodes Applications

Power Management & Regulation

  • Often used in supply surge limiting in industrial power modules; Vz: 18V; Power: 2W; Package: DO-41, where predictable behavior and reliability are important.
  • Well-suited for power rail over-voltage limiting in modules; Vz: 12V; Power: 1W; Package: DO-41, helping designers meet typical integration requirements.
  • Often used in sMPS feedback loop protection; Vz: 5.1V; Power: 0.5W; Package: SOD-123, where predictable behavior and reliability are important.
  • Often used in reference voltage in watchdog circuits; Vz: 3.3V; Power: 0.25W; Package: SOD-323, where predictable behavior and reliability are important.
  • Often used in voltage reference for monitoring thresholds; Vz: 3.3V; Power: 0.25W; Package: SOD-323, where predictable behavior and reliability are important.

Consumer Electronics

  • Often used in vR headset sensor interface protection; Vz: 3.3V; Power: 0.25W; Package: SOD-323, where predictable behavior and reliability are important.
  • Well-suited for wireless charging control circuit protection; Vz: 12V; Power: 1W; Package: SMA, helping designers meet typical integration requirements.
  • Well-suited for uSB input voltage limiting in consumer chargers; Vz: 5.1V; Power: 0.5W; Package: SOD-123, helping designers meet typical integration requirements.
  • Well-suited for game controller button interface clamping; Vz: 3.3V; Power: 0.25W; Package: SOD-323, helping designers meet typical integration requirements.
  • Often used in smart TV interface signal voltage limiting; Vz: 5.1V; Power: 0.25W; Package: DO-35, where predictable behavior and reliability are important.

Industrial Automation & Control

  • Commonly applied in power infrastructure monitoring signal protection; Vz: 12V; Power: 1W; Package: DO-41, supporting stable and efficient system performance.
  • Commonly applied in diagnostic instrument power rail protection; Vz: 12V; Power: 1W; Package: DO-41, supporting stable and efficient system performance.
  • Often used in edge AI device power rail voltage limiting; Vz: 5.1V; Power: 0.5W; Package: SOD-123, where predictable behavior and reliability are important.
  • Well-suited for eCG front-end input voltage clamping; Vz: 3.3V; Power: 0.25W; Package: SOD-323, helping designers meet typical integration requirements.
  • Commonly applied in industrial alarm system signal protection; Vz: 12V; Power: 1W; Package: DO-41, supporting stable and efficient system performance.

Signal Conditioning & Interface Protection

  • Well-suited for industrial Ethernet input protection; Vz: 6.8V; Power: 1W; Package: SMA, helping designers meet typical integration requirements.
  • Often used in sPI interface signal voltage limiting; Vz: 3.3V; Power: 0.25W; Package: SOD-323, where predictable behavior and reliability are important.
  • Well-suited for telecom signal line transient suppression; Vz: 15V; Power: 1W; Package: SMA, helping designers meet typical integration requirements.
  • Often used in signal generator output protection; Vz: 12V; Power: 0.5W; Package: DO-41, where predictable behavior and reliability are important.
  • Often used in predictive maintenance sensor protection; Vz: 6.8V; Power: 0.5W; Package: DO-41, where predictable behavior and reliability are important.

Automotive Electronics

  • Well-suited for battery management system signal protection; Vz: 5.1V; Power: 1W; Package: DO-41, helping designers meet typical integration requirements.
  • Well-suited for vehicle power distribution module clamping; Vz: 24V; Power: 3W; Package: SMB, helping designers meet typical integration requirements.
  • Often used in electric window control module protection; Vz: 12V; Power: 1W; Package: DO-41, where predictable behavior and reliability are important.
  • Often used in cAN bus signal voltage limiting; Vz: 6.8V; Power: 1W; Package: SMA, where predictable behavior and reliability are important.
  • Often used in body control module input protection; Vz: 12V; Power: 2W; Package: DO-41, where predictable behavior and reliability are important.

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Design Resources

Design articles that mention 1N4742AURE3, Microchip Technology, or the surrounding technology. Start here for selection tips and application notes.

GUIDEDiode Symbols and Their Functionality: A Complete Guide to Reading Common DiodesRead guide →GUIDEIndustrial Electronic Components: Types, Applications, and Sourcing GuideRead guide →GUIDEBody Control Module (BCM) – The Central Hub of Vehicle Body ElectronicsRead guide →GUIDEUnderstanding Silicon Controlled Rectifiers and How They WorkRead guide →GUIDETypes of Integrated Circuits Explained: Analog, Digital, Mixed-Signal, PMICs, Memory, and MoreRead guide →GUIDEWhat Is a Parasitic Diode? Causes, Effects, and Design ConsiderationsRead guide →

Frequently Asked Questions

FAQ for this zener diodes (1N4742AURE3). Focused on purchasing and design-check questions, not full datasheet reprints.

What is 1N4742AURE3?

Microchip 1N4742AURE3 Diode Zener Single 12V 5% 1W 2-Pin DO-213AB

What type of component is 1N4742AURE3?

1N4742AURE3 is a Zener Diodes from Microchip Technology.

Is 1N4742AURE3 in stock at MOZ Electronics?

1N4742AURE3 is listed as in stock. Order online when a price is shown, or submit an RFQ for volume pricing and lead time.

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