1N729 — Microchip Technology — Zener Diodes — product image
Microchip Technology

Microchip 1N729 Zener Diodes 43V 10%

Zener Diodes · Microchip Technology

MPN1N729

Microchip 1N729 Zener Diode, 43V V(Z), 10%, 0.25W, Silicon, Unidirectional, DO-35

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Product Overview

Application context for 1N729 (Microchip Technology · Zener Diodes) — what the part is for, how it is typically used, and the design points buyers ask about first.

Microchip 1N729 Zener Diode, 43V V(Z), 10%, 0.25W, Silicon, Unidirectional, DO-35

Microchip 1N729 Zener Diodes Overview

The Microchip Zener Diode is a reliable and efficient electronic component designed for voltage regulation and protection in various applications. With a Zener voltage of 43V and a maximum power dissipation of 250mW, this silicon-based unidirectional diode is ideal for maintaining stable voltage levels in circuits. Its through-hole mounting configuration ensures easy integration into a wide range of electronic designs, making it a versatile choice for engineers and hobbyists alike.

Key Features of Microchip 1N729 Zener Diodes

  • Built to single Element Configuration, making integration easier across a wide range of systems.
  • Engineered to 2-Pin Design, supporting dependable performance in real-world designs.
  • Built to zener Voltage: 43V, making integration easier across a wide range of systems.
  • Engineered to power Dissipation: 250mW, supporting dependable performance in real-world designs.
  • Engineered to through Hole Mounting, supporting dependable performance in real-world designs.
  • Optimized to non-Compliant with RoHS, improving robustness in practical applications.
  • Built to impedance: 84O, making integration easier across a wide range of systems.

Microchip 1N729 Zener Diodes Applications

Power Management & Regulation

  • Often used in shunt voltage regulation in test circuits; Vz: 5.6V; Power: 0.5W; 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.
  • Well-suited for backup reference in redundant power systems; Vz: 5.1V; Power: 0.5W; Package: SOD-123, helping designers meet typical integration requirements.
  • Often used in voltage reference for monitoring thresholds; Vz: 3.3V; Power: 0.25W; Package: SOD-323, where predictable behavior and reliability are important.
  • Well-suited for reference voltage for power-good signals; Vz: 3.0V; Power: 0.25W; Package: SOD-323, helping designers meet typical integration requirements.

Industrial Automation & Control

  • Often used in emergency stop circuit voltage clamping; Vz: 24V; Power: 2W; Package: SMB, where predictable behavior and reliability are important.
  • Commonly applied in signal generator output clamping; Vz: 12V; Power: 1W; Package: DO-41, supporting stable and efficient system performance.
  • Often used in factory automation gateway power protection; Vz: 12V; Power: 1W; Package: DO-41, where predictable behavior and reliability are important.
  • Often used in battery management system voltage reference; Vz: 5.1V; Power: 0.5W; Package: DO-41, where predictable behavior and reliability are important.
  • Well-suited for battery energy storage monitoring signal protection; Vz: 12V; Power: 1W; Package: DO-41, helping designers meet typical integration requirements.

Consumer Electronics

  • Often used in microwave oven logic supply protection; Vz: 5.1V; Power: 0.5W; Package: DO-41, where predictable behavior and reliability are important.
  • Often used in camera sensor interface voltage limiting; Vz: 3.3V; Power: 0.25W; Package: SOD-323, where predictable behavior and reliability are important.
  • Commonly applied in aR device power input over-voltage protection; Vz: 5.1V; Power: 0.5W; Package: SOD-123, supporting stable and efficient system performance.
  • Well-suited for headphone amplifier input over-voltage protection; Vz: 5.1V; Power: 0.25W; Package: DO-35, helping designers meet typical integration requirements.
  • Often used in wireless earbud charging circuit clamping; Vz: 5.1V; Power: 0.5W; Package: SOD-123, where predictable behavior and reliability are important.

Automotive Electronics

  • Commonly applied in automotive gateway power transient suppression; Vz: 30V; Power: 5W; Package: SMC, supporting stable and efficient system performance.
  • Commonly applied in crankshaft position sensor input protection; Vz: 6.2V; Power: 0.5W; Package: DO-41, supporting stable and efficient system performance.
  • Well-suited for automotive motor drive feedback clamping; Vz: 6.8V; Power: 1W; Package: SMA, helping designers meet typical integration requirements.
  • Commonly applied in automotive microcontroller power rail protection; Vz: 5.1V; Power: 1W; Package: DO-41, supporting stable and efficient system performance.
  • Commonly applied in instrument cluster signal clamping; Vz: 5.1V; Power: 0.5W; Package: SOD-123, supporting stable and efficient system performance.

Signal Conditioning & Interface Protection

  • Well-suited for sensor excitation line over-voltage protection; Vz: 9.1V; Power: 0.5W; Package: DO-41, helping designers meet typical integration requirements.
  • Well-suited for automated test equipment signal protection; Vz: 12V; Power: 1W; Package: SMA, helping designers meet typical integration requirements.
  • Often used in mCU GPIO input over-voltage protection; Vz: 3.3V; Power: 0.25W; Package: SOD-323, where predictable behavior and reliability are important.
  • Often used in control system diagnostic signal protection; Vz: 6.8V; Power: 0.5W; Package: DO-41, where predictable behavior and reliability are important.
  • Often used in compliance testing signal interface protection; Vz: 15V; Power: 1W; Package: DO-41, where predictable behavior and reliability are important.

Design Resources

Tutorial and application reading tied to 1N729. These are editorial guides on this site, not manufacturer PDFs.

Frequently Asked Questions

3 practical questions buyers ask about 1N729 — availability, specs, and how to request a quote.

What is 1N729?

Microchip 1N729 Zener Diode, 43V V(Z), 10%, 0.25W, Silicon, Unidirectional, DO-35

What type of component is 1N729?

1N729 is a Zener Diodes from Microchip Technology.

Is 1N729 in stock at MOZ Electronics?

1N729 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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