1N972A — Microchip Technology — Zener Diodes — product image
Microchip Technology

Microchip 1N972A Zener Diodes 30V 500mW 5µA 10%

Zener Diodes · Microchip Technology

MPN1N972A

Microchip 1N972A Diode Zener Single 30V 10% 0.5W 2-Pin Axial DO-35

Available to Source

No live pricing is published for this part. Tell us what you need and we will quote within one business day.

Quoting several parts? Use the full RFQ form to upload a BOM.

  • Professional sourcingVetted supply chain with documented traceability
  • Genuine partsDocumented traceability on every shipment
  • ESD-safe handlingOriginal packaging, moisture controlled
  • Worldwide shippingConsolidated freight to 100+ countries

Product Overview

A closer look at 1N972A as a zener diodes: functional summary, usage notes, and the features that matter in real designs.

Microchip 1N972A Diode Zener Single 30V 10% 0.5W 2-Pin Axial DO-35

Microchip 1N972A Zener Diodes Overview

The Microchip Zener Diode is a reliable and efficient electronic component designed for voltage regulation applications. With a Zener voltage of 30V and a power dissipation capability of 500mW, this diode ensures stable performance in various electronic circuits. Its through-hole mounting configuration and robust design make it suitable for a wide range of applications, from consumer electronics to industrial systems. Operating effectively in temperatures ranging from -65°C to 175°C, this diode is an excellent choice for engineers seeking durability and reliability in their designs.

Key Features of Microchip 1N972A Zener Diodes

  • Engineered to zener Voltage: 30V, supporting dependable performance in real-world designs.
  • Designed to through Hole Mounting for Easy Integration, helping ensure consistent and reliable operation.
  • Optimized to 2-Pin Axial Configuration, improving robustness in practical applications.
  • Built to wide Operating Temperature Range (-65°C to 175°C), making integration easier across a wide range of systems.
  • Engineered to max Reverse Leakage Current: 5µA, supporting dependable performance in real-world designs.
  • Engineered to impedance: 49O, supporting dependable performance in real-world designs.
  • Designed to power Dissipation: 500mW, helping ensure consistent and reliable operation.

Microchip 1N972A Zener Diodes Applications

Power Management & Regulation

  • Well-suited for dC supply protection in control cabinets; Vz: 18V; Power: 2W; Package: DO-41, helping designers meet typical integration requirements.
  • Often used in low-noise reference for sensor excitation; Vz: 4.7V; Power: 0.25W; Package: DO-35, where predictable behavior and reliability are important.
  • Well-suited for dC input protection for control electronics; Vz: 18V; Power: 1W; Package: SMA, helping designers meet typical integration requirements.
  • Well-suited for voltage stabilization for mixed-signal supplies; Vz: 5.1V; Power: 0.5W; Package: DO-35, helping designers meet typical integration requirements.
  • Commonly applied in over-voltage clamp in power distribution boards; Vz: 15V; Power: 2W; Package: DO-41, supporting stable and efficient system performance.

Signal Conditioning & Interface Protection

  • Commonly applied in long-distance signal interface clamping; Vz: 30V; Power: 2W; Package: DO-41, supporting stable and efficient system performance.
  • Commonly applied in modem signal interface clamping; Vz: 12V; Power: 0.5W; Package: DO-35, supporting stable and efficient system performance.
  • Commonly applied in antenna bias line over-voltage protection; Vz: 12V; Power: 1W; Package: SMA, supporting stable and efficient system performance.
  • Commonly applied in ultrasonic sensor signal voltage limiting; Vz: 6.8V; Power: 0.5W; Package: DO-41, supporting stable and efficient system performance.
  • 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.

Industrial Automation & Control

  • Well-suited for energy storage controller transient suppression; Vz: 24V; Power: 3W; Package: SMB, helping designers meet typical integration requirements.
  • Often used in industrial IoT gateway power protection; Vz: 24V; Power: 2W; Package: SMB, where predictable behavior and reliability are important.
  • Often used in uPS control board over-voltage protection; Vz: 12V; Power: 1W; Package: DO-41, where predictable behavior and reliability are important.
  • Commonly applied in sensor interface voltage limiting in automation systems; Vz: 5.1V; Power: 0.5W; Package: SOD-123, supporting stable and efficient system performance.
  • Well-suited for clinical data logger input protection; Vz: 6.8V; Power: 0.5W; Package: DO-41, helping designers meet typical integration requirements.

Automotive Electronics

  • Well-suited for airbag control input protection; Vz: 5.1V; Power: 1W; Package: DO-41, helping designers meet typical integration requirements.
  • Commonly applied in automotive sensor interface voltage clamping; Vz: 6.8V; Power: 1W; Package: DO-41, supporting stable and efficient system performance.
  • Commonly applied in throttle position sensor signal protection; Vz: 5.1V; Power: 0.5W; Package: SOD-123, supporting stable and efficient system performance.
  • Well-suited for eV inverter control input voltage limiting; Vz: 18V; Power: 2W; Package: SMB, helping designers meet typical integration requirements.
  • Well-suited for door lock actuator control signal clamping; Vz: 6.8V; Power: 0.5W; Package: DO-41, helping designers meet typical integration requirements.

Consumer Electronics

  • Often used in consumer electronics control logic protection; Vz: 3.3V; Power: 0.25W; Package: SOD-323, where predictable behavior and reliability are important.
  • Commonly applied in remote control input protection circuitry; Vz: 3.3V; Power: 0.25W; Package: SOD-323, supporting stable and efficient system performance.
  • Well-suited for microwave oven logic supply protection; Vz: 5.1V; Power: 0.5W; Package: DO-41, helping designers meet typical integration requirements.
  • Often used in consumer charger feedback signal protection; Vz: 6.2V; Power: 0.5W; Package: SOD-123, where predictable behavior and reliability are important.
  • Commonly applied in wireless charging control circuit protection; Vz: 12V; Power: 1W; Package: SMA, supporting stable and efficient system performance.

Design Resources

Design articles that mention 1N972A, Microchip Technology, or the surrounding technology. Start here for selection tips and application notes.

Frequently Asked Questions

Short answers for sourcing 1N972A from Microchip Technology: what to confirm before you place the order.

What is 1N972A?

Microchip 1N972A Diode Zener Single 30V 10% 0.5W 2-Pin Axial DO-35

What type of component is 1N972A?

1N972A is a Zener Diodes from Microchip Technology.

Is 1N972A in stock at MOZ Electronics?

1N972A is listed as in stock. Order online when a price is shown, or submit an RFQ for volume pricing and lead time.

Sourcing desk

Need volume pricing, a specific date code, or an alternative part?

Send us the quantity and target date — a sourcing specialist replies within one business day.

Request a Quote