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SMPZ3940B-M3/85A
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SMPZ3940B-M3/85A

Introduction

The SMPZ3940B-M3/85A is a semiconductor product belonging to the category of voltage regulator diodes. This entry provides an overview of its basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

Basic Information Overview

  • Category: Voltage Regulator Diodes
  • Use: Regulating voltage in electronic circuits
  • Characteristics: High precision, low dropout voltage, low quiescent current
  • Package: SOD-123
  • Essence: Stabilizing voltage output
  • Packaging/Quantity: Tape & Reel, 3000 units per reel

Specifications

  • Part Number: SMPZ3940B-M3/85A
  • Voltage - Zener (Nom) (Vz): 39V
  • Power - Max: 1W
  • Impedance (Max) (Zzt): 20 Ohm
  • Current - Reverse Leakage @ Vr: 100nA @ 31.2V
  • Operating Temperature: -65°C ~ 150°C

Detailed Pin Configuration

The SMPZ3940B-M3/85A has three pins: 1. Anode 2. Cathode 3. Not connected (NC)

Functional Features

  • High Precision: Provides accurate voltage regulation
  • Low Dropout Voltage: Minimizes power loss
  • Low Quiescent Current: Reduces power consumption

Advantages and Disadvantages

Advantages

  • Precise voltage regulation
  • Low power dissipation
  • Wide operating temperature range

Disadvantages

  • Sensitive to reverse voltage
  • Limited current handling capability

Working Principles

The SMPZ3940B-M3/85A operates by utilizing the Zener effect, which allows it to maintain a constant voltage across its terminals, providing stable voltage regulation in electronic circuits.

Detailed Application Field Plans

The SMPZ3940B-M3/85A is commonly used in the following applications: - Power supply units - Voltage reference circuits - Battery management systems

Detailed and Complete Alternative Models

Some alternative models to the SMPZ3940B-M3/85A include: - BZX84C39LT1G - MMBZ27VCLT1G - PZM39NB1,115

In conclusion, the SMPZ3940B-M3/85A is a voltage regulator diode with high precision and low dropout voltage, making it suitable for various electronic applications.

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Lista 10 Vanliga frågor och svar relaterade till tillämpningen av SMPZ3940B-M3/85A i tekniska lösningar

  1. What is SMPZ3940B-M3/85A?

    • SMPZ3940B-M3/85A is a high-power surface mount transient voltage suppressor diode designed to protect sensitive electronics from voltage transients.

  2. What is the maximum power dissipation of SMPZ3940B-M3/85A?

    • The maximum power dissipation of SMPZ3940B-M3/85A is 3W.

  3. What is the breakdown voltage of SMPZ3940B-M3/85A?

    • The breakdown voltage of SMPZ3940B-M3/85A is 43.6V.

  4. What are the typical applications of SMPZ3940B-M3/85A?

    • SMPZ3940B-M3/85A is commonly used in surge protection for telecommunications equipment, industrial control systems, and automotive electronics.

  5. What is the operating temperature range of SMPZ3940B-M3/85A?

    • SMPZ3940B-M3/85A has an operating temperature range of -55°C to +150°C.

  6. What is the peak pulse power of SMPZ3940B-M3/85A?

    • The peak pulse power of SMPZ3940B-M3/85A is 300W.

  7. What is the package type of SMPZ3940B-M3/85A?

    • SMPZ3940B-M3/85A is available in a DO-214AA (SMB) package.

  8. Does SMPZ3940B-M3/85A comply with RoHS requirements?

    • Yes, SMPZ3940B-M3/85A is compliant with RoHS (Restriction of Hazardous Substances) requirements.

  9. What are the key features of SMPZ3940B-M3/85A?

    • Some key features of SMPZ3940B-M3/85A include low clamping voltage, fast response time, and high surge capability.

  10. Where can I find detailed technical specifications for SMPZ3940B-M3/85A?

    • Detailed technical specifications for SMPZ3940B-M3/85A can be found in the product datasheet provided by the manufacturer.