MMBZ4705-HE3-08

Introduction

The MMBZ4705-HE3-08 is a semiconductor product belonging to the category of Zener diodes. This device is commonly used for voltage regulation and transient suppression in various electronic circuits. The MMBZ4705-HE3-08 possesses unique characteristics, comes in a specific package, and has distinct advantages and disadvantages.

Basic Information Overview

• Category: Zener Diode
• Use: Voltage regulation, transient suppression
• Characteristics: Reverse breakdown voltage, low leakage current, small package size
• Package: SOT-23
• Essence: Semiconductor device for voltage regulation
• Packaging/Quantity: Available in tape and reel packaging, quantity varies by manufacturer

Specifications

• Voltage - Zener (Nom) (Vz): 27V
• Power - Max: 350mW
• Impedance (Max) (Zzt): 20 Ohm
• Current - Reverse Leakage @ Vr: 100nA
• Operating Temperature: -65°C ~ 150°C
• Mounting Type: Surface Mount
• Package / Case: TO-236-3, SC-59, SOT-23-3

Detailed Pin Configuration

The MMBZ4705-HE3-08 Zener diode typically comes in a SOT-23 package with three pins. Pin 1 is the cathode, pin 2 is the anode, and pin 3 is not connected (NC).

Functional Features

The MMBZ4705-HE3-08 Zener diode provides precise voltage regulation by maintaining a constant voltage across its terminals when operated in the reverse breakdown region. It also exhibits low leakage current, making it suitable for applications requiring stable voltage references.

Advantages and Disadvantages

Advantages

• Precise voltage regulation
• Small package size
• Low leakage current

Disadvantages

• Limited power dissipation capability
• Sensitivity to temperature variations

Working Principles

The MMBZ4705-HE3-08 operates based on the principle of the Zener effect, where a high electric field across a p-n junction causes a rapid increase in current, allowing the diode to conduct in reverse bias and maintain a constant voltage drop.

Detailed Application Field Plans

The MMBZ4705-HE3-08 Zener diode finds extensive use in various electronic circuits, including: - Voltage regulators - Overvoltage protection circuits - Signal clamping circuits - Voltage reference circuits

Detailed and Complete Alternative Models

• BZX84C27: 27V Zener diode, SOT-23 package
• MMBZ5230B: 30V Zener diode, SOT-23 package
• 1N5227B: 27V Zener diode, DO-35 package
• BZT52C27S: 27V Zener diode, SOD-123 package

In conclusion, the MMBZ4705-HE3-08 Zener diode offers precise voltage regulation and transient suppression capabilities, making it a crucial component in various electronic circuits. However, its limited power dissipation and sensitivity to temperature variations should be considered when selecting this device for specific applications.

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