UDZ3V9B-7

Product Overview

Category: Electronic Component
Use: Voltage Regulator
Characteristics: Zener Diode, 3.9V, SOD-323 Package
Package: SOD-323
Essence: Voltage regulation
Packaging/Quantity: Tape & Reel, 3000 units per reel

Specifications

• Voltage: 3.9V
• Power Dissipation: 200mW
• Operating Temperature Range: -55°C to +150°C
• Zener Impedance: 40Ω
• Reverse Leakage Current: 100nA

Detailed Pin Configuration

The UDZ3V9B-7 has two pins in the SOD-323 package. The anode is connected to pin 1 and the cathode is connected to pin 2.

Functional Features

• Precise voltage regulation at 3.9V
• Low reverse leakage current
• Small SOD-323 package for space-constrained applications

Advantages

• Accurate voltage regulation
• Compact package size
• Wide operating temperature range

Disadvantages

• Limited power dissipation capability
• Higher zener impedance compared to some alternatives

Working Principles

The UDZ3V9B-7 operates based on the principle of the Zener effect, where it maintains a constant voltage across its terminals when reverse biased.

Detailed Application Field Plans

This component is commonly used in various electronic circuits requiring stable voltage references, such as voltage regulators, power supplies, and sensor interfaces.

Detailed and Complete Alternative Models

• UDZ3V6B-7: 3.6V Zener Diode
• UDZ3V3B-7: 3.3V Zener Diode
• UDZ4V3B-7: 4.3V Zener Diode

In conclusion, the UDZ3V9B-7 is a reliable and compact voltage regulator with precise regulation capabilities, making it suitable for a wide range of electronic applications.

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