SMPZ3934B-E3/85A

Product Overview

• Belongs to: Electronic Components
• Category: Diode
• Use: Rectification and voltage regulation
• Characteristics: High efficiency, low forward voltage drop
• Package: SOD-123
• Essence: Silicon rectifier diode
• Packaging/Quantity: Tape & Reel, 3000 units per reel

Specifications

• Part Number: SMPZ3934B-E3/85A
• Type: Schottky Barrier Diode
• Voltage - DC Reverse (Vr) (Max): 40V
• Current - Average Rectified (Io): 3A
• Voltage - Forward (Vf) (Max) @ If: 450mV @ 3A
• Speed: Fast recovery time

Detailed Pin Configuration

The SMPZ3934B-E3/85A is a SOD-123 packaged diode with two pins. The cathode is connected to the marked side of the package.

Functional Features

• High current capability
• Low power loss
• High efficiency
• Guard ring for enhanced ruggedness and long term reliability

Advantages

• Low forward voltage drop
• Fast switching
• Suitable for high frequency applications
• Compact size

Disadvantages

• Higher cost compared to standard diodes
• Sensitive to reverse voltage spikes

Working Principles

The SMPZ3934B-E3/85A operates based on the Schottky barrier principle, where a metal-semiconductor junction is formed, resulting in lower forward voltage drop and faster switching compared to conventional diodes.

Detailed Application Field Plans

This diode is commonly used in: - Switching power supplies - DC-DC converters - Reverse polarity protection circuits - Low voltage rectifiers

Detailed and Complete Alternative Models

• 1N5819: General-purpose Schottky diode
• SS34: Surface mount Schottky diode
• SB340: Low forward voltage drop Schottky diode

In conclusion, the SMPZ3934B-E3/85A is a high-performance Schottky diode suitable for various electronic applications requiring efficient rectification and voltage regulation.

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