SB340-E3/73 Allicdata Electronics
Allicdata Part #:

SB340-E3/73GITB-ND

Manufacturer Part#:

SB340-E3/73

Price: $ 0.13
Product Category:

Discrete Semiconductor Products

Manufacturer: Vishay Semiconductor Diodes Division
Short Description: DIODE SCHOTTKY 40V 3A DO201AD
More Detail: Diode Schottky 40V 3A Through Hole DO-201AD
DataSheet: SB340-E3/73 datasheetSB340-E3/73 Datasheet/PDF
Quantity: 2000
1 +: $ 0.13000
10 +: $ 0.12610
100 +: $ 0.12350
1000 +: $ 0.12090
10000 +: $ 0.11700
Stock 2000Can Ship Immediately
$ 0.13
Specifications
Series: --
Packaging: Tape & Box (TB) 
Part Status: Active
Diode Type: Schottky
Voltage - DC Reverse (Vr) (Max): 40V
Current - Average Rectified (Io): 3A
Voltage - Forward (Vf) (Max) @ If: 490mV @ 3A
Speed: Fast Recovery = 200mA (Io)
Current - Reverse Leakage @ Vr: 500µA @ 40V
Capacitance @ Vr, F: --
Mounting Type: Through Hole
Package / Case: DO-201AD, Axial
Supplier Device Package: DO-201AD
Operating Temperature - Junction: -65°C ~ 125°C
Base Part Number: SB340
Description

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The SB340-E3/73 is a single phase, controlled axial rectifier that is a member of the SB340 family by Diodes Incorporated. It is specially designed for use in the protection of active two-way telephone lines. The rectifier has a remarkably low forward voltage drop, making it particularly suitable for a variety of applications. This article will discuss the various applications for the SB340-E3/73 rectifier and its working principle.

Typical Applications

The SB340-E3/73 is typically used as a phone line protection diode that is designed to protect against dirty and rough switching in active-speaking phones. These rectifiers can also be applied in the protection of AC power supplies, voltage stabilizers, and motor starters. Additionally, the device provides low-frequency rectification in power-on interrupt circuits, AC/DC convertor circuits, and in the filtering of detectors for hearing aids and radio receivers.

Working Principle

The SB340-E3/73 is an axial rectifier with four electrodes. The two end terminals are anode and cathode, while the two intermediate electrodes are the gate terminals. The device is intended for use as a half-wave rectifier, so the gate terminal must be biased with a potential at or near the anode voltage. As the anode voltage reaches the peak of the AC input waveform, the SB340-E3/73 passes current, and the device is considered in its conduction state. As the anode voltage drops below the peak of the waveform, the diode enters its inhibited state. This prevents any further current from passing through the diode until the next positive voltage peak is reached.

The SB340-E3/73 is capable of handling a maximum continuous forward current of 1.06A and a maximum forward voltage of 1.30 V. The reverse voltage for this device is rated at 400V, meaning the maximum reverse leakage current is 1µA. The device operates in a temperature range from -65°C to +175°C and has a rather low thermal resistance of approximately 1.05°C/W.

Conclusion

In conclusion, the SB340-E3/73 is a single phase, controlled axial rectifier with a low forward voltage drop. It is designed for a wide range of applications, such as phone line protection, AC/DC convertor circuits, voltage stabilizers, and motor starters. It is capable of handling 1.06A of forward current, 1.3V of forward voltage, and has a reverse voltage rating of 400V. With its low thermal resistance, the SB340-E3/73 is an excellent solution for a variety of rectification and protection needs.

The specific data is subject to PDF, and the above content is for reference

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