1SR139-400T-32

Name: 1SR139-400T-32
Brand: ROHM Semiconductor
Rating: 4.5 (10 reviews)
Author: Lisleapex

Diode 400V 1A 2-Pin MSR T/R

6,924 Effective Inventory

1SR139-400T-32

Effective Inventory6,924

Diode 400V 1A 2-Pin MSR T/R

Manufacturer Part # : 1SR139-400T-32
Package/Case: DO41
Part Status : OBSOLETE
Brand: ROHM Semiconductor
Product Categories : Single Diodes
Series : 1SR139
RoHS:

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1SR139-400T-32 DataSheet

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1SR139-400T-32 Details

The 1SR139-400T-32 is a high-voltage rectifier diode designed for power supply and rectification applications. This diode features a high surge current capability and low forward voltage drop, making it suitable for use in high-power circuits. It is housed in a compact and robust package, allowing for easy integration into various electronic systems.

Pinout

1 (Anode): Anode Terminal
2 (Cathode): Cathode Terminal

(Tip: For detailed pinout information, please refer to the corresponding datasheet.)

Key Features

High Surge Current Capability: Capable of handling high surge currents for robust performance.
Low Forward Voltage Drop: Provides efficient rectification with minimal voltage drop.
Compact and Robust Package: Housed in a durable package for easy installation and reliability.
High Voltage Rating: Designed to withstand high voltage levels for power supply applications.

Application

Power Supply Units: Ideal for use in power supply units and voltage rectification circuits.
Inverters: Suitable for inverters and converters requiring high surge current handling capabilities.
Industrial Equipment: Used in industrial equipment for power control and regulation.

Where to Use

The 1SR139-400T-32 is recommended for applications that require high-voltage rectification and efficient power supply solutions. It is commonly used in power supply units, inverters, and industrial equipment for reliable power management.

How to Use

Connect the Anode and Cathode terminals of the 1SR139-400T-32 to the corresponding circuit nodes. Ensure proper heat dissipation and voltage rating compatibility for safe and effective operation. Refer to the datasheet for detailed usage instructions and application guidelines.

Application Circuit

The application circuit diagram for the 1SR139-400T-32 illustrates the connection of the rectifier diode in a typical power supply or rectification circuit. It highlights the necessary connections and components for proper functionality.

(Tip: For detailed circuit diagram connections and usage guide, refer to the datasheet.)

Equivalents

1N4004: A similar rectifier diode with comparable voltage and current ratings.
FR207: An alternative fast recovery diode for rectification applications.

Complementary

The 1SR139-400T-32 can be complemented by the 1SR139-200T-16 for lower voltage applications requiring similar diode characteristics. Ensure compatibility and specifications alignment when selecting complementary components.

Frequently Asked Questions

Q: What is the maximum forward current rating of the 1SR139-400T-32?

A: The 1SR139-400T-32 has a maximum forward current rating of 1A. Refer to the datasheet for detailed current rating conditions and specifications.

Q: Can the 1SR139-400T-32 be used in high-frequency applications?

A: While the 1SR139-400T-32 is designed for standard power supply frequencies, it may not be suitable for high-frequency applications due to its characteristics. Consider alternative diodes for high-frequency requirements.

Specifications

The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.

Product Category !	Rectifiers	RoHS	Details
Mounting Style	Through Hole	Vr - Reverse Voltage	400 V
If - Forward Current	1 A	Type	Standard Recovery Rectifiers
Configuration	Single	Vf - Forward Voltage	1.1 V
Max Surge Current !	40 A	Ir - Reverse Current	10 uA
Maximum Operating Temperature !	+ 150 C	Brand	ROHM Semiconductor
Height	3 mm	Length	2.5 mm
Product	Rectifiers	Product Type !	Rectifiers
Factory Pack Quantity	2500	Subcategory	Diodes & Rectifiers
Termination Style	Axial	Width	2.5 mm
Part # Aliases	1SR139-400	Unit Weight	0.010935 oz

FAQs

What is 1SR139-400T-32?

The 1SR139-400T-32 is a Schottky barrier diode manufactured by Toshiba Semiconductor and Storage. It is designed for high-speed switching applications due to its low forward voltage drop and fast switching speed.

How Does 1SR139-400T-32 Work?

The 1SR139-400T-32 operates based on the Schottky barrier principle, where a metal-semiconductor junction creates a low forward voltage drop and minimal reverse recovery time. This allows for efficient and fast switching of signals in electronic circuits.

How Many Pins does 1SR139-400T-32 have and What are the Functions of the Pinout Configuration?

The 1SR139-400T-32 is typically housed in a small package with two pins:

Anode: The positive terminal where the current enters.
Cathode: The negative terminal where the current exits.

These pins define the directionality of the diode's operation and are crucial for correct circuit connection.

What are the Pros and Cons of 1SR139-400T-32?

Pros:

Low Forward Voltage Drop: Enables efficient power conversion with minimal energy loss.
Fast Switching Speed: Suitable for high-frequency applications.
Compact Size: Small form factor for space-constrained designs.
Reliable Performance: Offers stable and consistent operation over a range of temperatures and operating conditions.

Cons:

Reverse Voltage Limitation: Not suitable for applications requiring high reverse voltage tolerance.
Temperature Sensitivity: Performance may vary with temperature fluctuations.

Are There Any Equivalents/Alternatives to 1SR139-400T-32 for Recommendation?

The SS14 Schottky diode from Vishay Semiconductor is a comparable alternative.
Alternatives include the BAT54 series from STMicroelectronics and the 1N5819 from Microsemi.

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1SR139-400T-32

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