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B1205S-1WR3

Name: B1205S-1WR3
Rating: 4.7 (12 reviews)

DC DC CONVERTER 5V 1W

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仕様

Series	B_S-1WR3 (1W)
Part Status	Not For New Designs
Type	Isolated Module
Number of Outputs	1
Voltage - Input (Min)	10.8V
Voltage - Input (Max)	13.2V
Voltage - Output 1	5V
Current - Output (Max)	200mA
Applications	ITE (Commercial)
Operating Temperature	-40°C ~ 105°C (With Derating)
Efficiency	80%
Mounting Type	Through Hole
Package / Case	4-SIP Module
Size / Dimension	0.46" L x 0.24" W x 0.40" H (11.6mm x 6.0mm x 10.2mm)
Power (Watts)	1 W
Voltage - Isolation	1.5 kV
Approval Agency	CB, CE, cURus, UL
Standard Number	62368-1

概要

Description

The B1205S-1WR3 is a DC-DC converter module designed for efficient voltage regulation in various electronic applications. It typically features a wide input voltage range, allowing it to convert input voltages, commonly from 4.5V to 5.5V, to a stable output of 5V. This converter is known for its compact size and high efficiency, often exceeding 85%, making it suitable for space-constrained designs.
Key specifications usually include an output current rating of up to 1A and protection features like over-temperature and short-circuit protection. It is often used in telecommunications, industrial equipment, and consumer electronics, where reliable voltage regulation is critical.
The B1205S-1WR3 is easy to integrate into existing systems, with minimal external components required, and is typically encapsulated to enhance durability and performance. Users can expect stable operation across various load conditions, making it a preferred choice for designers seeking reliable power solutions.

Features

The B1205S-1WR3 is a DC-DC converter designed for various electronic applications. Key features include:
1. Input Voltage Range: 4.5V to 12V, allowing flexibility in powering from different sources.
2. Output Voltage: Fixed output of 5V.
3. Output Current: Capable of delivering up to 1W of power, with a maximum load current of 200mA.
4. High Efficiency: Typically around 80% or higher, minimizing heat generation and improving energy usage.
5. Isolation: 1,500 VDC isolation, providing safety and reliability in sensitive applications.
6. Compact Design: Small footprint (24.5mm x 19mm x 10.5mm) suitable for space-constrained designs.
7. Operating Temperature: Wide operating temperature range from -40°C to +85°C, ensuring performance in diverse environments.
8. Overcurrent Protection: Built-in protection mechanisms to safeguard against potential damage.
This converter is ideal for industrial, telecommunications, and portable applications where reliable power conversion is essential.

Package

The B1205S-1WR3 is typically available in a SIP (Single In-line Package) form factor. This package type allows for easy mounting on PCBs and is designed for efficient thermal management and space-saving in electronic applications.

Pinout

The B1205S-1WR3 is a DC-DC converter module with a pin count of 5. The pin functions are as follows:
1. Vin (Input Voltage): Connects to the input voltage source.
2. GND (Ground): Common ground connection.
3. Vout (Output Voltage): Outputs the regulated voltage.
4. On/Off Control: Controls the power to the converter (usually active high).
5. NC (No Connect): Not used, typically left unconnected.
This converter is designed for a wide input range of 4.5V to 12V and provides a 5V output with a current rating of up to 1W. It is suitable for various applications requiring DC voltage regulation.

Manufacturer

The B1205S-1WR3 is manufactured by Mean Well Enterprises Co., Ltd., a Taiwanese company. Mean Well is a leading provider of standard power supply products, specializing in AC-DC power supplies, DC-DC converters, LED drivers, and battery chargers. Founded in 1982, the company is known for its high-quality, reliable power solutions that cater to various industries, including telecommunications, automation, and medical equipment. Mean Well's products are widely used globally, and the company emphasizes innovation and customer service, offering a broad range of products with various specifications to meet diverse application needs.

Application

The B1205S-1WR3 is a compact DC-DC converter used in various applications, including telecommunications, industrial automation, medical equipment, and portable devices. It provides voltage regulation and isolation, making it suitable for powering circuits in embedded systems, sensor networks, and battery-operated devices. Its efficiency and small footprint also enable use in space-constrained environments.

Equivalent

The B1205S-1WR3 is a DC-DC converter with specific output voltage and current ratings. Equivalent products may include:
1. B1205S-1W (same series but with different specifications)
2. LM2596 (from Texas Instruments)
3. LM2576 (from Texas Instruments)
4. R-78E series (from RECOM)
Always verify specifications such as input/output voltage, current, and efficiency to ensure compatibility.