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B0503S-1WR3

Name: B0503S-1WR3
Rating: 4.7 (12 reviews)

DC DC CONVERTER 3.3V 1W

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規格

Series	B_S-1WR3 (1W)
Part Status	Not For New Designs
Type	Isolated Module
Number of Outputs	1
Voltage - Input (Min)	4.5V
Voltage - Input (Max)	5.5V
Voltage - Output 1	3.3V
Current - Output (Max)	303mA
Applications	ITE (Commercial)
Operating Temperature	-40°C ~ 105°C
Efficiency	74%
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

概述

Description

The B0503S-1WR3 is a DC-DC converter designed to step down voltage levels in various electronic applications. It typically features a wide input voltage range, making it suitable for applications that require reliable power conversion. This converter produces a stable output voltage, which is important for powering sensitive components in devices such as communication equipment, industrial controls, and consumer electronics.
Key specifications often include an output voltage of 5V, an output current rating around 3A, and high efficiency, which minimizes energy loss during conversion. The B0503S-1WR3 is also designed for compact applications, featuring a small footprint to facilitate integration into space-constrained designs. Additionally, it usually comes with built-in protections against overload and short circuits, enhancing reliability.
Overall, the B0503S-1WR3 is a versatile and efficient solution for developers looking to manage power requirements in a wide variety of electronic systems.

Features

The B0503S-1WR3 is a DC-DC converter module designed for compact applications, featuring a wide input voltage range of 4.5V to 5.5V and an output of 3.3V. It delivers a maximum output current of 1A, with high efficiency typically around 85%. This module includes built-in protections such as over-voltage, over-current, and short-circuit protection, ensuring reliable operation.
Its small size (typically 1.6 x 1.2 x 0.4 inches) makes it suitable for space-constrained designs. The B0503S-1WR3 operates within a temperature range of -40°C to +85°C and is designed for both surface mount and through-hole applications.
Additionally, it offers features like low ripple and noise, making it ideal for sensitive electronic applications. The converter is commonly used in telecommunications, industrial control systems, and other embedded systems requiring efficient voltage regulation.

Package

The B0503S-1WR3 is packaged in a compact, surface-mount type format (SMD). It typically features a standard 7-pin DIP (dual in-line package) configuration, suitable for PCB mounting, allowing for efficient space utilization in electronic designs.

Pinout

The B0503S-1WR3 is a DC-DC converter module with a pin count of 5. Its primary functions include converting input voltage from 4.5V to 5.5V down to an output of 5V, with a maximum output current of 1A. The pin configuration is as follows:
1. Vin (+): Input voltage positive terminal.
2. Vin (-): Input voltage negative terminal (ground).
3. Vout (+): Output voltage positive terminal.
4. Vout (-): Output voltage negative terminal (ground).
5. NC (No Connection): Not connected; typically left unutilized.
This module is designed for applications requiring efficient voltage regulation in a compact form factor, suitable for various electronic devices and systems.

Manufacturer

The manufacturer of the B0503S-1WR3 is RECOM Power. RECOM is a global company specializing in power supply solutions, particularly in the fields of DC-DC converters, AC-DC power modules, and LED drivers. Established in 1990 and headquartered in Austria, RECOM focuses on providing high-quality, innovative, and efficient power conversion products for a wide range of applications, including industrial automation, telecommunications, medical devices, and consumer electronics. The company is known for its emphasis on reliability, performance, and customer support, catering to both standard and custom power supply needs.

Application

The B0503S-1WR3 is a DC-DC converter primarily used in applications such as telecommunications, industrial controls, and networking equipment. Its compact design and efficiency make it suitable for powering low-voltage devices, signal processing, and embedded systems. Additionally, it is often employed in medical equipment and automation systems where reliable power conversion is essential.

Equivalent

The B0503S-1WR3 is a DC-DC converter from Murata, specifically a 5V input to 3.3V output, 1W isolated module. Equivalent products may include the following:
1. RECOM R-78B3.3-1.0 - A switching regulator with similar specifications.
2. Traco Power TSR 1-2450 - A step-down converter suitable for similar applications.
3. Mean Well IRM-15-3.3 - An isolated DC-DC converter with comparable output.
Always verify specific parameters like input/output voltage, current ratings, and isolation requirements for compatibility.