Question 1

What are the key features of Vishay Semiconductor Opto Division VSLY5940?

EZKEY · Accepted Answer

This product belongs to the Infrared Emitters category and ships in standard packaging. It features high reliability, stable performance and low power consumption. Key parameters include wide operating range, low loss, and over-temperature protection, suitable for industrial applications. Manufactured by Vishay Semiconductor Opto Division with full traceability.

Question 2

What are the main application scenarios for VSLY5940?

EZKEY · Accepted Answer

Typical applications include power management, industrial control. Additionally, it is widely used in automotive electronics, telecom infrastructure, medical devices, and consumer electronics as a critical circuit component, improving system integration and energy efficiency.

Question 3

How does VSLY5940 work?

EZKEY · Accepted Answer

This device follows established Infrared Emitters design principles. Core functional stages include input handling, signal and power processing, and protection logic, ensuring stable operation under varying conditions. Refer to the datasheet for the detailed characteristics and application guidance.

Question 4

What is the technical performance of VSLY5940?

EZKEY · Accepted Answer

Performance highlights: stable characteristics across the operating temperature range, low loss, and long service life. Reliable contact and shock resistance, with protection against over-current and over-voltage where applicable. Meets industrial and automotive reliability standards where the series qualifies.

Question 5

What is the current market demand for VSLY5940?

EZKEY · Accepted Answer

The global Infrared Emitters market is growing at ~6-8% CAGR, with particularly strong demand in power management. Vishay Semiconductor Opto Division VSLY5940 is a mainstream model with stable stock and a typical lead time of 2-4 weeks. Driven by new energy and smart electronics trends, inquiries for this model are steadily increasing, indicating a positive long-term outlook.

Question 6

What are the technical characteristics of VSLY5940?

EZKEY · Accepted Answer

Three main technical features: 1) High reliability – stable performance over the rated life; 2) Low-loss design – reduced energy loss in operation; 3) Wide adaptability – compatible with various operating conditions. Additionally, Vishay Semiconductor Opto Division provides full technical support and reference designs.

Application	General Purpose
Brand	Vishay Semiconductor Opto Division
Category	Infrared Emitters
Data Tier	General Description
Description	Infrared Emitters 940nm,T-1.75 600mW/sr,+/-3deg.
Lead Free	Yes
Manufacturer	Vishay Semiconductors
Mounting Type	Surface Mount
Operating Temperature	-55 to +150 C
Packaging	Bulk
Product Type	Electronic Component
RoHS	Compliant
Series	Vishay
Standard Pack Qty	4000

Recommended Part	Brand	Description
VO3063	Vishay Semiconductor Opto Division	OPTOISOLATOR 5.3KV TRIAC 6DIP
VSMD66694	Vishay Semiconductor Opto Division	Infrared Emitters 660/940nm, SMD 2.3mW/sr, +/-60deg.
SFH617A-2X006	Vishay Semiconductor Opto Division	OPTOISOLATOR 5.3KV TRANS 4DIP

VSLY5940 | Vishay Semiconductor Opto Division Infrared Emitters 940nm,T-1.75 600mW/sr,+/-3deg.

Product Details

PDF Datasheet

Technical Docs

Technical Parameters

VSLY5940 Application and Selection Guide

VSLY5940 Model and Manufacturer Information

VSLY5940 Product Parameters and Description

VSLY5940 Application and Selection Reference

Recommended Part Numbers for VSLY5940