ams OSRAM Power TOPLED Lens™ SFH 4258BS & SFH 4259BS Infrared LEDs

Introduction

The ams OSRAM SFH 4258BS and SFH 4259BS are compact, high-performance infrared LEDs designed for systems that require strong and efficient IR illumination. Built with IR:6 thin-film chip technology, these devices combine high radiant intensity with reduced thermal demands, making them suitable for demanding industrial, consumer, automotive, and medical designs.

Part Description

The Power TOPLED Lens™ SFH 4258BS and SFH 4259BS are infrared LED components in a compact optoelectronic package. Their thin-film chip architecture is engineered to improve optical efficiency and provide high radiant output while helping designers manage power dissipation and thermal constraints.

These LEDs support high forward-current operation, including operation at elevated temperatures. Their AEC-Q102 qualification makes them especially relevant for automotive environments, where reliability under temperature variation, vibration, and long-term operating stress is important. The integrated lens package also supports focused IR illumination applications where compact size and dependable performance are required.

Applications

Potential applications for the SFH 4258BS and SFH 4259BS include:

• Access-control and electronic door-entry systems
• IR security cameras and surveillance illumination
• Facial recognition and authentication equipment
• Proximity and presence-sensing systems
• Industrial automation sensors
• Machine-vision illumination
• In-cabin automotive sensing
• Driver and occupant monitoring systems
• Gesture-recognition devices
• IR medical and therapeutic lighting equipment
• Optical detection and measurement instruments
• Smart-home sensing devices

Industries

These infrared LEDs can be used across a range of industries, including:

• Automotive and transportation
• Industrial automation
• Security and surveillance
• Consumer electronics
• Smart-home and building automation
• Healthcare and medical devices
• Access-control and identity-management systems
• Robotics
• Logistics and warehousing
• Scientific instrumentation

Usage Ideas

1. Vehicle Occupant Monitoring Module

Use one or more IR LEDs to illuminate a vehicle cabin for an occupant-monitoring camera. The system can support driver attention monitoring, passenger detection, or low-light in-cabin imaging.

2. Secure Door Authentication Reader

Design an access-control unit with IR illumination for a camera-based authentication system. The compact LEDs can help provide controlled lighting for facial recognition or other optical identity-verification methods.

3. Automated Conveyor Inspection Sensor

Integrate the LEDs into an industrial optical inspection station to illuminate products moving along a conveyor. Combined with a suitable sensor or camera, the system can detect object presence, orientation, markings, or surface differences.

Conclusion

The ams OSRAM SFH 4258BS and SFH 4259BS Power TOPLED Lens™ infrared LEDs offer a compact solution for high-intensity IR illumination. Their efficient IR:6 thin-film technology, ability to operate at high current and elevated temperatures, and AEC-Q102 reliability qualification make them well suited to automotive sensing, security, authentication, industrial automation, and medical lighting designs.