OSRAM TOPLED® Black, SFH 4257

Downloads

Datasheet

SFH 4257

Datasheet / 754.7 KB

Application note

Eye safety of IREDs used in lamp applications

Product Related / 1.5 MB

High-speed switching of IR-LEDs — Background and data sheet definition

Product Related / 1.7 MB

Customer complaint management — Details on return shipments for failure analysis request (FAR)

General Information / 1.7 MB

Dry pack information

General Information / 1.2 MB

Importing rayfiles and ray-measurement files of LEDs

General Information / 903.2 KB

LED 可靠性与使用寿命

General Information / 1.7 MB

Lebensdauer und Zuverlässigkeit von LEDs

General Information / 1.9 MB

Long-term availability management

General Information / 1.0 MB

Preventing LED failures caused by corrosive materials

General Information / 1.2 MB

Reliability and lifetime of LEDs

General Information / 1.9 MB

Manual lead-free soldering of LEDs

Processing and Handling / 1.9 MB

Measuring of the temperature profile during the reflow solder process

Processing and Handling / 1.2 MB

PCB technologies for LED applications

Processing and Handling / 3.1 MB

Processing of SMD LEDs

Processing and Handling / 4.5 MB

Recommended pick-and-place tools for LEDs

Processing and Handling / 6.0 MB

Determination of resistances for brightness compensation

Driving of LEDs / 873.5 KB

LED driving technology for long term flexibility

Driving of LEDs / 1.1 MB

Optical simulation

Optical Simulation

Optical simulation

CAD files

CAD Data

CAD files

Ordering codes

Product Type Description Order No. Availability
SFH 4257-Q Ie = 7.1 ... 11.2 mW/sr, (Ie=9 mW/sr typ.) (IF = 100 mA) Q65111A4941
SFH 4257-Z Ie = 7.1 ... 18.0 mW/sr, (Ie=9 mW/sr typ.) (IF = 100 mA) Q65110A2466

Tools

LightGuide

Calculate the effectiveness of an LED based on a selected light guide by showing the amount of incoupled, reflected and missed light rays.