OSRAM TOPLED™ Black, SFH 4257

Discontinued
×
Discontinued

Description

High Power Infrared Emitter (850 nm)

Details

Parameters

Color of emission
Infrared (>800 nm)
Current
IF
100 mA
Peak wavelength
λ
860 nm
Brightness
ΦE
25 mW
IE
9 mW/sr
Beam angle
120 °
Dimension
l
3.5 mm
w
2.8 mm
h
1.9 mm
Operating temperature
Top min.
-40 °C
Top max.
100 °C

Ordering information

Product Type Description Ordering code Availability
SFH 4257-Q Ie = 7.1 ... 11.2 mW/sr, (Ie=9 mW/sr typ.) (IF = 100 mA) Q65111A4941 Discontinued
SFH 4257-Z Ie = 7.1 ... 18.0 mW/sr, (Ie=9 mW/sr typ.) (IF = 100 mA) Q65110A2466 Discontinued

Downloads

Datasheets

SFH 4257 · Datasheet · PDF · en_US

Application note

Eye safety of IREDs used in lamp applications · Product related · PDF · en_US
High-speed switching of IR-LEDs — Background and data sheet definition · Product related · PDF · en_US
Customer complaint management — Details on return shipments for failure analysis request (FAR) · General information · PDF · en_US
Long-term availability management · General information · PDF · en_US
Importing rayfiles and ray-measurement files of LEDs · General information · PDF · en_US
Fundamentals of LED handling · Handling recommendations · PDF · en_US
Dry pack information · Handling recommendations · PDF · en_US
Manual lead-free soldering of LEDs · Soldering and processing · PDF · en_US
Measuring of the temperature profile during the reflow solder process · Soldering and processing · PDF · en_US
Processing of SMD LEDs · Soldering and processing · PDF · en_US
Recommended pick-and-place tools of LEDs · Soldering and processing · PDF · en_US
PCB technologies for LED applications · Thermal management · PDF · en_US
Determination of resistances for brightness compensation · Electrical design · PDF · en_US
LED driving technology for long term flexibility · Electrical design · PDF · en_US

Resources

CAD Data · CAD Data · FOLDER
Optical Simulation · Optical Simulation · FOLDER

Images

TOPLED SFH 4257 · Images · TIF

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.