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SFH 4855

SFH 4855
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SFH 4855

Product catalog summary
Applications: The SFH 4855 is an infrared emitter suitable for industrial automation, including machine controls, light barriers, and vision controls.
Features: It is housed in a hermetically sealed Metal Can® TO18 package, with an ESD withstand voltage of 2 kV according to ANSI/ESDA/JEDEC JS-001 (HBM, Class 2). The emitter operates at a wavelength of 850 nm and offers short switching times, with a spectral match to silicon photodetectors.
Ordering Information: The SFH 4855 is available with radiant intensities ranging from 45 to 280 mW/sr, depending on the specific model.
Maximum Ratings: The device can operate within a temperature range of -40 °C to 125 °C, with a maximum forward current of 100 mA and a surge current of 1 A. The maximum reverse voltage is 12 V, and the power consumption should not exceed 200 mW.
Characteristics: At a forward current of 100 mA, the peak wavelength is typically 860 nm, with a centroid wavelength of 850 nm. The spectral bandwidth at 50% Irel,max is 30 nm, and the half angle is 8°. The forward voltage is typically 1.7 V, with a maximum of 1.9 V at 100 mA.
Brightness Groups: The emitter is categorized into brightness groups based on radiant intensity, ranging from 45 mW/sr to 280 mW/sr.
Radiation Characteristics: The document includes graphs illustrating the relative spectral emission and radiation characteristics.
Dimensional Drawing: The emitter has an approximate weight of 380 mg, with pin descriptions for cathode and anode.
Soldering Recommendations: The document provides guidelines for TTW soldering, including temperature profiles and preheating recommendations.
Disclaimer: The document notes that the information provided should not be considered as assured characteristics and highlights the importance of consulting the latest version on the OSRAM OS website.
Glossary: Definitions for terms such as radiant intensity, brightness, reverse operation, forward voltage, and total radiant flux are provided.
Revision History: The document notes changes in ordering information and characteristics in version 1.4 dated 2020-02-04.
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Catalog excerpts

SFH 4855-1

SFH 4855 Metal Can ® TO18 Infrared Emitter (850 nm) Applications ——Industrial Automation (Machine Controls, Light Barriers, Vision Controls) Features: ——Package: hermetically sealed ——ESD: 2 kV acc. to ANSI/ESDA/JEDEC JS-001 (HBM, Class 2) ——Wavelength 850nm ——Short switching times ——Spectral match with silicon photodetectors Ordering Information  Type Ordering Code

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SFH 4855-2

Maximum Ratings TA = 25 °C Parameter Operating temperature Storage temperature Forward current Power consumption ESD withstand voltage acc. to ANSI/ESDA/JEDEC JS-001 (HBM, Class 2)

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SFH 4855-3

Peak wavelength Centroid wavelength Spectral bandwidth at 50% Irel,max (FWHM) Half angle Dimensions of active chip area Distance chip surface to lens top Temperature coefficient of voltage Temperature coefficient of brightness Temperature coefficient of wavelength Thermal resistance junction case real Thermal resistance junction ambient real

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SFH 4855-4

Brightness Groups  TA = 25 °C Group Only one group in one packing unit (variation lower 2:1). Relative Spectral Emission

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SFH 4855-5

Radiation Characteristics Forward current Relative Radiant Intensity

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SFH 4855-6

Max. Permissible Forward Current Permissible Pulse Handling Capability IF,max = f (TA); Rthja = 500K / W; single pulse IF = f (tp); duty cycle D = parameter; TA = 25°C Permissible Pulse Handling Capability IF = f (tp); duty cycle D = parameter; TA = 85°C

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SFH 4855-7

Dimensional Drawing Further Information: Approximate Weight: Package marking:

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SFH 4855-9

300 10 s max., max. contact time 5 s per wave Second wave Continuous line: typical process Dotted line: process limits

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SFH 4855-10

Disclaimer Attention please! The information describes the type of component and shall not be considered as assured characteristics. Terms of delivery and rights to change design reserved. Due to technical requirements components may contain dangerous substances. For information on the types in question please contact our Sales Organization. If printed or downloaded, please find the latest version on the OSRAM OS website. Packing Please use the recycling operators known to you. We can also help you – get in touch with your nearest sales office. By agreement we will take packing material back,...

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SFH 4855-11

Radiant intensity: Measured at a solid angle of Ω = 0.01 sr Brightness: The brightness values are measured with a tolerance of ±11%. Reverse Operation: Reverse Operation of 10 hours is permissible in total. Continuous reverse operation is not allowed. Forward Voltage: The forward voltages are measured with a tolerance of ±0.1 V. Total radiant flux: Measured with integrating sphere. Typical Values: Due to the special conditions of the manufacturing processes of semiconductor devices, the typical data or calculated correlations of technical parameters can only reflect statistical figures. These...

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SFH 4855-12

Revision History Version Ordering Information Characteristics

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SFH 4855-13

Published by OSRAM Opto Semiconductors GmbH Leibnizstraße 4, D-93055 Regensburg www.osram-os.com © All Rights Reserved.

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.