SPEC NO: DSAM9472 REV NO: V.2B DATE: OCT/15/2014 PAGE: 1 OF 6
APPROVED: WYNEC CHECKED: Allen Liu DRAWN: L.Q.Xie ERP: 1101032419
T-1 (3mm) INFRARED EMITTING DIODE
Part Number: L-7104SF7BT
Features
zMechanically and spectrally matched to the phototran-
sistor.
zRoHS compliant.
Description
SF7 Made with Gallium Aluminum Arsenide Infrared Emit-
ting diodes.
Package Dimensions
Notes:
1. All dimensions are in millimeters (inches).
2. Tolerance is ±0.25(0.01") unless otherwise noted.
3. Lead spacing is measured where the leads emerge from the package.
4. The specifications, characteristics and technical data described in the datasheet are subject to change without prior notice.
SPEC NO: DSAM9472 REV NO: V.2B DATE: OCT/15/2014 PAGE: 2 OF 6
APPROVED: WYNEC CHECKED: Allen Liu DRAWN: L.Q.Xie ERP: 1101032419
Selection Guide
Notes:
1. θ1/2 is the angle from optical centerline where the luminous intensity is 1/2 of the optical peak value.
2. Radiant Intensity/ luminous flux: +/-15%.
3. Radiant intensity value is traceable to the CIE127-2007 compliant national standards.
Absolute Maximum Ratings at TA=25°C
Electrical / Optical Characteristics at TA=25°C
Note:
1.Forward Voltage: +/-0.1V.
2.Wavelength value is traceable to the CIE127-2007 compliant national standards.
3.Excess driving current and/or operating temperature higher than recommended conditions may result in severe light degradation or
premature failure.
Notes:
1. 1/100 Duty Cycle, 10μs Pulse Width.
2. 2mm below package base.
3. 5mm below package base.
Part No. Dice Lens Type
Po (mW/sr) [2]
@ 20mA Po (mW/sr) [2]
@ 50mA Viewing
Angle [1]
Min. Typ. Min. Typ. 2θ1/2
L-7104SF7BT SF7 (GaAlAs) Blue Transparent 10 30 15 40 34°
Parameter P/N Symbol Typ. Max. Units Test Conditions
Forward Voltage [1] SF7 VF 1.4 1.6 V IF=20mA
Reverse Current SF7 IR 10 uA VR = 5V
Capacitance SF7 C 30 pF VF=0V;f=1MHz
Peak Spectral Wavelength SF7 λP 850 nm IF=20mA
Spectral Bandwidth SF7 Δλ1/2 50 nm IF=20mA
Parameter Symbol SF7 Units
Power dissipation PD 80 mW
DC Forward Current IF 50 mA
Peak Forward Current [1] iFS 1 A
Reverse Voltage VR 5 V
Operating Temperature TA -40 To +85 °C
Storage Temperature TSTG -40 To +85 °C
Lead Solder Temperature [2] 260°C For 3 Seconds
Lead Solder Temperature [3] 260°C For 5 Seconds
SPEC NO: DSAM9472 REV NO: V.2B DATE: OCT/15/2014 PAGE: 3 OF 6
APPROVED: WYNEC CHECKED: Allen Liu DRAWN: L.Q.Xie ERP: 1101032419
L-7104SF7BT
SPEC NO: DSAM9472 REV NO: V.2B DATE: OCT/15/2014 PAGE: 4 OF 6
APPROVED: WYNEC CHECKED: Allen Liu DRAWN: L.Q.Xie ERP: 1101032419
PACKING & LABEL SPECIFICATIONS L-7104SF7BT
Terms and conditions for the usage of this document
1.The information included in this document reflects representative usage scenarios and is intended
for technical reference only.
2.The part number, type, and specifications mentioned in this document are subject to future change
and improvement without notice. Before production usage customer should refer to the latest
datasheet for the updated specifications.
3.When using the products referenced in this document, please make sure the product is being
operated within the environmental and electrical limits specified in the datasheet. If customer usage
exceeds the specified limits, Kingbright will not be responsible for any subsequent issues.
4.The information in this document applies to typical usage in consumer electronics applications.
If customer's application has special reliability requirements or have life-threatening liabilities,
such as automotive or medical usage, please consult with Kingbright representative for further
assistance.
5.The contents and information of this document may not be reproduced or re-transmitted without
permission by Kingbright.
6.All design applications should refer to Kingbright application notes available at
http://www.kingbright.com/application_notes
SPEC NO: DSAM9472 REV NO: V.2B DATE: OCT/15/2014 PAGE: 5 OF 6
APPROVED: WYNEC CHECKED: Allen Liu DRAWN: L.Q.Xie ERP: 1101032419
SPEC NO: DSAM9472 REV NO: V.2B DATE: OCT/15/2014 PAGE: 6 OF 6
APPROVED: WYNEC CHECKED: Allen Liu DRAWN: L.Q.Xie ERP: 1101032419