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L-34SF4BT (Kingbright) : Total 6 Pages

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T-1 (3mm) INFRARED EMITTING DIODE
Part Number: L-34SF4BT
Features
Mechanically and spectrally matched to the phototran-
sistor.
RoHS compliant.
Description
SF4 Made with Gallium Aluminum Arsenide Infrared Emit-
ting diodes.
KingbrightPackage 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: DSAC0834
APPROVED: WYNEC
REV NO: V.12B
CHECKED: Allen Liu
DATE: JAN/24/2014
DRAWN: L.Q.Xie
PAGE: 1 OF 6
ERP: 1101029104



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Selection Guide
Part No.
Dice
Lens Type
L-34SF4BT
SF4 (GaAlAs)
Blue Transparent
Notes:
1. θ1/2 is the angle from optical centerline where the luminous intensity is 1/2 of the optical peak value.
2. * Luminous intensity with asterisk is measured at 50mA;Radiant Intensity/ luminous flux: +/-15%.
3. Radiant intensity value is traceable to the CIE127-2007 compliant national standards.
Po (mW/sr) [2] Viewing
@ 20mA *50mA Angle [1]
Min. Typ.
2θ1/2
3 16
*5 *20
50°
Electrical / Optical Characteristics at TA=25°C
Parameter
P/N Symbol
Typ.
Forward Voltage [1]
tReverse Current
hCapacitance
SF4 VF 1.3
SF4 IR
SF4 C 90
rigPeak Spectral Wavelength
SF4 λP 880
Spectral Bandwidth
SF4
Δλ1/2
50
Note:
b1. Forward Voltage: +/-0.1V.
King2.Wavelength value is traceable to the CIE127-2007 compliant national standards.
Max.
1.6
10
Units
V
uA
pF
nm
nm
Test Conditions
IF=20mA
VR = 5V
VF=0V;f=1MHz
IF=20mA
IF=20mA
Absolute Maximum Ratings at TA=25°C
Parameter
Symbol
Power dissipation
PD
DC Forward Current
IF
Peak Forward Current [1]
iFS
Reverse Voltage
VR
Operating Temperature
TA
Storage Temperature
TSTG
Lead Solder Temperature [2]
Lead Solder Temperature [3]
Notes:
1. 1/100 Duty Cycle, 10μs Pulse Width.
2. 2mm below package base.
3. 5mm below package base.
SF4
80
50
1.2
5
-40 To +85
-40 To +85
260°C For 3 Seconds
260°C For 5 Seconds
Units
mW
mA
A
V
°C
°C
SPEC NO: DSAC0834
APPROVED: WYNEC
REV NO: V.12B
CHECKED: Allen Liu
DATE: JAN/24/2014
DRAWN: L.Q.Xie
PAGE: 2 OF 6
ERP: 1101029104



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KingbrightL-34SF4BT
SPEC NO: DSAC0834
APPROVED: WYNEC
REV NO: V.12B
CHECKED: Allen Liu
DATE: JAN/24/2014
DRAWN: L.Q.Xie
PAGE: 3 OF 6
ERP: 1101029104



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PACKING & LABEL SPECIFICATIONS
L-34SF4BT
Kingbright
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: DSAC0834
APPROVED: WYNEC
REV NO: V.12B
CHECKED: Allen Liu
DATE: JAN/24/2014
DRAWN: L.Q.Xie
PAGE: 4 OF 6
ERP: 1101029104






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