SPEC NO: DSAA6237 REV NO: V.14B DATE: APR/13/2013 PAGE: 1 OF 6
APPROVED: WYNEC CHECKED: Allen Liu DRAWN: F.Cui ERP: 1101029021
T-1 (3mm) INFRARED EMITTING DIODE
Part Number: L-34SF4C
Features
zMechanically and spectrally matched to the phototran-
sistor.
zRoHS compliant.
Description
SF4 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: DSAA6237 REV NO: V.14B DATE: APR/13/2013 PAGE: 2 OF 6
APPROVED: WYNEC CHECKED: Allen Liu DRAWN: F.Cui ERP: 1101029021
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. * 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.
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.
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 *50mA
Viewing
Angle [1]
Min. Typ. 2θ1/2
L-34SF4C SF4 (GaAlAs) Water Clear
3 16
*5 *20 50°
Parameter P/N Symbol Typ. Max. Units Test Conditions
Forward Voltage [1] SF4 VF 1.3 1.6 V IF=20mA
Reverse Current SF4 IR 10 uA VR = 5V
Capacitance SF4 C 90 pF VF=0V;f=1MHz
Peak Spectral Wavelength SF4 λP 880 nm IF=20mA
Spectral Bandwidth SF4 Δλ1/2 50 nm IF=20mA
Parameter Symbol SF4 Units
Power dissipation PD 80 mW
DC Forward Current IF 50 mA
Peak Forward Current [1] iFS 1.2 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: DSAA6237 REV NO: V.14B DATE: APR/13/2013 PAGE: 3 OF 6
APPROVED: WYNEC CHECKED: Allen Liu DRAWN: F.Cui ERP: 1101029021
L-34SF4C
SPEC NO: DSAA6237 REV NO: V.14B DATE: APR/13/2013 PAGE: 4 OF 6
APPROVED: WYNEC CHECKED: Allen Liu DRAWN: F.Cui ERP: 1101029021
PACKING & LABEL SPECIFICATIONS L-34SF4C
SPEC NO: DSAA6237 REV NO: V.14B DATE: APR/13/2013 PAGE: 5 OF 6
APPROVED: WYNEC CHECKED: Allen Liu DRAWN: F.Cui ERP: 1101029021
SPEC NO: DSAA6237 REV NO: V.14B DATE: APR/13/2013 PAGE: 6 OF 6
APPROVED: WYNEC CHECKED: Allen Liu DRAWN: F.Cui ERP: 1101029021
Detailed application notes are listed on our website.
http://www.kingbright.com/application_notes