LED55B Datasheet, PDF (1/4 Pages) QT Optoelectronics – GAAS INFRARED EMITTING DIODE

GaAs INFRARED EMITTING DIODE
LED55B
PACKAGE DIMENSIONS
0.209 (5.31)
0.184 (4.67)
LED55C
LED56
0.030 (0.76)
NOM
0.255 (6.48)
1.00 (25.4)
MIN
ANODE
(CASE)
0.100 (2.54)
0.050 (1.27)
0.040 (1.02)
13
0.040 (1.02)
45°
Ø0.020 (0.51) 2X
NOTES:
1. Dimensions for all drawings are in inches (mm).
2. Tolerance of ± .010 (.25) on all non-nominal dimensions
unless otherwise specified.
SCHEMATIC
ANODE
3
(Connected
To Case)
CATHODE
1
DESCRIPTION
The LED55B/LED55C/LED56 are 940 nm LEDs in a narrow angle, TO-46 package.
FEATURES
• Good optical to mechanical alignment
• Mechanically and wavelength matched to the TO-18 series phototransistor
• Hermetically sealed package
• High irradiance level
 2001 Fairchild Semiconductor Corporation
DS300312 6/05/01
1 OF 4
www.fairchildsemi.com