0.030 (0.76)
NOM
0.116 (2.95)
0.193 (4.90)
0.800 (20.3)
MIN
0.050 (1.27)
0.100 (2.54)
NOM
0.018 (0.46)
SQ. (2X)
0.155 (3.94)
CATHODE
0.052 (1.32)
0.032 (0.082)
REFERENCE
SURFACE
NOTES:
1. Dimensions for all drawings are in inches (mm).
2. Tolerance of .010 (.25) on all non-nominal dimensions
unless otherwise specified.
ANODE
CATHODE
SCHEMATIC
2001 Fairchild Semiconductor Corporation
DS300334
5/21/01
1 OF 3
www.fairchildsemi.com
PACKAGE DIMENSIONS
DESCRIPTION
The QEC11X is an 940 nm GaAs LED encapsulated in a clear peach tinted, plastic T-1 package.
QEC112
QEC113
FEATURES
= 940 nm
Chip material = GaAs
Package type: T-1 (3mm)
Matched Photosensor: QSC112
Narrow Emission Angle, 24
High Output Power
Package material and color: Clear, peach tinted plastic
PLASTIC INFRARED
LIGHT EMITTING DIODE
Parameter
Symbol
Rating
Unit
Operating Temperature
T
OPR
-40 to +100
C
Storage Temperature
T
STG
-40 to +100
C
Soldering Temperature (Iron)
(2,3,4)
T
SOL-I
240 for 5 sec
C
Soldering Temperature (Flow)
(2,3)
T
SOL-F
260 for 10 sec
C
Continuous Forward Current
I
F
50
mA
Reverse Voltage
V
R
5
V
Power Dissipation
(1)
P
D
100
mW
ABSOLUTE MAXIMUM RATINGS
(T
A
= 25C unless otherwise specified)
PARAMETER
TEST CONDITIONS
SYMBOL
MIN
TYP
MAX
UNITS
Peak Emission Wavelength
I
F
= 100 mA
PE
--
940
--
nm
Emission Angle
I
F
= 100 mA
2
1/2
24
Deg.
Forward Voltage
I
F
= 100 mA, tp = 20 ms
V
F
--
--
1.5
V
Reverse Current
V
R
= 5 V
I
R
--
--
10
A
Radiant Intensity QEC112
I
F
= 100 mA, tp = 20 ms
I
E
6
--
30
mW/sr
Radiant Intensity QEC113
I
F
= 100 mA, tp = 20 ms
I
E
14
--
--
mW/sr
Rise Time
I
F
= 100 mA
t
r
--
1000
--
ns
Fall Time
t
f
--
1000
--
ns
ELECTRICAL / OPTICAL CHARACTERISTICS
(T
A
=25C)
1. Derate power dissipation linearly 1.33 mW/C above 25C.
2. RMA flux is recommended.
3. Methanol or isopropyl alcohols are recommended as cleaning agents.
4. Soldering iron
1/16"
(1.6mm) minimum from housing.
QEC112
QEC113
PLASTIC INFRARED
LIGHT EMITTING DIODE
www.fairchildsemi.com
2 OF 4
5/21/01
DS300334
Fig.1 Normalized Radiant Intensity vs. Forward Current
I
F
- FORWARD CURRENT (mA)
LENS TIP SEPARATION (INCHES)
1
10
100
1000
I
e
- NORMALIZED RADIANT INTENSITY
V
F
- FOR
W
ARD
V
O
L
T
A
GE (V)
0.001
0.01
0.1
1
10
Normalized to:
I
F
= 100 mA Pulsed
t
pw
= 100 s
Duty Cycle = 0.1 %
T
A
= 25C
Fig.2 Coupling Characteristics of QEC11X And QSC11X
0
1
2
3
4
5
6
7
8
I
C
(ON) - NORMALIZED COLLECT
OR CURRENT (mA)
0.0
0.2
0.4
0.6
0.8
1.0
Normalized to:
d = 0
I
F
Pulsed
t
pw
= 100 s
Duty Cycle = 0.1 %
V
CC
= 5 V
R
L
= 100
T
A
= 25C
I
F
= 100 mA
I
F
= 20 mA
Fig.3 Forward Voltage vs. Ambient Temperature
T
A
- AMBIENT TEMPERATURE (C)
-40
-20
0
20
40
60
80
100
0.0
0.5
1.0
1.5
2.0
Normalized to:
I
F
Pulsed
t
pw
= 100 s
Duty Cycle = 0.1 %
I
F
= 100 mA
I
F
= 10 mA
I
F
= 50 mA
I
F
= 20 mA
Fig. 5 Radiation Diagram
0.0
0.2
0.4
0.6
0.8
1.0
0.0
0.2
0.4
0.6
0.8
1.0
0
10
20
30
40
50
60
70
80
90
100
110
120
130
140
150
160
170
180
Fig. 4 Normalized Intensity vs. Wavelength
(nm)
875
900
925
950
975
1000
1025
NORMALIZED INTENSITY
0.0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1.0
QEC112
QEC113
PLASTIC INFRARED
LIGHT EMITTING DIODE
TYPICAL PERFORMANCE CURVES
DS300334
5/21/01
3 OF 4
www.fairchildsemi.com
QEC112
QEC113
PLASTIC INFRARED
LIGHT EMITTING DIODE
www.fairchildsemi.com
4 OF 4
5/21/01
DS300334
DISCLAIMER
FAIRCHILD SEMICONDUCTOR RESERVES THE RIGHT TO MAKE CHANGES WITHOUT FURTHER NOTICE TO
ANY PRODUCTS HEREIN TO IMPROVE RELIABILITY, FUNCTION OR DESIGN. FAIRCHILD DOES NOT ASSUME
ANY LIABILITY ARISING OUT OF THE APPLICATION OR USE OF ANY PRODUCT OR CIRCUIT DESCRIBED
HEREIN; NEITHER DOES IT CONVEY ANY LICENSE UNDER ITS PATENT RIGHTS, NOR THE RIGHTS OF
OTHERS.
LIFE SUPPORT POLICY
FAIRCHILD'S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT
DEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF THE PRESIDENT OF FAIRCHILD
SEMICONDUCTOR CORPORATION. As used herein:
1. Life support devices or systems are devices or
systems which, (a) are intended for surgical
implant into the body,or (b) support or sustain life,
and (c) whose failure to perform when properly
used in accordance with instructions for use provided
in labeling, can be reasonably expected to result in a
significant injury of the user.
2. A critical component in any component of a life support
device or system whose failure to perform can be
reasonably expected to cause the failure of the life
support device or system, or to affect its safety or
effectiveness.
PDF 
ZIP