iC-SN85 BLCC SN1C
INFRARED LED
Rev B3, Page 1/6
FEATURES
o
o
o
o
o
Emission peak at 850 nm matched to silicon sensors
Optimized irradiance pattern
High temperature range -40 to 125 °C
High optical output power
Fast switching speed
APPLICATIONS
o
Illumination for high resolution
optical encoder
o
Modulated light barriers
PACKAGES
BLCC SN1C
PACKAGING INFORMATION (top view)
PIN CONFIGURATION SN1C
PIN FUNCTIONS
No. Name Function
1 A
2 C
Anode (+)
Cathode (-)
1
2
ABSOLUTE MAXIMUM RATINGS
Beyond these values damage may occur (Ta = 25°C, unless otherwise noted)
Item
No.
Symbol
Parameter
Forward current (DC)
Surge forward current
Reverse voltage
Power dissipation
temperature dependence see fig. 1
tp
≤
10 µs, 5 % duty cycle
Conditions
Min.
Max.
100
1000
5
150
mA
mA
V
mW
Unit
G001 IF
G002 IFSM
G003 VR
G004 P
All voltages are referenced to ground unless otherwise stated.
All currents flowing into the device pins are positive; all currents flowing out of the device pins are negative.
iC-SN85 BLCC SN1C
INFRARED LED
Rev B3, Page 2/6
THERMAL DATA
Item
No.
T01
T02
T03
Symbol
Ta
Ts
Tpk
Parameter
Operating Ambient Temperature Range
Storage Temperature Range
Soldering Temperature
tpk < 5 s, manual soldering;
Not suitable for reflow or vapor phase
soldering.
300
-40
125
Conditions
Min.
-40
-40
Typ.
Max.
125
125
260
°C
°C
°C
Unit
T04
T05
Rthja
Tj
Thermal resistance junction to ambient
Junction Temperature
K/W
°C
THERMAL DERATING CURVE
POWER DISSIPATION [mW]
150
100
50
0
25
50
75
100
125
AMBIENT TEMPERATURE [°C]
Figure 1: Maximum power dissipation with respect to temperature
ELECTRICAL CHARACTERISTICS
Tamb = 25°C, unless otherwise noted
Item
No.
001
002
003
004
005
006
007
008
Symbol
Parameter
Conditions
Min.
VF
VR
Φ
e
TK(Φ
e
)
λ
p
∆λ
2φ
tr, tf
Forward voltage
Reverse voltage
Radiant power
IF = 20 mA
IR = 5 µA
IF = 20 mA
5
3.4
8.1
-0.6
840
850
30
4
12
860
Typ.
1.4
Max.
1.8
V
V
mW
%/K
nm
nm
deg.
ns
Unit
Electrical and Optical Characteristics
Temperature coefficient of radiant IF = 20 mA, Tj = 25°C...125°C
power
Peak wavelength
Spectral half width
Divergence, SD2C package
Switching time
IF = 20 mA
IF = 20 mA
IF = 20 mA
IF = 100 mA, RL = 50
Ω
Remarks: Measured optical characteristcs may depend on conditions and equipment and thus differ in its given
typical values.
iC-SN85 BLCC SN1C
INFRARED LED
Rev B3, Page 5/6
SAFETY ADVICES
Depending on the mode of operation, these devices
emit highly concentrated non visible infrared light
which can be hazardous to the human eye.
Products which incorporate these devices have to fol-
low the safety precautions given in IEC 60825-1 and
IEC 62471.
DESIGN REVIEW: Notes on chip characteristics
iC-SN85 / iC-SN85 Z
No. Chip Design Function, Parameter/Code
1
iC-SN85
initial chip release
2
iC-SN85 Z
Maximum Ratings G002
Electrical Characteristics 003
Description and Application Hints
see datasheet revision A1
changed to 1.0 A
min. / typ. values increased to 3.4 / 8.1 mW
Table 4: Notes on chip functions regarding iC-SN85 / iC-SN85 Z
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