L12756_15 Datasheet, PDF (1/4 Pages) Hamamatsu Corporation – Infrared LED

Infrared LED
L12756
High power LED in a bullet-shaped package
The L12756 is an infrared LED encapsulated in a bullet-shaped package. It offers low cost, high output power, and high reli-
ability.
Features
Applications
High output power
Low cost
High reliability
Optical switches
Absolute maximum ratings (Ta=25 °C, unless otherwise noted)
Parameter
Symbol
Condition
Specification
Unit
Reverse voltage
VR
5
V
Forward current
IF
100
mA
Forward current decrease rate
Pulse forward current
Pulse forward current decrease rate
- Ta>25 °C
IFP *¹
- Ta>25 °C*¹
1.3
mA/°C
1
A
13
mA/°C
Power dissipation
P
180
mW
Operating temperature
Topr No condensation
-30 to +85
°C
Storage temperature
Tstg No condensation
-40 to +100
°C
Soldering conditions
-
230 °C or less, within 5 s,
at least 2 mm away from resin bottom surface
-
*1: Pulse width=10 μs, duty ratio=1%
Note: Exceeding the absolute maximum ratings even momentarily may cause a drop in product quality. Always be sure to use the
product within the absolute maximum ratings.
Electrical and optical characteristics (Ta=25 °C)
Parameter
Symbol
Condition
Min.
Typ.
Peak emission wavelength
λp IF=50 mA
840
870
Spectral half width
Δλ IF=50 mA
-
45
Forward voltage
VF IF=50 mA
-
1.5
Reverse current
IR VR=5 V
-
-
Radiant flux
ϕe IF=50 mA
18
23
Radiant intensity
Cutoff frequency*²
Ie IF=50 mA
35
55
fc IF=50 mA ± 1 mAp-p
25
40
*2: Frequency at which the optical output drops by 3 dB relative to the output at 100 kHz
Max.
900
-
1.7
5
-
-
-
Unit
nm
nm
V
μA
mW
mW/sr
MHz
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