DIALIGHT 521-9445

5mm Discrete LED
Low Profile
Diffused
7.19 [.283]
1.0
[.040]
MAX
521-9173, -9174, -9445
.51
[.020]
SQ.
5.79
[.228]
4.81
[.189]
2.54
[.100]
23.88 [.940]
MIN
2.5
[.098]
NOM.
PART NO.
COLOR
521-9173
Green
521-9174
Yellow
521-9445
Red
CATHODE
MOUNTING CLIP: 515-0005
located on page 6-48
Dimensions in mm [inches]
Green
Yellow
Red
ABSOLUTE MAXIMUM RATINGS (TA=25°C)
-9173
-9174
-9445
Power Dissipation (mW)
From 50°C
Derating (mW/°C)
75
1.14
60
1.14
60
.661
1. From 40°C
Forward Current (mA)
25
20
20
Peak Current (mA)
60
60
60
Operating Temperature (°C)
-25/+85
-25/+85
-25/+85
Storage Temperature (°C)
-30/+100
-30/+100
-30/+100
Pulse width = 1 µs
Soldering Temperature
260°C, 5 seconds, 1.6 mm from case
Solder Adherence per MIL-STD-202E, Method 208C
Green
Yellow
Red
-9173
-9174
-9445
Min.
Typical
3.6
10
2.2
6.3
2.2
6.3
Peak Wavelength (nm)
λ Peak
Typical
565
585
650
Viewing Angle (2Θ ½)
Typical
70°
70°
50°
Forward Voltage (V)
IF=10mA
Typical
Max.
2.1
3
2.1
3
2
3
Reverse Voltage (V), IR=100µA
* IR=10µA
Min.
5
5
3*
OPERATING CHARACTERISTICS (TA=25°C)
Luminous Intensity (mcd)
IF=10mA
Θ  is the off axis angle at which the luminous intensity is half the axial luminous intensity
6-40
Dialight Corporation • 1501 Route 34 South • Farmingdale, NJ 07727 • TEL: (732) 919-3119 • FAX: (732) 751-5778 •www.dialight.com