3mm, Flat Top
®
LED CBI Circuit Board Indicator
In-line, 3 Leaded Bi-Color
551-3508
4.83 [.190]
3.80
[.150]
9.65 [.380]
PART NO.
551-3508
COLOR
Red/Green
7.11
[.280]
3.09
[.122]
3.81
[.150]
1.78
[.070]
GREEN
ANODE
2.54
[.100]
STABILIZER
PIN
.608
[.020]
COMMON
CATHODE
2.03
2.54
1.90 1.90
1.70 [.067]
[.080] [.100] [.075] [.075]
1.60
[.063]
1.09
[.043]
RECOMMENDED
P.C. BOARD
LAYOUT
2.54
[.100]
1.90 1.90
[.075] [.075]
Dimensions in mm [inches]
4
Features
• Common Cathode simplifies design, and provides amber as a
third color
• Locating pin provides stability during soldering
• Multiple CBIs form horizontal LED arrays on 4.2mm
(0.1650”) center-lines
• High Contrast, UL 94 V-0 rated, black housing
• Oxygen index: 31.5%
• Polymer content: PBT, 1.055 g
• Housing stand-offs facilitate PCB cleaning
• Solderability per MIL-STD-202F, method 208F
• LEDs are safe for direct viewing per IEC 825-1, EN-60825-1
Tolerance note: As noted, otherwise:
• LED Protrusion: ±0.04 mm [±0.016]
• CBI Housing: ±0.02mm[±0.008]
Typical Operating Characteristics
See LED data sheet for additional information
Seepage4-70 and4-71forReferenceOnlyLEDDriveCircuitExamples.Seepage4-72forPinOut
(T =25°C)
A
Peak
IV
VF
Test
LED
Part Number
551-3508
Color
Wavelength nm
mcd
Volts
Current (mA)
Data sheet
Page #
4-69
Red/Green
630/560
4/4
2/2.1
20
3TF-9484
Dialight Corporation • 1501 Route 34 South • Farmingdale, NJ 07727 • TEL: (732) 919-3119 • FAX: (732) 751-5778 •www.dialight.com
4-21