Datasheet
4-13
Dialight Corporation • 1501 Route 34 South • Farmingdale, NJ 07727 • TEL: (732) 919-3119 • FAX: (732) 751-5778 •www.dialight.com
4
3mm
LED CBI
®
Circuit Board Indicator
.250” High LED Centerline
551-xx03
2.54
[.100]
RECOMMENDED
P.C. BOARD
LAYOUT
4.6
[.180]
2.54
[.100]
8.6
[.340]
6.35
[.250]
1.0
[.040]
DIA
1.09
[.043]
2.54
[.100]
1.19
[.047]
D
CATHODE
.508
[.020]
2.89
[.114]
3.6
[.140]
4.6
[.180]
3.6
[.140]
MAX
.508 SQ
[.020]
3.68
[.145
]
1.8
[.070]
1.0
[.040]
Red/Yel Cathode for Bi-color
PART NO. COLOR
HIGH EFFICIENCY
551-0203 Green
551-0303 Yellow
551-0403 Red
551-2503 Orange
INTEGRAL RESISTOR, 5 VOLTS
551-0503 Red
551-0603 Green
551-0703 Yellow
LOW CURRENT
551-1103 Red
551-1203 Yellow
551-1303 Green
BI-COLOR
551-3003 Red/Green
551-3103 Yellow/Green
Features
• Multiple CBIs form horizontal LED arrays on 4.7mm
(0.185”) center-lines
• High Contrast, UL 94 V-0 rated, black housing
• Oxygen index: 31.5%
• Polymer content: PBT, 0.190 g
• Housing stand-offs facilitate PCB cleaning
• Locating pins provide stability during soldering
• 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]
Dimensions in mm [inches]
Standard Polarity shown in drawing: Cathode right
To order any of the 551-xx03 part numbers with
Reverse Polarity (Cathode Left), please add -010 to
the part numbers shown above.
5 5 1
x x 0 3 0 1 0
Reverse Polarity Option
1) Cathode Left
–010 Ordering Code Suffix required ONLY for Reverse Polarity Option
LED Type
PART NUMBER ORDERING CODE
Series
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