
4-17
Dialight Corporation • 1501 Route 34 South • Farmingdale, NJ 07727 • TEL: (732) 919-31 19 • FAX: (732) 751-5778 •www.dialight.com
4
3mm
LED CBI
®
Circuit Board Indicator
.200” High LED Centerline
551-xx07
PART NO. COLOR
HIGH EFFICIENCY
551-0207 Green
551-0307 Yellow
551-0407 Red
551-0807 Blue
³
551-2507 Orange
INTEGRAL RESISTOR, 5 VOLTS
551-0507 Red
551-0607 Green
551-0707 Yellow
LOW CURRENT
551-1107 Red
551-1207 Yellow
551-1307 Green
BI-COLOR
551-3007 Red/Green
551-3107 Yellow/Green
Features
• Multiple CBIs form horizontal LED arrays on 4.45mm
(0.175”) center-lines
• High Contrast, UL 94 V-0 rated, black housing
• Oxygen index: 31.5%
• Polymer content: PBT, 0.188 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
• Compatible with:
551-xx07-004 QuadBlock
Tolerance note: As noted, otherwise:
• LED Protrusion: ±0.04 mm [±0.016]
• CBI Housing: ±0.02mm[±0.008]
Dimensions in mm [inches]
NEW
Standard Polarity shown in drawing: Cathode right
To order any of the 551-xx07 part numbers with
Reverse Polarity (Cathode Left), please add -010 to
the part numbers shown above.
5 5 1
x x 0 7 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
– –
[.250]
4.4
[.175]
6.35
90°
.508
[.020
2.89
[.114]
[.100]
[.170]
7.11
[.280]
5.08
[.200]
3.68
[.145]
1.09
[.043]
2.54
[.100]
RECOMMENDED P.C. BOARD LAYOUT
.508
[.020]
CATHODE
Red/Yel Cathode for
Bi-color
2.54
[.100]
ATTENTION
OBSERVE PRECAUTIONS
FOR HANDLING
ELECTROSTATIC
SENSITIVE
DEVICES

4-18
Dialight Corporation • 1501 Route 34 South • Farmingdale, NJ 07727 • TEL: (732) 919-31 19 • FAX: (732) 751-5778 •www.dialight.com
551-xx07
Peak I
V
V
F
Test Viewing LED
Part Number Color Wavelength nm mcd Volts Current (mA) Angle 2
ΘΘ½Data sheet Page #
551-0207
Green 563 16 2.1 10 45° 521-9408 4-64
551-0307 Yellow 585 6.3 2.1 10 45° 521-9428 4-64
551-0407 Red 650 10 2 10 45° 521-9427 4-64
551-0807 Blue 428 12 3.5 10 70° 521-9831 4-57
551-2507 Orange 600 7 2.2 10 60° 521-9498 4-58
HIGH EFFICIENCY
Peak I
V
V
F
Test Viewing LED
Part Number Color Wavelength nm mcd Volts Current (mA) Angle 2
ΘΘ½Data sheet Page #
551-1107
Red 635 1.6 1.7 2 60° 521-9324 4-60
551-1207 Yellow 585 1.6 1.8 2 60° 521-9325 4-60
551-1307 Green 565 1.6 1.9 2 60° 521-9326 4-60
LOW CURRENT
Peak I
V
Test Forward Viewing LED
Part Number Color Wavelength nm mcd Voltage Current (mA) Angle 2
ΘΘ½Data sheet Page #
551-0507 Red 635 29 5 10 60° 521-9215 4-59
551-0607 Green 565 19 5 10 60° 521-9323 4-59
551-0707 Yellow 585 12.6 5 10 60° 521-9322 4-59
INTEGRAL RESISTOR, 5 VOLTS
Peak I
V
V
F
Test Viewing LED
Part Number Color Wavelength nm mcd Volts Current (mA) Angle 2
ΘΘ½Data sheet Page #
551-3007 Red/Green 635/565 4.7/10 2/2.1 10 50° 521-9459 4-63
551-3107 Yellow/Green 585/565 4.3/6.3 2.1*/2.1* 10 80° 521-9478 4-62
BI-COLOR
Typical Operating Characteristics
(T
A
=25°C)
See LED data sheet for additional information
See page 4-70 and 4-71 for Reference Only LED Drive Circuit Examples. See page 4-72 for Pin Out
* I
F
= 20mA

4-57
Dialight Corporation • 1501 Route 34 South • Farmingdale, NJ 07727 • TEL: (732) 919-31 19 • FAX: (732) 751-5778 •www.dialight.com
4
3mm Discrete LED
Tinted, Diffused
521-9831
PART NO. COLOR
521-9831 Blue
³
Blue
ABSOLUTE MAXIMUM RATINGS (TA=25°C)
-9831
Power Dissipation (mW) 100
Forward Current (mA) 20
Derating (mA/°C)
From 55°C
.44
Operating Temperature (°C) -40/+100
Storage Temperature (°C) -40/+100
Soldering Temperature 260°C, 5 seconds, 1.6 mm from case
Blue
OPERATING CHARACTERISTICS (TA=25°C)
-9831
Luminous Intensity (mcd) Min. 6.3
IF=10mA Typical 12
Peak Wavelength (nm) Typical 428
λ Peak
Viewing Angle (2
Θ½) Typical 70°
Forward Voltage (V) Typical 3.5
IF=10mA Max. 4.2
Reverse Voltage (V) IR=10µA Min. 3
Dimensions in mm [inches]
Θ
is the off axis angle at which the luminous intensity is half the axial luminous intensity
Solder Adherence per MIL-STD-202E, Method 208C
MOUNTING CLIP:
515-0006
located on page 4-65
0.7 [.028]
1.8 [.071]
1.2 [.047]
0.4 [.016]
4.8 [.189]
4.4 [.173]
2.9 [.114]
ø
2.7 [.106]
3.7 [.145]
3.5 [.138]
6.1 [.240]
5.7 [.224]
4.8 [.189]
4.4 [.173]
CATHODE
29 [1.142]
27 [1.063]
ATTENTION
OBSERVE PRECAUTIONS
FOR HANDLING
ELECTROSTATIC
SENSITIVE
DEVICES
0.6 [.024]
0.4 [.016]
2.54 [.100]
3.4 [.134]
3.1 [.122]
0.6 [.024]
0.4 [.016]

4-58
Dialight Corporation • 1501 Route 34 South • Farmingdale, NJ 07727 • TEL: (732) 919-31 19 • FAX: (732) 751-5778 •www.dialight.com
Green Yellow Red Orange Red
ABSOLUTE MAXIMUM RATINGS (TA=25°C)
-9210 -9211 -9216 -9498 -9636
Power Dissipation (mW) 100 60 100 135 100
Forward Current (mA) 30 20 30 25 40
Derating (mA/°C)
From 50°C
1
from 25°C .4 .25 .4 .5 .5
1
Operating Temperature (°C) -55/+100 -55/+100 -55/+100 -55/+100 -55/+100
Storage Temperature (°C) -55/+100 -55/+100 -55/+100 -55/+100 -55/+100
Soldering Temperature 260°C, 5 seconds, 1.6 mm from body
3mm Discrete LED
High Efficiency
Diffused
521-9210, -9211, -9216, -9498, -9636
PART NO. COLOR
521-9210 Green
521-9211 Yellow
521-9216 Red
521-9498 Orange
521-9636 Red
Green Yellow Red Orange Red
OPERATING CHARACTERISTICS (TA=25°C)
-9210 -9211 -9216 -9498 -9636
Luminous Intensity (mcd) Min. 4.7 7.4 7.4 3.4 8.7
1
IF=10mA1 IF=20mA Typical 12.6 10 10 7 48
1
Peak Wavelength (nm) Typical 565 585 635 600 660
λ Peak
Viewing Angle (2Θ ½) Typical 60° 60° 60° 60° 60°
Forward Voltage (V) Typical 2.1
1
2.1
1
2
1
2.2 1.8
1
IF=10mA1IF=20mA Max. 2.8
1
2.8
1
2.8
1
3 2.4
1
Reverse Voltage (V), IR=100µA Max. 5 5 5 5 4
Dimensions in mm [inches]
Θ
is the off axis angle at which the luminous intensity is half the axial luminous intensity
Solder Adherence per MIL-STD-202E, Method 208C
MOUNTING CLIP:
515-0006
located on page 4-65
short lead cathode all colors except 521-9636 Red.
For 521-9636 Red, short lead is anode.
NEW
[.016]
3.30
[.13]
2.54
[.100]
.40
4.45
[.175]
1.02
[.040]
3.00
[.118]
1.50
[.059]
MAX
6.00
[.236]
25.4
[1.0] MIN
.45
[.016 ]
1.02
[.040]
MIN

4-59
Dialight Corporation • 1501 Route 34 South • Farmingdale, NJ 07727 • TEL: (732) 919-31 19 • FAX: (732) 751-5778 •www.dialight.com
4
3mm Discrete LED
Integral Resistor, 5V
Diffused
521-9215, -9322, -9323
PART NO. COLOR
521-9215 Red
521-9322 Yellow
521-9323 Green
Red Yellow Green
ABSOLUTE MAXIMUM RATINGS (TA=25°C)
-9215 -9322 -9323
Forward Voltage (V) 7.5 7.5 7.5
Derating (V/°C)
From 50°C
.086 .086 .071
Operating Temperature (°C) -40/+85 -40/+85 -20/+85
Storage Temperature (°C) -55/+100 -55/+100 -55/+100
Soldering Temperature 260°C, 5 seconds, 1.6 mm from case
Red Yellow Green
OPERATING CHARACTERISTICS (TA=25°C)
-9215 -9322 -9323
Luminous Intensity (mcd) Min. 8.7 3.7 5.6
VF=5V Typical 29 12.6 19
Peak Wavelength (nm) Typical 635 585 565
λ Peak
Viewing Angle (2
Θ½) Typical 60° 60° 60°
Forward Current (mA) Typical 10 10 10
VF=5V Max. 20 20 20
Reverse Voltage (V), IR=100µA Min. 5 5 5
Dimensions in mm [inches]
Θ
is the off axis angle at which the luminous intensity is half the axial luminous intensity
Solder Adherence per MIL-STD-202E, Method 208C
MOUNTING CLIP:
515-0006
located on page 4-65
4.40 [.175]
1.01
[.040]
2.90
3.20
[.115]
[.125]
5.97 [.235] 2.41 [.950] MAX
1.0
[.040]
.457
[.018]
SQ.
1.27
[.050]
2.54
[.100]
CATHODE

4-60
Dialight Corporation • 1501 Route 34 South • Farmingdale, NJ 07727 • TEL: (732) 919-31 19 • FAX: (732) 751-5778 •www.dialight.com
3mm Discrete LED
Low Current
Diffused
521-9324, -9325, -9326
PART NO. COLOR
521-9324 Red
521-9325 Yellow
521-9326 Green
Red Yellow Green
ABSOLUTE MAXIMUM RATINGS (TA=25°C)
-9324 -9325 -9326
Power Dissipation (mW) 20 20 20
Forward Current (mA) 7 7 7
Derating (mA/°C)
From 90°C
.7 .7 .7
Peak Current (mA) 500 500 500
Pulse width = 10 µs
Operating Temperature (°C) -55/+100 -55/+100 -55/+100
Storage Temperature (°C) -55/+100 -55/+100 -55/+100
Soldering Temperature 260°C, 5 seconds, 1.6 mm from case
Red Yellow Green
OPERATING CHARACTERISTICS (TA=25°C)
-9324 -9325 -9326
Luminous Intensity (mcd) Min. 1 1 1
IF=2mA Typical 1.6 1.6 1.6
Peak Wavelength (nm) Typical 635 585 565
λ Peak
Viewing Angle (2
Θ
½
) Typical 60° 60° 60°
Forward Voltage (V) Typical 1.7 1.8 1.9
IF=2mA Max. 2.2 2.7 2.2
Reverse Voltage (V), IR=50µA Min. 5 5 5
Dimensions in mm [inches]
Θ
is the off axis angle at which the luminous intensity is half the axial luminous intensity
Solder Adherence per MIL-STD-202E, Method 208C
MOUNTING CLIP:
515-0006
located on page 4-65
[.175]
1.01
[.040]
3.3
[.130]
5.97
[.235]
1.0
[.040]
26.67
[1.05]
MIN.
[.016]
1.00
[.040]
.40
.40
[.016]
2.54
[.100]
CATHODE

4-62
Dialight Corporation • 1501 Route 34 South • Farmingdale, NJ 07727 • TEL: (732) 919-31 19 • FAX: (732) 751-5778 •www.dialight.com
3mm Discrete LED
Bi-Color
Non-Tinted, Diffused
521-9478, -9628, -9768
PART NO. COLOR
521-9478 Yellow/Green
521-9628 Red/Green
521-9768 Red/Yellow
Yellow/Green Red/Green Red/Yellow
ABSOLUTE MAXIMUM RATINGS (TA=25°C)
-9478 -9628 -9768
Power Dissipation (mW) 60/100 140/100 100/60
Forward Current (mA) 20/30 40/30 30/20
Derating (mA/°C)
From 25°C 1From 50°C
.251/.40
1
.5/.4 .41/.25
1
Peak Current (mA) 80/120 200/120 120/80
Pulse width = 10µs
Operating Temperature (°C) -55/+100 -55/+100 -55/+100
Storage Temperature (°C) -55/+100 -55/+100 -55/+100
Soldering Temperature 260°C, 5 seconds, 1.66 mm from case
Yellow/Green Red/Green Red/Yellow
OPERATING CHARACTERISTICS (TA=25°C)
-9478 -9628 -9768
Luminous Intensity (mcd) Min. 2.5/2.5 3.7*/1.1* 1.7*/1.7*
IF=10mA * IF=20mA Typical 4.3/6.3 12.6*/3.7* 5.6*/5.6*
Peak Wavelength (nm) Typical 585/565 660/565 630/585
λ Peak
Viewing Angle (2
Θ
½
) Typical 80° 200° 80°
Forward Voltage (V) Typical 2.1/2.1 1.8/2.1 2/2.1
IF=20mA Max. 2.8/2.8 2.4/2.8 2.8/2.8
Reverse Voltage (V) IR=100ua Min. 5 5 5
Dimensions in mm [inches]
Θ
is the off axis angle at which the luminous intensity is half the axial luminous intensity
Solder Adherence per MIL-STD-202E, Method 208C
MOUNTING CLIP:
515-0006
located on page 4-65
25.40
[1.00]
MIN
RED CATHODE 521-9768
YELLOW CATHODE 521-9478
GREEN CATHODE 521-9628
3.00
[.118]
1.02
[.040]
4.45
[.175]
5.20 ±.5
[.205 ±.02]
NOTE:
MENISCUS MAY EXTEND 1.0MM [.040]
DOWN FROM HOUSING
2.54
.50
[.020]
TYP
[.100]
NOM
3.20
[.126]
MAX
2.54
[.100]

4-63
Dialight Corporation • 1501 Route 34 South • Farmingdale, NJ 07727 • TEL: (732) 919-31 19 • FAX: (732) 751-5778 •www.dialight.com
4
3mm Discrete LED
Bi-Color
Non-Tinted, Diffused
521-9459
PART NO. COLOR
521-9459 Red/Green
Red/Green
ABSOLUTE MAXIMUM RATINGS (TA=25°C)
-9459
Power Dissipation (mW) 140
Forward Current (mA) 45
Derating (mA/°C)
From 25°C
.6
Peak Current (mA) 1000
Pulse width = 10µs
Operating Temperature (°C) -55/+100
Storage Temperature (°C) -55/+100
Soldering Temperature 260°C, 5 seconds, 1.6 mm from case
Red/Green
OPERATING CHARACTERISTICS (TA=25°C)
-9459
Luminous Intensity (mcd) Min. 2.5/3.7
IF=10mA Typical 4.7/10
Peak Wavelength (nm) Typical 635/565
λ Peak
Viewing Angle (2
Θ½) Typical 50°
Forward Voltage (V) Typical 2/2.1
IF=10mA Max. 2.8/2.8
Dimensions in mm [inches]
Θ
is the off axis angle at which the luminous intensity is half the axial luminous intensity
Solder Adherence per MIL-STD-202E, Method 208C
MOUNTING CLIP:
515-0006
located on page 4-65
4.59 [.181]
4.0
[.158]
3.00
[.118]
6.10 [.240]
1.0
[.040]
.50
[.020] SQ.
NOM.
26.92 [1.06] MIN
1.80
[.071]
MAX
3.40
[.134]
MAX
CATHODE
GREEN
2.54
[.100]

4-64
Dialight Corporation • 1501 Route 34 South • Farmingdale, NJ 07727 • TEL: (732) 919-31 19 • FAX: (732) 751-5778 •www.dialight.com
3mm Discrete LED
High Efficiency
Diffused
521-94xx
TYPE COLOR
521-9408 Green
521-9427 Red
521-9428 Yellow
Green Red Yellow
ABSOLUTE MAXIMUM RATINGS (TA=25°C) -9408 -9427 -9428
Power Dissipation (mW) 75 60 60
Forward Current (mA) 25 20 20
Derating (mA/°C)
From 50°C
.5 .5 .5
Peak Current (mA) 60 60 60
Operating Temperature (°C) -25/+85 -25/+85 -25/+85
Storage Temperature (°C) -30/+100 -30/+100 -30/+100
Soldering Temperature 260°C, 5 seconds, 1.6 mm from case
Green Red Yellow
OPERATING CHARACTERISTICS (TA=25°C) -9408 -9427 -9428
Luminous Intensity (mcd) Min. 5.6 3.6 2.2
IF=10mA Typical 16 10 6.3
Peak Wavelength (nm) Typical 563 650 585
λ Peak
Viewing Angle (2
Θ
½
) Typical 45° 45° 45°
Forward Voltage (V) Typical 2.1 2 2.1
IF=10mA Max. 3 3 3
Reverse Voltage (V), IR=10µA Min. 3 3 3
Θ
is the off axis angle at which the luminous intensity is half the axial luminous intensity
Solder Adherence per MIL-STD-202E, Method 208C
Dimensions in mm [inches]
MOUNTING CLIP:
515-0006
located on page 4-65
4.70 ±.20
[.185 ±.008]
3.09 ±.20
[.122 ±.008]
1.0
[.040]
6.10 ±.38
[.240 ±.015]
.79 ±.20
[.031 ±.008]
1.30 ±.25
[.051 ±.010]
24.00 ±.25
[.945 ±.010]
.50
[.020]
NOM
.50
[.020]
NOM
[.130]
MAX
2.49 ±.25
[.098 ±.010]
CATHODE (–