6-23
Dialight Corporation • 1501 Route 34 South • Farmingdale, NJ 07727 • TEL: (732) 919-3119 • FAX: (732) 751-5778 •www.dialight.com
6
Features
Multiple CBIs form horizontal LED arrays on 7.24mm
(0.285”) center-lines.
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
High Contrast, UL 94 V-0 rated, black housing
Oxygen index: 29%(all sizes)
Custom Devices
Contact factory for other LED types or alternate heights
Tolerance note: As noted, otherwise:
LED Protrusion: ±0.04 mm [±0.016]
CBI Housing: ±0.02mm[±0.008]
5.00
[.197]
.508
[.020] 3.68
[.145]
A
7.14
[.281]
2.54
[.100]
RECOMMENDED
P.C. BOARD LAYOUT
1.09
[.043]
2.54
[.100]
HOUSING
TYPE
-050
-070
-100
DIM. A
12.7 [.500]
17.8 [.700]
25.4 [1.00]
CATHODE
5mm
LED CBI
®
Circuit Board Indicator
Vertical, Various Heights
561-xx0x-xxx
561-xx0x-xxx
Housing Height
DIM. A [+.010-.031]
050 = 12.7 [.500]
060 = 15.2 [.600]
070 = 17.8 [.700]
080 = 20.3 [.800]
090 = 22.9 [.900]
100 = 25.4 [1.00]
LED Type
Series PART NUMBER ORDERING CODE
Dimensions in mm [inches]
PART NO. COLOR
INTEGRAL RESISTOR, 5 VOLTS
561-0104-xxx Red
LOW CURRENT
561-1101-xxx Red
561-1201-xxx Yellow
561-1301-xxx Green
HIGH EFFICIENCY
561-0901-xxx Orange
561-2101-xxx Red
561-2201-xxx Green
561-2301-xxx Yellow
HIGH EFFICIENCY, TINTED,
NON DIFFUSED
561-2401-xxx Red
561-2501-xxx Green
561-2601-xxx Yellow
SUPER BRIGHT, DIFFUSED
561-5101-xxx Red
561-5201-xxx Green
561-5301-xxx Yellow
SUPER BRIGHT, WATER CLEAR
(Non-Tinted, Non-Diffused)
561-5501-xxx Red
561-5601-xxx Green
561-5701-xxx Yellow
BI-COLOR
561-3001-xxx Red/Green
561-3101-xxx Yellow/Green
NEW
NEW
6-24
Dialight Corporation • 1501 Route 34 South • Farmingdale, NJ 07727 • TEL: (732) 919-3119 • FAX: (732) 751-5778 •www.dialight.com
Peak I
V
V
F
Test Viewing LED
Part Number Color Wavelength nm mcd Volts Current (mA) Angle 2
ΘΘ½
Data sheet Page #
561-0901-xxx Orange 600 7 1.9 10 60° 521-9704 6-43
561-2101-xxx Red 635 7 2.2 10 60° 521-9246 6-43
561-2201-xxx Green 565 32 2* 10 50° 5HD-9270-2 6-49
561-2301-xxx Yellow 590 10 2.4* 10 70° 5HD-9271-2 6-49
Peak I
V
V
F
Test Viewing LED
Part Number Color Wavelength nm mcd Volts Current (mA) Angle 2
ΘΘ½
Data sheet Page #
561-2401-xxx Red 635 60 2.2 10 35° 521-9247 6-44
561-2501-xxx Green 565 70 2.3 10 24° 521-9251 6-44
561-2601-xxx Yellow 583 50 2.2 10 35° 521-9249 6-44
561-xx0x-xxx
Peak I
V
V
F
Test Viewing LED
Part Number Color Wavelength nm mcd Volts Current (mA) Angle 2
ΘΘ½
Data sheet Page #
561-1101-xxx Red 635 2 1.8 2 50° 521-9320 6-42
561-1201-xxx Yellow 583 1.8 1.9 2 50° 521-9321 6-42
561-1301-xxx Green 565 1.8 1.8 2 50° 521-9327 6-42
LOW CURRENT
HIGH EFFICIENCY
Peak I
V
V
F
Test Viewing LED
Part Number Color Wavelength nm mcd Volts Current (mA) Angle 2
ΘΘ½
Data sheet Page #
561-5101-xxx Red 650 34 2.1 20 50° 5SD-9441 6-53
561-5201-xxx Green 563 34 2.2 20 50° 5SD-9456 6-53
561-5301-xxx Yellow 585 34 2.2 20 50° 5SD-9455 6-53
SUPER BRIGHT, DIFFUSED
Peak I
V
Test Forward Viewing LED
Part Number Color Wavelength nm mcd Voltage Current (mA) Angle 2
ΘΘ½
Data sheet Page #
561-0104-xxx Red 635 8 5 10 60° 521-9183 6-41
INTEGRAL RESISTOR, 5 VOLTS
See page 6-55 and 6-56 for Reference Only LEDDrive Circuit Examples. See page 6-57 for Pin Out
Peak I
V
V
F
Test Viewing LED
Part Number Color Wavelength nm mcd Volts Current (mA) Angle 2
ΘΘ½
Data sheet Page #
561-5501-xxx Red 635 125 2.2 20 24° 521-9464 6-47
561-5601-xxx Green 565 120 2.3 20 24° 521-9465 6-47
561-5701-xxx Yellow 583 140 2.2 20 24° 521-9466 6-47
SUPER BRIGHT, WATER CLEAR (NON-TINTED, NON-DIFFUSED)
HIGH EFFICIENCY, TINTED, NON-DIFFUSED
Typical Operating Characteristics (TA=25°C)
See LED data sheet for additional information
* I
F
= 20mA
Peak I
V
V
F
Test Viewing LED
Part Number Color Wavelength nm mcd Volts Current (mA) Angle 2
ΘΘ½
Data sheet Page #
561-3001-xxx Red/Green 660/565 90/40 1.8/2.1 20 60° 521-9651 6-46
561-3101-xxx Yellow/Green 585/565 8.7/8.7 2.1/2.1 20 50° 521-9724 6-46
BI-COLOR
Red Yellow
ABSOLUTE MAXIMUM RATINGS (TA=25°C) -9183 -9284
Forward Voltage (V) 7.5 7.5
Derating (V/°C) From 50°C .071 .071
Operating Temperature (°C) -40/+85 -40/+85
Storage Temperature (°C) -55/+100 -55/+100
Soldering Temperature 260°C, 5 seconds, 1.6 mm from case
6-41
Dialight Corporation • 1501 Route 34 South • Farmingdale, NJ 07727 • TEL: (732) 919-3119 • FAX: (732) 751-5778 •www.dialight.com
6
5mm Discrete LED
Integral Resistor, 5 Volts
Diffused
9.19 [.362]
8.43 [.332] .76
[.030]
25.1 [1.00]
MIN
1.27
[.050]
.64
[.025]
5.84
[.230]
2.54
[.100
]
CATHODE
1.0
[.040]
MAX
1.0
[.040]
MAX
5.08 [.200]
4.57 [.180]
PART NO. LED COLOR
521-9183 Red
521-9284 Yellow
Dimensions in mm [inches]
MOUNTING CLIP: 515-0004
located on page 6-48
Red Yellow
OPERATING CHARACTERISTICS (TA=25°C) -9183 -9284
Luminous Intensity (mcd) Min. 2 2
VF= 5V Typical 8 8
Peak Wavelength (nm) Typical 635 583
λ Peak
Viewing Angle (2Θ ½) Typical 60° 60°
Forward Current (I) Typical 10 10
VF = 5V Max 15 15
Reverse Voltage (V), IR=100µA Min. 5 5
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
521-9183, -9284
6-42
Dialight Corporation • 1501 Route 34 South • Farmingdale, NJ 07727 • TEL: (732) 919-3119 • FAX: (732) 751-5778 •www.dialight.com
Red Yellow Green
ABSOLUTE MAXIMUM RATINGS (TA=25°C) -9320 -9321 -9327
Power Dssipation (mW) 27 36 24
Derating (mA/°C)
From 92°C
111
Forward Current (mA) 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
5mm Discrete LED
Low Current, 2mA
Diffused
521-9320, -9321, -9327
8.81 [.347] .76
[.030]
25.1 [1.00]
MIN
1.27
[.050]
4.83
[.190]
.46
[.018]
5.84
[.230]
2.54
[.100]
CATHODE
1.0
[.040]
MAX
1.0
[.040]
MAX
PART NO. COLOR
521-9320 Red
521-9321 Yellow
521-9327 Green
Red Yellow Green
OPERATING CHARACTERISTICS (TA=25°C) -9320 -9321 -9327
Luminous Intensity (mcd) Min. 1.2 1.2 1.2
IF=2mA Typical 2 1.8 1.8
Peak Wavelength (nm) Typical 635 583 565
λ Peak
Viewing Angle (2Θ ½) Typical 50° 50° 50°
Forward Voltage (V) Typical 1.8 1.9 1.8
IF=2mA Max. 2.2 2.7 2.2
Reverse Voltage (V), IR=50µA Min. 5 5 5
Dimensions in mm [inches] MOUNTING CLIP: 515-0004
located on page 6-48
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
6-43
Dialight Corporation • 1501 Route 34 South • Farmingdale, NJ 07727 • TEL: (732) 919-3119 • FAX: (732) 751-5778 •www.dialight.com
6
5mm Discrete LED
High Efficiency
Diffused
521-9246, -9248, -9250, -9704
8.81 [.347] .76
[.030]
25.1 [1.00]
MIN
1.27
[.050]
4.83
[.190]
.46
[.018]
5.84
[.230]
2.54
[.100]
CATHODE
1.0
[.040]
MAX
PART NO. COLOR
521-9246 Red
521-9248 Yellow
521-9250 Green
521-9704 Orange
Red Yellow Green Orange
ABSOLUTE MAXIMUM RATINGS (TA=25°C) -9246 -9248 -9250 -9704
Power Dissipation (mW) 135 85 135 135
Derating (mW/°C)
From 25°C 1. (mA/°C) From 50°C
1.8 1.6 1.8 .51
Forward Current (mA) 25 20 25 30
Peak Current (mA) 500 500 500 500
Pulse width = 10µs
Operating Temperature (°C) -55/+100 -55/+100 -20/+100 -55/+100
Storage Temperature (°C) -55/+100 -55/+100 -55/+100 -55/+100
Soldering Temperature 260°C, 5 seconds, 1.6 mm from case
Red Yellow Green Orange
OPERATING CHARACTERISTICS (TA=25°C) -9246 -9248 -9250 -9704
Luminous Intensity (mcd) Min. 4 4 4.2 4
IF=10mA Typical 7 8 5.2 7
Peak Wavelength (nm) Typical 635 583 565 600
λ Peak
Viewing Angle (2Θ ½) Typical 60° 60° 60° 60°
Forward Voltage (V) Typical 2.2 2.2 2.3 1.9
IF=10mA Max. 3 3 3 2.4
Reverse Voltage (V), IR=100µA Min. 5 5 5 5
Dimensions in mm [inches] MOUNTING CLIP: 515-0004
located on page 6-48
Solder Adherence per MIL-STD-202E, Method 208C
Θ
is the off axis angle at which the luminous intensity is half the axial luminous intensity
6-46
Dialight Corporation • 1501 Route 34 South • Farmingdale, NJ 07727 • TEL: (732) 919-3119 • FAX: (732) 751-5778 •www.dialight.com
5mm Discrete LED
Bi-Color
Non-Tinted, Diffused
521-9651, -9724
5.00
[.197]
8.64[.340]
22.1 [.87]
MIN.
0.51
[.020]
CATHODE
GREEN,
RED/GREEN
BI-COLOR
521-9651
CATHODE
YELLOW,
YELLOW/GREEN
BI-COLOR
521-9724
1.00
[.04]
5.59
[.220]
2.54
[.100]
1.50
[.059]
MAX
PART NO. LED COLOR
521-9651 Red/Green
521-9724 Yellow/Green
Red/Green Yellow/Green
ABSOLUTE MAXIMUM RATINGS (TA=25°C) -9651 -9724
Power Dissipation (mW) 100/100 60/100
Forward Current (mA) 40/30 20/30
Derating (mA/°C)
From 50°C
.5/.4 .25/.40
Peak Current (mA) 200/120 80/120
Pulse width = 100 µs
Operating Temperature (°C) -55/+100 -55/+100
Storage Temperature (°C) -55/+100 -55/+100
Soldering Temperature 260°C, 5 seconds, 1.6 mm from case
Red/Green Yellow/Green
OPERATING CHARACTERISTICS (TA=25°C) -9651 -9724
Luminous Intensity (mcd) Min. 29/12.6 2.5/2.5
IF=20mA Typical 90/40 8.7/8.7
Peak Wavelength (nm) Typical 660/565 585/565
λ Peak
Viewing Angle (2Θ ½) Typical 60° 50°
Forward Voltage (V) Typical 1.8/2.1 2.1/2.1
IF=20mA Max. 2.4/2.8 2.8/2.8
Dimensions in mm [inches]
MOUNTING CLIP: 515-0005
located on page 6-48
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
6-44
Dialight Corporation • 1501 Route 34 South • Farmingdale, NJ 07727 • TEL: (732) 919-3119 • FAX: (732) 751-5778 •www.dialight.com
5mm Discrete LED
High Brightness
Non-Diffused
521-9247, -9249, -9251
8.81 [.347] .76
[.030]
25.1 [1.00]
MIN
1.27
[.050]
4.83
[.190]
.46
[.018]
5.84
[.230]
2.54
[.100]
CATHODE
1.0
[.040]
MAX
PART NO. COLOR
521-9247 Red
521-9249 Yellow
521-9251 Green
Red Yellow Green
ABSOLUTE MAXIMUM RATINGS (TA=25°C) -9247 -9249 -9251
Power Dissipation (mW) 135 85 135
Derating (mW/°C)
From 25°C 1. From 50°C
1.8 1.611.8
Forward Current (mA) 30 20 30
Peak Current (mA) 500 500 500
Pulse width = 10µs
Operating Temperature (°C) -55/+100 -55/+100 -20/+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) -9247 -9249 -9251
Luminous Intensity (mcd) Min. 25 25 25
IF=10mA Typical 60 50 70
Peak Wavelength (nm) Typical 635 583 565
λ Peak
Viewing Angle (2Θ ½) Typical 35° 35° 24°
Forward Voltage (V) Typical 2.2 2.2 2.3
IF=10mA Max. 3 3 3
Reverse Voltage (V), IR=100µA Min. 5 5 5
Dimensions in mm [inches] MOUNTING CLIP: 515-0004
located on page 6-48
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
6-47
Dialight Corporation • 1501 Route 34 South • Farmingdale, NJ 07727 • TEL: (732) 919-3119 • FAX: (732) 751-5778 •www.dialight.com
6
5mm Discrete LED
Super Bright, Water Clear
Non-Tinted, Non-Diffused
521-9464,-9465,-9466
8.81 [.347]
4.83
[.190]
25.35 [.998]
MIN
1.27
[.050]
TYP
2.54
[.100]
.46
[.018] SQ.
CATHODE
5.84
[.230]
1.0
[.040]
MAX
PART NO. COLOR
521-9464 Red
521-9465 Green
521-9466 Yellow
Red Green Yellow
ABSOLUTE MAXIMUM RATINGS (TA=25°C) -9464 -9465 -9466
Power Dissipation (mW) 135 135 85
Derating (mW/°C)
From 25°C 1. From 50 °C
1.8 1.8 1.61
Forward Current (mA) 30 30 20
Peak Current (mA) 500 500 500
Pulse width = 10 µs
Operating Temperature (°C) -55/+100 -20/+100 -55/+100
Storage Temperature (°C) -55/+100 -55/+100 -55/+100
Soldering Temperature 260 °C, 5 seconds, 1.6 mm from case
Red Green Yellow
OPERATING CHARACTERISTICS (TA=25°C) -9464 -9465 -9466
Luminous Intensity (mcd) Min. 80 80 80
IF=20mA Typical 125 120 140
Peak Wavelength (nm) Typical 635 565 583
λ Peak
Viewing Angle (2Θ ½) Typical 24° 24° 24°
Forward Voltage (V) Typical 2.2 2.3 2.2
IF=20mA Max. 3 3 3
Reverse Voltage (V), IR=100µA Min. 5 5 5
Dimensions in mm [inches] MOUNTING CLIP: 515-0004
located on page 6-48
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
6-49
Dialight Corporation • 1501 Route 34 South • Farmingdale, NJ 07727 • TEL: (732) 919-3119 • FAX: (732) 751-5778 •www.dialight.com
6
OPERATING CHARACTERISTICS Red Green Green Yellow Yellow
(TA=25°C) -9269 -9270-2 -9270-5 -9271-2 -9271-5
Luminous Intensity (mcd) Min. 2.2 4 3.6 4 2.2
IF=10mA Typical 7 32 10 10 6.3
Peak Wavelength (nm) Typical 650 565 563 590 585
λ Peak
Viewing Angle (2Θ ½) Typical 50° 50° 65° 70° 50°
Forward Voltage (V) Typical 2.2 2* 2.1 2.4* 2.1
IF=10mA, *IF=20mA Max. 2.5 2.6* 3 3* 3
Reverse Voltage (V), Min. 5 5* 3* 5* 3
IR=100µA *IR=10µA
ABSOLUTE MAXIMUM RATINGS Red Green Green Yellow Yellow
(TA=25°C) -9269 -9270-2 -9270-5 -9271-2 -9271-5
Power Dissipation (mW) 60 140 75 200 60
Derating (mW/°C)
From 50°C 1. From 40°C
.661.661.661
Forward Current (mA) 20 40 25 60 20
Derating (mA/°C)
From 25°C
.6 .8
Peak Current (mA) 60 500 60 1000 60
Pulse width = 1µs
Operating Temperature (°C) -25/+85 -55/+100 -25/+85 -55/+100 -25/+85
Storage Temperature (°C) -30/+100 -55/+100 -30/+100 -55/+100 -30/+100
Soldering Temperature 260°C, 5 seconds, 1.6 mm from case
5mm
High Efficiency
Diffused
5HD-xxxx
TYPE COLOR
*5HD-9269 Red
*5HD-9270-2 Green
*5HD-9270-5 Green
*5HD-9271-2 Yellow
*5HD-9271-5 Yellow
* NOT A VALID PART
NUMBER. THIS SHEET IS FOR
REFERENCE ONLY.
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
6-51
Dialight Corporation • 1501 Route 34 South • Farmingdale, NJ 07727 • TEL: (732) 919-3119 • FAX: (732) 751-5778 •www.dialight.com
6
5mm
General Purpose
Diffused
5ND-xxxx
TYPE COLOR
*5ND-9672 Red
*5ND-9673 Yellow
*5ND-9674 Green
Red Yellow Green
ABSOLUTE MAXIMUM RATINGS (TA=25°C) -9672 -9673 -9674
Power Dissipation (mW) 80 60 100
Forward Current (mA) 40 20 30
Derating (mA/°C)
From 25°C
.5 .25 .4
Peak Current (mA) 200 80 120
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) -9672 -9673 -9674
Luminous Intensity (mcd) Min. 3.5 3.5 3.5
IF=20mA Typical 12.3 12.3 12.3
Peak Wavelength (nm) Typical 635 585 565
λ Peak
Viewing Angle (2Θ ½) Typical 60° 60° 60°
Forward Voltage (V) Typical 2 2.1 2.1
IF=20mA Max. 2.8 2.8 2.8
Reverse Voltage (V), IR=100µA Min. 5 5 5
* NOT A VALID PART
NUMBER. THIS SHEET IS FOR
REFERENCE ONLY.
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
6-52
Dialight Corporation • 1501 Route 34 South • Farmingdale, NJ 07727 • TEL: (732) 919-3119 • FAX: (732) 751-5778 •www.dialight.com
ABSOLUTE MAXIMUM RATINGS Green 12V Yellow 12V Red 5V Green 5V
(TA=25°C) -9378 -9379 -9422 -9423
Forward Voltage (V) 15* 15 7.5 7.5
*(TA=70°C)
Operating Temperature (°C) -20/+85 -40/+85 -40/+85 -20/+85
S torage Temperature (°C) -55/+100 -55/+100 -55/+100 -55/+100
Soldering Temperature 260°C, 5 seconds, 1.6 mm from case
OPERATING CHARACTERISTICS Green 12V Yellow 12V Red 5V Green 5V
(TA=25°C) -9378 -9379 -9422 -9423
Luminous Intensity (mcd) Min. 1.5* 1.5* 1 2
VF=5V, *VF=12V Typical 4* 4* 2 8
Peak W avelength (nm) T ypical 565 583 655 565
λ Peak
Viewing Angle (2Θ ½) Typical 60° 60° 60° 60°
Forward Current (mA), VF=5V Typical 13* 13* 13 12
*VF=12V Max. 20* 20* 20 15
Reverse Voltage (V), IR=100µA Typical 5 5 5 5
5mm
Integral Resistor
Diffused
5RD-xxxx
TYPE COLOR VOLTS
*5RD-9378 Green 12
*5RD-9379 Yellow 12
*5RD-9422 Red 5
*5RD-9423 Green 5
* NOT A VALID PART
NUMBER. THIS SHEET IS FOR
REFERENCE ONLY.
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
6-53
Dialight Corporation • 1501 Route 34 South • Farmingdale, NJ 07727 • TEL: (732) 919-3119 • FAX: (732) 751-5778 •www.dialight.com
6
5mm
Super Bright LED
Diffused
5SD-xxxx
TYPE COLOR
*5SD-9441 Red
*5SD-9455 Yellow
*5SD-9456 Green
Red Yellow Green
ABSOLUTE MAXIMUM RATINGS (TA=25°C) -9441 -9455 -9456
Power Dissipation (mW) 75 75 75
Forward Current (mA) 25 25 25
Derating (mA/°C)
From 50°C *
(mW/°C)
From 40°C
.66* .5 .5
Peak Current (mA) 60 60 60
Pulse width = 1 ms
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) -9441 -9455 -9456
Luminous Intensity (mcd) Min. 17 17 17
IF=20mA Typical 34 34 34
Peak Wavelength (nm) Typical 650 585 563
λ Peak
Viewing Angle (2Θ ½) Typical 50° 50° 50°
Forward Voltage (V) Typical 2.1 2.2 2.2
IF=20mA Max. 2.55 3 3
Reverse Voltage (V), IR=10µA Min. 3 3 3
* NOT A VALID PART
NUMBER. THIS SHEET IS FOR
REFERENCE ONLY.
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