Page 1
EC
   LED Lamp
Function Round LEDs
Chip  Vf(V)  Iv(mcd)
Type  Part No.  Material  Emitting
Color  If=mA  No.
302HD  GaP  Red  700   Color Diff.  2.1  2.8   10  0.5  1 
302HT  GaP  Red  700   Red Transparent  2.1  2.8  10  1  3  
302VD  GaAsP/GaP Red  660  Color Diff.  2.1  2.8  20  20  100  
302VCL  GaAsP/GaP Red  660  Water Clear  2.1  2.8  20  200  300  
302VT  GaAsP/GaP Red  660  Red Transparent  2.1  2.8  20  50  250  
302GD  GaP  Green  565  Color Diff.  2.1  2.8  10  5  12.5  1  
302GC  GaP  Green  565  Water Clear  2.1  2.8  10  20  70 
3mm Round
302GT  GaP  Green  565  Green Transparent  2.1  2.8  10  5  30  
302YD  GaAsP/GaP Yellow  590  Color Diff.  2  2.8  10  5  12.5  
302YC  GaAsP/GaP Yellow  590  Water Clear  2  2.8  10  10  50  
302YT  GaAsP/GaP Yellow  590  Yellow Transparent  2  2.8  10  5  20 
p(nm)  Lens Color  Typ. Max.  at   Min.  Max. Figure 
304HD  GaP  Red  700   Color Diff.  2.1  2.8   10  1.3  3.2 
304HT  GaP  Red  700   Red Transparent  2.1  2.8   10  2.5  10 
304VD  GaAsP/GaP Red  660  Color Diff.  2.1  2.8  20  20  120  
304VCL  GaAsP/GaP Red  660  Water Clear  2.1  2.8  20  200  350  
304VT  GaAsP/GaP Red  660  Red Transparent  2.1  2.8  20  50  280  
304GD  GaP  Green  565  Color Diff.  2.1  2.8  10  5  20  2  
304GC  GaP  Green  565  Water Clear  2.1  2.8  10  20  80  
304GT  GaP  Green  565  Green Transparent  2.1  2.8  10  5  30  
304YD  GaAsP/GaP Yellow  590  Color Diff.  2  2.8  10  5  20  
304YC  GaAsP/GaP Yellow  590  Water Clear  2  2.8  10  10  70  
304YT  GaAsP/GaP Yellow  590  Yellow Transparent  2  2.8  10  5  30 
Fig.1  Fig.2
2
Page 2
EC
   LED Lamp
Function Round LEDs
Chip  Vf(V)  Iv(mcd)
Type  Part No.  Material  Emitting
Color  If=mA  No.
502HD  GaP  Red  700   Color Diff.  2.1  2.8   10  0.5  1.1 
502HT  GaP  Red  700   Red Transparent  2.1  2.8   10  1  3.2 
502VD  GaAsP/GaP Red  660  Color Diff.  2.1  2.8  20  20  100  
502VCL  GaAsP/GaP Red  660  Water Clear  2.1  2.8  20  200  350  
502VT  GaAsP/GaP Red  660  Red Transparent  2.1  2.8  20  50  250  
502GD  GaP  Green  565  Color Diff.  2.1  2.8  10  5  12.5  3  
502GC  GaP  Green  565  Water Clear  2.1  2.8  10  20  80 
5mm Round
502GT  GaP  Green  565  Green Transparent  2.1  2.8  10  5  30  
502YD  GaAsP/GaP Yellow  590  Color Diff.  2  2.8  10  5  12.5  
502YC  GaAsP/GaP Yellow  590  Water Clear  2  2.8  10  10  60  
502YT  GaAsP/GaP Yellow  590  Yellow Transparent  2  2.8  10  5  20  
503HD  GaP  Red  700   Color Diff.  2.1  2.8   10  1.3  3.2 
503HT  GaP  Red  700   Red Transparent  2.1  2.8   10  2.5  10 
503VD  GaAsP/GaP Red  660  Color Diff.  2.1  2.8  20  20  120  
503VCL  GaAsP/GaP Red  660  Water Clear  2.1  2.8  20  200  380  
503VT  GaAsP/GaP Red  660  Red Transparent  2.1  2.8  20  50  290  
503GD  GaP  Green  565  Color Diff.  2.1  2.8  10  5  20  4  
503GC  GaP  Green  565  Water Clear  2.1  2.8  10  20  90  
503GT  GaP  Green  565  Green Transparent  2.1  2.8  10  5  30  
503YD  GaAsP/GaP Yellow  590  Color Diff.  2  2.8  10  5  20  
503YC  GaAsP/GaP Yellow  590  Water Clear  2  2.8  10  10  80  
503YT  GaAsP/GaP Yellow  590  Yellow Transparent  2  2.8  10  5  35 
p(nm)  Lens Color  Typ. Max.  at   Min.  Max. Figure 
Fig.3  Fig.4
3
Page 3
EC
Chip  Vf(V)  Iv(mcd)
Type  Part No.  Material  Emitting
Color  If=mA  No.
   LED Lamp
Function Round LEDs
p(nm)  Lens Color  Typ.  Max.  at   Min.  Max. Figure 
803VD  GaAsP/GaP Red  660  Color Diff.  2.1  2.8 
803VCL  GaAsP/GaP Red  660  Water Clear  2.1  2.8 
803GD  GaP  Green  565  Color Diff.  2.1  2.8 
803GC  GaP  Green  565  Water Clear  2.1  2.8
8mm Round
803YD  GaAsP/GaP Yellow  590  Color Diff.  2  2.8 
803YC  GaAsP/GaP Yellow  590  Water Clear  2  2.8
1003VD  GaAsP/GaP Red  660  Color Diff.  2.1  2.8  20  20  100 
1003VCL GaAsP/GaP Red  660  Water Clear  2.1  2.8  20  50  250 
1003GD  GaP  Green  565  Color Diff.  2.1  2.8  20  20  70  6 
1003GC  GaP  Green  565  Water Clear  2.1  2.8  20  50  250 
1003YD  GaAsP/GaP Yellow  590  Color Diff.  2  2.8  20  20  70 
1003YC  GaAsP/GaP Yellow  590  Water Clear  2  2.8  20  50  250
Fig.5  Fig.6     
20  20  100 
20  50  250 
20  20  70 
20  50  175 
20  20  70 
20  50  175
5
4
Page 4
EC
   LED Lamp
Function Round LEDs
Chip  Vf(V)  Iv(mcd)
Type  Part No.  Material  Emitting
Color  If=mA  No.
1814HD  GaP  Red  700   Color Diff.  2.1  2.8   10  0.5  2 
1814VD  GaAsP/GaP Red  660  Color Diff.  2.1  2.8  20  12.5  32  
1814VCL  GaAsP/GaP Red  660  Water Clear  2.1  2.8  20  32  120  
1814GD  GaP  Green  565  Color Diff.  2.1  2.8  10  2  5  7  
1814GC  GaP  Green  565  Water Clear  2.1  2.8  10  5  12.5 
1.8mm Round  GaAsP/GaP Yellow  590  Color Diff.  2  2.8  10  2  5 
1814YC  GaAsP/GaP Yellow  590  Water Clear  2  2.8  10  5  12.5 
214HD  GaP  Red  700   Color Diff.  2.1  2.8   10  0.5  1.25 
214VD  GaAsP/GaP Red  660  Color Diff.  2.1  2.8  20  8  12.5  
214GD  GaP  Green  565  Color Diff.  2.1  2.8  10  3.2  8  8  
214YD  GaAsP/GaP Yellow  590  Color Diff.  2  2.8  10  3.2  8 
p(nm)  Lens Color  Typ. Max.  at   Min.  Max. Figure 
Fig.7  Fig.8
5
Page 5
EC
   LED Lamp
Function Rectangular LEDs
Chip  Vf(V)  Iv(mcd)
Type  Part No.  Material  Emitting
Color  If=mA  No.
232HD  GaP  Red  700   Color Diff.  2.1  2.8  10  0.5  1  
232VD  GaAsP/GaP Red  660  Color Diff.  2.1  2.8  20  8  20  
232VCL  GaAsP/GaP Red  660  Water Clear  2.1  2.8  20  20  250  
232GD  GaP  Green  565  Color Diff.  2.1  2.8  10  0.7  3.5  9  
232GC  GaP  Green  565  Water Clear  2.1  2.8  10  2  70  
232YD  GaAsP/GaP Yellow  590  Color Diff.  2  2.8  10  0.5  2.5 
2x3mm Rectangular
232YC  GaAsP/GaP Yellow  590  Water Clear  2  2.8  10  2  70 
242HD  GaP  Red  700   Color Diff.  2.1  2.8  10  0.5  1  
242VD  GaAsP/GaP Red  660  Color Diff.  2.1  2.8  20  8  20  
242VCL  GaAsP/GaP Red  660  Water Clear  2.1  2.8  20  20  270  
242GD  GaP  Green  565  Color Diff.  2.1  2.8  10  0.7  3.5  10  
242GC  GaP  Green  565  Water Clear  2.1  2.8  10  2  75  
242YD  GaAsP/GaP Yellow  590  Color Diff.  2  2.8  10  0.5  2.5 
1.9x3.9mm Rectangular
242YC  GaAsP/GaP Yellow  590  Water Clear  2  2.8  10  2  5 
p(nm)  Lens Color  Typ. Max.  at   Min.  Max. Figure 
Fig.9  Fig.10
6
Page 6
EC
   LED Lamp
Function Rectangular LEDs
Chip  Vf(V)  Iv(mcd)
Type  Part No.  Material  Emitting
Color  If=mA  No.
252HD  GaP  Red  700   Color Diff.  2.1  2.8  10  0.5  1.6  
252VD  GaAsP/GaP Red  660  Color Diff.  2.1  2.8  20  8  23  
252VCL  GaAsP/GaP Red  660  Water Clear  2.1  2.8  20  20  250  
252GD  GaP  Green  565  Color Diff.  2.1  2.8  10  1.6  6  11  
252GC  GaP  Green  565  Water Clear  2.1  2.8  10  2  70  
252YD  GaAsP/GaP Yellow  590  Color Diff.  2  2.8  10  1.6  6 
2x5mm Rectangular
252YC  GaAsP/GaP Yellow  590  Water Clear  2  2.8  10  2  70 
262HD  GaP  Red  700   Color Diff.  2.1  2.8  10  0.5  1.6  
262VD  GaAsP/GaP Red  660  Color Diff.  2.1  2.8  20  8  23  
262VCL  GaAsP/GaP Red  660  Water Clear  2.1  2.8  20  20  250  
262GD  GaP  Green  565  Color Diff.  2.1  2.8  10  1.6  6  12  
262GC  GaP  Green  565  Water Clear  2.1  2.8  10  2  70  
262YD  GaAsP/GaP Yellow  590  Color Diff.  2  2.8  10  1.6  6  
262YC  GaAsP/GaP Yellow  590  Water Clear  2  2.8  10  2  70 
p(nm)  Lens Color  Typ. Max.  at   Min.  Max. Figure 
552HD  GaP  Red  700   Color Diff.  2.1  2.8  10  0.5  1.6  
552VD  GaAsP/GaP Red  660  Color Diff.  2.1  2.8  20  8  23  
552VCL  GaAsP/GaP Red  660  Water Clear  2.1  2.8  20  20  250  
552GD  GaP  Green  565  Color Diff.  2.1  2.8  10  1.6  6  13  
552GC  GaP  Green  565  Water Clear  2.1  2.8  10  2  70  
552YD  GaAsP/GaP Yellow  590  Color Diff.  2  2.8  10  1.6  6  
552YC  GaAsP/GaP Yellow  590  Water Clear  2  2.8  10  2  70 
Fig.11       Fig.12  Fig.13
7
Page 7
EC
Function Blinking LEDs
Chip  Vf(V)  Iv(mcd)
Type  Part No.  Material  Emitting
Color  If=mA  No.
   LED Lamp
p(nm)  Lens Color  Typ. Max.  at   Min.  Max. Figure 
503HDBL 
503VDBL 
503VCLBL 
503GDBL 
503GCBL
5mm Round
503YDBL 
503YCBL
803VDBL 
803VCLBL 
803GDBL 
803GCBL
8mm Round
803YDBL 
803YCBL
1003VDBL 
1003VCLBL 
1003GDBL 
1003GCBL 
1003YDBL 
1003YCBL
GaP  Red  700  Color Diff.   2.1  2.8  10  1.3  3.2 
GaAsP/GaP Red  660  Color Diff.   2.1  2.8  20  20  120 
GaAsP/GaP Red  660  Water Clear   2.1  2.8  20  200  380 
GaP  Green  565  Color Diff.   2.1  2.8  10  5  20  14 
GaP  Green  565  Water Clear   2.1  2.8  10  20  90 
GaAsP/GaP Yellow  590  Color Diff.   2  2.8  10  5  20 
GaAsP/GaP Yellow  590  Water Clear   2  2.8  10  10  80 
GaAsP/GaP Red  660  Color Diff.  2.1  2.8  20  20  100  
GaAsP/GaP Red  660  Water Clear  2.1  2.8  20  50  250  
GaP  Green  565  Color Diff.  2.1  2.8  20  20  70  15  
GaP  Green  565  Water Clear  2.1  2.8  20  50  175  
GaAsP/GaP Yellow  590  Color Diff.  2  2.8  20  20  70  
GaAsP/GaP Yellow  590  Water Clear  2  2.8  20  50  175  
GaAsP/GaP Red  660  Color Diff.  2.1  2.8  20  20  100  
GaAsP/GaP Red  660  Water Clear  2.1  2.8  20  50  250  
GaP  Green  565  Color Diff.  2.1  2.8  20  20  70  16  
GaP  Green  565  Water Clear  2.1  2.8  20  50  250  
GaAsP/GaP Yellow  590  Color Diff.  2  2.8  20  20  70  
GaAsP/GaP Yellow  590  Water Clear  2  2.8  20  50  250 
Fig.14  Fig.15  Fig.16
8
Page 8
EC
Function Bi-Color & Bi-Polar LEDs
Chip  Vf(V)  Iv(mcd)
Type  Part No.  Material  Emitting
Color  If=mA  No.
   LED Lamp
p(nm)  Lens Color  Typ. Max.  at   Min.  Max. Figure 
GaAsP/GaP Red  660  2.1  2.8  10  20  50  
GaP  Green  565  2.1  2.8  10  20  50 
3RY9HW  White Diff.
3GY9HW
5RG9HW  White Diff.
5RY9HW  White Diff.
5mm Round  3mm Round
5GY9HW  White Diff.
GaAsP/GaP Red  660  2.1  2.8  10  20  50  17  
GaAsP/GaP Yellow  590  2.1  2.8  10  20  50  
GaP  Green  565  2.1  2.8  10  20  50  
GaAsP/GaP Yellow  590  2.1  2.8  10  20  50 
GaAsP/GaP Red  660  2.1  2.8  10  20  90  
GaP  Green  565  2.1  2.8  10  20  70  
GaAsP/GaP Red  660  2.1  2.8  10  20  90  18  
GaAsP/GaP Yellow  590  2.1  2.8  10  20  60  
GaP  Green  565  2.1  2.8  10  20  70  
GaAsP/GaP Yellow  590  2.1  2.8  10  20  60 
Fig.17  Fig.18
White Diff.
White Diff.
9
Page 9
EC
Function Bi-Color & Bi-Polar LEDs
Chip  Vf(V)  Iv(mcd)
Type  Part No.  Material  Emitting
Color  If=mA  No.
   LED Lamp
p(nm)  Lens Color  Typ. Max.  at   Min.  Max. Figure 
8RG9HW  White Diff.
8RG9HC  Water Clear
8mm Round
10RG9HW
10RG9HC  Water Clear
10mm Round
2RG9HW  White Diff.
2x5mm
Rectangular
GaAsP/GaP Red  660  2.1  2.8  20  30  90  
GaP  Green  565  2.1  2.8  20  20  60  19  
GaAsP/GaP Red  660  2.1  2.8  20  50  175  
GaP  Green  565  2.1  2.8  20  50  100 
GaAsP/GaP Red  660  2.1  2.8  20  30  90  
GaP  Green  565  2.1  2.8  20  20  60  20  
GaAsP/GaP Red  660  2.1  2.8  20  50  175  
GaP  Green  565  2.1  2.8  20  50  100 
GaAsP/GaP Red  660  2.1  2.8  10  8  20  
GaP  Green  565  2.1  2.8  10  8  20 
Fig.19  Fig.20  Fig.21
White Diff.
21
10
Page 10
EC
   LED Lamp
Function Cylindrical LEDs
Chip  Vf(V)  Iv(mcd)
Type  Part No.  Material  Emitting
Color  If=mA  No.
314HD  GaP  Red  700   Color Diff.  2.1  2.8   10  0.5  3.2 
314VD  GaAsP/GaP Red  660  Color Diff.  2.1  2.8  20  10  50  22  
314GD  GaP  Green  565  Color Diff.  2.1  2.8  10  1.3  8 
3mm Cylindrical
314YD  GaAsP/GaP Yellow  590  Color Diff.  2  2.8  10  1.3  8 
324VT  GaAsP/GaP Red  660  Red Transparent  2.1  2.8  20  3.2  12.5  
324VCL  GaAsP/GaP Red  660  Water Clear  2.1  2.8  20  3.2  12.5  
324GT  GaP  Green  565  Green Transparent  2.1  2.8  10  2  8  23  
324GC  GaP  Green  565  Water Clear  2.1  2.8  10  2  8  
324YT  GaAsP/GaP Yellow  590  Yellow Transparent  2  2.8  10  2  8 
3mm Cylindrical
314YD  GaAsP/GaP Yellow  590  Water Clear  2  2.8  10  2  8 
p(nm)  Lens Color  Typ. Max.  at   Min.  Max. Figure 
524VT  GaAsP/GaP Red  660  Red Transparent  2.1  2.8  20  3.2  12.5  
524VCL  GaAsP/GaP Red  660  Water Clear  2.1  2.8  20  3.2  12.5  
524GT  GaP  Green  565  Green Transparent  2.1  2.8  10  2  8  24  
524GC  GaP  Green  565  Water Clear  2.1  2.8  10  2  8  
524YT  GaAsP/GaP Yellow  590  Yellow Transparent  2  2.8  10  2  8  
524YD  GaAsP/GaP Yellow  590  Water Clear  2  2.8  10  2  8 
Fig.22  Fig.23  Fig.24
11
Page 11
EC
   Super Bright LEDs
Chip  Vf(V)  Iv(mcd)
Type  Part No.  Material  Emitting
Color  If=mA  No.
  LED Lamp
p(nm)  Lens Color  Typ. Max.  at   Min.  Max. Figure 
304VCH 
304GCH  InGaN  Green  530   Water Clear  3.8  4.5  20  500  800  25  
304WC  InGaN  White 
304BC  InGaN  Blue  430  Water Clear  3.8  4.5  20  150  230 
503VCH 
503VGC  InGaN  Green  530   Water Clear  3.8  4.5  20  600  1200  26  
503WC  InGaN  White
5mm Round  3mm Round
503BC  InGaN  Blue  430  Water Clear  3.8  4.5  20  300  500 
AlGaInP/AlGaAs
AlGaInP/AlGaAs
Red  660   Water Clear  2  2.3  20  1800  3000 
X:0.32 Y:0.31
Red  660   Water Clear  2  2.3  20  1800  3000 
X:0.32 Y:0.31
Fig.25  Fig.26
Water Clear  3.8  4.5  20  300  500 
Water Clear  3.8  4.5  20  500  700 
12
Page 12
EC
  LED Lamp
   Ultra Bright LEDs
Chip Material: AlGaInP 
Ultra Bright LED Lamp: Red 
Construction: Gas Phase Epitaxial 
Application: Traffic Signal, Automotive Exterior Lighting 
 Package Dimensions
Fig.27  Fig.28 
Absolute maximum Ranges (Ta=25±3  )
Power Dissipation 
DC Forward Current     
Pulsed Forward Current 
Reverse Voltage 
Operating Temperature 
Storage Temperature
 P
F
I
FP
I
R
V
Topr  -25~+80
Tstg  -30~+100
HLEC-503VCH-
*1
D
120mW
30mA
100mA
*2
5V
 Electrical and Optical Characteristics
Chip
Type  Part No.  Material  Emitting
Color 
503VCH-A-15AlGaInP  Red  630  Water Clear  2.1  2.5  20  1450 1600 1930  15  
503VCH-A-2 
503VCH-A-3 
503VCH-B-1
5mm Round
503VCH-B-2 
503VCH-B-3
(*1) Fig.28 shows the outline of LED with stopper. This series is named as 503VCH-X-XX-S. 
(*2) Duty 1/10 Pulse Width 10ms. 
(*3) Guaranteed value what is include tolerance of measurement of Luminous Intensity by Toyoda Gosei's 
method is ±20%. 
(*4) Guaranteed Value what is include tolerance of measurement of Dominant wavelength by Toyoda Gosei's 
method is ±2nm. 
AlGaInP  Red  630  Water Clear  2.1  2.5  20  1450 1600 1930  23  
AlGaInP  Red  630  Water Clear  2.1  2.5  20  1450 1600 1930  30  
AlGaInP  Red  630  Water Clear  2.1  2.5  20  2200 2900 3300  15  
AlGaInP  Red  630  Water Clear  2.1  2.5  20  2200 2900 3300  23  
AlGaInP  Red  630  Water Clear  2.1  2.5  20  2200 2900 3300  30 
(Ta=25±3  )
Wavelength
p(nm)*4 
Vf(V)  Luminous Intensity Iv *3
Lens Color Typ. Max.  at   Min. Typ. Max.  2
If=mA (mcd) (mcd) (mcd)
13
(Deg.)
Page 13
EC
  LED Lamp
   Ultra Bright LEDs
Chip Material: AlGaInP 
Ultra Bright LED Lamp: Bluish-green 
Construction: Gas Phase Epitaxial 
Application: Traffic Signal, Automotive Exterior Lighting 
 Package Dimensions
Fig.29  Fig.30 
Absolute maximum Ranges (Ta=25±3  )
Power Dissipation 
DC Forward Current     
Pulsed Forward Current 
Reverse Voltage 
Operating Temperature 
Storage Temperature
 P
F
I
FP
I
R
V
Topr  -30~+80
Tstg  -40~+100
HLEC-503GCH-
*1
D
120mW
30mA
100mA
*2
5V
 Electrical and Optical Characteristics
Chip
Type  Part No.  Material  Emitting
Color 
503GCH-A-15AlGaInP Bluish green  505  Water Clear  3.5  4.5  20  3300 4500 4900  15  
503GCH-A-2 
503GCH-A-3 
503GCH-B-1
5mm Round
503GCH-B-2 
503GCH-B-3
(*1) Fig.30 shows the outline of LED with stopper. This series is named as 503GCH-X-XX-S. 
(*2) Duty 1/10 Pulse Width 10ms. 
(*3) Guaranteed value what is include tolerance of measurement of Luminous Intensity by Toyoda Gosei's 
method is ±20%. 
(*4) Guaranteed Value what is include tolerance of measurement of Dominant wavelength by Toyoda Gosei's 
method is ±2nm. 
AlGaInP Bluish green  505  Water Clear  3.5  4.5  20  3300 4500 4900  23  
AlGaInP Bluish green  505  Water Clear  3.5  4.5  20  3300 4500 4900  30  
AlGaInP Bluish green  505  Water Clear  3.5  4.5  20  4900 6000 7300  15  
AlGaInP Bluish green  505  Water Clear  3.5  4.5  20  4900 6000 7300  23  
AlGaInP Bluish green  505  Water Clear  3.5  4.5  20 
(Ta=25±3  )
Wavelength
p(nm)*4 
Vf(V)  Luminous Intensity Iv *3
Lens Color Typ. Max.  at   Min. Typ. Max.  2
If=mA (mcd) (mcd) (mcd)
4900
6000 7300  30
14
(Deg.)
Page 14
EC
  LED Lamp
   Ultra Bright LEDs
Chip Material: AlGaInP 
Ultra Bright LED Lamp: Yellow 
Construction: Gas Phase Epitaxial 
Application: Traffic Signal, Automotive Exterior Lighting 
 Package Dimensions
Fig.31  Fig.32 
Absolute maximum Ranges (Ta=25±3  )
Power Dissipation 
DC Forward Current     
Pulsed Forward Current 
Reverse Voltage 
Operating Temperature 
Storage Temperature
 P
F
I
FP
I
R
V
Topr  -25~+80
Tstg  -30~+100
HLEC-503YCH-
*1
D
120mW
30mA
100mA
*2
5V
 Electrical and Optical Characteristics
Chip
Type  Part No.  Material  Emitting
Color 
503YCH-A-15AlGaInP  Yellow  592  Water Clear  2.1  2.5  20  1450 2000 2200  15  
503YCH-A-2 
503YCH-A-3 
503YCH-B-1
5mm Round
503YCH-B-2 
503YCH-B-3
(*1) Fig.32 shows the outline of LED with stopper. This series is named as 503YCH-X-XX-S. 
(*2) Duty 1/10 Pulse Width 10ms. 
(*3) Guaranteed value what is include tolerance of measurement of Luminous Intensity by Toyoda Gosei's 
method is ±20%. 
(*4) Guaranteed Value what is include tolerance of measurement of Dominant wavelength by Toyoda Gosei's 
method is ±2nm. 
AlGaInP  Yellow  592  Water Clear  2.1  2.5  20  1450 2000 2200  23  
AlGaInP  Yellow  592  Water Clear  2.1  2.5  20  1450 2000 2200  30  
AlGaInP  Yellow  592  Water Clear  2.1  2.5  20  2200 2900 3300  15  
AlGaInP  Yellow  592  Water Clear  2.1  2.5  20  2200 2900 3300  23  
AlGaInP  Yellow  592  Water Clear  2.1  2.5  20  2200 2900 3300  30 
(Ta=25±3  )
Wavelength
p(nm)*4 
Vf(V)  Luminous Intensity Iv *3
Lens Color Typ. Max.  at   Min. Typ. Max.  2
If=mA (mcd) (mcd) (mcd)
15
(Deg.)