Round Type LED lamp
BL-L312
Chip
Part Number
Emitted Color
Material
λ
P
(n
m)
Lens
Type
Forward
Voltage(VF)
Unit:V
BL-L312SRC
BL-L312LRC
BL-L312URC
BL-L312UEC
BL-L312UYC
BL-L312UGC
BL-L312PGC
BL-L312BGC
BL-L312BC
BL-L312UBC
BL-L312VC
Hi Red
Super Red
Ultra Red
Ultra Orange
Ultra Yellow
Ultra Green
AlGaAs,SH
AlGaAs,DH
AlGaAs,DDH
AlGaInP
BL-L312UWC
w
e
.b
w
w
AlGaInP
AlGaInP
InGaN
Ultra Pure Green
Ultra Bluish Green
Blue
InGaN
InGaN
Ultra Blue
UV
InGaN
InGaN
Ultra White
InGaN
Parameter
Forward Current I
F
Power Dissipation P
d
Reverse Voltage V
R
Peak Forward Current I
PF
(Duty 1/10 @1KHZ)
Operation Temperature T
OPR
Storage Temperature T
STG
Lead Soldering Temperature
TSOL
SR
25
60
5
150
LR
25
60
5
150
Max.260 5 for 3 sec Max.
(1.6mm from the base of the epoxy bulb)
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¥
£
£
¥¤
¢
¢
¢
¢
Absolute maximum ratings (Ta=25
)
UR
25
60
5
150
¢
¢
¢
¢
¡
¡
¡
¡
¡
¡
¡
¡
Features:
3mm Round Type LED Lamps.
Ultra brightness.
Choice of various viewing angles.
Diffused, Transparent and Water clear lens are available.
IC compatible /Low current capability.
RoHs Compliance
Electrical-optical characteristics: (Ta=25 )
(Test Condition: IF=20mA)
Luminous
Intensity
(Iv)
Unit:mcd
Viewi
ng
Angle
2θ1/2(
deg)
660
u
tl
660
630
590
574
525
505
430
470
405
/
Water
Clear
660
.
x
1.85
1.85
1.95
2.10
2.10
2.20
3.80
3.80
3.80
2.70
3.80
2.70
Typ
Max
2.20
2.20
2.20
m
o
c
Min.
50
Typ.
220
200
500
500
900
900
900
220
1200
900
400
500
100
900
1800
2000
600
3000
2800
900
1400
150
2000
2.50
2.50
2.50
4.50
4.50
4.50
4.20
4.50
4.20
30
UE
30
65
5
150
UY
30
65
5
150
UG
30
75
5
150
PG
30
110
5
150
BG
30
110
5
100
B
30
120
5
100
UB
30
120
5
100
UV
30
120
5
100
W
30
120
5
100
U
ni
t
mA
mW
V
mA
-40 to +80
-40 to +85
Round Type LED lamp
BL-L312
Notes:
1. All dimensions are in millimeters (inches)
2. Tolerance is 0.25(0.01")unless otherwise noted.
3. Specifications are subject to change without notice.
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Package configuration & Internal circuit diagram
w
e
.b
w
w
u
tl
.
x
m
o
c
CATHODE
ANODE
Round Type LED lamp
BL-L312
1.0
0.5
0
350
Wavelength(nm)
RELATIVE INTENSITY Vs WAVELENGTH( p )
(1) - GaAsP/GaAs 655nm/Red
(2) - GaP 570nm/Yellow Green
(3) - GaAsP/GaP 585nm/Yellow
(4) - GaAsp/GaP 635nm/Orange & Hi-Eff Red
(5) - GaP 700nm/Bright Red
(6) - GaAlAs/GaAs 660nm/Super Red
(8) - GaAsP/GaP 610nm/Super Red
(9) - GaAlAs 880nm
(10) - GaAs/GaAs & GaAlAs/GaAs 940nm
(A) - GaN/SiC 430nm/Blue
(B) - InGaN/SiC 470nm/Blue
(C) - InGaN/SiC 505nm/Ultra Green
(D) - InGaAl/SiC 525nm/Ultra Green
50
FORWARD CURRENT(mA)
RELATIVE LUMINOUS INTENSITY
3
2
1
0.5
0.2
0.1
-30
-20
-10
1
8
64 5
2 3
4.0
40
30
20
10
0
1.2
3.0
1.6
2.0
2.4
2.6
FORWARD VOLTAGE (Vf)
FORWARD CURRENT VS.
FORWARD VOLTAGE
w
0
10
FORWARD CURRENT (mA)
RELATIVE LUMINOUS
INTENSITY VS. FORWARD
CURRENT
AMBIENT TEMPERATURE Ta( )
FORWARD CURRENT VS. AMBIENT
TEMPERATURE
1
5
4
2
3
10
9
8
7
6
5
4
3
2
20
30
40
50
60
70
1
1
Ipeak MAX.
IDC MAX.
300KHz
3KHz
10KHz
1KHz
100KHz F-REFRESH RATE
3KHz
300Hz
30KHz
100KHz
10KHz 1KHz
100Hz
10
9
8
7
6
5
Ipeak MAX.
IDC MAX.
4
3
2
1
1
10
100
1000
tp-PULSE DURATION uS
(5)
AMBIENT TEMPERATURE Ta( )
10
100
1000
10,000
tp-PULSE DURATION uS
(1,2,3,4,6,8,B.D.J.K)
NOTE:25
free air temperature unless otherwise specified
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¨
e
.b
w
w
2.0
1.0
0
3.0
20
40
60
u
tl
1
5
B
100
80
©
§
©
Typical electrical-optical characteristics curves:
(A)
(B)
(C)
(D)
(2)
(3)
(8)
(4)
(1) (6)
(5)
(9)
(10)
400
450
500
550
600
650
700
750
800
850
900
950
1000
.
x
50
40
30
20
10
0
FORWARD CURRENT(mA)
m
o
c
20
40
60
80
100
RELATIVE LUMINOUS INTENSITY
1
6
2,4,8,A
3
5
10,000
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