Cylindrical LED lamp
BL-L344
Chip
Part Number
Emitted Color
Material
λ
P
(n
m)
Lens
Type
Forward
Voltage(VF)
Unit:V
BL-L344SRC
BL-L344LRC
BL-L344URC
BL-L344UEC
BL-L344UYC
BL-L344UGC
BL-L344PGC
BL-L344BGC
BL-L344BC
Hi Red
Super Red
Ultra Red
Ultra Orange
Ultra Yellow
Ultra Green
AlGaAs,SH
AlGaAs,DH
AlGaAs,DDH
AlGaInP
BL-L344UBC
BL-L344VC
BL-L344UWC
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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REV NO: V.2
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¥
£
£
¥¤
¢
¢
¢
¢
Absolute maximum ratings (Ta=25
)
UR
25
60
5
150
¢
¢
¢
¢
¡
¡
¡
¡
¡
¡
¡
¡
Features:
3.0mm
Cylindrical LED lamp
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
660
u
tl
660
660
630
590
574
525
505
430
470
405
/
Water
Clear
.
x
Typ
1.85
1.85
1.95
2.10
2.10
2.20
3.80
3.80
3.80
2.70
3.80
2.70
Max
2.20
2.20
m
o
c
Min.
30
Typ.
80
70
150
125
160
160
35
320
250
420
550
35
300
350
450
450
110
1100
900
900
1100
110
1500
Angle
2θ1/2(
deg)
2.20
2.50
2.50
2.50
4.50
4.50
4.50
4.20
4.50
4.20
100
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
nit
mA
mW
V
mA
-40 to +80
-40 to +85
Cylindrical LED lamp
BL-L344
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.
APPROVED : XU L CHECKED :ZHANG WH DRAWN: LI FS
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Package configuration & Internal circuit diagram
w
e
.b
w
w
u
tl
.
x
m
o
c
CATHODE
ANODE
Cylindrical LED lamp
BL-L344
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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