Cylindrical Type LED lamp
BL-L542
Chip
Part Number
Emitted Color
Material
λ
P
(n
m)
Lens
Type
Forward
Voltage(VF)
Unit:V
BL-L542SRC
BL-L542LRC
BL-L542URC
BL-L542UEC
BL-L542UYC
BL-L542UGC
BL-L542PGC
BL-L542BGC
BL-L542BC
BL-L542UBC
BL-L542VC
Hi Red
Super Red
Ultra Red
Ultra Orange
Ultra Yellow
Ultra Green
AlGaAs,SH
AlGaAs,DH
AlGaAs,DDH
AlGaInP
BL-L542UWC
w
T
SOL
e
.b
w
w
AlGaInP
AlGaInP
InGaN
Ultra Pure Green
Ultra Bluish Green
Blue
InGaN
InGaN
Ultra Blue
UV
InGaN
InGaN
Ultra White
InGaN
Absolute maximum ratings (Ta=25°
C)
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
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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Electrical-optical characteristics: (Ta=25
Features:
5mm
Cylindrical LED lamp, FLAT TOP
Ultra brightness.
Choice of various viewing angles.
Diffused, Transparent and Water clear lens are available.
IC compatible /Low current capability.
RoHs Compliance
)
(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.
130
270
Typ.
300
500
500
800
260
260
120
800
700
500
650
35
1000
600
500
250
2000
1800
1000
1800
80
2500
2.50
2.50
2.50
4.50
4.50
4.50
4.20
4.50
4.20
90
UR
25
60
5
150
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 Type LED lamp
BL-L542
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
Cylindrical Type LED lamp
BL-L542
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