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參數(shù)資料
| 型號(hào)： | HPWL-MDA1 |
| 英文描述： | LED Light Source(高光通量LED光源) |
| 中文描述： | LED光源（高光通量LED光源） |
| 文件頁(yè)數(shù)： | 3/6頁(yè) |
| 文件大?。?/td> | 250K |
| 代理商： | HPWL-MDA1 |
3
Electrical Characteristics at T
B
= 50
°
C
[1], [2]
(unless otherwise noted)
Parameter
Symbol
Min.
Forward Voltage
V
F
11
Reverse Voltage
[3]
V
R
30
Speed of Response
τ
S
Typ.
14.6
-
20
Max.
17
-
Units
V
V
ns
Test Conditions
I
F
= 750 mA
I
R
= 100
μ
A
Exponential Time
Constant, e
-t/
τ
s
V
F
= 100 mV, f=1 MHz
Capacitance
Temperature Coefficient
of Forward Voltage
Amber
Red
Thermal Resistance,
Junction to Board
Dynamic Resistance
C
175
pF
dV
F
/dT
J
mV/
°
C
I
F
= 5 mA
25
°
C
≤
T
J
≤
70
°
C
-13.2
[4]
-10.8
0.9
R
θ
J-B
°
C/W
Measured to back side
of MCPCB
R
D
2
5
9
Ohms
Optical Characteristics at T
B
= 50
°
C
[1], [2]
(unless otherwise noted)
Parameter
Symbol
Min.
Dominant Wavelength
Amber
λ
d
Red
Spectral Halfwidth
λ
1
/
2
Typ.
Max.
Units
Test Conditions
590
[4]
629
19
nm
I
F
= 750 mA
nm
I
F
= 750 mA
Wavelength Width at
Spectral Distribution
1
/
2
Power Point
T
B
= 50
°
C (T
B
= 25
°
C)
Luminous Flux
[5]
HPWL-MDB1
HPWL-MLB1
HPWL-MDA1
HPWL-MLA1
Luminous Efficacy
Amber
Red
Characteristic
Temperature
[6]
Amber
Red
135 (175) 170 (230) 210 (275)
110 (175) 145 (230) 175 (275)
90 (120) 120 (155) 145 (185)
75 (120) 100 (155) 120 (185)
Emitted Luminous
Power/Emitted Radiant
Power
η
V
500
155
lm/W
T
0
°
C
25
°
C
≤
T
J
≤
70
°
C
65
[4]
95
Notes:
1.
T
B
is the temperature of the metal core printed circuit board (MCPCB). This temperature value can be measured on either side of
the board.
2. Board temperature of 50
°
C is equivalent to an ambient temperature of 25
°
C, with a power dissipation of 11.25 W (750 mA) and a
thermal resistance of 2.2
°
C/W from board to ambient.
3. Always protect device against reverse voltage.
4. Projected value. Tested typical value to be announced at a later time.
5. In the United States, HPWL-MDB1 is targeted for a 12 inch traffic signal and HPWL-MDA1 is for an 8 inch traffic signal.
6. Characteristic temperature predicts light output at LED junction temperatures other than 25
°
C with constant current through the
equation:
LOP
(
T
j
)
LOP
(
25
°
C
)
×
exp
T
0
– (
T
j
– 25
°
C)
lm
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