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3MOLD LED LAMP L640-31-35-2C
Fiber use Red LED
L640-31-35-2C is with off-set type InGaAlP/GaAs die and mounted on a lead frame with
a clear epoxy flat lens for fiber use.
On forward bias it emits a band of visible light, which peaks at 635nm.
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Specifications |
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Product Name |
Fiber use red LED
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Type No. |
L640-31-35-2C
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Chip |
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Chip Material |
InGaAlP/GaAs
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Chip Dimension |
350um*350um off-set
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Peak Wavelength |
635nm typ.
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Package |
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Type |
?3mm flat molding
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Resin Material |
Epoxy Resin
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Lead Frame/cup |
0.35mm depth
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Lead Frame solder |
Lead Free
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Outer dimension (Unit: mm)
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Absolute Maximum Ratings
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Item |
Symbol |
Maximum Rated Value |
Unit |
Ambient Temperature |
| Power Dissipation | PD | 130 | mW | Ta=25°C |
| Forward Current | IF | 50 | mA | Ta=25°C |
| Pulse Forward Current | IFP | 500 | mA | Ta=25°C |
| Reverse Voltage | VR | 5 | V | Ta=25°C |
| Operating Temperature | TOPR | -30 ~ +85 | °C | |
| Storage Temperature | TSTG | -30 ~ +100 | °C | |
| Soldering Temperature | TSOL | 265 | °C | |
‡Pulse Forward Current condition: Duty=1% and Pulse Width=10us.
‡Soldering condition: Soldering condition must be completed within 3 seconds at 265°C
Electro-Optical Characteristics [Ta=25°C]
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Item |
Symbol |
Condition |
Minimum |
Typical |
Maximum |
Unit |
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Forward Voltage |
VF |
IF=200mA |
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2.10 |
2.30 |
V |
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Reverse Current |
IR |
VR=5V |
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10 |
uA |
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Total Radiated Power |
PO |
IF=20mA |
4.0 |
8.0 |
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mW |
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Brightness |
IV |
IF=20mA |
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65 |
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mcd |
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Radiant Intensity |
IE |
IF=20mA |
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3.2 |
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mW/sr |
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Peak Wavelength |
P |
IF=20mA |
625 |
635 |
645 |
nm |
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Half Width |
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IF=20mA |
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20 |
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nm |
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Viewing Half Angle |
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IF=20mA |
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±50 |
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deg. |
‡Total Radiated Power is measured by Photodyne #500
‡Radiant Intensity is measured by Tektronix J-6512
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