SHEN ZHEN XIN MING HONG ELECTRONIC CO.,LIMITED professional
manufacture SMD LED for 10 years with good quality and best
performance. Our products include 0603 0805 1206 3528 5050 etc.
257 BLUE LED LAMPS
Features:
- (1)suitable for all SMT asembly methods.
- (2)compatible with infrared and vapor phase reflow solder process.
- (3)compatible with automatic placement equipment.
- (4)This product doesn't contain restriction substance,comply ROHS
standard.
Applications:
- Turn singals
- Status indicators:comsumer & industrial
- Backlighting:LCDS,Key pads adverstising
- General use
Package Dimensions:
Electrical and optical characteristics(Ta=25Electrical and optical
characteristics(Ta=25C)Electrical and optical
characteristics(Ta=25C)Electrical and optical
characteristics(Ta=25C)C)
| Parameter | Symbol | Min. | Typ. | Max. | Unit | Test Condition |
| Luminous Intensity | Iv | 800 | - | 1000 | mcd | If=20mA (Note 1) |
| Viewing Angle | 2θ1/2 | --- | 60 | --- | Deg | (Note 2) |
| Wave length | nm | 470 | --- | 475 | nm | IF=20mA (Note 3) |
| Forward Voltage | VF | 3.0 | 3.2 | 3.4 | V | IF=20mA |
| Reverse Current | IR | --- | --- | 100 | µA | VR=5V |
Soldering
Preheating:140°C-160°C±5°C,within 2 minutes.
Operation heating:235°C(MAX.) within 10 seconds.
Gradual Cooling(Avoid quenching)
Preheating:140°C-160°C±5°C,within 2 minutes.
Operation heating:235°C(MAX.) within 10 seconds.
Gradual Cooling(Avoid quenching)
Preheating:120°C-150°C, within 120-180 sec
Operation heating:245°C±5°C within 5 sec.260°C(MAX)
Gradual cooling(Avoid quenching)
