3838 COB Led Chip 300W Led Chip CRI80 3000K 4000K For Photography Light
300W 3838 COB Led Chips Features
• Dimension 38.0 mm×38.0 mm×2.4 mm
• High power & lux density, 300W High Brightness
• Available in 2700K 3000K, 5700K, 6500K color temperatures
• Available in 90Ra, 95Ra (typ) color rendering index with high R9 and R12 values.
• Window protected package design improves optical coupling efficiency
• Low thermal resistance chip-on-board packaging technology.
• Environmentally friendly, compliant with RoHS and REACH requirements
• Ceramic base with bare Osram vertical chips mounted, multiple gold wires bonded
• Outstanding Projecting Performance
• Equipped with temperature sensor and quick connector
Package Dimension
9PCS /Tray, 10Tray/ESD Shieding Bag:90pcs
300W 3838 COB Led Chips Details
Electrical - Optical Characteristics at Ta=25℃
|
Type
|
Symbol
|
Test condition
|
Value |
Unit
|
| |
|
|
Min. |
Typ. |
Max. |
|
| Forward Voltage |
VF |
IF=5000mA |
52 |
54 |
56 |
V |
| 2550K-3100K |
φ |
IF=5000mA |
31000 |
-- |
35000 |
Lm |
| 3100K-4050K |
φ |
IF=5000mA |
32000 |
-- |
38000 |
Lm |
| 4050K-7000K |
φ |
IF=5000mA |
32000 |
-- |
38000 |
Lm |
| Viewing Angle |
2θ1/2 |
IF=5000mA |
|
120 |
|
Deg |
| Color Rendering Index |
CRI |
IF=5000mA |
-- |
80 |
-- |
-- |
| Thermal resistance |
Rth(j-s) |
IF=5000mA |
-- |
-- |
0.67 |
℃/W |
Absolute Maximum Ratings at Ta=25℃
| Parameter |
Symbol |
Rating |
Units |
| Power Dissipation |
Pd |
300 |
W |
| Forward Current |
IF |
5000 |
mA |
| Peak Forward Current |
IFP |
5200 |
mA |
| Junction temperature |
Tj |
115 |
℃ |
| Solder temperature |
Ts |
350 |
℃ |
| Operating Temperature |
Topr |
-40 ~ + 85 |
℃ |
| Storage Temperature |
Tstg |
-40 ~ + 100 |
℃ |
Optica Characteristic curve
300W 3838 COB Led Chips Applications
* Indoor/outdoor lighting.
* Spot light
* Down light
* General use.
FAQ
Q1. Can I have a sample order for led light?
A: Yes, we welcome sample order to test and check quality. Mixed samples are acceptable.
Q2. What about the lead time? A:Sample needs 1-3 days, mass production time needs 3-7 days according order quantity .
Q3. Do you have any MOQ limit for led light order?What's the Payment way ?
A: MOQ is 100pcs for each model. We accept T/T Paypal and Western Union three ways payment.
Q4. How do you ship the goods and how long does it take to arrive?
A: We usually ship by DHL, UPS, FedEx or TNT. It usually takes 2-5 days to arrive. Airline and sea shipping also optional.
Q5. How to proceed an order for led light?
A: Firstly let us know your requirements or application. Secondly We quote according to your requirements or our suggestions.Thirdly customer confirms the samples and places deposit for formal order. Fourthly We arrange the production.
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