Shenzhen Huanyu Dream Technology Co., Ltd
Light up the world with our “chip"
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1917 COB LED--With 12w 20w 30w 40W 50W Chip Bridgelux For Museum / Show Lights
40W 97Ra 1919 COB Led Chips Features
Electrical - Optical Characteristics at Ta=25℃
| Type | Symbol | Test condition | Value | Unit | ||
| Min. | Typ. | Max. | ||||
| Forward Voltage | VF | IF=1500mA | 22 | -- | 26 | V |
| 2900K-3100K | φ | IF=1500mA | 4200 | -- | 4400 | Lm |
| 4000-4500K | φ | IF=1500mA | 4300 | -- | 4500 | Lm |
| 6000-6500K | φ | IF=1500mA | 4300 | 4500 | Lm | |
| Viewing Angle | 2θ1/2 | IF=1500mA | -- | 120 | -- | Deg |
| Color Rendering Index | CRI | IF=1500mA | -- | 97 | Ra | |
| Thermal resistance | Rth(j-s) | IF=1500mA | -- | -- | 0.67 | ℃/W |
Absolute Maximum Ratings at Ta=25℃
| Parameter | Symbol | Rating | Units |
| Power Dissipation | Pd | 40 | W |
| Forward Current | IF | 1500 | mA |
| Peak Forward Current | IFP | 2000 | mA |
| Junction temperature | Tj | 115 | ℃ |
| Solder temperature | Ts | 350 | ℃ |
| Operating Temperature | Topr | -40 ~ + 85 | ℃ |
| Storage Temperature | Tstg | -40 ~ + 100 | ℃ |
Spec
| Size | Les | Power | Voltage(V) | IF(mA) | CCT(K) | CRI |
| 19*19mm | φ17mm |
12W
| 36-39V | 300 | 2700-7000 | 70Ra/80Ra/90Ra/95Ra+ |
| 12-18W | 300-450 | |||||
|
18-24W
| 450-600 | |||||
| 24-30W | 600-750 | |||||
| 30-36W | 750-900 | |||||
| 36-42W | 900-1050 | |||||
| 42-48W | 1050-1200 | |||||
| 50W | 1200-1350 |
Package Dimension
1919 COB Led Chips Details
Packaging Specifications
25 PCS/Tray 8Tray/ESD Shieding Bag:200pcs
FAQ
Q1: How to process the order?
Q2: Can I get some samples for tests?
A2: Yes, we can offer free samples, so you can have an intuitive understanding about our LED quality and performance. But our clients should pay for the shipping freight themselves.
Q3: What about the lead time?
A3: Generally, it will take 3-5 working days for sample and 7-25 working days for mass order.
Q4: Do you accept customized products?
A4: Yes, we can offer OEM and ODM service as per your request. Please kindly leave us messages about your requirements, our sales engineer will check the details as soon as possible.
Q5: How many years of warranty of products you offer? And how do you deal with the LED working issues?
A5: We offer 3-year warranty by default, and longer warranty can be negotiated. If there is any problem with the product during the warranty, please feel free to contact us.