The 2835 SMD LED is a popular mid-power LED package widely used in lighting applications due to its balance of brightness, efficiency, and cost-effectiveness. Below are its detailed technical specifications:

# **2835 SMD LED Chip Specifications**

The **2835 SMD LED** is a popular mid-power LED package widely used in lighting applications due to its balance of brightness, efficiency, and cost-effectiveness. Below are its detailed technical specifications:

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## **1. General Specifications**
- **Package Type**: Surface-Mount Device (SMD)  
- **Dimensions (L × W × H)**: 2.8mm × 3.5mm × 0.7mm (may vary slightly by manufacturer)  
- **Anode/Cathode Configuration**: 2-pin (standard) or 4-pin (high-power variants)  
- **Lens Type**: Silicone or epoxy dome (diffused or clear)  
- **Color Options**:  
  - **White** (2700K–6500K CCT)  
  - **RGB** (Multi-color variants)  
  - **Single Color** (Red, Green, Blue, Amber, etc.)  

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## **2. Electrical Characteristics**
| Parameter | Typical Value | Unit |
|-----------|--------------|------|
| **Forward Voltage (Vf)** | 2.8–3.4V (White) | V |
| **Forward Current (If)** | 60–150 mA (standard) | mA |
| **Max. Forward Current (If max)** | 180–300 mA (high-power variants) | mA |
| **Power Dissipation (Pd)** | 0.2–1.0W (depending on drive current) | W |
| **Reverse Voltage (Vr)** | ≤5V | V |

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## **3. Optical Characteristics**
| Parameter | Typical Value | Unit |
|-----------|--------------|------|
| **Luminous Flux (Brightness)** | 20–50 lm (at 65mA, 5000K white) | lm |
| **Luminous Efficacy** | 100–180 lm/W (high-efficiency models) | lm/W |
| **Viewing Angle** | 120°–140° (standard) | Degrees |
| **CRI (Color Rendering Index)** | 70–95 (80+ for high-CRI models) | - |
| **Dominant Wavelength** | Depends on color (e.g., 450nm for blue) | nm |

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## **4. Thermal & Reliability**
| Parameter | Typical Value | Unit |
|-----------|--------------|------|
| **Junction Temperature (Tj max)** | 85°C–125°C | °C |
| **Thermal Resistance (Rth j-s)** | 6–12°C/W | °C/W |
| **Operating Temperature Range** | -40°C to +85°C | °C |
| **Lifetime (L70/B50)** | 25,000–50,000 hours | Hours |

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## **5. Applications**
✔ **General Lighting** (LED bulbs, tubes, panels)  
✔ **Backlighting** (TVs, monitors, signage)  
✔ **Automotive Lighting** (interior, auxiliary lights)  
✔ **Decorative Lighting** (strips, RGB effects)  
✔ **Industrial & Commercial Lighting** (high-efficiency fixtures)  

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## **6. Comparison with Similar LEDs**
| Feature | **2835** | **3528** | **5050** |
|---------|---------|---------|---------|
| **Size (mm)** | 2.8×3.5 | 3.5×2.8 | 5.0×5.0 |
| **Power (W)** | 0.2–1.0 | 0.06–0.5 | 0.2–1.5 |
| **Brightness (lm)** | 20–50 | 5–12 | 15–60 |
| **Typical Use** | Mid-power lighting | Low-cost backlighting | High-brightness/RGB |

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## **7. Leading Manufacturers**
- **Samsung LED**  
- **Nichia**  
- **Cree (Wolfspeed)**  
- **Lumileds (Philips)**  
- **Osram Opto Semiconductors**  
- **Epistar**  

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### **Key Advantages of 2835 LEDs**
✅ **Higher brightness** than 3528 at similar power  
✅ **Better thermal management** than smaller LEDs  
✅ **Cost-effective** for mass production  
✅ **Wide availability** in various color temperatures  

This LED is widely used in modern lighting due to its efficiency, compact size, and reliability. Always check the datasheet for exact specifications from the manufacturer.