Posted August 4, 2026 | Category: Technical Guide | Tags: RGB LED, SMD LED, High-Power LED
Quick Answer
The HT-2 RGB is a high-power SMD LED designed for demanding applications including outdoor architectural lighting, commercial displays, and landscape illumination. With its 6.0mm × 6.0mm × 4.5mm package, 150mA forward current capability, and wide 35–42° viewing angle, this LED offers versatile performance across multiple scenarios. Critical to its reliable operation are proper storage (bake at 60–65°C for 12 hours before use), correct ESD protection, and appropriate thermal management to ensure optimal lifespan.
Introduction: Understanding the HT-2 RGB LED
The HT-2 RGB is a high-power, surface-mount LED that combines red, green, and blue chips in a single 6.0mm × 6.0mm × 4.5mm package. It belongs to the HT-2 series of LEDs, designed for applications requiring high brightness and reliable performance in demanding environments.
This component is particularly significant because it bridges the gap between standard indicator LEDs and high-power lighting solutions. Its 150mA drive current capability allows it to deliver substantially higher light output than standard 20mA LEDs, while its RGB integration enables full color mixing capabilities for dynamic lighting effects.
Key applications include:
Home atmosphere lighting
Outdoor decorative lighting
Commercial scene lighting
Cultural and landscape lighting
Advertising light boxes
Hotel illumination
Bridge and river lighting
Technical Specifications: Core Parameters
Absolute Maximum Ratings
Parameter | Symbol | Rating | Unit | Notes |
|---|---|---|---|---|
Forward Current | IF | 150 | mA | Recommended |
Peak Forward Current | IFP | 160 | mA | Pulse width ≤10ms |
Reverse Voltage | VR | 5 | V | |
Reverse Current | IR | ≤1.0 | μA | At VR=5V |
Power Dissipation | PD | 1.5 | W | |
Junction Temperature | TJ | 115 | ℃ | |
Thermal Resistance | Rth | ≤22 | ℃/W | ±5% tolerance |
Viewing Angle | θ(50%) | 35–42 | ° | ±5% tolerance |
ESD Capability | 2000 | V | HBM model | |
Operating Temperature | Topr | -20 to +70 | ℃ | |
Storage Temperature | Tstg | -2 to +60 | ℃ | |
Soldering Temperature | 230℃ reflow / 150℃ manual | 3 seconds |
Electrical-Optical Characteristics (at IF = 150mA)
Dominant Wavelength:
Luminous Flux:
Forward Voltage:
Tolerance Notes:
Dominant wavelength tolerance: ±3%
Luminous flux tolerance: ±5%
Forward voltage tolerance: ±3%
Package Dimensions
The HT-2 RGB measures 6.0mm × 6.0mm × 4.5mm, with a tolerance of ±0.1mm. This compact footprint enables high-density mounting while providing sufficient surface area for effective heat dissipation .
Application Selection Guide
When to Choose the HT-2 RGB
Key Selection Considerations
Power vs. Heat Trade-off: The 150mA rating provides high brightness but requires attention to thermal design—consider derating to 140mA for extended lifespan .
Color Consistency: Critical for RGB mixing applications. Ensure binning continuity by sourcing from the same bin and batch for color-critical projects .
Application-Specific Variants:
PCT bracket: Standard version for rigid PCBs
PPA bracket: For flexible strips (limited to 0.5W power)
Summary
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