LTST-C191KGKT
Manufacturer
Model
LTST-C191KGKT
Category
The Lite-On LTST-C191KGKT is a high-reliability 0603 packaging green-yellow LED designed for industrial applications requiring wide temperature operation and durability. Its 20mA forward current and 130° viewing angle make it suitable for status indication in harsh environments. The component's 75mW power rating and 2V forward voltage require careful thermal management, while its industrial temp range (-55℃~+85℃) ensures longevity in challenging conditions. Proper soldering techniques and ESD protection are critical for maintaining performance in consumer and automotive applications.
Reference Pricing
Reference Stock
Specifications
| Forward Current | 20mA |
| Forward Voltage | 2.0V - 2.4V |
| Lifetime | 1000HRS (-24HRS,+72HRS) |
| Luminous Color | WaterClear |
| Luminous Efficiency | 71.0 mcd |
| Operating Temperature Range | -55℃to+85℃ |
| Package Material | InGaN Dice Chip LED Package |
| Package Type | 0603 |
| Radiation Angle | 130 deg |
| Rated Voltage | 2.0V - 2.4V |
Function And Role
Core Function
LED indication with colorless transparent lens for visible light emission
Key Characteristics
- 20mA forward current
- 35mcd luminous intensity
- 567.5nm~576.5nm dominant wavelength
- 130° viewing angle
- 75mW power rating
- 2V forward voltage
- -55℃~+85℃ operating temperature range
Application Domains
Basic Scenarios
- Appliance status indicators
- Consumer electronics power indicators
- Instrumentation panel lighting
Extended Scenarios
- Medical device warning lights
- Automotive interior lighting
- Industrial control panel indicators
Precautions
| Soldering | Use fine pitch soldering techniques for 0603 packaging |
| Current Limit | Max 20mA continuous current |
| Voltage Limit | Forward voltage must not exceed 2.1V |
| Thermal Management | Thermal resistance requires 10-15°C/W |
| Storage | Store in dry environment below 85% RH |
| Risk Warnings |
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Alternative Model Params
- Forward current (18-22mA)
- Wavelength range (565-580nm)
- Viewing angle (120-140°)
- Voltage (1.8-2.2V)
- Operating temp (-40℃~+90℃)
Design Recommendations
| Layout | Place 10mm away from heat sources |
| Thermal | Use thermal vias for heat dissipation |
| Compatibility | Verify with 2.0mm pitch PCBs |
| Testing | Test lifespan at 85% RH/40°C for 1000h |
Market Positioning
| Strengths |
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| Weaknesses |
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