Professional IC Distribution & Technical Solutions

Manufacturer: LEDBRIGHT

Model: BS-C555RI

Specifications:

• Type: LED Indicator
• Color: Red
• Lens Type: Diffused
• Voltage Rating: 2V (typical forward voltage)
• Current Rating: 20mA (max forward current)
• Luminous Intensity: 5-10 mcd (typical)
• Viewing Angle: 30°
• Mounting Type: Through-Hole
• Lead Spacing: 2.54mm (standard)
• Operating Temperature Range: -30°C to +85°C
• Material: Epoxy resin

Descriptions:

The BS-C555RI is a standard red diffused LED indicator designed for general-purpose applications. It features a low power consumption and long lifespan, making it suitable for status indication in electronic circuits.

Features:

• High Visibility: Bright red diffused light output.
• Low Power Consumption: Operates efficiently at low voltage and current.
• Durable Construction: Epoxy resin encapsulation for protection.
• Wide Compatibility: Standard through-hole mounting for easy PCB integration.
• Reliable Performance: Stable operation across a broad temperature range.

(Note: Verify exact specifications with the manufacturer's datasheet, as values may vary slightly.)

# Technical Analysis of the BS-C555RI LED Component

## Practical Application Scenarios

The BS-C555RI, manufactured by LEDBRIGHT, is a high-efficiency surface-mount LED designed for applications requiring reliable illumination with low power consumption. Its key characteristics—such as a compact form factor, high luminous intensity, and wide operating temperature range—make it suitable for diverse use cases:

1. Automotive Lighting

The BS-C555RI is commonly used in dashboard backlighting, indicator lights, and interior ambient lighting due to its stable performance under varying voltage conditions (typically 2.0V–3.4V forward voltage). Its resistance to thermal fluctuations ensures longevity in automotive environments.

2. Consumer Electronics

This LED is ideal for backlighting in LCD displays, keypads, and status indicators in devices like smartphones, wearables, and home appliances. Its low current consumption (20mA typical) aligns with energy-efficient design requirements.

3. Industrial Control Systems

The component’s robustness against electrical noise and vibration makes it suitable for machinery status indicators, control panel illumination, and safety lighting in harsh industrial settings.

4. Medical Devices

Due to its consistent brightness and minimal heat emission, the BS-C555RI is used in diagnostic equipment displays and handheld medical tools where precision and reliability are critical.

## Common Design-Phase Pitfalls and Avoidance Strategies

1. Thermal Management Oversights

*Pitfall:* Excessive current or poor PCB thermal design can lead to premature LED degradation.

*Solution:* Implement proper heat dissipation via copper pours or thermal vias. Adhere to the manufacturer’s recommended forward current (30mA absolute maximum).

2. Inconsistent Forward Voltage Matching

*Pitfall:* Variations in forward voltage across parallel-connected LEDs can cause uneven brightness.

*Solution:* Use current-limiting resistors for each LED or employ a constant-current driver to ensure uniform illumination.

3. ESD Sensitivity

*Pitfall:* The BS-C555RI is susceptible to electrostatic discharge (ESD), risking failure during handling or assembly.

*Solution:* Follow ESD protection protocols, including grounded workstations and anti-static packaging during installation.

4. Optical Misalignment

*Pitfall:* Improper placement can lead to uneven light distribution in applications like display backlighting.

*Solution:* Use precision pick-and-place machines during assembly and verify alignment with optical testing.

## Key Technical Considerations for Implementation

1. Electrical Parameters

• Forward Voltage (Vf): 2.0V–3.4V (varies by binning)
• Maximum Continuous Current: 30mA
• Reverse Voltage: 5V (absolute maximum)

2. Optical Performance

• Luminous intensity ranges from 500–1200 mcd, depending on the selected bin.
• Viewing angle: 120° for diffuse applications, narrower angles available in alternate models.

3. Environmental Durability

• Operating Temperature: -40°C to +85°C
• Moisture Sensitivity Level (MSL): 3 (requires baking if exposed beyond 168 hours)

4. PCB Design Recommendations