HLMP-D401 Overview
The HLMP-D401 is a high-intensity LED indicator designed for industrial and electronic equipment applications. Offering reliable illumination with a tightly controlled wavelength and luminous intensity, this device ensures consistent performance in a variety of environments. Its robust construction and efficient electrical characteristics make it suitable for status indication and visual signaling in control panels, machinery, and instrumentation. Engineers and sourcing specialists can rely on its stable output and long operational life, making it a practical choice for demanding industrial systems. For more detailed specifications and purchasing options, visit IC Manufacturer.
HLMP-D401 Technical Specifications
| Parameter | Specification |
|---|---|
| Device Type | Indicator LED |
| Color | Red |
| Wavelength | 660 nm |
| Forward Voltage (VF) | 1.9 V (typical at 20 mA) |
| Forward Current (IF) | 20 mA (maximum continuous) |
| Luminous Intensity | 4.0 mcd (minimum at 20 mA) |
| Viewing Angle | 15 degrees |
| Operating Temperature Range | -40??C to +85??C |
| Package Style | Standard T-1 3/4 (5 mm) epoxy lens |
HLMP-D401 Key Features
- High luminous intensity: Ensures clear visibility even in brightly lit industrial environments, improving operator response times.
- Narrow viewing angle: Focused light output reduces stray light, enhancing signal clarity and reducing interference with adjacent indicators.
- Wide operating temperature range: Enables use in harsh environments without performance degradation, ensuring long-term reliability.
- Low forward voltage requirement: Optimizes power consumption, contributing to energy-efficient system designs.
HLMP-D401 Advantages vs Typical Alternatives
This LED indicator offers superior luminous intensity and a precise wavelength compared to many generic alternatives. Its narrow viewing angle improves signal accuracy by limiting light dispersion. Additionally, the device??s robust thermal tolerance and low forward voltage enhance system reliability and reduce power consumption, making it a preferred choice for industrial signaling applications where consistent performance and durability are critical.
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Typical Applications
- Industrial control panels: Provides clear, reliable visual status indication for machinery and process control systems, enhancing operator awareness and safety.
- Instrumentation: Ideal for signaling operational states in measurement and diagnostic equipment requiring precise, visible indicators.
- Telecommunications equipment: Used for status displays and fault indicators in network hardware.
- Consumer electronics: Suitable for use as power-on or status indicators in devices requiring compact, efficient LED indicators.
HLMP-D401 Brand Info
This product is part of a comprehensive line of LED indicators known for quality and consistency in industrial electronics. Manufactured by a leading semiconductor firm, the HLMP-D401 embodies rigorous design standards and reliability testing. The brand emphasizes durability and performance, ensuring the device meets stringent industrial requirements. Its established presence in the market reflects a commitment to providing dependable visual signaling solutions for engineers and system integrators worldwide.
FAQ
What is the typical forward voltage of this LED indicator?
The typical forward voltage is approximately 1.9 volts at a forward current of 20 milliamps. This low voltage requirement helps minimize overall power consumption in circuit designs.
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Can the HLMP-D401 operate in extreme temperature conditions?
Yes, it is rated for operation within a temperature range of -40??C to +85??C, making it suitable for use in harsh industrial and outdoor environments without loss of performance.
What is the viewing angle and why is it important?
The device has a viewing angle of 15 degrees, which means its light output is focused and directional. This helps reduce light spillover and increases the visibility of the indicator in specific viewing zones.
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Is this LED suitable for continuous operation?
Absolutely. The maximum continuous forward current rating is 20 mA, enabling stable, long-term operation for continuous status indication applications.
What package type does this LED come in?
The indicator is housed in a standard T-1 3/4 (5 mm) epoxy lens package, which is widely compatible with various mounting and assembly processes in industrial electronics.




