551-3009F – Compact LED Indicator by Dialight for PCB Status Signaling

The LED Circuit Board Indicators 551-3009F by Dialight provide a reliable, energy-efficient visual status indicator for a wide variety of printed circuit board (PCB) applications. With a compact housing, high-visibility green LED, and easy-through-hole mounting, this component is ideal for embedded systems, control panels, and instrumentation boards where clear status feedback is essential.

In this blog, we’ll explore its technical specs, key benefits, typical use cases, installation instructions, and how to buy or download the datasheet from Xon Electronics.

Technical Specifications of 551-3009F

• Manufacturer: Dialight

• Part Number: 551-3009F

• Type: LED Circuit Board Indicator

• LED Color: Green

• Mounting Type: Through-Hole

• Lens Type: Diffused

• Lens Style/Size: Round with domed top, 3mm

• Voltage Rating: 2.1V (typical)

• Current Rating: 20mA

• Package Configuration: Single LED, 2 leads

• Category: Optoelectronics, LED Circuit Board Indicators by Dialight

The 551-3009F LED Circuit Board Indicators by Dialight deliver superior visibility, durability, and easy integration into both low- and high-volume designs.

Key Features of 551-3009F

• High-Efficiency Green LED – Excellent visibility at low current

• Diffused Lens Design – Provides a soft, even glow for easy status reading

• Standard 3mm Package – Fits most through-hole layouts

• Durable Plastic Housing – Ensures long life and mechanical strength

• RoHS Compliant – Environmentally safe and globally accepted

These features make LED Circuit Board Indicators by Dialight ideal for status indication in power systems, instrumentation, and user interfaces.

Applications of 551-3009F Indicator

• Power ON/OFF Indicators

• Fault or Warning Lights

• Data Transmission Status

• Embedded System Diagnostics

• Consumer Electronics Feedback Lights

From control panels to PCBs in compact devices, the 551-3009F LED Circuit Board Indicators by Dialight are perfect for delivering fast, clear feedback to users and technicians.

Installation Guidelines

Here’s how to install and operate the 551-3009F LED:

[Step 1] Insert the LED leads into the PCB according to polarity (long lead is anode)
[Step 2] Solder in place using standard through-hole reflow methods
[Step 3] Connect a current-limiting resistor in series (typically 330O for 5V systems)
[Step 4] Power on the board and confirm light output
[Step 5] Mount lens flush or slightly raised for best visibility

Thanks to its compact and durable design, LED Circuit Board Indicators by Dialight ensure straightforward integration into dense circuit layouts.

Use Case Scenario – Visual Feedback for Embedded Devices

Scenario: A design engineer needed a reliable status LED for an embedded microcontroller system operating on 3.3V and 5V rails.

Problem: Surface-mount LEDs were too fragile and difficult to rework during prototyping.

Solution: The 551-3009F LED Circuit Board Indicators by Dialight provided a sturdy, easy-to-install option with clear visibility.

Result: Faster prototyping, better durability, and successful deployment in the final product.

This illustrates why LED Circuit Board Indicators by Dialight are trusted in production and development environments alike.

Download Datasheet for 551-3009F

Need voltage-current curves, PCB footprint, or brightness ratings?

[Download 551-3009F Datasheet from Xon Electronics]

Why Buy from Xon Electronics?

Xon Electronics offers a full range of LED Circuit Board Indicators by Dialight, including the 551-3009F:

• 100% Genuine Dialight Components
• Global Shipping – USA, India, Australia, Europe & more
• In-Stock for Immediate Dispatch
• Technical Assistance for Integration
• Safe, Easy, and Secure Checkout

Buy today from www.xonelec.com and upgrade your visual indicators with Dialight reliability.

Conclusion

The 551-3009F LED Circuit Board Indicators by Dialight offer dependable signal visibility, long operational life, and easy through-hole mounting for any electronics application. Compact, efficient, and globally trusted, LED Circuit Board Indicators by Dialight are a perfect fit for engineers seeking quality and performance—now available worldwide at Xon Electronics.

FAQs – 551-3009F Dialight Indicator

Q1. What color is the LED?
Green.

Q2. Is this a surface mount or through-hole component?
Through-hole.

Q3. What voltage does it operate at?
Typically 2.1V at 20mA.

Q4. Can I use it in embedded systems?
Yes, it's perfect for microcontroller and logic-level circuits.

Q5. Is it available globally?
Yes, at www.xonelec.com with shipping to USA, India, Australia, Europe, and more.

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L-56BID Optoelectronics LED Lighting LED Emitters by Kingbright – USA, India & Global Supply

The L-56BID Optoelectronics LED Lighting LED Emitters is a high-efficiency LED component manufactured by Kingbright, designed for through-hole mounting in various lighting and indication applications. This LED emitter is part of the L-56BID Standard LEDs - Through Hole by Kingbright, offering superior performance, energy efficiency, and reliability. Widely used in consumer electronics, automotive dashboards, industrial equipment, and communication devices, this LED emitter ensures clear visibility and long operational life.

At Xon Electronics, we supply L-56BID Standard LEDs - Through Hole by Kingbright to customers in the USA, India, Europe, Australia, and worldwide.

We provide a comprehensive breakdown of the L-56BID Optoelectronics LED, including specifications, features, applications, circuit integration, real-world use scenarios, and trusted sources for purchasing.

Kingbright L-56BID Overview

The L-56BID Standard LEDs - Through Hole by Kingbright are designed for maximum light output in compact form factors. Featuring a round 5mm diameter lens and diffused light emission, these LEDs are perfect for applications that require clear on/off signaling or backlighting.

Technical Specifications:

• Product Type: Through-Hole LED Emitter

• Part Number: L-56BID

• Lens Type: Diffused

• Mounting Style: Through Hole

• Wavelength: 660 nm (Red)

• Forward Voltage: 1.85V (typical)

• Forward Current: 20 mA

• Viewing Angle: 60°

• Package Size: 5mm

• RoHS Compliant: Yes

• Manufacturer: Kingbright

These LEDs offer outstanding brightness, thermal stability, and are ideal for use in diverse lighting and indication systems.

Key Features of Kingbright L-56BID LED

1. High Luminous Intensity

   • The LED offers a bright red output at 660 nm wavelength, making it ideal for high-visibility indicators.

2. Diffused Lens for Uniform Light

   • The diffused 5mm lens ensures even light distribution and glare reduction in display panels and indicators.

3. Low Power Consumption

   • With a forward current of just 20 mA, it delivers high efficiency while minimizing energy usage.

4. Robust Through-Hole Mounting

   • Built for easy PCB integration, the L-56BID Standard LEDs - Through Hole by Kingbright ensures strong physical attachment and electrical stability.

5. RoHS Compliance

   • Fully compliant with environmental standards, making it a responsible choice for modern electronics.

Applications of L-56BID Optoelectronics LED Emitters

1. Consumer Electronics

   • Ideal for power indicators, signal displays, and status lights in remote controls, TVs, and gaming devices.

2. Industrial Equipment

   • Used for control panels, machine status indicators, and visual alarms.

3. Automotive Dashboards

   • Red indicators provide clear status alerts for users in dashboards and interior systems.

4. Medical Devices

   • Serves as visual indicators in diagnostic and monitoring equipment.

5. Communication Devices

   • Used in base stations and handheld communication devices for functional status feedback.

Circuit Integration for L-56BID LED

In typical applications, the L-56BID Standard LEDs - Through Hole by Kingbright is connected in series with a current-limiting resistor to maintain a safe forward current. The diffused lens ensures visible output from different viewing angles, making it optimal for front-panel indicators and backlit symbols.

Use Case Scenario: Red Indicator in an Industrial Control Panel

Scenario: A manufacturing unit needs a reliable visual signal on its control panel for machine error states.

Implementation:

• Engineers select the L-56BID Standard LEDs - Through Hole by Kingbright for its bright red output and easy through-hole mounting.

• It is wired through a resistor and driven by a PLC output.

• Its 60° viewing angle ensures visibility across the panel workspace.

Benefits:

• Quick visual identification of machine status

• Reliable performance under continuous operation

• Easy replacement and standard footprint

Where to Buy the L-56BID LED?

You can purchase the L-56BID Standard LEDs - Through Hole by Kingbright at Xon Electronics, a trusted distributor of Kingbright products and optoelectronic components. We ship globally to customers in the USA, India, Europe, and more.

Conclusion

The L-56BID Optoelectronics LED Lighting LED Emitters by Kingbright deliver superior brightness, energy efficiency, and integration flexibility. Whether you're working on industrial panels, consumer devices, or automotive applications, these LEDs offer a robust and efficient solution. Choose the L-56BID Standard LEDs - Through Hole by Kingbright from Xon Electronics and power your designs with confidence.

FAQs: L-56BID Standard LEDs - Through Hole by Kingbright

1. What is the wavelength of the L-56BID LED?

• It emits red light at a wavelength of 660 nm.

2. What type of lens does the L-56BID feature?

• A diffused 5mm round lens that ensures uniform light emission.

3. What is the current and voltage rating?

• Typical forward voltage is 1.85V with a 20 mA forward current.

4. Is this LED suitable for outdoor use?

• While it can be used outdoors in enclosures, it’s primarily designed for indoor applications.

5. Where can I buy the L-56BID Standard LEDs - Through Hole by Kingbright?

• You can order directly from Xon Electronics, with international shipping available.