3mm LED Diode with 53mm Long Pins – Extended-Lead Indicator for Deep Panel & Custom Mounting

The 3mm LED diode with 53mm long pins is engineered for applications requiring exceptional installation reach, mechanical flexibility, and reliable illumination. Unlike standard 3mm LEDs with short terminals, this enhanced version features extra-long 53mm leads, making it ideal for deep enclosures, offset PCB mounting, panel-through assembly, and custom wiring layouts.

Manufacturers, electronics engineers, and equipment designers prefer this LED for its durability, easy handling, and consistent optical performance in both industrial and consumer devices. Whether used for front-panel status indication or specialty prototyping, this LED provides a powerful combination of compact size, long-lead convenience, and dependable brightness.

⭐ Key Features

1. Classic 3mm LED Package

The compact 3mm LED diode format ensures:

• Space-efficient installation

• High visibility in small indicator windows

• Compatibility with standard panel mounts and LED holders

Its rounded lens produces uniform, clean illumination.

2. Extra-Long 53mm Pins

The defining feature—53mm long pins—offers unmatched assembly versatility:

• Easily passes through extra-thick metal or plastic panels

• Works well in multi-layer PCB structures

• Allows precise manual bending for customized placement

• Ideal for reaching deep-mounted PCBs inside equipment housings

These long terminals eliminate the need for additional wire extensions or solder splicing.

3. Multiple Lens Options

Available lenses include:

• Water-clear (maximum brightness)

• Diffused (soft, wide-angle illumination)

• Colored clear (enhanced color recognition)

Engineers can match lens type to indicator function and viewing environment.

4. High Brightness With Low Power

Built using quality LED chips delivering:

• Strong luminance output

• Ultra-low current requirements

• Compatibility with digital ICs, microcontrollers, and low-voltage circuits

Perfect for battery-driven devices and efficient electronics.

5. Mechanically Robust Construction

The LED body is molded using:

• Epoxy resin for impact and heat resistance

• Corrosion-protected extended pins

• Reinforced internal bonding wires

Designed for stable performance in demanding usage environments.

6. Fully ROHS-Compliant

Safe for international export and suitable for eco-friendly product development.

⭐ Applications

The 3mm LED diode with 53mm long pins is designed for installations requiring extra reach, deep-panel mounting, and complex mechanical layout.

✔ Industrial Machinery & Control Panels

• Status indication

• Signal lights

• Safety and error indicators

Long pins easily extend through thick front panels or protective enclosures.

✔ Telecom & Networking Hardware

• Port status LEDs

• Switchgear indicators

• Multi-layer chassis designs

✔ Consumer Electronics

• Home appliance displays

• Audio equipment

• Power, mode, and activity indicators

✔ Automotive & Vehicle Electronics

• Dashboard add-ons

• Console-mounted indicators

• Custom lighting modules

✔ Prototyping & Engineering Labs

Ideal for:

• Breadboards

• Experimental layouts

• Adjustable LED alignment

• Teaching labs

The extended pins are easy to bend and reposition without damage.

⭐ Benefits & Advantages

✔ Extreme Mounting Flexibility

53mm is one of the longest pin lengths available for a 3mm LED, enabling:

• Deep and thick panel penetration

• Offset mounting far from the PCB

• Integration into mechanical housings with difficult geometry

✔ Better Heat Dissipation

Extended leads help disperse heat away from the LED junction for improved longevity.

✔ Easier Manual Assembly

Extra-long pins are:

• Easier to grip

• Easier to solder

• Less prone to breakage during shaping

Ideal for technicians and assembly line workers.

✔ Exceptional Reliability

The LED maintains stable brightness and long operational life even under:

• Vibration

• Temperature fluctuations

• Continuous duty cycles

✔ Perfect for Low-Current Circuits

Maintains visibility while consuming minimal power.

⭐ Case Study: Industrial Electronics Manufacturer

A U.S. manufacturer of large industrial controllers required LEDs to pass through 30–40mm steel and plastic panel assemblies. Standard LEDs did not reach the surface, causing assembly delays and wiring complications.

Switching to the 3mm LED diode with 53mm long pins delivered key improvements:

• Eliminated the need for custom wiring extensions

• Reduced assembly time by 35%

• Achieved perfect LED alignment through all housing layers

• Improved reliability due to fewer solder joints

The redesign significantly streamlined their production workflow and reduced long-term maintenance issues.

⭐ User Testimonials

Electronics Technician – USA
«The 53mm long leads are a game changer. They bend cleanly and stay in position without cracking.»

Panel Equipment Manufacturer – UK
«We needed LEDs that could reach through very thick surfaces. These were perfect — bright, strong, and easy to assemble.»

Prototype Developer – Canada
«Ideal for breadboards and custom designs. The long pins make experimentation fast and simple.»

⭐ Conclusion

The 3mm LED diode with 53mm long pins is the ideal solution for applications requiring extended reach, high reliability, and excellent optical performance. Its compact body, long leads, and robust construction make it perfect for industrial control systems, telecommunications, appliances, prototyping, and more.

If you need a small LED with extra-long pins for deep or complex mounting, this model delivers unmatched convenience and performance.

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