LED Application Scenarios: Why Through-Hole LEDs Still Win the Job
Surface-mount may dominate the headlines, but through-hole LEDs remain the backbone of displays, appliances and stage fixtures — anywhere a rugged, bright, easily hand-mounted lamp is needed. In this article we spotlight one concrete through-hole model and show how Lanjin supports global buyers as a full-range China through hole led distributor.
Featured Model: 5 × 4 × 6 mm Oval Through Hole LED
The 5 × 4 × 6 mm oval through-hole LED is a diffused 546-style lamp built for display screens and status lighting. Its tall oval lens produces a wide, even beam across red, green, blue, yellow-green, yellow, orange and white — all driven at just 20 mA. Well-known brand chips and gold-wire bonding keep brightness consistent from batch to batch.
| Parameter |
Value (5 × 4 × 6 mm Oval Through Hole LED) |
| Colours | Red / Green / Blue / Yellow-Green / Yellow / Orange / White |
| Wavelength / CCT | 620–630 / 520–530 / 466–472 / 568–576 / 584–596 / 600–610 nm · 2800–12000 K |
| Luminous Intensity | Up to 8000 mcd (white) |
| Forward Voltage | 1.8–2.3 / 2.8–3.3 V |
| Drive Current | 20 mA |
| Viewing Angle | 30° |
| Lens / Size | Diffused · 5 × 4 × 6 mm |
| Packing / Compliance | 500 pcs / bag · RoHS |
Where It Shines: Application Scenarios
- LED display screens: wide, uniform pixels for indoor displays.
- Home appliances & office equipment: clear status and panel indication.
- Industrial controls: robust signalling in automation and telecom gear.
- Automotive & traffic: lamps and traffic-light assemblies.
- Stage & decorative lighting: colourful accent and entertainment effects.
A Full Through-Hole Range for Global Buyers
Beyond this oval lamp, the line covers round, oval, straw-hat, helmet, square, flat-top, bullet, concave and rectangle shapes, in 3 mm, 5 mm, 8 mm and 10 mm sizes. That breadth is why overseas importers choose Lanjin as a dependable China through hole led exporter — one partner for indicator lamps, bi-colour and RGB versions, high-brightness and anti-static variants, all with low-power consumption and long life.
Related Line: Multifunctional Yellow LED Diode
For amber and signalling duties, count on the China multifunctional yellow led diode manufacturers supply chain that Lanjin anchors — from the 5 mm diffused yellow through-hole lamp (584–596 nm, multifunction, 80–160°) to compact 0805 / 1206 yellow SMD diodes. These parts suit indicators, license-plate lamps, displays and decorative amber accents.
About Dongguan Lanjin Optoelectronics Co., Ltd.
All products are manufactured by 东莞市蓝晋光电有限公司 (Dongguan Lanjin Optoelectronics Co., Ltd.), established in 2005. From a 2,500 m² plant with a purification, constant-temperature and constant-humidity anti-static workshop, the company produces SMD LED, through-hole LED, LED displays and LED PCB assembly. Lanjin is ISO9001:2015 certified with two national invention patents and twelve practical new-type patents, exporting worldwide under the motto “LED light the world, Lanjin lights your life!”
Sampling & Order Support
- Free samples for low-value items; buyers cover freight.
- Custom colours, lenses and OEM/ODM service available.
- Worldwide delivery via DHL, UPS, FedEx or TNT in 3–7 days.
Takeaway: for wide-angle display and indicator duty choose the 5 × 4 × 6 mm oval through-hole LED, complete the design with a multifunctional yellow LED diode, and source everything from one China through hole LED distributor and exporter.
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