10mm Round Top Cool / Clear White LED - Ultra Bright

The 10mm cool / clear white led has many great uses.

In stock

SKU
10MMROUNDTOPLEDCOOLWHITE
Color
Cool / Clear White
Size
10mm Round Top Clear
$0.45
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Description / 10mm Round Top Cool / Clear White LED - Ultra Bright

The 10mm Cool White LED (Round Top, Clear) is the standard through-hole LED for general-purpose illumination, Christmas lights, flashlight builds, Arduino indicators, model railroad station lighting. Clear lens with a focused 20-30 Degrees beam — bright and directional, the classic DIP LED that fits every breadboard, panel bezel, and holder on the market.

The 10mm (T-3¼) head is the largest standard DIP LED — visible from a distance, designed for panel-mount bezels, G-scale model railroad, and any application where the LED needs to command attention.

Size10mm (T-3 1/4)
Forward Voltage3.0-3.4v
Brightness12,000-14,000mcd
Viewing Angle20-30 Degrees
LensClear — focused beam
PackageT-3 1/4 through-hole DIP
Drive Current20mA typical

Common applications

  • Christmas light replacement: Cool white LEDs as replacements for burnt-out C7/C9 string bulbs — brighter, cooler running, and longer lasting than incandescent.
  • General illumination: Flashlight builds, task lighting, work area indicators. Cool white provides maximum perceived brightness.
  • Model railroad platform and commercial structures: Cool white simulates modern fluorescent/LED lighting in stations, warehouses, and commercial buildings.
  • Arduino and electronics: The standard white LED for breadboard prototyping, demo circuits, and indicator builds.
  • Photography and video: DIY ring lights, macro illumination panels, camera tally indicators.

Standard T-3 1/4 through-hole footprint. Fits all 10mm LED holders, bezels, and panel-mount clips. Add a current-limiting resistor matched to your supply voltage — see our LED Resistor Calculator for the exact value.

Need a wider beam? See our Diffused LEDs for soft glow applications.

Resistor quick reference (20mA):
SupplyResistorRating
5V100Ω1/4W
9V300Ω1/4W
12V470Ω1/4W
15V*620Ω1/2W
18V750Ω1/2W

*Use 15V instead of 12V for vehicle/alternator sources to account for charging voltage (13.8–14.4V).

Full LED Resistor Calculator → for other voltages, series strings, and parallel configurations. Or skip the math with our 20mA Current Limiter (2–45V DC).

Frequently Asked Questions

Yes. Standard LEDs require a current-limiting resistor matched to your power supply voltage. Use our LED Resistor Calculator at /blog/led-resistor-calculator.html to find the exact value.
Clear lens LEDs produce a focused, directional beam (15-30 degrees) — bright when viewed head-on. Diffused lens LEDs scatter light evenly for a soft glow visible from all angles. Use clear for signals and indicators; use diffused for ambient lighting and props where the LED is visible.
Yes. Connect through a current-limiting resistor (typically 220-330 ohm for 5V) to any digital output pin. The LED Resistor Calculator can help you find the exact value for your setup.

DC power recommended: LEDs are designed for DC. Running on AC will cause flickering and reduce lifespan. If you're using a low-voltage AC source — such as a model railroad transformer output or DCC track voltage — convert it to DC first with a bridge rectifier.

Also available: 8mm (smaller)

Sold individually (1 LED per quantity ordered).

PCB Design: KiCad footprint: LED_THT:LED_D10.0mm (built-in with KiCad). EasyEDA: search “LED_D10.0mm” in the built-in library. Download KiCad files ↓

Specifications are sourced from manufacturer data and may be updated without notice. While we work to keep product information accurate, always verify critical parameters against the manufacturer's datasheet for production designs. Found an error or discrepancy? Let us know — we genuinely appreciate the correction.

More Information

Size 10mm Round Top Clear
Color Cool / Clear White
Luminosity/Brightness 12,000-14,000 mcd
Forward Voltage 3.0-3.4v
Current 20mA
Wavelength N/A Cool / Clear Whtie
Viewing Angle 20-30 Degrees
Mount Style Through Hole (DIP)
Lens Color Clear
LED Brightness Class Super/Ultra/Extreme
Documentation Link Documentation: 10mm Round Top Cool / Clear White LED Datasheet / Specifications

Customer Images

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Customer Reviews

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As described. fast shipping. packaged well. thanks.
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Fast shipping, good packing, recommend thanks a++++
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Fast shipping, good packing, recommend thanks a++++
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Arrived on time. LED s were very bright and work perfectly.
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Arrived on time. LED s were very bright and work perfectly.
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High quality products, excellent service, great pricing,...
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High quality products, excellent service, great pricing, and fast shipping. Thank you.
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As Advertised, Fast Shipping, Great Packaging, Great Communications

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