5mm 12v Pre-wired Flickering / Candle Cool / Clear White LED - Ultra Bright

The 12v 5mm flickering cool / clear white pre-wired LED makes it almost the easiest way to add light nearly any project. They will begin flickering as soon as power is hooked up.

In stock

SKU
12V5MMFLICKERINGPREWIREDCOOLWHITE
Color
Cool / Clear White
Size
12v 5mm Flickering LED
$0.48

Description / 5mm 12v Pre-wired Flickering / Candle Cool / Clear White LED - Ultra Bright

The 5mm 12V Pre-Wired Flickering Cool White LED has a built-in candle-flicker IC that randomly varies brightness to simulate a realistic flame — no controller, no programming, no microcontroller needed. This candle flicker LED connects directly to 12V DC and produces an organic, non-repeating flicker pattern on its own.

Ships ready to install with approximately 6" (15cm) pre-wired leads, a built-in current-limiting resistor, and heat-shrink protected connections. Connect directly to 10V – 15V DC — no resistor math, no extra components.

Cool white flicker creates an icy or supernatural flame effect for science fiction and fantasy props.

How the flicker works: A tiny IC inside the LED randomly modulates current to produce a natural, non-repeating flicker pattern. Unlike PWM dimming or microcontroller code, the pattern never loops — each LED flickers independently. Place multiple flickering LEDs in the same scene and they will naturally drift out of sync, creating an organic, non-synchronized shimmer.

The 5mm head is the most popular size for candle and flame builds — fits standard 5mm LED holders and is the right scale for jack-o’-lanterns, candelabras, village buildings, and escape room torches.

Size5mm (T-1 3/4)
EffectRandom candle flicker — built-in IC, no controller needed
Operating Voltage10V – 15V DC (10V, 11V, 12V, 13V, 14V, and 15V)
LED Forward Voltage12-15v (Not recommended 15v Continuous)
Drive Current20mA typical
Brightness14,000-15,000mcd
Wireapproximately 6" (15cm) pre-wired leads, heat-shrink protected connections
ResistorBuilt-in — no external resistor needed

Popular builds

  • Halloween props: supernatural ice-flame effects, sci-fi energy cores, and fantasy prop lighting. Replaces disposable battery tea lights with a wired, permanent installation. Each LED flickers independently — use 2–3 together for a convincing multi-flame effect.
  • Model railroad and diorama fire scenes: stage ghost effects. 5mm head works at HO (1:87) and O (1:48) scale.
  • Christmas village displays: Fireplace glow for Department 56 and Lemax buildings, German-style Schwibbogen candle arch tips, nativity scene lanterns.
  • Theater and film props: Stage candelabras, period drama tavern sets, dungeon torch sconces. NFPA 160 prohibits real flames on stage — flickering LEDs in wax shells are the industry standard.
  • Escape room props: Altar candle scenes, dungeon torch wall sconces, mystical artifact glow. Wire into your 12V prop bus for all-night operation.
  • Flameless candle repair: Luminara, Homemory, Sterno Candle Lamp, and similar battery candles fail when the motor or circuit dies. A replacement flickering LED restores the effect at a fraction of the cost.

Pro tip: Use multiple flickering LEDs together for the most realistic effect — each runs independently, so they naturally drift out of sync.

Wiring

Red wire = positive (+). Black wire = negative (−). LEDs are polarity-sensitive — reversing the wires will not damage the LED, but it will not light.

Factory leads are approximately 6" (15cm) pre-wired leads of stranded wire with heat-shrink protected solder joints. To extend: strip ¼" of insulation, twist matching wires (red to red, black to black), solder, and cover with heat-shrink tubing.

Complete your build

Frequently Asked Questions

No. Flashing LEDs switch cleanly on and off at a fixed rate (1Hz, 2Hz, etc.). Flickering/candle LEDs randomly modulate brightness in an organic pattern that mimics a real flame. The effect is fundamentally different — shimmer vs. blink.
Yes — and that is the recommended approach. Each flickering LED runs its own independent random pattern, so they naturally drift out of sync over time. Two or three flickering LEDs together produce a much more convincing fire effect than a single LED.
Yellow is the most popular for traditional candle simulation. Orange produces the most realistic open-flame/torch look. Warm white is the best match for high-end commercial flameless candles. Red works for embers and coals. For the most realistic fire, layer orange (flame) over red (ember base).

DC power required: Animated LEDs (flashing, flickering, fading) require DC — they will not operate correctly on AC power. If you're working from a low-voltage AC source such as a model railroad transformer or DCC output, you must convert to DC first using a bridge rectifier.

Power SourceBridge Rectifier100µF Capacitor
DC power supplyNoNo
12V AC landscape transformer
Required
Required
DCC track power
Required
Required

Full wiring guide with circuit diagrams →

Sold individually (1 LED per quantity ordered).

PCB Design: KiCad footprint: LED_THT:LED_D5.0mm (built-in with KiCad). EasyEDA: search “LED_D5.0mm” 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 12v 5mm Flickering LED
Color Cool / Clear White
Animation Type Flickering / Candle
Operating Voltage 12-15v (Not recommended 15v Continuous)
Wire Length Approximately 15cm (6 inches)
Resistor Built In Yes
Additional Resistors Required No
Luminosity/Brightness 14,000-15,000 mcd
Forward Voltage 12-15v (Not recommended 15v Continuous)
Shrink Wrapped Connections Yes
Current 20mA
Wavelength N/A Cool / Clear White
Viewing Angle 20-30 Degrees
Mount Style Custom
Lens Color Clear
LED Brightness Class Super/Ultra/Extreme

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