1206 SMD Red - Ultra Bright LED

The 1206 SMD is a very small LED that is used in many types of today's popular electronics. The red 3216 LED color is bright and unmistakable.

In stock

SKU
1206SMDRED
Color
Red
Size
1206 SMD
$0.20
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Description / 1206 SMD Red - Ultra Bright LED

The 1206 Red SMD LED (3.2 × 1.6mm, metric 3216) is the largest and easiest surface-mount LED to hand-solder — generous pads, forgiving with tweezers, and compatible with SMD-to-DIP breadboard adapters. The best starting point if you’re new to SMD work. Red is the standard power-on and fault indicator color — immediately readable on any finished board.

Package1206 (3216 metric) — SMD surface mount
Forward Voltage1.8-2.2v
Brightness120mcd
Viewing Angle120 Degrees
LensClear
Drive Current20mA typical

The easiest SMD to hand-solder. Large pads, forgiving with tweezers, and compatible with SMD-to-DIP breadboard adapters.

Common uses:

  • Automotive instrument cluster repair — some 1990s–2000s vehicles use 1206 indicators on cluster PCBs
  • Model railroad DCC decoder lighting — hand-soldering friendly for adding headlights and function LEDs to decoders (SBS4DCC community)
  • Eurorack synthesizer and audio electronics — indicator LEDs on modular synth panels and audio PCBs
  • Student and beginner SMD projects — the forgiving pad size makes this ideal for learning reflow and hand-soldering techniques
  • Gaming console and controller modding — status indicator mods and accent lighting
Resistor quick reference (20mA):
SupplyResistorRating
5V150Ω1/4W
9V360Ω1/4W
12V510Ω1/4W
15V*680Ω1/2W
18V820Ω1/2W

*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).

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: 0805 (smaller)

Sold individually (1 LED per quantity ordered).

PCB Design: KiCad footprint: LED_SMD:LED_1206_3216Metric (built-in with KiCad). EasyEDA: search “LED_1206_3216Metric” 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 1206 SMD
Color Red
Luminosity/Brightness 120 mcd
Forward Voltage 1.8-2.2v
Current 20mA
Wavelength 625-630 nm
Viewing Angle 120 Degrees
Mount Style SMD (Surface Mount Diode)
Lens Color Clear
LED Brightness Class Super/Ultra/Extreme
Documentation Link Documentation: 1206 SMD Red - Ultra Bright LED Datasheet / Specifications

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