5mm Straw Hat Wide Angle UV / Purple LED - Ultra Bright

The 5mm straw hat uv / purple led is one of the most popular wide angle leds available.

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SKU
5MMSTRAWHATLEDPURPLE
Color
UV / Purple
Size
5mm Straw Hat
$0.30
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Description / 5mm Straw Hat Wide Angle UV / Purple LED - Ultra Bright

The 5mm Straw Hat UV Purple LED delivers a 120-150 Degrees viewing angle from a low-profile, flat body — the widest beam of any standard non-concave DIP LED. Where round-top LEDs focus light into a narrow forward cone, the straw hat floods a wide area below and to the sides. This makes it the natural choice for area lighting in models, displays, and any build where you need light to spread rather than focus.

Size5mm Straw Hat (4.8mm body width)
Forward Voltage3.0-3.4v
Brightness2,000-2,500mcd
Viewing Angle120-150 Degrees
LensClear
PackageStraw Hat / Wide Angle through-hole DIP
Drive Current20mA typical

Why straw hat?

A standard round-top 5mm LED concentrates its output into a 15–30 degree cone. The straw hat spreads that same output across 120-150 Degrees. Think of it as flood vs. spot: the straw hat floods a wide area with even light, while a round-top spotlights a single point. Neither is “better” — they serve different purposes.

Common applications

  • Model railroad streetlamps and area lighting: blacklight/UV effects (escape rooms. Mount inverted inside a lamppost housing and the wide beam floods a realistic pool of light at ground level. One straw hat replaces 2–3 round-tops for the same coverage area. Scales: HO (1:87), N (1:160).
  • Christmas village and holiday displays: haunted houses. The wide angle means one LED lights up an entire miniature building interior.
  • Automotive gauge cluster backlighting: The wide beam provides even illumination behind gauge faces without hotspots — same principle as flat top LEDs but with an even wider spread.
  • Architectural models: Interior room lighting for presentation models. The wide angle fills rooms evenly at 1:100 and 1:200 scale.
  • Cosplay and prop lighting: Behind translucent armor panels, inside helmet visors, under frost-effect prop surfaces. The wide spread creates an even glow without visible point sources.
  • Aquarium moonlighting: Blue or purple straw hats provide soft lunar simulation — the wide angle avoids creating a visible bright spot on the substrate.
  • LED throwies and art installations: The wide angle means each light point is visible from nearly any position in the room — ideal for magnetic art pieces and guerilla lighting.

Fits standard 5mm LED holders, bezels, and panel-mount clips.

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

A straw hat LED has a flat, wide body that spreads light at 120-140 degrees — about 4-5x wider than a standard round top (15-30 degrees). Think of it as flood vs. spot: straw hat floods a wide area; round top spotlights a single point.
Yes. The ultra-wide viewing angle makes straw hat LEDs excellent for DIY string light projects, fairy light builds, and decorative lighting where you want even light spread in all directions. The omnidirectional glow is ideal for lanterns, marker lights, and diffused accent lighting.

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.

Sold individually (1 LED per quantity ordered).

About this purple LED: This LED produces a synthetic purple/violet glow and may have a slight pinkish hue. It does not emit true ultraviolet light and will not activate fluorescent materials, invisible inks, or UV-reactive paints. For genuine UV/blacklight effects, use our clear-lens UV LEDs which output at 395–405nm.
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 5mm Straw Hat
Color UV / Purple
Luminosity/Brightness 2,000-2,500 mcd
Forward Voltage 3.0-3.4v
Current 20mA
Wavelength 395-405nm
Viewing Angle 120-150 Degrees
Mount Style Through Hole (DIP)
Lens Color Clear
LED Brightness Class Super/Ultra/Extreme
Documentation Link Documentation: 5mm Straw Hat Wide Angle UV / Purple LED - Ultra Bright Datasheet / Specifications

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