8mm Round-Head Bi-Color LED
8mm Round-top Dual-color LEDs - Hongcheng Optoelectronics LED Manufacturer
Product Overview:
The 8MM round-top LED is a large through-hole light-emitting diode with an approximately 8mm-diameter round lens package. It offers a large emitting area, high brightness, concentrated output and good long-distance visibility.
Key Advantages:
- 8MM large round-head package with a large emitting area
- Top lens emission with high brightness and good visibility
- Two-lead through-hole structure for easy installation
- Available in red, yellow, green, blue, white, orange and purple
- Clear, diffused and tinted encapsulants available
- Single-color, dual-color, RGB and flashing versions available
- Custom brightness, wavelength, viewing angle and lead length available
Applications:
- Industrial equipment, instruments and large panels
- Warning lights, alarms and security equipment
- Advertising signage, light boxes and decorative lighting
- Gaming equipment
- Traffic facilities and status indication devices
- Home appliances, audio equipment and stage lighting equipment
Product Features:
Chip: Grade A chips from leading brands in Taiwan and mainland China provide stable brightness and good color consistency, with brightness and wavelength binning available.
Gold wire: 99.99% pure gold wire bonding provides good electrical conductivity and strong, reliable bonds.
Encapsulant: High-quality epoxy resin offers good light transmission, well-defined light focusing and heat resistance, and resists yellowing.
Lead frame: High-quality metal leads offer good electrical conductivity, with different lead lengths, bending configurations and polarity options available.
Category: Through-Hole LED Series
Quick Reference: Key Optoelectronic Parameters (by Emission Color)
Test conditions: forward current IF=20mA, ambient temperature 25℃. Data are taken from each model's datasheet. “—” indicates that the item is not specified; download the corresponding PDF for complete specifications.
| Emission Color | Part Number | Forward Voltage VF (V) | Wavelength / Color Temperature CCT | Luminous Intensity Iv (mcd) | Viewing Angle 2θ½ (°) | Test Current IF (mA) | Operating Temperature |
|---|---|---|---|---|---|---|---|
| Red | HC-8Y3U80Y2W-RG-AA-LL | 1.8~2.4 | 620~630 nm | 200~500 | — | 20 | -20 ~ +80℃ |
| Pure Green | 2.6~3.2 | 515~525 nm | 1000~2000 | — | 20 | -20 ~ +80℃ | |
| Red | HC-8Y3U23Y2W-RG-AA-LL | 1.8~2.4 | 620~630 nm | 150~350 | — | 20 | -20 ~ +80℃ |
| Yellow-green | 1.8~2.4 | 565~575 nm | 50~100 | — | 20 | -20 ~ +80℃ |

8mm Round-top Dual-color LEDs A 8mm through-hole indicator LED with a forward voltage of 1.8~3.4V (depending on emission color) and a drive current in the 20mA range. Factory-direct from Dongguan Hongcheng Optoelectronics Co., Ltd. (an international member of Guangyu Group with over 20 years of LED packaging experience), it uses Grade A chips and 99.99% pure gold wire bonding and is RoHS certified. Free samples and custom lead lengths, lead forming and tape packaging are available. Download the datasheet PDF on this page for complete electrical parameters and mounting dimensions.
Q: Can the lead length of through-hole LEDs be customized?
A: Standard lead length is 23-25mm. Custom lead trimming (minimum 3.5mm) and lead forming are available; tape packaging supports automatic insertion machines.
Product Specifications at a Glance
| Product Name | 8mm Round-top Dual-color LEDs |
|---|---|
| Package: | Through-hole package, round top |
| Dimensions | Φ8mm |
| Mounting: | DIP Through-hole |
| Emission Color | Bi-color (dual-chip, model-dependent) |
| Environmental Certification | RoHS |
| Manufacturer | Dongguan Hongcheng Optoelectronics Co., Ltd. |
| Customization: | Custom emission color, brightness, wavelength, encapsulant and lead length available |
| Detailed Specifications | See the datasheet PDF on this page for complete electrical parameters |
| Minimum Order Quantity (MOQ) | 1K(1,000 pcs) |
| Sample Lead Time | Typically 3-4 working days |
| Volume Production Lead Time | Typically 10-15 working days |
💡 Typical Applications: Common applications include industrial equipment, instruments, meters and large panels; warning lights, alarms and security equipment; advertising signs, lightboxes and decorative lighting; gaming equipment.
Forward Voltage and Wavelength Quick Reference by Color
Voltage varies significantly between colors in the same package. Select current-limiting resistors using the values for the specific color:
| Emission Color | Wavelength Range | Forward Voltage | Chip Material |
|---|---|---|---|
| Red | 620~625nm | 1.8~2.4V | AlGaInP |
| Yellow | 585~595nm | 1.8~2.4V | AlGaInP |
| Orange | 600~610nm | 1.8~2.4V | AlGaInP |
| Standard Green | 565~575nm | 1.8~2.4V | AlGaInP |
| Emerald Green | 520~530nm | 2.8~3.4V | InGaN |
| Blue | 450~470nm | 2.8~3.4V | InGaN |
| White (Neutral White) | Full Spectrum | 3.0~3.4V | InGaN + phosphor |
Ordering and Inquiry Information
Minimum order quantity: 1K (1,000 pcs); sample lead time is generally 3-4 working days, and volume production lead time is generally 10-15 working days (subject to order confirmation). For volume pricing, use the inquiry form on this page or call/message us on WeChat at 139 2571 4318. Specify the exact model and quantity in your inquiry.
Selection Recommendations
Through-hole LED lead polarity is long lead positive and short lead negative. Recommended soldering conditions are within 260℃/3 seconds. Forward voltage varies by color (1.8~3.4V); select the current-limiting resistor for the actual color.
Related Reading: LED Indicator Part Number Comparison Table (Complete 2026 Edition) | Datasheet Download Center
Note: The parameters on this page were compiled against product documentation on 2026-09-17. Items not provided in a datasheet are not assigned uniform values. Refer to the datasheet for the relevant part number.

