3mm Round Through-Hole LED Indicator Lamp (F3/F5 DIP LED)
F3 DIP LED (3mm indicator) - Hongcheng Optoelectronics LED Manufacturer
F3 is the industry-common name for 3mm DIP LEDs. Hongcheng Optoelectronics keeps the full 3mm range in stock: round head, high flat top, bullet head, short head, special shapes and dual color — industrial-grade copper lead frames with gold wire bonding; samples ship in 3 days.
Categories: Through-Hole LED Series (DIP LED)
F3 is the industry-common name for 3mm DIP LEDs(F = round head diameter code, F3 ≈ 3mm lens diameter). Searching "F3 LED" and "3mm DIP LED" refers to the same product family. Hongcheng Optoelectronics (HC-LED) keeps the 3mm/F3 series in stock with the widest coverage of shapes and colors.
F3 series structure coverage
- Round head:Standard indicator type with a moderate beam angle — the most versatile;
- High flat top:Wide-angle flood for softer close-range panel indication;
- Bullet head / short head:Special appearance and height requirements;
- Special shapes (rectangular/tower):Dedicated to structural mating;
- Dual color (red-green / red-yellow-green):One lamp, two states — a popular choice for industrial control panels.
Typical parameter range
| Color | Forward voltage (typical) | Wavelength/CCT |
|---|---|---|
| Red/yellow/orange | 1.8-2.4V | Corresponding single-color wavelength |
| Green (standard green) | 1.8-2.4V | Corresponding single-color wavelength |
| Blue/pure green/white | 2.8-3.4V | Corresponding wavelength/CCT options available |
Viewing angle and intensity bins vary by structure (round focused / flat top flood); shipments are binned to ±10% luminous intensity and ±1nm wavelength for color-difference-free volume assembly.
Quality and Supply
Hongcheng Optoelectronics' F3/3mm series uses copper lead frames with gold wire bonding — industrial-grade process, high temperature resistance, ESD 2000V protection and RoHS lead-free packaging. All colors (red, green, yellow, blue, white, orange) and dual-color versions are kept in stock; samples ship in 3 days, with small-batch orders and F3 bent-lead customization supported.
💡 Typical applications: status indicators on industrial equipment, PLC panel backlighting, instrument key lamps and appliance power indicators. Custom lead length and forming available.
Q: Can the lead length be customized?
A: Standard leads are 23-25mm. Custom cut leads (down to 3.5mm) and formed bends are available, and tape packaging supports auto-insertion machines.
