What is the difference between 2835, 5050, and 3030 SMD LEDs?

These numbers refer to the package size in tenths of a millimetre (e.g. 2835 = 2.8mm × 3.5mm). 2835 is the most common modern SMD LED for strip lights and backlighting — thin profile (0.8mm height), efficient, available in a wide wattage range (0.2W to 0.5W typical). 5050 is a larger package (5.0mm × 5.0mm, typically 3 LED chips per package for RGB operation) — used in colour-changing LED strips; each 5050 chip is effectively three LEDs (RGB) in one housing. 3030 is a high-power SMD package used in high-efficiency streetlights, commercial lighting fixtures, and automotive lighting — typically 1W+ per package with high thermal management requirements. For LED strip light procurement, specify voltage (12V or 24V), LED density (LEDs per metre), wattage per metre, colour temperature (for white: 2700K warm white, 4000K neutral, 6500K cool white), CRI (80+ recommended for display and retail applications), and IP rating for the intended installation environment.

What is a typical MOQ for wholesale LED modules and display screens from China?

SMD LED components (tape-and-reel): 1,000–10,000 pieces minimum per SKU for standard commodity LEDs; 500–1,000 pieces for specialised LEDs. LED strip lights (finished product): 100–500 metres minimum per specification (voltage, density, colour). TFT LCD modules (standard sizes, e.g. 2.4", 3.5", 5", 7"): 50–200 pieces minimum from stock; custom displays with tooling: 500–2,000 pieces minimum. OLED modules (standard 0.96", 1.3" I²C modules): 100–500 pieces. Industrial HMI panels: 10–50 units for standard models; custom panels require NRE investment. LED matrix panels for advertising signage (P3, P5, P10 outdoor pitch): 10–50 panels per order.

Wholesale LED & Display Module Suppliers

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LED and display product categories overview

LED and display products span a broad spectrum: SMD LED components — 0402, 0603, 0805, 3528, 5050, 2835, 3030 SMD LEDs in single-colour (red, green, blue, white, IR, UV), bicolour, and RGB configurations; used for indication, backlighting, display, and illumination; key specifications include luminous intensity (mcd), forward voltage (Vf), forward current (If), wavelength (dominant/peak nm), and viewing angle (half-angle); LED modules and assemblies — LED strip lights (flexible PCB-based strips with SMD LEDs, 12V or 24V, waterproof or non-waterproof — IP20/IP44/IP65/IP67), rigid LED bar modules, LED panel modules for backlighting, and high-power LED modules for industrial lighting; TFT LCD display modules — Thin Film Transistor LCD panels with integrated backlight, driver IC, and flex cable, available in 1" to 32"+ sizes, parallel (MCU 8/16-bit) or serial (SPI, I²C) interfaces, with touch overlay options (resistive or capacitive); OLED display modules — organic LED panels offering superior contrast, wide viewing angle, and thin profile vs TFT LCD; available in monochrome (0.91", 0.96", 1.3" SSD1306 I²C modules are ubiquitous in electronics prototyping) and colour (SSD1351, ST7789 based) variants; e-Paper (electronic ink) display modules — ultra-low power bistable displays that retain image without power, used in electronic shelf labels, smart cards, and IoT displays; and industrial HMI (Human Machine Interface) panels — ruggedised LCD/TFT displays with industrial temperature range, vibration resistance, and optionally integrated touchscreen and controller for PLC/SCADA applications.

LED and display product categories overview

Wholesale LED & Display Module Suppliers

LED and display product categories overview

Wholesale LED & Display Module Suppliers

LED and display product categories overview

LED binning, colour consistency, and CE/FCC compliance

Frequently asked questions

What is the difference between 2835, 5050, and 3030 SMD LEDs?

What is a typical MOQ for wholesale LED modules and display screens from China?

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