说明

• 10pcs/lot LED Chip for Lamp Bulb 3W 5W 7W 9W SMD 2835 Round Light Beads AC 220V Bulb Chip Lighting Spotlight Accessories Features: High brightness, brightening, immediate warmth dissipation High lumens, no flicker, calories saving Low light attenuation, using anti-attenuation glue phosphor Low warmth generation, low heat generation and high brightness Durable copper bracket Good thermal conductivity Electrostatic protection, perfect electrostatic defense is more steady Product parameters: Lighting: heat white, cool white Power: 3W 5W 7W 9W Voltage: AC 220V Color rendering index: eighty Reverse voltage: 5 (V) Forward voltage: 3 (V) Rated current: 200-220ma (A) Lighting angle: 120° Thermal resistance: ≤10 (°/W) Electrostatic breakdown voltage (ESD): three hundred (V) Voltage temperature coefficient: 500 (mV/°C) Luminous efficiency: 90 (lm/W) Maximum allowable junction temperature a hundred (°) Color tolerance: 7 (SDCM) Luminous flux: three hundred (lm) Color temperature range: 6000k, 3000k (K) Luminous efficiency: ninety (lm/W) Service life: >50000 hours Package list: 10*led mild board

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