Fornecedor de componentes eletrônicos | Transformadores, Indutores, Inversores
O que é um transformador LED?
UmLED transformer (também chamado de driver de LED) is a power supply unit that converts mains voltage to low-voltage DC power required forLED lighting systems. These devices ensure stable current flow to prevent flickering and extendLED lifespan.
Principais recursos
✔Tensão de entrada: 110V-240V AC
✔Tensão de saída: 12V/24V DC (constant voltage) or 350mA-1500mA (constant current)
✔Proteção: Short-circuit/overload/over-temperature protection
✔Eficiência: >85% for quality models
✔IP Rating: IP20 (indoor) to IP67 (waterproof)

Main Types of LED Transformers
1. Constant Voltage Transformers
Saída: Fixed 12V/24V DC
Melhor para: Tiras de LED, signage lighting
Faixa de preço: $10-$50
2. Constant Current Transformers
Saída: Fixed current (350mA/700mA/1050mA)
Melhor para: High-power LED chips, spotlights
Faixa de preço: $15-$80
3. Dimmable LED Transformers
Compatible with: TRIAC/0-10V/PWM dimmers
Melhor para: Mood lighting systems
Faixa de preço: $20-$100
4. Waterproof LED Drivers
IP65/IP67 rated
Melhor para: Outdoor/landscape lighting
Faixa de preço: $25-$120
Guia de seleção
Power Calculation
Total Wattage = (LED Wattage × Quantity) × 1.2 (safety factor)
Wiring Options
Series Connection: For constant current LEDs
Parallel Connection: For constant voltage LEDs
Price Factors
Capacidade de potência (20W-400W)
Dimmable Function
Waterproof Rating
Brand Quality (Mean Well, Philips, Osram vs generic)

Onde comprar?
Amazon/eBay (budget options)
Electrical wholesalers (professional grade)
LED specialty stores (suporte técnico)
Para dica: Always buy 20% higher wattage than needed for headroom.
Top Brands Comparison
| Marca | Garantia | Faixa de preço |
|---|---|---|
| Mean Well | 5-7 anos | $$-$$$ |
| Philips | 2-3 anos | $$$ |
| Osram | 3 anos | $$ |
| Generic | 1 year | $ |







