Led Cob 28mm - 3W, Lumina Cald/Rece
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Livrare estimata : 07 Sun - 11 Thu
Chip LED COB 3W 28mm cu dubla temperatura de culoare
Chipul LED COB 28mm 3W este o sursa de lumina compacta cu tehnologie COB injectata, disponibila in varianta 2-in-1 cu temperatura de culoare alb-rece (6000-6500K) si alb-cald (2800-3200K). Suportul din aliaj de aluminiu asigura disiparea eficienta a caldurii, prelungind durata de viata a componentei. Potrivit pentru proiecte de iluminat DIY, inlocuire chip in spoturi existente sau constructia de noi corpuri de iluminat.
Ce obtii cu acest produs
- Doua temperaturi de culoare intr-un singur chip — poti utiliza alb-rece, alb-cald sau ambele simultan pentru a obtine lumina neutra, fara a cumpara componente separate
- Eficienta luminoasa de 100-110 lm/W — 300-330 de lumeni la un consum de doar 3W, randament comparabil cu module de putere mai mare
- Suport integrat din aluminiu cu fante de prindere — racire uniforma fara a fi necesara o placa MCPCB suplimentara
- Compatibil cu o gama larga de aplicatii — spoturi incastrate, aparate de birou, iluminat auto-moto, proiectoare, reclame luminoase si proiecte scolare
- Indice de redare a culorilor Ra mai mare de 80 — culorile obiectelor iluminate apar naturale si fidele, fara distorsiuni vizibile
- Durata de viata de pana la 20.000 de ore — inlocuiri rare si costuri de mentenanta reduse pe termen lung
Cum functioneaza si cum se instaleaza
Chipul LED COB 28mm dispune de patru contacte de alimentare (2 pozitiv si 2 negativ), permiting controlul independent al celor doua temperaturi de culoare prin alimentare separata a fiecarei perechi. Montarea se face pe o suprafata metalica sau radiator, obligatoriu cu pasta termoconductoare aplicata intre chip si suport, pentru a preveni supraincalzirea. Conectarea se realizeaza la o sursa DC stabilizata de 8,7-9V si 280-300mA, fara a fi nevoie de echipamente speciale — sunt suficiente cunostinte de baza in electronica.
Intrebari frecvente
Pot folosi acest chip direct la 12V?
Nu. Tensiunea nominala de alimentare este 8,7-9V DC. Alimentarea la 12V fara driver adecvat va deteriora iremediabil chipul.
Am nevoie de radiator separat sau suportul inclus este suficient?
Suportul din aluminiu integrat asigura o racire de baza, insa pentru utilizare continua la putere maxima este recomandat un radiator suplimentar si pasta termoconductoare pentru a mentine temperatura in limite sigure.
Cum obtin lumina neutra cu acest chip 2-in-1?
Alimentand simultan ambele perechi de contacte (alb-rece si alb-cald), cele doua surse de lumina se combina si rezultatul perceput este o lumina cu temperatura neutra, intre cele doua valori extreme.
Specificatii tehnice
| Model | LED-H28-2B3C2 |
| Putere | 3W |
| Tensiune de alimentare | 8,7 - 9V DC |
| Curent | 280 - 300 mA |
| Temperatura de culoare (alb-rece) | 6000 - 6500K |
| Temperatura de culoare (alb-cald) | 2800 - 3200K |
| Flux luminos | 300 - 330 lm |
| Eficienta luminoasa | 100 - 110 lm/W |
| Indice de redare a culorilor (CRI) | Ra mai mare de 80 |
| Diametru chip | 28 mm |
| Grosime | 1,8 mm |
| Tip suport | Aliaj de aluminiu rotund cu fante de prindere |
| Numar contacte | 4 (2 pozitiv + 2 negativ) |
| Durata de viata | pana la 20.000 ore |
| Tip tehnologie | COB injectata |
| SKU | Q-20C055 |
Garantie si suport
Produsul beneficiaza de garantie legala de 2 ani conform legislatiei romane in vigoare. Acceptam retururi in termen de 30 de zile de la data primirii, fara a fi necesara o justificare. Livrarea se efectueaza rapid prin curier pe teritoriul Romaniei.
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