Involvement:Expert (understands the inner workings) - Ownership:1 week to 1 month
1. Dirt cheap (I bought 6 with bulk rate) 2. Isolated DC/No electrocution on LED side. 3. Switch mode so efficient, less heat. 4. Compact size.
No holes for mounting. Components and pcb traces are at the edge of pcb, so chances of short with if not taken care of.
I bought 6 to replace CFL's. I used this with 1 watt led 3 in series and these 3 series in parallel (9 1 watt LED). I made 6 strips with Alu. channel as heat sink (see images). Single strip of 9 led's draw .04 A i.e. .04 A x230 V = 9.2 watt. Which is good performance. Since no mounting holes, I had difficulty mounting this on channel. So I used electric tape for isolation and fixing. So far all working okay.
Good performer at this price. A envelop box may require by someone, however this makes it bulkier and, heat convection stops. I think mounting holes should be provided.
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