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Electronic energy saving lamp (1)

2016-08-14 16:47  
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Electronic energy saving lamp (1)
VT1, VT2 choice MTE13003 ~ 13005 high-power tube, and β value is between 20 to 40. T1, T2 need to be made by yourself: the three coils of T1 are available in different colors with Φ0.4mm single strand of copper wire wound on igh frequency magnetic ring with internal diameter in Φ10mm, and L1, L2 around 6.5 turns in parallel, L3 has 2 turns. T2 uses EI ferrite core with cross-sectional area in 10mm × 7mm, then L4 and L5 use Φ0.27mm high-intensity polyester enameled wire wound. L6 uses Φ0.8mm high-strength polyester with around 13 turns. E uses 35W, 12V low-voltage halogen bulb.