Teardown of Zilotek LED 353-1436 light bulb with schematic.
Parts list:
Zilotek 353-1436 LED A19 120V 9W 60Hz 130mA 5500K 750 Lumens
Circuit card: HL-002-L-B
LED heat sink and 15 COBs: HLE-035
F - fusible resistor - 4.7Ω
R1 - SMD resistor - 102 - 1K
R2 - SMD resistor - 102 - 1K
R4 - SMD resistor - 334 - 330K
R5 - SMD resistor - 150 - 15
R6 - SMD resistor - 150 - 15
CB1 - capacitor - 250V 334J - 330nF
EC - capacitor - 200V CD11GES PET - 10µF
BD1 - bridge rectifier - CD MB6S
U1 - IC - single stage linear LED driver - POWTECH PT4515
Reverse engineering, schematic,
manufacturing design
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