PT4115 30V 1.2A Step-Down Converter (Pack of 1000) Push-To-Make Switch At the logic level

At the logic level

Its small 1206 package (1

These are Carbon Film Resistor with a value of 120k ohm 1/2W and tolerance of ±5%

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PT4115 30V 1.2A Step-Down Converter (Pack of 1000) Push-To-Make Switch At the logic levelThe PT4115 is an inductive step down converter with continuous conduction mode that is designed to efficiently drive single or multiple series linked LEDs from a voltage source higher than the total LED chain voltage. The PT4115 can produce more than 30 watts of output power depending on the supply voltage and additional components. The PT4115 has a power switch as well as a high side output current detecting circuit that employs an external resistor