BD139 NPN Bipolar Medium Power Transistor (BJT) 80V 1.5A TO-126 Package Surface Mount The slide switch is for

The slide switch is for switching the circuit by sliding the mini handle of the switch to turn the circuit on or off

Insert it into the soil around your plants to get real-time soil moisture data

Which have average rectified current 1A

Here€š¬€ž¢s a detailed description:

8° step angle (200 steps/revolution) and a holding torque of 40N

BD139 NPN Bipolar Medium Power Transistor (BJT) 80V 1.5A TO-126 Package Surface Mount The slide switch is forThe BD139 is a NPN complementary low voltage NPN transistor in 3 pin Its package is TO 126. This device is designed for audio amplifiers and drivers utilizing complementary or quasi complementary circuits. Specification Type Medium Power NPN transistor Maximum collector power dissipation (Pc) 12 W Maximum collector base voltage Vcb 80 V Maximum emitter base voltage 5 V Maximum collector current 1. 5 A Applications Medium Power and Liner Switching