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Power Electronics

12V Relay Switch

Pin Configuration Pin Number Pin Name Description 1 Coil End 1

LM2576 Step-Down Voltage Regulator

Pin Configuration Pin Number Pin Name Description 1 VIN

LM1117 Linear Voltage Regulator

Pin Configuration Pin Number Pin Name Description 1 Adjust/Ground

1N4734A - 5.6V Zener Diode

Pin Configuration Pin No. Pin Name Description 1 Anode

UC3843 - PWM Controller IC (8-Pin)

Note: This IC also comes in 14-Pin, 16-Pin and 20-Pin packages. This article covers only on the 8-Pin version of the IC. Pin Configuration Pin Number

PCR406 Sensitive Gate Thyristor

Features and Specifications Blocking voltage to 600 V High performance planner diffused PNPN devices On-state RMS current is 0.8 A Repetitive peak off-state voltage is 400 V Ultra-low gate triggering gate current: 200uA

LM7905 Voltage Regulator

Pin Description Pin Number Pin Name Description 1 Ground (Gnd)

18650 Lithium Ion Battery

18650 Cell Features and Technical Specifications Nominal Voltage: 3.6V Nominal Capacity: 2,850 mAh Minimum Discharge Voltage: 3V Maximum Discharge current: 1C Charging Voltage: 4.2V (maximum) Charging current: 0.5C

1N4148 Diode

1N4148 Pin Configuration Pin No. Pin Name Description 1 Anode

LM7912 Negative Voltage Regulator

Pin Configuration Pin Number Pin Name Description 1 Ground (Gnd)