B-27 5V Buzzer 8ohm speaker These are Carbon Film Resistor

These are Carbon Film Resistor with a value of 470k ohm 1/2W and tolerance of ±5%

the IC modifies the operating frequency and automatically enters the PFM/CRM (Cycle Reset Mode)

8V to 15V DC

regular broadcast

Part Number 2N7000  Type Small signal N-Channel MOSFET Drain Source Voltage 60V Gate Source Voltage 20V Continuous Drain Current 200mA Drain Gate Voltage 60V Power Dissipation  350mW Package  TO-92

B-27 5V Buzzer 8ohm speaker These are Carbon Film ResistorA buzzer, also known as a beeper, is a type of audio signalling device that can be mechanical, electromechanical, or piezoelectric. Alarm devices, timers, and confirmation of user input, such as a mouse click or keystroke, are common applications for buzzers and beepers. This Buzzer is a Good performance; general purpose musical buzzer used commonly in alerting alarming circuits, rever horn and kids toys etc. Specifications Product B 27 Buzzer