The CR1225 battery Holder is a small and compact device designed to be used as RTC backup and SRA

BC847 is an NPN transistor so when no power is applied to the base, the collecto

The BC559 transistor is a general-pu

The BC547 is an SMD SOT23-3 package NPN Transistor with VCE of 45V and a collect

BC327

The audio jacks was invented in the 19th century for the purpose of use in telephone switchboards and still used widely to transfer