The term pin has several related (in that they all apply to the metal elements which 'make' the contacts used to create circuits) meanings:
- in a connector, the component to which the conductors which run into the connector are joined;
- in an integrated circuit, particularly Dual Inline Packages, the conductors which carry signals out of the package;
- in a backplane, the contact-making components in the connectors into which PCBs plug
For the first meaning, those pins usually come in 'male' and 'female' forms.
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