Special Features:

Printed wiring board 1, resistor 99, transistor 18, relay 1, semiconductor device diode 24, capacitor 50, amplifier 8, coil 12, insulator disk 7, microcircuit integrated circuit 54

Properties:

A grouping of two or more different types of electrical/electronic components mounted on a common mounting. it may include an assembly of electrical/electronic components mounted on multiple printed wiring board(s) mounted back to back, stacked, and the like. the item is generally a component of a subassembly and cannot be assigned a more definite item name. excludes items which may be identified as a subassembly. for an assembly of electrical/electronic components mounted on a single printed wiring board, see circuit card asseembly. do not use if a more specific name applies.