Component Parts And Materials - HP 10811A Operating & Service Manual

6-7. Component Parts and Materials

6-8. Generally, the prefix of HP part numbers identifies the type of device. Eight-digit part numbers are
used, where the four-digit prefix identifies the type of component, part, or material and the four-digit suffix
indicates the specific type. Following is a list of some of the more commonly used prefixes for component
parts. The list includes HP manufactured parts and purchased parts.
Prefix
0121-
0122-
0140-
0150-
0160-
0180-
0330-
0340-
0370-
0380-
0470-
0490-
0510-
0674- through 0778- Resistors, Fixed (non wire wound)
0811- through 0831- Resistors (wire wound)
1200-
1205-
1250-
1251-
1410-
1420-
1820-
1826-
1850-
1851-
1853-
1854-
1855-
1900- through 1912- Diodes
1920- through 1952- Vacuum Tubes
1990-
3100- through 3106- Switches
8120-
9100-
6-9. For example, 1854-0037, 1854-0221 and 1851-0192 are all NPN transistors. The first two are
silicon and the last is germanium.
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Component Part Material
Capacitors, Variable (mechanical)
Capacitors, Voltage Variable (semiconductor)
Capacitors, Fixed
Capacitors, Fixed,
Capacitors, Fixed
Capacitors, Fixed Electrolytic
Insulating Materials
Insulators, Formed
Knobs, Control
Crystals
Adhesives
Relays
Fasteners
Sockets for components
Heat Sinks
Connectors (RF and related parts)
Connectors (non RF and related parts)
Bearings and Bushings
Batteries
Monolithic Digital Integrated Circuits
Monolithic Linear Integrated Circuits
Transistors, Germanium PNP
Transistors, Germanium NPN
Transistors, Silicon PNP
Transistors, Silicon NPN
Field-Effect- Transistors
Semiconductor Photosensitive and Light-emitting Diodes
Cables
Transformers, Coils, Chokes, Inductors, and Filters
Model 10811A/B