R
R/A
Raceway
Rack
Rack-and-Panel Connector
Radio Frequency
Radio Frequency Connector
Radio Frequency Interference
Radio Guide
RAID
Raised Base
RAM
Ramp
Random Access
Random Access Memory
Range Wire
RAST
RAST 5
Ratchet Control
Rated Temperature
Rated Voltage
Raven Machine
RCC
RCT
RD
RDL
Reactance
Read Only Memory
Read Out (or Readout)
Read/Write Memory
Real Estate
Real Seal
Real Soldering
Rear Plug Up
Rear Release Contacts
Rear Seal
Receiver
Receiving Element
Receptacle
Receptacle Connector
Receptacle Housing
Rectangular Terminal
Rectifier
Reference Edge
Reflectance
Reflection
Reflection Coefficient
Reflow
Reflow Soldering
Reflowing
Refractive Index
Regrind
Regrind Percent
Regulation
Reinforced Sheath
Relative Permeability
Relative Permittivity
Relative Velocity of Propagation
Relay
Relay Socket
Release Force
Reliability
Reluctance
Removable Contact
Removal Tool
Repeatability
Re-reeling Systems
Reset Position
Resiliency
Resistance
Resistance Soldering
Resistive Termination
Resistivity
Resistor
Resonance
Resource Structure
Retention Pins
RETMA
Retractile Cord
Return Loss
Reverse Bias Diode
Reverse Entry
RF
RF Connector
RF Leakage
RFI
RG
RG/U
RH
RHD
RHDL
Rheostat
RHL
RHM
RHML
RH/RW
Ribbon Cable
Right Angle Edge Connector
Ring Terminal
Ring Tongue Terminal
Ringing Out
Ripple
Rise Time
Rise Time Connector
Riser
Riser Cable
RJ
RJFJ
RJIJ
RL
RLJFJ
RLJWJ
RM
RMA Flux
RML
RMS
Rocker Switch
Rockwell Hardness Number
ROM
Root Mean Square
Rope Strand
Rosin Flux
Rotary Switch
Rotational Torque
Round Conductor Flat Cable
Round Conductor Ribbon Cable
Round Trip
Router
RP
RR
RRW
RS
RS232, RS442, RS449
RTL
RU
Rubber
Rugged Signal Connector
RUH
Runner
Runner Weight
