UART

UF

UG

UHF

UHF Connector

UJT

UL

UL 94V-0

UL 94V-2

Ultrasonic Bond

Ultrasonic Cleaning

Unbalanced Line

Underwriters Laboratories

Uniaxial Assembly

Uniformity

Unijunction Transistor

Unilay

Universal Serial Bus

Unshrouded Header

uP

URC

USB

USE

User Friendly Socket and Carrier

V

V Connector

VA

Vacuum Tube

VAFC

Value Added

Vapor Phase

VCB

VCL

VD

Velocity of Propagation

Vertical

Vertical, Direct Mounting

Vertical, End Position Mounting

Very High Density Cabled Interconnect 

Very High Frequency

Very Short Line

VESA

VG

VGA

VHDCI

VHF

VIA Hole

Vibrobot Line Plating

VITA

VL Bus

VLF

VLPR

VLSI

VM

VME Bus

VoB

Void

Volatile Memory

Volt

Voltage Breakdown

Voltage Drop

Voltage Rating

Volt-Ohm-Meter

VOM

Vp
vp

VR

VRAM

VSWR

VTVM

W

W Crimp

W Terminal

Wafer

Wafercon

Wall Thickness

WAN

Watt

Watt-hour

Wattmeter

Wave Soldering

Waveform

Wavelength

Wavelength Division Multiplexer

WDM

Wedge Bond

Wedge-type Connector

Welding

WE Plug

Wetting

Whisker

Wicking

Width

Wiping

Wire

Wire Barrel

Wire Bonding

Wire Gauge

Wire Lead Machine

Wire Pull Out Force

Wire Specification

Wire Stop

Wire Table

Wire Trap Connectors

Wire Wrap

Wiring Closet

Withdrawal Force

Withstanding Voltage

Word

Work Curve

Working Voltage

WORM

WP

WTB

X

X.25

X-Y Matrix

XT

y

Yield

Yield Strength

Yoke

Z

Z-Axis Conductive Epoxy

Z-axis Assembly

Zener Diode

Zero-force Connector

ZIF

ZIF Connector

Zig-Zag

Zinc

ZIP

ZIP Socket

Zippable

Zipper Machine

Zipping Groove

Zo

ZZ