VC06AG183R0YAT1A【PDF 1/4 页】VARISTOR 18VDC 3PF 0603

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AntennaGuard 0402/0603

AVX Multilayer Ceramic Transient Voltage Suppressors

ESD Protection for Antennas and Low Capacitor Loading Applications

GENERAL DESCRIPTION

RF antenna/RF amplifier protection against ESD events is

a growing concern of RF circuit designers today, given the

combination of increased signal “gain” demands, coupled with

the required downsizing of the transistor package. The ability to

achieve both objectives is tied to a reduced thickness of the

SiO 2 gate insulator layer within the semiconductor. The

corresponding result of such a change increases the Power

Amplifier’s (PA’s) vulnerability to ESD strikes — a common event

with handheld electronic products with RF transmitting and/or

receiving features.

AVX ’s 0402/0603 AntennaGuard products are an ultra-low

capacitance extension of the proven TransGuard ? TVS (transient

voltage suppression) line of multilayer varistors. RF designers

now have a single chip option over conventional protection

methods (passive filters with diode clamps), which not only gives

superior performance over traditional schemes, but also

provides the added benefits of reduced PCB real estate and

lower installation costs.

AVX ’s AntennaGuard products are available in capacitance

ratings of ≤3pF (0402 & 0603 chips) and ≤12pF (0603 chip).

These low capacitance values have low insertion loss, as well as

give other TransGuard ? advantages such as small size,

sub-nanosecond response time, low leakage currents and

unsurpassed reliability (FIT Rate of 0.2) compared to diodes.

FEATURES

APPLICATION

? Smallest TVS Component

? Standard EIA Chip Sizes

? Fastest Response Time to

ESD Strikes

? ESD Protection for RF Amplifiers

? Laser Drivers

? Chip Placement Compatible ? Two Cap Values

(≤3 and ≤12pF)

HOW TO ORDER

3R0

Varistor Chip Size Varistor Series

Working Capacitance Non-Std. Not Termination Reel

Reel

Chip

04 = 0402 AntennaGuard

Voltage

3pF = 3R0

Cap Applicable T = Ni/Sn Alloy

Size

Quantity

06 = 0603

(DC) 12pF = 120

Tolerance

(Plated) 1 = 7"

A = 4,000

(Maximum) 3 = 13"

W = 7"

(0402 only)

or 10,000

(i.e., 1A = 4,000

3A = 10,000)

WA = 10,000

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