TDK Varistors(SMD) AVF16 Series User manual

(1/2)

002-03 / 20080929 / e9c11_avf.fm

• All specifications are subject to change without notice.

Varistors(SMD)

For High-speed Differential Signal Line

AVF16 Series

A low-voltage varistor applicable in high frequencies has been manufactured by using TDK circuit and material technology.

FEATURES

• Chip size: 1608 (L1.6×W0.8mm), applicable in 2 Line-in 1 (2in1)

differential line.

• 2GHz or more of cutoff frequency in differential mode (Sdd21).

• Superior electrostatic absorption characteristics due to reduction

of varistor voltage.

• Meeting Electrostatic Discharge Test IEC61000-4-2, HBM

(human body model) contact 8kV.

APPLICATIONS

• Protective circuit for high-speed differential signal from static

electricity

• HDMI, USB, IEEE1394, etc.

SHAPES AND DIMENSIONS RECOMMENDED PC BOARD PATTERNS

CIRCUIT DIAGRAM

ELECTRICAL CHARACTERISTICS

Conformity to RoHS Directive

1.6±0.1

P=0.5typ.

0.18typ.

0.8±0.1

0.25±0.1

±0.005 0.5±0.1

0.25±0.1 0.25±0.1

±0.065

Dimensions in mm

0.12+0.05

–0.12

0.25+0.05

–0.25

0.25typ.

0.12typ. 0.25typ.

264

153

NC∗1NC∗1

Mark∗2

∗1



Do not solder the terminal NC(not connected) with land etc.

∗2



Mark is unrelated to the polarity (directionality) of the terminal.

0.18+0.05

–0.10

Dimensions in mm

0.25

Area of solder resist

0.4

0.5

0.80.4

1.2

0.1

0.6

IN1 GND IN2

OUT1 GND OUT2

NCNC

Transmission line

Not externally connectable

: Terminal for internal circuit connection

Part No.

Varistor voltage

V1mA

(V)

Maximum

continuous

voltage

Edc(V)

Cut-off

frequency

[Sdd21]

(GHz)

AVF16C212A000F205 12 5.5 2 min.

AVF16C225A000F405 25 5.5 4 min.

• Conformity to RoHS Directive: This means that, in conformity with EU Directive 2002/95/EC, lead, cadmium, mercury, hexavalent chromium, and specific

bromine-based flame retardants, PBB and PBDE, have not been used, except for exempted applications.

(2/2)

002-03 / 20080929 / e9c11_avf.fm

• All specifications are subject to change without notice.

TYPICAL ELECTRICAL CHARACTERISTICS

DIFFERENTIAL MODE FREQUENCY CHARACTERISTICS

[Sdd21]

TDR(Leading edge of pulse: 200ps)

AVF16C225A000F405

–30

–10

–20

10 100 1000 10000

Insertion loss(dB)

Frequency(MHz)

AVF16C212A000F205

AVF16C225A000F405

140

120

130

110

100

1.41.21.00.8

Time(ns)

0.60.40.2

Impedance(Ω)

AVF

HDMI receptacle

Test adapter

connector

PCB Through

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