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20220209 / vpd_varistors_avr_en.fm

Please be sure to request delivery specifications that provide further details on the features and specifications of the products for proper and safe use.

Please note that the contents may change without any prior notice due to reasons such as upgrading.

Voltage Protection Devices

Chip varistors

DISCHARGE VOLTAGE WAVEFORM (EXAMPLE)

WITHOUT VARISTOR, WAVEFORM AT VARISTOR INSTALLATION

WAVEFORM AT VARISTOR INSTALLATION

Test conditions

150pF/330

 (IEC61000-4-2)

Contact discharge, Charged voltage 8kV

TEST CIRCUIT DIAGRAM

AVR/SGNE series 

Electrostatic absorption characteristics

RoHS Directive Compliant Product

Compatible with lead-free solders

–50

0

50

100

150

200

250

300

Time(ns)

1600

1200

1000

800

400

600

200

–200

1800

1400

0

Without Varistor

AVRH10C270KT150NA8

AVR-M1608C270KT6AB

AVR-M1608C220KT6AB

–50

0

50

100

150

200

250

300

Time(ns)

160

120

100

80

40

60

20

–20

180

140

0

AVRH10C270KT150NA8

AVR-M1608C270KT6AB

AVR-M1608C220KT6AB

50

Ω

Discharge gun

ESD

simulator

Test

sample

Oscilloscope

60dB attenuator

I/O impedance: 50

Ω

ESD Simulator

Discharge

Point

Chip

Varistor

PCB

SMA

Connector

Coaxial

Cable

Attenuator(60dB)

50

Ω

Oscilloscope

50

Ω

Shield