VC120631M650DM datasheet, PDF - EEWORLD Datasheet

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VC120631M650DM: DescriptionVaristor, 31V, 1J, Surface Mount, CHIP, 1206; CategoryPassive components The resistor; File Size413KB，10 Pages; ManufacturerAVX

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VC120631M650DM Overview

Varistor, 31V, 1J, Surface Mount, CHIP, 1206

VC120631M650DM Parametric

Parameter Name	Attribute value
Maker	AVX
package instruction	CHIP, 1206
Reach Compliance Code	compliant
ECCN code	EAR99
Circuit maximum DC voltage	31 V
Circuit RMS maximum voltage	25 V
Maximum energy absorption capacity	1 J
JESD-609 code	e0
Manufacturer's serial number	VC
Installation features	SURFACE MOUNT
Number of terminals	2
Maximum operating temperature	125 °C
Minimum operating temperature	-55 °C
Package shape	RECTANGULAR PACKAGE
Package form	Chip / Die
method of packing	TR
Resistor type	VARISTOR
surface mount	YES
technology	METAL OXIDE FILM
Terminal surface	TIN LEAD
Terminal location	DUAL ENDED
Terminal shape	WRAPAROUND

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TransGuard

AVX Multilayer Ceramic Transient Voltage Suppressors

GENERAL DESCRIPTION

The AVX TransGuard

Transient Voltage Suppressors (TVS)

with unique high-energy multilayer construction represents

state-of-the-art overvoltage circuit protection. Monolithic

multilayer construction provides protection from voltage

transients caused by ESD, lightning, NEMP, inductive switch-

ing, etc. True surface mount product is provided in EIA

industry standard packages. Thru-hole components are

supplied as conformally coated axial devices.

TRANSGUARD

DESCRIPTION

TransGuard

products are zinc oxide (ZnO) based ceramic

semiconductor devices with non-linear voltage-current charac-

teristics (bi-directional) similar to back-to-back zener diodes.

They have the added advantage of greater current and energy

handling capabilities as well as EMI/RFI attenuation. Devices

are fabricated by a ceramic sintering process that yields a

structure of conductive ZnO grains surrounded by electrically

insulating barriers, creating varistor-like behavior.

The number of grain-boundary interfaces between conduct-

ing electrodes determines “Breakdown Voltage” of the

device. High voltage applications such as AC line protection

require many grains between electrodes while low voltage

requires few grains to establish the appropriate breakdown

voltage. Single layer ceramic disc processing proved to be a

viable production method for thick cross section devices

with many grains, but attempts to address low voltage

suppression needs by processing single layer ceramic disc

formulations with huge grain sites has had limited success.

AVX, the world leader in the manufacture of multilayer

ceramic capacitors, now offers the low voltage transient

protection marketplace a true multilayer, monolithic surface

mount varistor. Technology leadership in processing

thin dielectric materials and patented processes for

precise ceramic grain growth have yielded superior energy

dissipation in the smallest size. Now a varistor has voltage

characteristics determined by design and not just cell sorting

whatever falls out of the process.

Multilayer ceramic varistors are manufactured by mixing

ceramic powder in an organic binder (slurry) and casting it

into thin layers of precision thickness. Metal electrodes are

deposited onto the green ceramic layers which are then

stacked to form a laminated structure. The metal electrodes

are arranged so that their terminations alternate from one

end of the varistor to the other. The device becomes a

monolithic block during the sintering (firing) cycle providing

uniform energy dissipation in a small volume.

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