EZJS2YC822 Panasonic, EZJS2YC822 Datasheet - Page 2

• Manufacturer Part Number: EZJS2YC822
• Description: CHIP VARISTOR 0805 30VDC
• Manufacturer: Panasonic

081001_MLCV Technical Information_E
Multilayer Varistors for ESD noise
“
“
linear resistor or a voltage dependent resistor.
linear resistor or a voltage dependent resistor.
It is electronic parts playing a role which the
It is electronic parts playing a role which the
characteristic with the semiconductor ceramics that resistance v
characteristic with the semiconductor ceramics that resistance v
changes by the voltage to impress, and protect electronics from
changes by the voltage to impress, and protect electronics from
abnormal voltage such as thunder surge or the static electricity
abnormal voltage such as thunder surge or the static electricity
[V-I characteristics of MLCV]
Multilayer Varistors for ESD noise
Varistor
Varistor
What's Varistor ?
ESD measure by the Varistor
MLCV does not give a necessary signal bad influence and works
when ESD invaded it. It control abnormal voltage in lower than
breakdown voltage of the IC and protect an IC!
ESD
”
”
Vari
Vari
is an abbreviation of
is an abbreviation of
V
able Resi
able Resi
Varistor voltage
ZD
MLCV
V [V]
stor
stor
“
“
Variable Resistor
Variable Resistor
SW ON
ZD:
monopolar
2pcs.
⇒
V
⇒
[Equivalent circuit of MLCV]
“
“
Varistor
Varistor
3pcs.
”
Varistor
Varistor
”
, and it is a non
, and it is a non
”
”
Breakdown
voltage of IC
uses this
uses this
Capacitor
1pc.
IC
.
.
alue
alue
the
the
-
-
1pc.
a) The equal above-mentioned ESD clamping effect
b) The reduction of the mounting area
c) Reduction of the part mark, cost reduction, appointed
date of delivery shortening etc.
MLCV v.s. Zener Diode [ZD]
200
150
100
-50
50
0
ESD test condition :
IEC61000-4-2 [150pF, 330Ω/ Contact discharge / 8kV ]
[Small and space-saving]
-10
EZJP0V080GA
[0402/8V/100pFmax.)
[Unit:mm]
SOD-323
SOD-523
SC-89
0
10
Vpeak≒70V
Time (nsec)
20
1.6
1.6
2.5
30
40
50
200
150
100
-50
50
0
-10
Zener diode
[ 6.8V/30pFtyp. ]
1.0
1.0
1.0
0
10
Vpeak≒95V
Time (nsec)
20
Area ratio:
Area ratio:
Area ratio:
16%
39%
19%
30
40
50
2