EZJZ0V80010_17 Datasheet, PDF (6/8 Pages) Panasonic Semiconductor – Multilayer Varistors

Multilayer Varistors
Varistor Characteristics and Equivalent Circuit
A Multilayer Varistor does not have an electrical polarity like zener diodes and is equivalent to total 3 pcs.
of 2 zener diodes and 1 capacitor.
[Equivalent Circuit]
Current (A)
Voltage (V)
Zener diode
Multilayer Varistor
Zener diode
monopolar 2pcs.
Capacitor 1 pc.
ESD Suppressive Effects
Typical effects of ESD suppression
Test conditions: IEC61000-4-2^✽ Level 4 Contact discharge, 8 kV
Electrostatic discharger
330 Ω
150 pF
Attenuator : 60 dB
50 Ω
Oscillo-scope
MLCV
[ESD suppressed waveform]
1400
1200
1000
Without Varistor
800
EZJP0V080GA
600
[V1 mA:8 V, C1 MHz:100 pF max.]
400
200
0
-200
–20 0 20 40 60 80 100 120 140 160 180 200
Time (ns)
✽ IEC61000-4-2 ··· International Standard of the ESD testing method (HBM) for electronic equipment ability to
withstand ESD generated from a human body. It sets 4 levels of severity
Severity
Contact discharge
Air discharge
Level 1
2 kV
2 kV
Level 2
4 kV
4 kV
Level 3
6 kV
8 kV
Level 4
8 kV
15 kV
Replacement of Zener diode
Replacing “Zener diode and Capacitor” with Multilayer Varistor saves both the mounting area and number
of components used.
1.7
0.3
0.5
Mounting area
2.6
Approx .83 % space saving
1.5
Zener diode
S-79
MLCC
Size 0402
MLCV
Size 0402
Dimensions in mm
Design and specifications are each subject to change without notice. Ask factory for the current technical specifications before purchase and/or use.
Should a safety concern arise regarding this product, please be sure to contact us immediately.
04 Nov. 2016