Multilayer Varistors
Multilayer Varistor for ESD pulse
[DC voltage lines/High speed signal lines]
Series EZJP, 0201size
■ Features
● Excellent ESD suppression due to advanced material
technology
● Meets IEC61000-4-2, Level 4 standard
● Can replace 2 Zener Diodes and 1 Capacitor
● Low capacitance versions for DC voltage lines of high
speed busses
● Ultra low capacitance for signal lines of high speed busses
● RoHS compliant
■ Handling Precautions
see pages 8 to 13
■ Packaging Specifications
see pages 7
■ Explanation of Part Numbers
1
E
2
Z
3
J
4
P 5 Z
6
V
7
6
8
R
9
8
Product Code Design Code
Series Code
■ Construction
P EZJP series
Size Code
Z 0201
Packaging Style Code
V Paper Taping
Nominal Varistor Voltage
The first and second digits denote
the first 2 numbers of the varistor
voltage and the third digit indicates
the number of zeros following.
Decimal point The decimal point
describes it into "R"
Capacitance
Code
R 20 pF
D 27 pF
G 100 pF
J 220 pF
No. Name
①
②
③
Terminal
④
electrode
⑤
■Dimensions in mm (not to scale)
Size
Code
Z 0201
Size L W T L
0.60±0.03 0.30±0.03 0.30±0.03 0.15±0.05
Design and specifications are each subject to change without notice. Ask fa ctory 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.
10
G
Semiconductive Ceramics
11
A
Internal electrode
Substrate electrode
Intermediate electrode
External electrode
12
Design Code
Nil Cap. Tolerance :max.
(Unit:mm)
(Example)
1
, L2
- 1 -
Multilayer Varistors
Multilayer Varistor, Low Voltage Type (Standard Type)
[DC voltage lines/Low speed signal lines]
■Features
Multilayer monolithic ceramic construction
for use protecting DC voltage lines or signal lines
・ Circuit voltage
16
・Varistor voltage : 6.8 to 27V [at 1mA]
・Ca
6.7
DC [V]
3.7
Maximum allowable voltage
3 5 12
Circuit voltage
DC [V]
acitance : 15 to 150pFtyp. [at 1MHz]
■ Ratings and Characteristics
Maximum
ize Part No.
EZJPZV6R8JA 3.7 6.8 220max 175typ. 5
0201
●Operating Temperature Range : -40 to 85°C
*Recommend soldering method : Reflow soldering
EZJPZV6R8GA 3.7 6.8 100max 100typ. 5
EZJPZV120GA 6.7 12 100max 100typ. 5
EZJPZV120DA 6.7 12 27max 33typ. 1
EZJPZV270RA 16 27 20max. 16.5typ. 1
allowable
voltage
at DC (V)
Nominal
varistor
voltage
at 1mA (V)
Maximum Allowable Voltage Maximum DC Voltage that can be applied continuously within the operating temperature range
Varistor Voltage Varistor starting voltage between terminals at DC 1mA, also known as Breakdown voltage
Maximum Peak Current Varistor’s maximum current under the standard pulse 8/20µs, 2 times based on IEC60
Maximum ESD
Varistor’s maximum voltage under ESD based on IEC61000-4-2, 10 times
(5 times of each positive-negative polarity)
Design and specifications are each subject to change without notice. Ask fa ctory 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.
■ Recommended Applications
- 1 -
Mobile phone SW, LCD, LED, Audio terminal,
DSC, DVC SW, LCD, LED, USB
PC, PDA SW, LCD, LED, USB
TV, DVD Audio, Video terminal
Audio Audio terminal, Microphone, Receiver
Game console Controller, External IF
Capacitance (pF)
at 1MHz at 1kHz
Battery pack, Memory card, External IF
Maximum
peak current
at 8/20µs, 2times
(A)
Maximum ESD
at IEC61000-4-2
Contact discharge
8kV
- 2 -
Multilayer Varistors
■ Voltage vs. Current
100
Max. Leakage Current
Max. Clamping Voltage
EZJPZV270RA
EZJPZV120□A
EZJPZV6R8□A
10
Voltage (V)
1
-6
10
1E-06 0.00001 0.0001 0.001 0.01 0.1 1 10
10
-5
10
EZJPZV120□A
EZJPZV6R8□A
-4
10
EZJPZV270RA
-3
-2
10
Current (A)
10
-1
10010
1
2
10
■Frequency vs. Capacitance ■Frequency vs. Attenuation
1000
220pFmax.
100pFmax.
100
27pFmax.
20pFmax.
10
Capacitance [pF]
1
0.1 1 10 100 1000 10000
Frequency [MHz]
10
0
-10
-20
-30
Attenuation [dB]
-40
-50
-60
0.1 1 10 100 1000 10000
220pFmax.
100pFmax.
Frequency [MHz]
20pFmax.
27pFmax.
Design and specifications are each subject to change without notice. Ask fa ctory 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.
- 3 -
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.
Current (A)
[Equivalent Circuit]
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, 8kV
Electrostatic discharger
330Ω
150pF
Attenuator : 60dB
Oscillo-sc
50Ω
ope
MLCV
1200
1000
800
600
400
電圧 (V)
Voltage (V)
200
-200
[ESD suppressed waveform]
Without Varistor
EZJPZV6R8GA
: 6.8V,C
[V
1mA
0
-20 0 20 40 60 80 100 120 140 160 180 200
時間 (nSecs)
Time (ns)
:100pFmax.]
1MHz
*
IEC61000-4-2 … International Standard of the ESD testing method (HBM) setting 4 levels of severity
Severity Level 1 Level 2 Level 3 Level 4
Contact discharge 2kV 4kV 6kV 8kV
Air discharge 2kV 4kV 8kV 15kV
Replacement of Zener diode
■
Using a Multilayer Varistor to replace a “Zener diode & Capacitor” saves both the amount of space and number of
components used.
1.7
0.3
2.6
Mounting area
Approx.93%space saving
0.3
0.9
Design and specifications are each subject to change without notice. Ask fa ctory 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.
Zener diode
S-79
MLCC
Size 0402
MLCV
Size 0201
Dimensions in mm
- 4 -