AWC0000C21

Multilayer Varistors
Multilayer Varistor for ESD pulse
[DC voltage lines]
Series: EZJS
Features
● Excellent ESD suppression due to original advanced material technology
● Having large electrostatic resistance meeting IEC61000-4-2, Special Level 30 kV standard
● Having no polarity (bipolar) facilitated replacing Zener Diodes. Capable of replacing 2 Zener Diodes and 1 Capacitor.
● Lead-free terminal electrodes enabling great solderability
● RoHS compliant
■ As for Packaging Methods, Handling Precautions
Please see Data Files
Explanation of Part Numbers
1
2
3
4
5
6
7
8
9
10
E
Z
J
S
2
Y
D
4
7
2
Product Code
0603
0805
12
(Example)
Design Code
Series Code
Size Code
1
2
11
Max. Allowable
Voltage Code
Packaging Style Code
V f180 reel, Paper Taping
Y f180 reel, Embossed Taping
B
C
D
DC 6 V
DC 18 V
DC 30 V
Nominal Capacitance
The first and second
digits denote the first 2
figures of capacitance
and the third digit
indicates the number
of zeros following.
Construction
3
4
5
Name
1
Semiconductive Ceramics
2
Internal electrode
3
2
1
No.
4
Substrate electrode
Terminal electrode
5
Intermediate electrode
External electrode
Dimensions in mm (not to scale)
L
W
Size Code Size(inch)
T
L1
L2
L
W
T
L1, L2
1
0603
1.60±0.15
0.8±0.1
0.8±0.1
0.3±0.2
2
0805
2.0±0.2
1.25±0.20
0.8±0.2
1.25±0.20
0.50±0.25
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.
02
Jun. 2015
Multilayer Varistors
Ratings and Characteristics
Size
Part No.
EZJS1VB822
EZJS1VC392
EZJS1VD182
EZJS2VB223
EZJS2YC822
EZJS2YD472
0603
0805
● Operating
Maximum Allowable
Voltage
DC (V)
6
18
30
6
18
30
Nominal Varistor
Voltage
at 0.1 mA (V)
12
30
50
12
30
50
Capacitance
at 1 kHz (pF)
Maximum ESD
IEC61000-4-2
8200 typ.
3900 typ.
1800 typ.
22000 typ.
8200 typ.
4700 typ.
Contact discharge :
30 kV
Temperature Range: –40 to 85 °C
✽ Avoid flow soldering
Voltage vs. Current
Max. Leakage Current
Max. Clamping Voltage
1000
EZJS□□D□□□
EZJS□□C□□□
100
Voltage (V)
EZJS□□B□□□
10
(Typical curve)
1
–6
10
10–5
10–4
10–3
10–2
Current (A)
Frequency vs. Capacitance
10–1
100
101
102
Attenuation vs. Frequency
100000
10
(Typical curve)
0
1800 pF typ.
–10
8200 pF typ.
10000
4700 pF typ.
3900 pF typ.
Attenuation (dB)
Capacitance (pF)
22000 pF typ.
3900 pF typ.
4700 pF typ.
–20
–30
–40
8200 pF typ.
22000 pF typ.
–50
1800 pF typ.
–60
(Typical curve)
1000
1
10
100
10000
1000
Frequency (kHz)
100000
1000000
–70
1
10
100
1000
10000
Frequency (kHz)
100000
1000000 10000000
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.
02
Jun. 2015
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)
Zener diode
Zener diode
monopolar 2pcs.
Voltage (V)
Capacitor 1 pc.
Multilayer Varistor
ESD Suppressive Effects
Typical effects of ESD suppression
Test conditions: IEC61000-4-2✽ Level 4 Contact discharge, 8 kV
[ESD suppressed waveform]
1400
1200
Without Varistor
Electrostatic discharger
Voltage (V)
1000
Attenuator : 60 dB
330 Ω
50 Ω
Oscillo-scope
150 pF
800
EZJP0V080GA
[V1 mA:8 V, C1 MHz:100 pF max.]
600
400
200
0
MLCV
-200
–20
0
20
40
60
80
100 120
Time (ns)
140
160
180
200
✽ 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
2.6
Zener diode
S-79
Mounting area
Approx .83 % space saving
MLCC
Size 0402
1.5
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.
02
Jun.
Jan. 2015
Multilayer Varistors
Recommended Applications
Applications
Series
Mobile phones, DSC, PC, PDA,
Series
HDD TV (PDP, LC etc.), DVD, DVC,
EZJZ, P
Game consoles, Audio equipment
PWR, Photoelectronic sensors,
SSR, Motors, Pressure sensors,
Proximity switches
DC 1k
1M
Circuit
1G (Hz)
DC to GHz
Antenna, RF circuit, LVDS
USB, IEEE1394, HDMI etc.
DC to tens of Hz
PWR, SW, Audio terminals
LCD, RS232C, etc.
Ultra low capacitance
(Cap. : 3 pF or less)
Low capacitance
(Cap. : 20 to 680 pF)
Series
High capacitance
EZJS (Cap. : 1800 to 22000 pF)
DC to several kHz
PWR, SW, Audio terminals etc.
Applications
●
Mobile Phone
· Audio lines
· LCD/Camera lines
2 mode noise filter
AMP
LCD/Camera
controller
FPC
LCD/Camera
· LED
IC
· I/O data lines
· SW/Keyboard
I/O
controller
Connector
IC
●
USB1.1/2.0 lines
●
IEEE1394 lines
VDD
Power
IC
D+
USB
controller
D–
GND
IEEE1394
controller
VDD
GND
TPA+
TPA–
TPB+
TPB–
●
HDMI lines
HDMI
IC
Ch : 0
Ch : 1
Ch : 2
TMDS
Connector
Clock
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.
02
Jun.
Jan. 2015
Multilayer Varistors
Performance and Testing Methods
Characteristics
Specifications
Standard test
conditions
Testing Method
Electrical characteristics shall be measured under the following conditions.
Temp. : 5 to 35 °C, Relative humidity : 85 % or less
Varistor voltage
The Varistor voltage is the voltage (Vc,or VcmA) between both end terminals of a
To meet the specified
Varistor when specified current (CmA) is applied to it. The measurement shall be
value.
made as quickly as possible to avoid heating effects.
Maximum
allowable voltage
To meet the specified
The maximum DC voltage that can be applied continuously to a varistor
value.
Capacitance
To meet the specified Capacitance shall be measured at the specified frequency, bias voltage 0 V,
value.
and measuring voltage 0.2 to 2 Vrms.
Maximum peak
current
The maximum current measured (Varistor voltage tolerance is within ±10 %)
To meet the specified
when a standard impulse current of
value.
8/20 µ seconds is applied twice with an interval of 5 minutes.
Maximum ESD
The maximum ESD measured (while the varistor voltage is within ±30 % of its
To meet the specified
nominal value) when exposed to ESD 10 times
value.
(five times for each positive-negative polarity) based on IEC61000-4-2.
Solder ability
The part shall be immersed into a soldering bath under the conditions below.
Solder: H63A
Soldering flux
: Ethanol solution of rosin (Concentration approx. 25 wt%)
To meet the specified
Soldering temp. : 230±5 °C
value.
Period
: 4±1 s
Soldering position : Immerse both terminal electrodes until they are completely
into the soldering bath.
Resistance to
soldering heat
After the immersion, leave the part for 24 ±2 hours under the standard condition,
then evaluate its characteristics. Soldering conditions are specified below:
ΔVc / Vc : within ±10 % Soldering conditions : 270 °C, 3 s / 260 °C, 10 s
Soldering position : Immerse both terminal electrodes until they are completely
into the soldering bath.
After repeating the cycles stated below for specified number of times, leave
the part for 24±2 hours, then evaluate its characteristics.
Cycle : 5 cycles
Temperature
cycling
ΔVc / Vc : within ±10 %
Step
Temperature
Period
1
Max. Operating Temp.
30±3 min
2
Ordinary temp.
3 min max.
3
Min. Operating Temp.
30±3 min
4
Ordinary temp.
3 min max.
Biased Humidity
After conducting the test under the conditions specified below, leave the part
24±2 hours, then evaluate its characteristics.
Temp.
: 40±2 °C
ΔVc / Vc : within ±10 %
Humidity
: 90 to 95 %RH
Applied voltage : Maximum allowable voltage (Individually specified)
Period
: 500+24 / 0 h
High temperature
exposure
(dry heat)
After conducting the test under the conditions specified below, leave the part
24 ±2 hours, then evaluate its characteristics.
ΔVc / Vc : within ±10 % Temp.
: Maximum operating temperature ±3 °C (Individually specified)
Applied voltage : Maximum allowable voltage (Individually specified)
Period
: 500+24 / 0h
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.
02
Jun. 2015
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