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
11
12
(Example)
Design Code
E
Z
Product Code
J
S
Series Code
2
Y
D
4
7
2
Size Code
1
2
0603
0805
Packaging Style Code
V
f180
reel, Paper Taping
Y
f180
reel, Embossed Taping
Max. Allowable
Voltage Code
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
No.
1
3
4
5
1
2
Name
Semiconductive Ceramics
Internal electrode
Substrate electrode
Terminal electrode
Intermediate electrode
External electrode
2
3
4
5
Dimensions in mm (not to scale)
L
W
Size Code Size(inch)
T
L
1.60±0.15
2.0±0.2
W
0.8±0.1
1.25±0.20
T
0.8±0.1
0.8±0.2
1.25±0.20
L
1
, L
2
0.3±0.2
0.50±0.25
1
2
L
1
L
2
0603
0805
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
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)
8200 typ.
3900 typ.
1800 typ.
22000 typ.
8200 typ.
4700 typ.
Maximum ESD
IEC61000-4-2
0603
Contact discharge :
30 kV
0805
●
Operating
Temperature Range: –40 to 85 °C
½
Avoid flow soldering
Voltage vs. Current
Max. Leakage Current
1000
Max. Clamping Voltage
EZJS□□D□□□
EZJS□□C□□□
100
Voltage (V)
EZJS□□B□□□
10
(Typical curve)
1
10
–6
10
–5
10
–4
10
–3
10
–2
Current (A)
10
–1
10
0
10
1
10
2
Frequency vs. Capacitance
100000
(Typical curve)
Attenuation vs. Frequency
10
0
1800 pF typ.
22000 pF typ.
–10
Attenuation (dB)
–20
–30
–40
–50
–60
(Typical curve)
8200 pF typ.
22000 pF typ.
3900 pF typ.
4700 pF typ.
Capacitance (pF)
10000
8200 pF typ.
4700 pF typ.
3900 pF typ.
1800 pF typ.
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
Voltage (V)
Multilayer Varistor
Zener diode
monopolar 2pcs.
Capacitor 1 pc.
ESD Suppressive Effects
Typical effects of ESD suppression
Test conditions: IEC61000-4-2
½
Level 4 Contact discharge, 8 kV
[ESD suppressed waveform]
1400
1200
1000
Voltage (V)
Electrostatic discharger
330
Ω
150 pF
Attenuator : 60 dB
50
Ω
800
600
400
200
0
MLCV
-200
–20
0
20
40
60
80
100 120
Time (ns)
140
160
180
200
Without Varistor
EZJP0V080GA
[V1 mA:8 V, C1 MHz:100 pF max.]
Oscillo-scope
½
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
Mounting area
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.
02
Jun. 2015
Jan.
Multilayer Varistors
Recommended Applications
Applications
Series
Ultra low capacitance
(Cap. : 3 pF or less)
Low capacitance
(Cap. : 20 to 680 pF)
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.
DC to several kHz
PWR, SW, Audio terminals etc.
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
Series
High capacitance
EZJS (Cap. : 1800 to 22000 pF)
Applications
●
Mobile Phone
· Audio lines
· LCD/Camera lines
AMP
2 mode noise filter
LCD/Camera
controller
FPC
LCD/Camera
· LED
IC
· I/O data lines
· SW/Keyboard
IC
I/O
controller
Connector
●
USB1.1/2.0 lines
VDD
USB
controller
D+
D–
GND
●
IEEE1394 lines
Power
IC
VDD
GND
TPA+
TPA–
TPB+
TPB–
IEEE1394
controller
●
HDMI lines
HDMI
IC
Ch : 0
Ch : 1
Ch : 2
Clock
TMDS
Connector
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
Jan.
Multilayer Varistors
Performance and Testing Methods
Characteristics
Standard test
conditions
Varistor voltage
Maximum
allowable voltage
Capacitance
Maximum peak
current
Specifications
Testing Method
Electrical characteristics shall be measured under the following conditions.
Temp. : 5 to 35 °C, Relative humidity : 85 % or less
The Varistor voltage is the voltage (V
c
,or V
cmA
) 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.
To meet the specified
The maximum DC voltage that can be applied continuously to a varistor
value.
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.
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.
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.
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.
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.
Maximum ESD
Solder ability
Resistance to
soldering heat
Cycle : 5 cycles
Temperature
cycling
ΔVc
/ Vc : within ±10 %
Step
1
2
3
4
Temperature
Max. Operating Temp.
Ordinary temp.
Min. Operating Temp.
Ordinary temp.
Period
30±3 min
3 min max.
30±3 min
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
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
High temperature
exposure
(dry heat)
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
Microchip MCU
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