V o l t a g e
P r o t e c t i o n
D e v i c e s
February 2022
RoHS
Chip varistors
Voltage Protection Devices
Automotive grade
AVR series
AVRM, AVR-M series
AVRM1608/AVR-M1608
AVRM2012/AVR-M2012
JIS 1608 [EIA 0603]
JIS 2012 [EIA 0805]
AVRL series
AVRL10
AVRL16
JIS 1005 [EIA 0402]
JIS 1608 [EIA 0603]
AVRH series
AVRH10
JIS 1005 [EIA 0402]
REACH
SVHC-Free
Cl
Br
Pb
Halogen
Free
Lead
Free
(2/14)
Voltage Protection Devices
Product compatible with RoHS directive
Compatible with lead-free solders
AEC-Q200
Chip varistors
Automotive grade
Overview of the AVR series
CHARACTERISTICS OF CHIP VARISTOR
Varistors are voltage dependent nonlinear resistive elements with
a resistance that decreases rapidly when the voltage is over the
constant value.
Varistors become zener diode of 2 serial connection and equivalent, and does not have polarity.
CURRENT vs. VOLTAGE CHARACTERISTICS
EQUIVALENT CIRCUIT OF CHIP VARISTORS
2 Zener Diodes
A capacitance content
CHIP VARISTORS FEATURE FOR AUTOMOTIVE
GRADE
Current(A)
10–1
Reliability characteristics evaluated based on AEC-Q200 condition.
High ESD withstanding voltage
Small-sized products are available
125°C, 150°C Supported
10–2 Zener diode
/Vz:6.8V
Positive direction
10–3
Chip varistor
/V1mA:12V
10–4
10–5
–18 –14
–10
–6
–2
2
–10–5
6
10
14
18
–10–4
–10–3
Negative direction
–10–2
Figure 1 internal structure of multilayer chip varistors
–10–1
①
Voltage(V)
THE EFFECT OF THE VARISTOR
Without varistor
A malfunction and failure of electronic equipment
ESD, Surge voltage
Power line
Signal line
IC
②
⑤
With Varistor
Suppress transient voltage by inserting varistor in a circuit
ESD, Surge voltage
Power line
Signal line
IC
No.
(1)
(2)
(3)
(4)
(5)
④
③
Name
Semiconductor ceramic
Internal electrode(Pd)
Terminal electrode
Ag
Ni
Sn
Insert a varistor between
a line and ground
: Chip varistor
20220209 / vpd_automotive_varistors_avr_en.fm
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Voltage Protection Devices
Product compatible with RoHS directive
Compatible with lead-free solders
AEC-Q200
Chip varistors
Automotive grade
Overview of the AVR series
COMMUNICATION STANDARD, CIRCUIT EXAMPLE AND COMMUNICATION STANDARD
LIN/CXPI
Type
Chip
varistors
Dimensions
code
JIS
[EIA]
1005 [0402]
1608 [0603]
2012 [0805]
Classical CAN
CAN/CAN-FD
Coil, Bead
LIN/CXPI
Transceiver
Connector
CAN
Transceiver
Connector
CMF
Varistor
CAN
Transceiver
Connector
CMF
Varistor
Varistor
20 kbps
N/A
AVRM1608C270KT221M
N/A
1 Mbps
AVRH10C270KT150NA8
AVR-M1608C270MTAAB
N/A
2-8 Mbps
AVRH10C270KT150NA8
AVR-M1608C270MTABB
N/A
FlexRay
MOST50
USB2.0
CMF
ETXP
Type
Dimensions
code
JIS
[EIA]
ETXN
CAN
Transceiver
CMF
Varistor
CMF
D+
Connector
Varistor
Chip
varistors
Type
Dimensions
code
JIS
[EIA]
ERXP
Varistor
Varistor
10 Mbps
AVRH10C270KT150NA8
AVR-M1608C270MTABB
N/A
50 Mbps
AVRH10C270KT150NA8
AVR-M1608C270MTAAB
N/A
480 Mbps
AVRL101D3R3FTA
AVRL161D3R3FTA
N/A
One-Pair
Ethernet
100BASE-T1
One-Pair
Ethernet
1000BASE-T1
Motors
CMF
100BASE-T1
PHY
CMF
Connector
Varistor
100Mbps
Chip
varistors
D-
ERXN
Varistor
1005 [0402]
1608 [0603]
2012 [0805]
HOST
Varistor
1005 [0402]
AVRH10C101KT4R7FA8
1608 [0603]
2012 [0805]
N/A
N/A
1000BASE-T1
PHY
• Varistor(ESD)
Connector
Varistor
1000Mbps
AVRH10C101KT1R1NE8
AVRH10C221KT1R5YA8
N/A
N/A
M
B
N/A
AVR-M1608C270KT6AB
AVR-M2012C390KT6AB
Please be sure to request delivery specifications that provide further details on the features and specifications of the products for proper and safe use.
Please note that the contents may change without any prior notice due to reasons such as upgrading.
20220209 / vpd_automotive_varistors_avr_en.fm
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Voltage Protection Devices
Product compatible with RoHS directive
Compatible with lead-free solders
AEC-Q200
Chip varistors
Automotive grade
Overview of the AVR series
PART NUMBER CONSTRUCTION
AVRM
1608
C
Series name
LxW
dimensions
Structure code
390
K
T
271
N
Varistor voltage
Varistor voltage
tolerance
Packaging style
(V)
(%)
Capacitance or
internal special
symbol
(pF)
Capacitance
tolerance
(%)
(mm)
AVRM series
1608
1.6×0.8
2012
2.0×1.2
C
General
structure
390=39×100
220
270
390
AVR-M
1608
C
Series name
LxW
dimensions
(mm)
Structure code
AVR-M series
1.6×0.8
2012
2.0×1.2
Series name
AVRL series
L=Low cap
C
General
structure
220
270
390
LxW
dimensions
(mm)
10
1.0×0.5
16
1.6×0.8
Maximum
continuous voltage
(Vdc)
1A
10
Series name
LxW
dimensions
C
Structure
code
10 1.0×0.5
H=High Reliability
±20
±30
B
Bulk
Varistor
voltage
270=27×100
270
390
101
Packaging style
Company
special symbol
K
±10
T
Taping
M
N
±20
±30
B
Bulk
F
K
K
27
39
100
Capacitance
tolerance
(pF)
F
±1
G
±2
T
±10
220
270
Varistor voltage
tolerance
(%)
(pF)
3.3
6.8
Varistor
voltage
tolerance
(%)
221
271
AAB
Capacitance
3R3
6R8
271=27×101
K
±10
M
N
±20
±30
T
A
Packaging style
Company
special symbol
T
B
Taping
Bulk
150
N
A
8
ESD voltage Operating
Capacitance Capacitance
amount
temperature
Packaging style
tolerance IEC61000-4-2
limit
(°C)
(pF)
(kV)
T
Taping
B
Bulk
150=15×100
N
±30%
150
500
4R7
F
±1pF
15
50
4.7
A
25
8
150
W
L
M
N
3R3
(V)
C
Taping
T
22
27
39
270
(mm)
General
structure
T
M
270=27×100
1A
10
AVRH series
Varistor voltage
10
AVRH
±10
270
(V)
1608
AVRL
22
27
39
K
T
Shape symbol(JIS)
1005
1608
2012
L
1.00±0.05
1.60±0.1
2.00±0.2
W
0.50±0.05
0.80±0.1
1.25±0.2
T
0.50±0.05
0.80±0.1
1.00±0.2
B
0.1min.
0.2min.
0.2min.
B
Please be sure to request delivery specifications that provide further details on the features and specifications of the products for proper and safe use.
Please note that the contents may change without any prior notice due to reasons such as upgrading.
20220209 / vpd_automotive_varistors_avr_en.fm
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Voltage Protection Devices
Product compatible with RoHS directive
Compatible with lead-free solders
AEC-Q200
Chip varistors
Automotive grade
Overview of the AVR series
OPERATING TEMPERATURE RANGE, PACKAGE QUANTITY, PRODUCT WEIGHT
Temperature range
Operating temperature
(°C)
Type
Storage temperature
(°C)
Package quantity
Individual weight
(pieces/reel)
(mg)
10,000
1.2
4,000
5
2,000
13
AVRM1005
AVR-M1005
–40 to +125
–40 to +125
AVRL10
AVRH10
–55 to +150
–55 to +150
AVRM1608
AVRL16
–40 to +125
–40 to +125
AVR-M1608
AVR-M2012
Operating temperature range includes self-temperature rise.
The storage temperature range is for after the assembly.
TERMINOLOGY
Item
Varistor voltage
(Breakdown voltage)
Unit
V1mA
(V)
Maximum continuous voltage
Vdc
(V)
Clamping voltage
Maximum energy
Maximum peak current
Capacitance
1
Vcl
(V)
E
(Joule)
Ip
(A)
C
(pF)
Chip varistor-terminal voltage when DC1mA was flowed
DC voltage that is continuously applied between chip varistor terminals
Terminal chip varistors leakage current-value: 50µA max
Voltage appearing across the varistor when a pulse current (8/20µs1) of specified peak value is applied.
Voltage between terminal chip varistors of the Specified peak current value of the impulse current(8/
20µs1) is applied
When applied specified peak impulse current-value current(10/1000µs2) once, maximum energy that
electrical property of chip varistors be not deteriorated
When applied impulse current(8/20µs1) once, maximum current that electrical property of chip varistors
be not deteriorated
Oscillator frequency 1kHz or 1MHz, Capacitance between chip varistor-terminal in oscillator voltage
1Vrms
2
8/20µs test waveform
100%
90%
10/1000µs test waveform
100%
90%
Current
Current
Description
50%
8µs
50%
10µs
20µs
1000µs
Time
Time
Please be sure to request delivery specifications that provide further details on the features and specifications of the products for proper and safe use.
Please note that the contents may change without any prior notice due to reasons such as upgrading.
20220209 / vpd_automotive_varistors_avr_en.fm
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Voltage Protection Devices
Product compatible with RoHS directive
Compatible with lead-free solders
AEC-Q200
Chip varistors
Automotive grade
AVR series (Automotive grade)
Product characteristics list
PRODUCT CHARACTERISTICS LIST
Item
Size
V (1mA)
C1kHz
*C1MHz
Vdc
AVRL101D3R3FTA
AVRL101D6R8GTA
AVRH10C270KT150NA8
AVRH10C270KT350NA8
AVRH10C390KT500NA8
AVRH10C101KT4R7FA8
AVRH10C101KT4R7YA8
AVRH10C101KT1R1NE8
AVRH10C221KT1R5YA8
AVRL161D3R3FTA
AVRL161D6R8GTA
AVR-M1608C220KT2AB
AVR-M1608C220KT6AB
AVR-M1608C270MTABB
AVR-M1608C270MTAAB
AVR-M1608C270KTACB
AVRM1608C270KT800M
AVR-M1608C270KT2AB
AVRM1608C270KT221M
AVR-M1608C270KT6AB
AVRM1608C390KT271N
AVRM1608C560KT101M
AVRM1608C720KT750M
AVR-M2012C220KT6AB
AVRM2012C330KT801N
AVR-M2012C390KT6AB
AVRM2012C560KT251M
AVRM2012C720KT201M
(mm)
1.0 x 0.5 (EIA0402)
1.0 x 0.5 (EIA0402)
1.0 x 0.5 (EIA0402)
1.0 x 0.5 (EIA0402)
1.0 x 0.5 (EIA0402)
1.0 x 0.5 (EIA0402)
1.0 x 0.5 (EIA0402)
1.0 x 0.5 (EIA0402)
1.0 x 0.5 (EIA0402)
1.6 x 0.8 (EIA0603)
1.6 x 0.8 (EIA0603)
1.6 x 0.8 (EIA0603)
1.6 x 0.8 (EIA0603)
1.6 x 0.8 (EIA0603)
1.6 x 0.8 (EIA0603)
1.6 x 0.8 (EIA0603)
1.6 x 0.8 (EIA0603)
1.6 x 0.8 (EIA0603)
1.6 x 0.8 (EIA0603)
1.6 x 0.8 (EIA0603)
1.6 x 0.8 (EIA0603)
1.6 x 0.8 (EIA0603)
1.6 x 0.8 (EIA0603)
2.0 x 1.2 (EIA0805)
2.0 x 1.2 (EIA0805)
2.0 x 1.2 (EIA0805)
2.0 x 1.2 (EIA0805)
2.0 x 1.2 (EIA0805)
(V)
27(21.6 to 32.4)
27(21.6 to 32.4)
27(24.0 to 30.0)
27(24.0 to 30.0)
39(35.0 to 43.0)
100(90 to 110)
115(103.5 to 126.5)
110(100 to 120)
220 (198 to 242)
27(21.6 to 32.4)
27(21.6 to 32.4)
22(19.8 to 24.2)
22(19.8 to 24.2)
27(21.6 to 32.4)
27(21.6 to 32.4)
27(24.0 to 30.0)
27(24.0 to 30.0)
27(24.0 to 30.0)
27(24.0 to 30.0)
27(24.0 to 30.0)
39(35.0 to 43.0)
56(50.4 to 61.6)
72(64.8 to 79.2)
22(19.8 to 24.2)
33(29.7 to 36.3)
39(35.0 to 43.0)
56(50.4 to 61.6)
72(64.8 to 79.2)
(pF)
3.3(2.3 to 4.3)*
6.8(4.8 to 8.8)*
15(10.5 to 19.5)
35(24.5 to 45.5)
50(35 to 65)
4.7(3.7 to 5.7)*
4.7(4.13 to 5.27)*
1.1(0.8 to 1.4)*
1.5(1.37 to 1.63)*
3.3(2.3 to 4.3)*
6.8(4.8 to 8.8)*
210(147 to 273)
560(392 to 728)
15(10.5 to 19.5)
30(21 to 39)
60(42 to 78)
80(64 to 96)
160(112 to 208)
220(176 to 264)
430(301 to 339)
270(189 to 351)
100(80 to 120)
75(60 to 90)
800(560 to 1040)
800(560 to 1040)
430(301 to 559)
250(200 to 300)
200(160 to 240)
DC (V)
20
20
19
19
28
70
70
70
70
20
20
16
16
17
17
19
19
19
19
19
28
40
53
16
24
28
40
53
Clamping
voltage
8/20µs Pulse
Vcl (V)
62(0.5A)
58(1A)
52(2A)
52(2A)
72(2A)
190(1A)
212 (1A)
190 (0.3A)
400 (0.5A)
62(0.5A)
58(1A)
37(2A)
34(2A)
52(2A)
52(2A)
54(2A)
53(2A)
42(2A)
52(2A)
42(2A)
69(2A)
113(2A)
135(2A)
38(5A)
59(5A)
62(5A)
113(5A)
142(5A)
Maximum energy
10/1000µs Pulse
0.01
0.01
0.02
0.02
0.02
0.03
0.03
0.01
0.01
0.01
0.01
0.03
0.10
0.05
0.05
0.05
0.02
0.10
0.10
0.10
0.10
0.10
0.10
0.30
0.50
0.30
0.30
0.30
Maximum peak
current
8/20µs Pulse
Ip (A)
0.5
1
2
8
15
1
1
0.3
0.5
0.5
1
10
30
2
2
10
28
20
40
48
78
60
40
100
240
100
150
100
IEC61000-4-2
(Contact)
150pF/330
8kV
8kV
25kV
25kV
25kV
25kV
25kV
8kV
25kV
8kV
8kV
25kV
25kV
25kV
25kV
25kV
25kV
25kV
25kV
25kV
25kV
25kV
25kV
25kV
25kV
25kV
25kV
25kV
Please be sure to request delivery specifications that provide further details on the features and specifications of the products for proper and safe use.
Please note that the contents may change without any prior notice due to reasons such as upgrading.
20220209 / vpd_automotive_varistors_avr_en.fm
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Voltage Protection Devices
Product compatible with RoHS directive
Compatible with lead-free solders
AEC-Q200
Chip varistors
Automotive grade
AVR series Electrostatic absorption characteristics
DISCHARGE VOLTAGE WAVEFORM (EXAMPLE)
1800
1600
1400
1200
1000
800
600
400
200
0
–200
–50
WAVEFORM AT VARISTOR INSTALLATION
Without Varistor
Voltage(V)
Voltage(V)
WITHOUT VARISTOR, WAVEFORM AT VARISTOR INSTALLATION
AVRH10C270KT150NA8
AVR-M1608C270KT6AB
AVR-M1608C220KT6AB
0
50
100
150
Time(ns)
200
250
300
180
160
140
120
100
80
60
40
20
0
–20
–50
AVRH10C270KT150NA8
AVR-M1608C270KT6AB
AVR-M1608C220KT6AB
0
50
100
150
Time(ns)
200
250
300
Test conditions
150pF/330 (IEC61000-4-2)
Contact discharge, Charged voltage 8kV
TEST CIRCUIT DIAGRAM
Discharge gun
Test
sample
60dB attenuator
ESD
simulator
50Ω
Oscilloscope
I/O impedance: 50Ω
Shield
Discharge
Point
SMA
Connector
PCB
ESD Simulator
Chip
Varistor
Coaxial
Cable
Attenuator(60dB)
50Ω
Oscilloscope
50Ω
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Please note that the contents may change without any prior notice due to reasons such as upgrading.
20220209 / vpd_automotive_varistors_avr_en.fm
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Voltage Protection Devices
Product compatible with RoHS directive
Compatible with lead-free solders
AEC-Q200
Chip varistors
Automotive grade
AVR series Electrostatic discharge tests
APPLIED VOLTAGE STEP(VOLTAGE 10TIMES APPLIED)
REPEATED VOLTAGE APPLICATION(∼1000 times )
20
20
15
15
10
10
ΔV1mA/V1mA(%)
ΔV1mA/V1mA(%)
AVRH10C270KT150NA8 (Voltage % change at reference current: within ±10%)
5
0
–5
–10
5
0
–5
–10
–15
–15
–20
+25kV/-25kV
Initial
±8
±10
±15
±20
Applied voltage (kV)
–20
±25
Initial
1
10
100
300
500
Number of discharge (time)
1000
20
20
15
15
10
10
ΔV1mA/V1mA(%)
ΔV1mA/V1mA(%)
AVR-M1608C270MTAAB (Voltage % change at reference current: within ±10%)
5
0
–5
–10
5
0
–5
–10
–15
–15
–20
+25kV/-25kV
Initial
±8
±10
±15
±20
Applied voltage (kV)
–20
±25
Initial
1
10
100
300
500
Number of discharge (time)
1000
20
20
15
15
10
10
ΔV1mA/V1mA(%)
ΔV1mA/V1mA(%)
AVR-M2012C390KT6AB (Voltage % change at reference current: within ±10%)
5
0
–5
–10
5
0
–5
–10
–15
–15
–20
+25kV/-25kV
–20
Initial
±8
±10
±15
±20
Applied voltage (kV)
±25
Initial
1
10
100
300
500
Number of discharge (time)
1000
5
5
4.5
4.5
Capacitance(pF)
Capacitance(pF)
AVRL101D3R3FTA(Capacitance: 5pF or less)
4
3.5
3
2.5
2
+8kV/-8kV
4
3.5
3
2.5
Initial
±4
±6
±8
±10
Applied voltage (kV)
±15
2
Initial
1
10
100
300
500
Number of discharge (time)
1000
* ESD condition: 150pF/330(IEC61000-4-2)
Please be sure to request delivery specifications that provide further details on the features and specifications of the products for proper and safe use.
Please note that the contents may change without any prior notice due to reasons such as upgrading.
20220209 / vpd_automotive_varistors_avr_en.fm
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Voltage Protection Devices
Product compatible with RoHS directive
Compatible with lead-free solders
AEC-Q200
Chip varistors
Automotive grade
Attention on a circuit board design
Board design
When attached to chip varistors, amount of silver used (fillet size)
has direct impact on chip varistors after mounting. Thus, sufficient
consideration is necessary.
Set of land dimensions
(1) As the stress rises in the chip varistors owing to the increase in
silver, breakage and cracks will occur. Cause including crack, as
caution on board land design, configure the shape and dimensions
so that the amount of silver is appropriate. If you installed 2 or
more parts in the Common Land, separated by a solder resist and
special land of each component.
C
B
(2) When peak levels panning-at soldering is excessive, by solder
contraction stress, mechanical-thermal stress causes a Yasuku
chip crack. In addition, when the peak level is underestimated, terminal electrode fixed strength is insufficient. This causes chip
dropouts and may affect circuit reliability. Representative example
of the panning of peak levels is shown in the following.
Recommended silver dose
Solder stress is increased,
and it is easy for a crack to
form.
Solder volume
overload
Most large serving amount
Minimum prime amount
Decent solder
volume
Fixed strength is weak, and
there is connection a problem and risk of loss.
Solder volume
deficit
A
Case and suggested protocol want to avoid
Dimensions shape
1005
1608
2012
Symbol
A
0.30 to 0.50
0.60 to 0.80
0.90 to 1.20
B
0.35 to 0.45
0.60 to 0.80
0.70 to 0.90
C
0.40 to 0.60
0.60 to 0.80
0.90 to 1.20
Example
Improvement example
(land division)
Cases to avoid
Leads
Leads
Chip
Solder
Solder resist
Lead wire and land
of part discrete
doubles up
PCB
Chassis
Solder
(ground solder)
Solder resist
Arrangements in
the vicinity
L1
L2
L2>L1
Land
Arrangements of
chip component's
companion
Excess solder
Solder resist
Land
Missing solder
Please be sure to request delivery specifications that provide further details on the features and specifications of the products for proper and safe use.
Please note that the contents may change without any prior notice due to reasons such as upgrading.
20220209 / vpd_automotive_varistors_avr_en.fm
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Voltage Protection Devices
Product compatible with RoHS directive
Compatible with lead-free solders
AEC-Q200
Chip varistors
Automotive grade
Attention on a circuit board design
Arrangements of components
(1) I was based on camber of substrate and suggested protocol of
chip varistors arrangement, as stress does not join to the utmost is
shown in following.
(2) In payment near by board, depending on mount position of chip
varistors, as mechanical stress varies, please refer to the following
diagram.
Substrate for flexural stress Substrate for flexural stress
Adverse events
Good example
E
D
Perforation
Perforation or slit
C
Perforation or slit
B
A
Direction of
surface solder
Slit
Solder the mountain fold as a Solder the mountain fold as a
top.
bottom. [Please review the
italicized portion, as I am
unsure what you mean to convey here.]
Perforation or slit
The order of A > B = C > D > E eases the stress.
Perforation or slit
Chip
arrangements
(direction)
Mounted vertically to the per- Mounted horizontally to the
foration and slit.
perforation and slit.
L1
Distance from
perforation
and slit
portion
L2
(L1
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