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Surface Mount Multilayer Varistor
SC0805ML - SC2220ML Series
Description
The SC Series is based on Multilayer fabrication technology.
These components are designed to suppress a variety of
transient events, including those specified in IEC 61000-4-2 or
other standards used for Electromagnetic Compliance (EMC).
The SC Series is typically applied to protect integrated circuits
and other components at the circuit board level. It can operate
over a wider temperature range than zener diodes.
Features
u
Rectangle, sizes serialization for hybrid integrated circuit
Equivalent Circuits
or printed circuit surface mount components
u
There are many side electrode lead-out material,
particularly suitable for surface mount technology for
solderability and resistance to soldering heat of the
stringent requirements
u
Fast response (<1ns)
u
Low leakage current, low clamping voltage
u
Suitable for reflow, wave soldering and hot air hand
soldering
Applicable
u
Application for Mother Board, Notebook, Cellular Phone,
PDA, handheld device, DSC, DV, Scanner, and Set- Top
Box…etc.
u
Suitable
for
Push-Button,
Power
Line
and
Low
Frequency single line over-voltage protect.
Explanation of Part Number
SC
0805
ML
080
M
(1)
(2)
(3)
(4)
(5)
(1) Socay Logo
(2) Chip Size (EIA): 0402 / 0603
(3) Series Type: ML- Multilayer Varistor
0
0
(4) Varistor Voltage: Value - 080= 08X10 =8V, 120=12X10 =12V
(5) Varistor Voltage Tolerance: N - ±30%, M - ±20%, L - ±15%, K - ±10%
SOCAY Electronics Co., Ltd.
Revision November 28, 2013
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@SOCAY Electronics Co., Ltd. 2013
Specifications are subject to change without notice.
Please refer to www.socay.com for current information.
Surface Mount Multilayer Varistor
SC0805ML - SC2220ML Series
Electrical Characteristics (25±5ºC)
SC0805ML Series
Working Voltage
<20μA
Test Condition
Varistor
Voltage
Clamping
Voltage
Peak
Current
Transient
Energy
Capacitance
@1mA DC
8/20μs
8/20μs
10/1000μs
1KHz
DC
AC RMS
Symbol
VDC
VRMS
VB
VC
IP
ET
CP
Units
Volts
(Max.)
Volts
(Max.)
Volts
Volts
(Max.)
Amps
(Max.)
Joules
(Max.)
pF
SC0805ML050M
3.3
2.0
4.0~6.0
10.0
40
0.1
1190~2210
SC0805ML080M
5.6
4.0
6.4~10.1
15.5
40
0.1
770~1430
SC0805ML120M
9.0
6.0
10.8~16.2
25.0
40
0.1
560~1040
SC0805ML150M
11.0
8.0
13.2~19.8
30.0
40
0.1
525~975
SC0805ML180K
14.0
11.0
16.8~25.2
40.0
40
0.1
434~806
SC0805ML240K
18.0
14.0
21.6~32.4
54.0
40
0.1
385~715
SC0805ML270K
22.0
17.0
26.4~39.6
65.0
40
0.1
336~624
SC0805ML330K
26.0
20.0
31.2~46.8
75.0
40
0.1
280~520
SC0805ML390K
30.0
25.0
36.0~54.0
85.0
40
0.1
210~390
Varistor
Voltage
Clamping
Voltage
Peak
Current
Transient
Energy
Capacitance
@1mA DC
8/20μs
8/20μs
10/1000μs
1KHz
SC1206ML Series
Working Voltage
<20μA
Test Condition
DC
AC RMS
Symbol
VDC
VRMS
VB
VC
IP
ET
CP
Units
Volts
(Max.)
Volts
(Max.)
Volts
Volts
(Max.)
Amps
(Max.)
Joules
(Max.)
pF
SC1206ML050M
3.3
2.0
4.0~6.0
10.0
100
1.0
3010~5590
SC1206ML080M
5.6
4.0
6.4~10.1
15.5
100
1.0
2170~4030
SC1206ML120M
9.0
6.0
10.8~16.2
25.0
100
1.0
1400~2600
SC1206ML180K
14.0
11.0
16.8~25.2
40.0
100
1.0
1120~2080
SC1206ML240K
18.0
14.0
21.6~32.4
54.0
100
1.0
980~1820
SC1206ML270K
22.0
17.0
26.4~39.6
62.0
100
1.0
910~1690
SC1206ML330K
26.0
20.0
31.2~46.8
73.0
100
1.0
770~1430
SC1206ML390K
30.0
25.0
36.0~54.0
85.0
100
1.0
700~1300
SC1206ML470K
39.0
30.0
46.8~70.2
105.0
100
1.0
560~1040
SC1206ML680K
56.0
40.0
67.2~100.8
150.0
100
1.0
300~500
SC1206ML101K
75.0
50.0
90.0~135.0
200.0
100
1.0
180~380
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@SOCAY Electronics Co., Ltd. 2013
Specifications are subject to change without notice.
Please refer to www.socay.com for current information.
Surface Mount Multilayer Varistor
SC0805ML - SC2220ML Series
Electrical Characteristics (25±5ºC)
(Continue)
SC1210ML Series
Working Voltage
<20μA
Test Condition
Varistor
Voltage
Clamping
Voltage
Peak
Current
Transient
Energy
Capacitance
@1mA DC
8/20μs
8/20μs
10/1000μs
1KHz
DC
AC RMS
Symbol
VDC
VRMS
VB
VC
IP
ET
CP
Units
Volts
(Max.)
Volts
(Max.)
Volts
Volts
(Max.)
Amps
(Max.)
Joules
(Max.)
pF
SC1210ML180K
14.0
11.0
16.8~25.2
40
250
1.5
1190~2210
SC1210ML240K
18.0
14.0
21.5~32.4
51
250
1.5
532~988
SC1210ML270K
22.0
17.0
26.4~39.6
62.0
250
1.5
490~910
SC1210ML330K
27.0
20.0
32.4~46.8
75.0
250
1.5
476~884
SC1210ML390K
30.0
25.0
36.0~54.0
85.0
250
1.5
378~702
SC1210ML470K
40.0
30.0
48.0~86.4
105.0
250
1.5
336~624
SC1210ML560K
45.0
35.0
54.0~81.0
125.0
250
1.5
413~767
SC1210ML680K
56.0
40.0
67.2~100.8
150.0
250
1.5
280~520
SC1210ML101K
75.0
50.0
90.0~135.0
200.0
250
1.5
203~377
Varistor
Voltage
Clamping
Voltage
Peak
Current
Transient
Energy
Capacitance
@1mA DC
8/20μs
8/20μs
10/1000μs
1KHz
SC1812ML Series
Working Voltage
<20μA
Test Condition
DC
AC RMS
Symbol
VDC
VRMS
VB
VC
IP
ET
CP
Units
Volts
(Max.)
Volts
(Max.)
Volts
Volts
(Max.)
Amps
(Max.)
Joules
(Max.)
pF
SC1812ML240K
18.0
14.0
21.6~32.4
51.0
800
2.3
3080~5720
SC1812ML270K
24.0
18.0
28.8~43.2
67.0
800
2.7
2100~3900
SC1812ML330K
28.0
21.0
33.6~50.4
78.0
800
2..9
1820~3380
SC1812ML390K
30.0
22.0
36.0~54.0
83.0
800
2.9
1610~2290
SC1812ML560K
45.0
33.0
54.0~81.0
124.0
800
3.1
1260~2340
SC1812ML620K
48.0
35.0
57.6~86.4
132.0
800
3.2
910~1690
SOCAY Electronics Co., Ltd.
Revision November 28, 2013
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@SOCAY Electronics Co., Ltd. 2013
Specifications are subject to change without notice.
Please refer to www.socay.com for current information.
Surface Mount Multilayer Varistor
SC0805ML - SC2220ML Series
Electrical Characteristics (25±5ºC)
(Continue)
SC2220ML Series
Working Voltage
<20μA
Test Condition
Varistor
Voltage
Clamping
Voltage
Peak
Current
Transient
Energy
Capacitance
@1mA DC
8/20μs
8/20μs
10/1000μs
1KHz 1Vrms
DC
AC RMS
Symbol
VDC
VRMS
VB
VC
IP
ET
CP
Units
Volts
(Max.)
Volts
(Max.)
Volts
Volts
(Max.)
Amps
(Max.)
Joules
(Max.)
pF
SC2220ML240K
18.0
14.0
21.6~27.0
51.0
1200
5.8
9800~18200
SC2220ML270K
22.0
17.0
26.4~39.6
62.0
1200
7.2
7700~14300
SC2220ML330K
27.0
20.0
32.4~46.8
75.0
1200
7.8
7000~13000
SC2220ML390K
30.0
25.0
36.0~54.0
85.0
1200
7.8
6300~11700
SOCAY Electronics Co., Ltd.
Revision November 28, 2013
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@SOCAY Electronics Co., Ltd. 2013
Specifications are subject to change without notice.
Please refer to www.socay.com for current information.
Surface Mount Multilayer Varistor
SC0805ML - SC2220ML Series
Dimensions
Size EIA
(EIAJ)
L
W
T
Length (L)
Width (W)
Thickness (T)
Inches
Millimeters
Inches
Millimeters
Inches
Millimeters
0805
(2012)
0.079±0.008
2.00±0.20
0.049±0.006
1.25±0.15
0.047 Max
1.20 Max
1206
(3216)
0.126±0.008
3.20±0.20
0.063±0.006
1.60±0.15
0.059 Max
1.50 Max
1210
(3225)
0.126±0.008
3.20±0.20
0.098±0.008
2.50±0.20
0.059 Max
1.50 Max
1812
(4532)
0.177±0.008
4.50±0.20
0.126±0.008
3.20±0.20
0.079 Max
2.00 Max
2220
(5750)
0.224±0.008
5.70±0.20
0.197±0.008
5.00±0.20
0.098 Max
2.50 Max
Soldering Recommendations
l Recommended solder Pad Layout
A
B
C
D
Size EIA
(EIAJ)
Inches
Millimeters
Inches
Millimeters
Inches
Millimeters
Inches
Millimeters
0805 (2012)
0.039~0.059
1.0~1.5
0.126~0.150
3.2~3.8
0.047~0.055
1.2~1.4
0.012~0.024
0.3~0.6
1206 (3216)
0.071~0.098
1.8~2.5
0.165~0.228
4.2~5.8
0.047~0.063
1.2~1.6
0.016~0.032
0.4~0.8
1210 (3225)
0.071~0.098
1.8~2.5
0.165~0.228
4.2~5.8
0.071~0.098
1.8~2.5
0.020~0.040
0.5~1.0
1812 (4532)
0.098~0.138
2.5~3.5
0.217~0.240
5.5~6.1
0.091~0.126
2.3~3.2
0.024~0.043
0.6~1.1
2220 (5750)
0.138~0.181
3.5~4.6
0.236~0.283
6.0~7.2
0.189~0.217
4.8~5.5
0.047~0.090
1.2~2.3
Avoid material run this area
l The solder paste shall be printed in a thickness of 150 to 200μm.
l The SIR test of the solder paste shall be done (Base on JIS-Z-3284)
l IR Soldering
Rapid heating, partial heating or rapid cooling will easily cause defect of the component. So preheating and gradual cooling
process is suggested. IR soldering has the highest yields due to controlled heating rates and solder liquidus times. Make sure
that the element is not subjected to a thermal gradient steeper than 4 degrees per second. 2 degrees per second is the ideal
gradient. During the soldering process, pre-heating to within 100 degrees of the solder peak temperature is essential to
minimize thermal shock.
SOCAY Electronics Co., Ltd.
Revision November 28, 2013
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@SOCAY Electronics Co., Ltd. 2013
Specifications are subject to change without notice.
Please refer to www.socay.com for current information.
Surface Mount Multilayer Varistor
SC0805ML - SC2220ML Series
Soldering Recommendations
(Continue)
(a) Preheat
1. The temperature rising speed is suggested to be
2~4 ºC /s
2. Appropriate preheat time will be from 60 to 120
seconds.
(b) Heating
1. Careful about sudden rise in temperture as it may
worser the solder ability.
2. Set the peal temperature in the range from 215 ºC
to 225 ºC.
(c) Cooling
1. Careful about slow cooling as it may cause the
position shift of component.
250
Max. temperature 225ºC
Temperature (ºC)
200
45-80
Seconds above
solder melting point
150
Ramp rate <2 ºC /s
100
Preheat dwell
50
Preheat zone
0
0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
Time (Minutes)
l Hand Soldering
In hand soldering of the varistors. Large temperature gradient between preheated the varistors and the tip of soldering iron
may cause electrical failures and mechanical damages such as cracking or breakings of the devices. The soldering shall be
carefully controlled and carried out so that the temperature gradient is kept minimum with following recommended conditions
for hand soldering.
(a) Recommended Soldering Condition 1
1. Solder：
1mm Thread solder (sn63:pb37) with soldering flux in the core.
Rosin-based and non-activated flux is recommended.
2. Preheating
The varistors shall be preheated so that Temperature Gradient between the devices and the tip of soldering iron is
150 ºC or below.
3. Soldering Iron
Rated Power of 20w max with 3mm soldering tip in diameter.
Temperature of soldering iron tip 300C max ( The required amount of solder shall be melted in advance on the
soldering tip.)
4. Cooling
After soldering. The varistors shall be cooled gradually at room ambient temperature.
(b) Recommended Soldering Condition 2（Without preheating）
1. Solder iron tip shall not directly touch to ceramic dielectrics.
2. Solder iron tip shall be fully preheated before soldering while soldering iron tip to the external electrode of varistors.
l Post Soldering Cleaning
(a) Residues of corrosive soldering fluxes on the PC board after cleaning may greatly have influences on the electrical
characteristic and the reliability (such as humidity resistance) of the varistors which have been mounted on
the board. It shall be confirmed that the characteristic and the reliability of the devices are not affected by the
applied cleaning conditions.
(b) When an ultrasonic cleaning is applied to the mounted varistors on PC Boards. Following conditions are recommended
for preventing failures or damages of the devices due to the large vibration energy and the resonance caused
by the ultrasonic waves.
1. Frequency 29MHz max
2. Radiated Power 20w/lithr max
3. Period 5minuets max
SOCAY Electronics Co., Ltd.
Revision November 28, 2013
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@SOCAY Electronics Co., Ltd. 2013
Specifications are subject to change without notice.
Please refer to www.socay.com for current information.
Surface Mount Multilayer Varistor
SC0805ML - SC2220ML Series
Surge Waveform
Wave shape “Short Circuit” (Current Isc)
I
IEC61000-4-5 Standards
SEVERITY LEVEL
T1
T2
1
8μs
20μs
2
10μs
1000μs
1.0
0.9
0.5
0.1
0.0
T1
30% Max
T
T2
IEC 61000-4-2 Compliant ESD Current Pulse Waveform
Environmental & Reliability Testing
Characteristic
Test method and description
The specimen shall be subjected to125±2℃ for 1000±2 hours in a thermostatic bath without load
High Temperature Storage and then stored at room temperature and humidity for 1 to 2 hours. The change of varistor voltage
shall be within 10%.
Temperature Cycle
The temperature cycle of specified temperature shall
be repeated five times and then stored at room
temperature and humidity for one two hours. The
change of varistor voltage shall be within 10% and
mechanical damage shall be examined.
Step
Temperture
Period
1
-40±3℃
30min±3
2
Room Temperature
1~2hours
3
125±2℃
30min±3
4
Room Temperature
1~2hours
High Temperature Load
After being continuously applied the maximum allowable voltage at 85℃ for 1000hours, the
specimen shall be stored at room temperature and humidity for one or hours, the change of varistor
voltage shall be within 10%.
Damp Heat Load/
Humidity Load
The specimen should be subjected to 40℃,90 to 95%RH environment, and the maximum
allowable voltage applied for 1000 hours, then stored at room temperature and humidity for one or
two hours. The change of varistor voltage shall be within 10%.
Low Temperature Storage
The specimen should be subjected to -40℃, without load for 1000 hours and then stored at room
temperature for one two hours. The change of varistor voltage shall be within 10%.
General Technical Data
Operating Temperature
-55~85ºC
Storage Temperature
-55~150ºC
Response Time
<1 ns
Solderability
245±5ºC, 3±1sec
Solder Leach Resistance
260±5ºC, 10±1sec
SOCAY Electronics Co., Ltd.
Revision November 28, 2013
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@SOCAY Electronics Co., Ltd. 2013
Specifications are subject to change without notice.
Please refer to www.socay.com for current information.
Surface Mount Multilayer Varistor
SC0805ML - SC2220ML Series
Packaging Information
Carrier Tape Dimensions
Carrier tape transparent cover tape should be
heat-sealed to carry the products, and the reel
should be used to reel the carrier tape.
Carrier Tape
The adhesion of the heat-sealed cover tape
shall be 40+20/-15 grams.
Both the head and the end portion of taping
shall be empty for reel package and SMT
auto-pickup machine. And a normal paper tape
shall be connected in the head of taping for the
operator handle.
Cover Tape
Unit: mm
Symbol
A0
±0.10
B0
±0.10
K0
±0.10
T
±0.05
T1
±0.05
D0
+0.10
-0.00
D1
±0.05
P1
±0.10
P2
±0.05
P0
±0.050
W
±0.20
E
±0.10
F
±0.05
0805
1.42
2.30
1.04
0.22
0.10
1.50
1.00
4.00
2.00
4.00
8.00
1.75
3.50
1206
1.88
3.50
1.27
0.20
0.10
1.50
1.00
4.00
2.00
4.00
8.00
1.75
3.50
1210
2.18
3.46
1.45
0.22
0.10
1.50
1.00
4.00
2.00
4.00
8.00
1.75
3.50
1812
3.66
4.95
1.74
0.25
0.10
1.50
1.50
8.00
2.00
4.00
12.00
1.75
5.50
2220
5.10
5.97
2.80
0.25
0.10
1.50
1.50
8.00
2.00
4.00
12.00
1.75
5.50
D
W
W1
Taping Reel Dimensions
Unit: mm
Symbol
0805
A
B
C
178.0±1.0 60.0±0.5
13.0±0.2 110.0±0.5
9.0±0.5
1.5±0.15
1206
178.0±1.0 60.0±0.5
13.0±0.2 110.0±0.5
9.0±0.5
1.5±0.15
1210
178.0±1.0 60.0±0.5
13.0±0.2 110.0±0.5
9.0±0.5
1.5±0.15
1812
178.0±1.0 60.0±0.5
13.0±0.2 110.0±0.5 13.6±0.5
1.5±0.15
2220
178.0±1.0 60.0±0.5
13.0±0.2 110.0±0.5 13.6±0.5
1.5±0.15
Taping Specifications
There Shall be the portion having no product in both the head and
the end of taping, and there shall be the cover tape in the heat of
taping.
Quantity of products in the taping package
SIZE EIA (EIAJ)
0805 (2012)
1206 (3216)
1210 (3225)
1812 (4532)
2220 (5750)
Standard Packing Quantity (PCS / reel)
3,000
3,000
2,000
1,000
1,000
The contents of a box :
Label and Marking:
0805 Series: 6 reels / inner box
1206 Series: 6 reels / inner box
1210 Series: 6 reels / inner box
1812 Series: 6 reels / inner box
2220 Series: 6 reels / inner box
The paper label shall be plastered on the obvious side of the reel,
and the information show as right side
SOCAY Electronics Co., Ltd.
Revision November 28, 2013
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@SOCAY Electronics Co., Ltd. 2013
Specifications are subject to change without notice.
Please refer to www.socay.com for current information.