High Temperature +175°C Automotive Series
+175°C Rated Varistors
GENERAL DESCRIPTION
AVX High Temperature 175°C Multi-Layer Varistors are designed for underhood and other high
temperature automotive or industrial applications. Parts are AEC-Q200 qualified.
They offer bi-directional overvoltage protection as well as EMI/RFI attenuation in a single SMT
package. This allows designers the ability to combine the circuit protection and EMI/RFI attenuation
function into a single highly reliable device.
Products have been tested, qualified, and specified to 175ºC and they do not require any derating over
specified operating temperature range.
GENERAL
CHARACTERISTICS
• Operating Temp.: -55 to +175°C
• Working Voltage: 18, 31Vdc
• Case Size: 0603, 0805
FEATURES
APPLICATIONS
•
•
•
•
•
•
• Under hood
• Down Hole Drilling
• High temperature Automotive and Industrial
Applications
+175°C rated, with no derating
High Reliability
AEC Q200Qualified
Bi-Directional protection
EMI/RFI attenuation
ESD rated to 25kV (HBM ESD Level 6)
HOW TO ORDER
VT
A7
Varistor Temp Automotive
Rated
175°C
0603
18
A
400
R
Case
Size
Working
Voltage
Energy
Rating
Clamping
Voltage
0603
0805
18 =18Vdc
31 =31Vdc
A=0.1J
C=0.3J
400 = 42V
650 = 65V
670 = 67V
P
Package
D = 7" (1,000)
R = 7" (4,000)
T = 13" (10,000)
Termination
P= Ni/Snplated
ELECTRICAL CHARACTERISTICS
AVX PN
VTA7060318A400
VTA7080518C400
VTA7060331A670
VTA7080531C650
VW(DC)
VW(AC)
VB
VC
IVC
IL
VW (DC)
Vdc
18
18
31
31
VW (AC)
Vac
13
13
25
25
VB
V
23±10%
25.5±10%
39±10%
39±10%
VC
V
42
42
67
65
DC Working Voltage [V]
AC Working Voltage [V]
Typical Breakdown Votage [V @1mADC]
Clamping Voltage [V @IIV]
Test Current for VC
Maximum leakage current at the working voltage [μA]
DIMENSIONS
IVC
IL
μA
10
10
10
10
A
1
1
1
1
ET
ELD
IP
Cap
VJump
PDiss. Max
ET
J
0.1
0.3
0.1
0.3
ELD
J
0.25
1
0.25
1
IP
A
30
120
30
80
Cap
pF
275
450
90
275
VJump
PDiss. Max
V
27.5
27.5
29
29
W
0.003
0.007
0.005
0.005
Transient Energy Rating [J, 10x1000μS]
Load Dump Energy (x10)
Peak Current Rating [A, 8x20μS]
Typical capacitance [pF] @frequency specified and 0.5VRMS
Jump Start (V)
Power Dissipation (W)
mm(inches)
Size (EIA)
Length (L)
Width (W)
Max Thickness (T)
Land Length (t)
0603
1.60±0.15
(0.063±0.006)
0.80±0.15
(0.031±0.006)
0.90
(0.035)
0.35±0.15
(0.014±0.006)
0805
2.01±0.20
(0.079±0.008)
1.25±0.20
(0.049±0.008)
1.02
(0.040)
0.71 max.
(0.028 max.)
W
L
T
t
High Temperature +175°C Automotive Series
+175°C Rated Varistors
POWER DERATING CURVE (CURRENT, ENERGY, POWER)
120
% Rating Value
100
80
60
40
20
0
-60
-40
-20
0
20
40
60
80
100
120
140
160
180
200
160
180
Temperature (°C)
CAPACITANCE VS TEMPERATURE
700
0603 18V
0603 31V
600
Capacitance (pF)
0805 18V
500
0805 31V
400
300
200
100
0
-60
-40
-20
0
20
40
60
80
Temperature (°C)
100
120
140
High Temperature +175°C Automotive Series
+175°C Rated Varistors
V-I CHARACTERISTICS
VTA7060318A400
VTA7060331A650
100
60
40
25C
80
150C
Voltage (V)
Voltage (V)
50
175C
30
20
150C
175C
40
20
10
0
1.E-07
60
25C
1.E-05
1.E-03
1.E-01
0
1.E-07
1.E+01
1.E-05
Current (A)
VTA7080518C400
Voltage (V)
Voltage (V)
25C
80
150C
175C
30
20
60
150C
175C
40
20
10
0
1.E-07
1.E+01
100
25C
40
1.E-01
VTA7080531C650
60
50
1.E-03
Current (A)
1.E-05
1.E-03
1.E-01
Current (A)
1.E+01
0
1.E-07
1.E-05
1.E-03
1.E-01
Current (A)
1.E+01
High Temperature +175°C Automotive Series
+175°C Rated Varistors
FORWARD TRANSMISSION CHARACTERISTICS (S21)
0
Insertion Loss (dB)
-10
-20
VTA7060318A400
VTA7060331A650
-30
VTA7080518C400
VTA7080531C650
-40
-50
0.1
1
10
100
1000
Frequency (MHz)
ESD RATING
AVX PN
IEC 61000-4-2
ISO 10605
AEC-Q200(Lvl.6)
150 pF / 330 Ω
Contact Discharge
330 pF / 330 Ω
Contact Discharge
330 pF / 2000 Ω
Contact Discharge
150 pF / 2000 Ω
Air Discharge
VTA7060318A400
25 kV
30 kV
30 kV
25 kV
VTA7080518C400
30 kV
30 kV
30 kV
25 kV
VTA7060331A670
30 kV
30 kV
30 kV
25 kV
VTA7080531C650
30 kV
30 kV
30 kV
25 kV
10000
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