SMX Style for High Temperature Applications up to 200ºC
SMX-style, stacked Switch Mode Power Supply Capacitors (SMPS) utilizing
Multilayer Ceramic (MLCC) construction are ideally suited for high temperature
applications up to 200ºC. This product is intended for downhole oil exploration,
including logging while drilling, geophysical probes, as well as space and aerospace
electronics. The high temperature solder utilized in the construction of SMX-style
parts assures reliable operation in harsh environments. The wide product offering
provides designers a solution for high capacitance value and high voltage capaci-
tors rated at 200ºC. The SMX-style capacitors are ideally suited for applications as
DC filters in high power, high frequency motor drives, high pulsed-current circuitry,
as well as low power electronics.
SMX-style, SMPS capacitors are characterized with excellent performance in
comparison to wet tantalum products. The main benefits of SMX-product over wet
tantalum capacitors include:
• Much lower ESR and lower losses
• Excellent capacitance retention with frequency
• Excellent high frequency performance
• Low DC leakage current
• Much higher current handling capabilities
Typical Extended Temperature TCC
Characterization of C0G, SMPS Capacitors
Test conditions: 1 Vrms, 1 kHz, 0 VDC bias
1.0
0.8
0.6
Typical Extended Temperature TCC
Characterization of X7R/X9U, SMPS Capacitors
Test conditions: 1 Vrms, 1 kHz, 0 VDC bias
20
Percentage Capacitance
Change
0
-20
-40
-60
-80
-100
-75
-50
-25
0
25
50
75
100
125
150
175
200
Percentage Capacitance
Change
0.4
0.2
0.0
-0.2
-0.4
-0.6
-0.8
-1.0
-75
-50
-25
0
25
50
75
100
125
150
175
200
Temperature (ºC)
Temperature (ºC)
Typical Extended Temperature IR Characterization of
C0G, SMPS Capacitors
10000
10000
Typical Extended Temperature IR Characterization of
X7R/X9U, SMPS Capacitors
RC Product ( *F)
RC Product ( *F)
1000
1000
100
100
10
10
120
130
140
150
160
170
180
190
200
1
120
130
140
150
160
170
180
190
200
Temperature (ºC)
Temperature (ºC)
32
SMPS Stacked MLC Capacitors
SMX Style for High Temperature Applications up to 200ºC
ELECTRICAL SPECIFICATIONS
Temperature Coefficient
C0G:
A Temperature Coefficient
X7R/X9U: C Temperature Coefficient
0 ±30 ppm/°C, -55° to +200°C
±15%, -55°C to +125°C
+15% - 56%, -55ºC to +200°C
Capacitance Test
(MIL-STD-202 Method 305)
25°C, 1.0±0.2 Vrms (open circuit voltage) at 1KHz
Dissipation Factor 25°C
C0G:
0.15% Max @ 25°C, 1.0±0.2 Vrms (open circuit voltage) at 1KHz
X7R/X9U: 2.5% Max @ 25°C, 1.0±0.2 Vrms (open circuit voltage) at 1KHz
Insulation Resistance 25°C
(MIL-STD-202 Method 302)
100K MΩ or 1000 MΩ-μF, whichever is less.
Insulation Resistance 125°C
(MIL-STD-202 Method 302)
10K MΩ or 100 MΩ-μF, whichever is less.
Insulation Resistance 200°C
(MIL-STD-202 Method 302)
100 MΩ or 1 MΩ -μF, whichever is less.
Dielectric Withstanding Voltage 25°C
(Flash Test)
250% rated voltage for 5 seconds with 50 mA max
charging current. (500 Volt units @ 750 VDC)
Moisture Resistance
(MIL-STD-202 Method 106)
Ten cycles with no voltage applied.
Thermal Shock
(MIL-STD-202 Method 107, Condition A)
Immersion Cycling
(MIL-STD-202 Method 104, Condition B)
Resistance To Solder Heat
(MIL-STD-202, Method 210,
Condition B, for 20 seconds)
HOW TO ORDER
SMX
AVX Style
SMX = Uncoated
AVX Styles: SMX1, SMX2, SMX3, SMX4, SMX5, SMX6
7
C
106
M
Capacitance
Tolerance
C0G:
J = ±5%
K = ±10%
M = ±20%
1
A
Test Level
A = Standard
N
Termination
N = Straight Lead
J = Leads formed in
L = Leads formed out
P = P Style Leads
Z = Z Style Leads
650
Height
Max
Dimension “A”
120 = 0.120"
240 = 0.240"
360 = 0.360"
480 = 0.480"
650 = 0.650"
Size
Voltage Temperature
Capacitance
See
25 = 3
Coefficient
Code
Dimensions 50V = 5
C0G = A (2 significant digits
chart
100V = 1 X7R/X9U = C + number of zeros)
200V = 2
10 pF = 100
500V = 7
100 pF = 101
1,000 pF = 102
22,000 pF = 223
220,000 pF = 224
1μF = 105
10 μF = 106
100 μF = 107
X7R:
K = ±10%
M = ±20%
Z = +80%, -20%
Note: Capacitors with X7R/X9U dielectric is not intended for applications across AC supply mains or AC line filtering with polarity reversal. Contact plant for recommendations.
33
SMPS Stacked MLC Capacitors
SMX Style for High Temperature Applications up to 200ºC
CHIP SEPARATION
0.254 (0.010) TYP.
CHIP SEPARATION
0.254 (0.010) TYP.
E
CAPACITOR
D
E
1.651 ± 0.254
(0.065 ± 0.010)
B
A
1.397 (0.055)
±0.254
(0.010)
DETAIL A
B
R 0.508
(0.020)
3 PLACES
2.540 ± 0.254
(0.100 ± 0.010)
4.191 ± 0.254
(0.165 ± 0.010)
6.350 (0.250) MIN
6.35
(0.250)
MIN.
0.508 (0.020) TYP.
2.54 (0.100) TYP.
2.54 (0.100) MAX.
0.635 (0.025) MIN.
C
0.254
(0.010)
TYP.
C
0.254
(0.010)
TYP.
1.016 ± 0.254
(0.040 ± 0.010)
DETAIL A
“N” STYLE LEADS
“P” STYLE LEADS
CHIP SEPARATION
0.254 (0.010) TYP.
CHIP SEPARATION
0.254 (0.010) TYP.
E
D
0.254 (0.010)
RAD. (TYP.)
E
B
A
1.397 (0.055)
±0.254
(0.010)
0.254 (0.010)
TYP.
1.905 (0.075)
±
0.635 (0.025)
TYP.
0.254 (0.010)
RAD. (TYP.)
0.508 (0.020) TYP.
2.54 (0.100) TYP.
2.54 (0.100) MAX.
0.635 (0.025) MIN.
±
0.254 (0.010)
1.778 (0.070)
C
±
0.254 (0.010)
1.778 (0.070)
C
0.254 (0.010)
TYP.
1.905 (0.075)
±
0.635 (0.025)
TYP.
“J” STYLE LEADS
“L” STYLE LEADS
B
A
1.397 (0.055)
±0.254
(0.010)
RAD.
0.254
(0.010)
(TYP)
0.254 (0.010) TYP.
D
E
1.778 ±0.254
(0.070 ± 0.010)
0.508 (0.020) TYP.
2.54 (0.100) TYP.
2.54 (0.100) MAX.
0.635 (0.025) MIN.
C
DETAIL B
3.048 ± 0.381
(0.120 ± 0.015)
DETAIL B
“Z” STYLE LEADS
millimeters (inches)
B (max.)
C ±.635 (±0.025)
11.4
20.3
11.4
10.2
6.35
31.8
(0.450)
(0.800)
(0.450)
(0.400)
(0.250)
(1.250)
D ±.635 (±0.025)
52.1
38.4
26.7
10.2
6.35
52.1
(2.050)
(1.510)
(1.050)
(0.400)
(0.250)
(2.050)
E (max.)
12.7
22.1
12.7
11.2
7.62
34.3
(0.500)
(0.870)
(0.500)
(0.440)
(0.300)
(1.350)
No. of Leads
per side
20
15
10
4
3
20
DIMENSIONS
Style
SMX1
SMX2
SMX3
SMX4
SMX5
SMX6
A (max.)
For “N” Style Leads: “A” Dimension Plus 1.651 (0.065)
For “J” & “L” Style Leads: “A” Dimension Plus 2.032 (0.080)
For “P” Style Leads: “A” Dimension Plus 4.445 (0.175)
For “Z” Style Leads: “A” Dimension Plus 3.048 (0.120)
See page 35 for
maximum “A”
Dimension
34
1.270 ± 0.254
(0.050 ± 0.010)
2.794 ± 0.254
(0.110 ± 0.010)
CHIP SEPARATION
0.254 (0.010) TYP.
SMPS Stacked MLC Capacitors
SMX Style for High Temperature Applications up to 200ºC
Max Capacitance (μF) Available Versus Style with Height (A) of 0.120" - 3.05mm
STYLE
25V 50V 100V 200V 500V 25V
C0G
1.0 .70 .40 .18 .068 1.2
X7R/X9U
22 12 7.0 2.6 1.0 33
AVX
SMX1 _ _ _ _ _ _ AN120
SMX2 _ _ _ _ _ _ AN120
SMX3 _ _ _ _ _ _ AN120
SMX4 _ _ _ _ _ _ AN120
S
MX5 _ _ _ _ _ _ AN120
50V 100V 200V 500V 25V
1.0 .60 .26 .10 .50
18 11 4.0 1.5 11
50V 100V 200V 500V 25V
.40 .20 .09 .033 .16
6.0 3.6 1.3 .50 3.3
50V 100V 200V 500V 25V
.13 .07 .02 .01 .05
1.8 1.1 .40 .15 1.2
SMX6 _ _ _ _ _ _ AN120
50V 100V 200V 500V 25V 50V 100V 200V 500V
.04 .02 .01 .0039 3.2 2.4 1.3 .50 .20
.68 .40 .16 .056 68 40 24 9.4 3.3
Max Capacitance (μF) Available Versus Style with Height (A) of 0.240" - 6.10mm
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