Document Number: 28401 For technical questions, contact: aluminumcaps1@vishay.com www.vishay.com
Revision: 17-Feb-12 1
Aluminum Capacitors
Radial, High Temperature, Low Impedance
146 RTI
Vishay BCcomponents
FEATURES
Polarized aluminum electrolytic capacitors,
non-solid electrolyte
Radial leads, cylindrical aluminum case with
pressure relief, insulated with a blue PET sleeve
Charge and discharge proof
Very long useful life:
2500 h to 6000 h at 125 °C, high stability, high reliability
Very low ESR
Excellent ripple current capability
AEC-Q200 qualified
Compliant to RoHS Directive 2011/65/EU
APPLICATIONS
Power supplies (SMPS, DC/DC converters) for industrial,
automotive, telecommunications and military
Smoothing, filtering and buffering
MARKING
The capacitors are marked (where possible) with the
following information:
Rated capacitance (in µF)
Tolerance on rated capacitance, code letter in accordance
with IEC 60062 (M for ± 20 %)
Rated voltage (in V)
Date code, in accordance with IEC 60062
Code indicating factory of origin
Logo of manufacturer
Upper category temperature (125 °C)
Negative terminal identification
Series number (146)
QUICK REFERENCE DATA
DESCRIPTION VALUE
Nominal case sizes (Ø D x L in mm) 10 x 12 to 18 x 35
Rated capacitance range, CR68 µF to 6800 µF
Tolerance on CR± 20 %
Rated voltage range, UR16 V to 63 V
Category temperature range - 55 °C to + 125 °C
Endurance test at 125 °C 2000 h to 5000 h
Useful life at 125 °C 2500 h to 6000 h
Useful life at 40 °C, 1.8 x IR applied 400 000 h
Shelf life at 0 V, 125 °C 1000 h
Based on sectional specification IEC 60384-4/EN130300
Climatic category IEC 60068 55/125/56
146 RTI
lower Z
longer life
140 RTM
125 °C
150 RMI
SELECTION CHART FOR CR, UR AND RELEVANT NOMINAL CASE SIZES (Ø D x L in mm)
CR
(µF)
UR (V)
16 25 35 50 63
68 - - - - 10 x 20
100 - - - 10 x 12 10 x 16
150 - - - - 10 x 20
220 - - 10 x 12 10 x 16 12.5 x 20
330 - 10 x 12 10 x 16 10 x 20 12.5 x 25
390 - - - - 16 x 20
470 10 x 12 10 x 16 10 x 20 12.5 x 20 18 x 20
560 - - - - 10 x 20
680 10 x 16 10 x 20 12.5 x 20 12.5 x 25 18 x 25
----16x31
820 - - - 16 x 20 16 x 35
1000 10 x 20 12.5 x 20 12.5 x 25 18 x 20 18 x 31
- - - 16 x 25 -
1200 - - 16 x 20 18 x 25 18 x 35
- - - 16 x 31 -
146 RTI
Vishay BCcomponents Aluminum Capacitors
Radial, High Temperature, Low Impedance
www.vishay.com For technical questions, contact: aluminumcaps1@vishay.com Document Number: 28401
2Revision: 17-Feb-12
DIMENSIONS in millimeters AND AVAILABLE FORMS
Table 1
1500 12.5 x 20 12.5 x 25 18 x 20 16 x 35 -
1800 - 16 x 20 16 x 25 18 x 31 -
2200 12.5 x 25 - 18 x 25 18 x 35 -
--16x31--
2700 16 x 20 18 x 20 16 x 35 - -
- 16 x 25 18 x 31 - -
3300 18 x 20 16 x 31 18 x 35 - -
3900 16 x 25 18 x 25 - - -
4700 18 x 25 16 x 35 - - -
16 x 31 18 x 31 - - -
5600 16 x 35 18 x 35 - - -
6800 18 x 31 - - - -
SELECTION CHART FOR CR, UR AND RELEVANT NOMINAL CASE SIZES (Ø D x L in mm)
CR
(µF)
UR (V)
16 25 35 50 63
Fig.2 Form CA: Long leads Fig.3 Form CB: Cut leads Fig.4 Form TFA: Taped in box (ammopack)
L
F15
min.
5
min.
Ø d
Ø D
+-
Ø D
L
41
0
F
Ø d
DIMENSIONS in millimeters, MASS AND PACKAGING QUANTITIES
NOMINAL
CASE SIZE
Ø D x L
CASE
CODE Ø Dmax. Lmax. FMASS
(g)
PACKAGING QUANTITIES
FORM
CA
FORM
CB
FORM
TFA
10 x 12 14 0.6 10.5 13.5 5.0 ± 0.5 1.6 1000 500 800
10 x 16 15 0.6 10.5 17.5 5.0 ± 0.5 1.9 500 500 800
10 x 20 16 0.6 10.5 22.0 5.0 ± 0.5 2.2 500 500 800
12.5 x 20 17 0.6 13.0 22.0 5.0 ± 0.5 4.0 500 500 500
12.5 x 25 18 0.6 13.0 27.0 5.0 ± 0.5 5.0 250 250 500
16 x 20 19a 0.8 16.5 22.0 7.5 ± 0.5 6.0 250 250 250
16 x 25 19 0.8 16.5 27.0 7.5 ± 0.5 8.0 250 250 250
16 x 31 20 0.8 16.5 33.5 7.5 ± 0.5 9.0 100 100 250
16 x 35 21 0.8 16.5 37.5 7.5 ± 0.5 11.0 100 100 -
18 x 20 1820 0.8 18.5 22.0 7.5 ± 0.5 8.0 100 100 250
18 x 25 1825 0.8 18.5 27.0 7.5 ± 0.5 10.0 100 100 250
18 x 31 1831 0.8 18.5 33.5 7.5 ± 0.5 12.5 100 100 250
18 x 35 22 0.8 18.5 37.5 7.5 ± 0.5 14.5 100 100 -
Document Number: 28401 For technical questions, contact: aluminumcaps1@vishay.com www.vishay.com
Revision: 17-Feb-12 3
146 RTI
Aluminum Capacitors
Radial, High Temperature, Low Impedance Vishay BCcomponents
Note
Unless otherwise specified, all electrical values in table 2 apply
at Tamb = 20 °C, P = 86 kPa to 106 kPa, RH = 45 % to 75 %
ORDERING EXAMPLE
Electrolytic capacitor 146 series
470 µF/25 V; ± 20 %
Nominal case size: Ø 10 mm x 16 mm; Form TFA
Ordering Code: MAL214636471E3
Table 2
ELECTRICAL DATA
SYMBOL DESCRIPTION
CRrated capacitance at 100 Hz, tolerance ± 20 %
IRrated RMS ripple current at 100 kHz, 125 °C
IL2 max. leakage current after 2 min at UR
tan δmax. dissipation factor at 100 Hz
Zmax. impedance at 100 kHz
ELECTRICAL DATA AND ORDERING INFORMATION
UR
(V)
CR
100 Hz
(µF)
NOMINAL
CASE SIZE
Ø D x L
(mm)
IR
100 kHz
125 °C
(mA)
IL2
2min
(µA)
tan δ
100 Hz
Z
100 kHz
+ 20 °C
(Ω)
Z
100 kHz
- 40 °C
(Ω)
ORDERING CODE
MAL2146.......
BULK PACKAGING TAPED
FORM CA FORM CB FORM TFA
16
470 10 x 12 620 78 0.16 0.120 0.750 55471E3 65471E3 35471E3
680 10 x 16 1100 112 0.16 0.075 0.450 55681E3 65681E3 35681E3
1000 10 x 20 1250 163 0.16 0.060 0.360 55102E3 65102E3 35102E3
1500 12.5 x 20 1600 243 0.16 0.043 0.258 55152E3 65152E3 35152E3
2200 12.5 x 25 2000 355 0.18 0.033 0.198 55222E3 65222E3 35222E3
2700 16 x 20 1900 435 0.18 0.034 0.204 55272E3 65272E3 35272E3
3300 18 x 20 2000 531 0.20 0.033 0.198 55332E3 65332E3 35332E3
3900 16 x 25 2500 627 0.20 0.024 0.144 55392E3 65392E3 35392E3
4700 18 x 25 2800 755 0.22 0.025 0.150 55472E3 65472E3 35472E3
4700 16 x 31 3000 755 0.22 0.021 0.126 95475E3 95476E3 95473E3
5600 16 x 35 3200 899 0.24 0.018 0.108 55562E3 65562E3 -
6800 18 x 31 3100 1091 0.24 0.022 0.132 55682E3 65682E3 35682E3
25
330 10 x 12 620 85 0.14 0.120 0.750 56331E3 66331E3 36331E3
470 10 x 16 1100 121 0.14 0.075 0.450 56471E3 66471E3 36471E3
680 10 x 20 1250 173 0.14 0.060 0.360 56681E3 66681E3 36681E3
1000 12.5 x 20 1600 253 0.14 0.043 0.258 56102E3 66102E3 36102E3
1500 12.5 x 25 2000 378 0.14 0.033 0.198 56152E3 66152E3 36152E3
1800 16 x 20 1900 453 0.14 0.034 0.204 56182E3 66182E3 36182E3
2700 18 x 20 2000 678 0.16 0.033 0.198 56272E3 66272E3 36272E3
2700 16 x 25 2500 678 0.16 0.024 0.144 96275E3 96276E3 96273E3
3300 16 x 31 3000 828 0.18 0.021 0.126 56332E3 66332E3 36332E3
3900 18 x 25 2800 978 0.18 0.025 0.150 56392E3 66392E3 36392E3
4700 16 x 35 3200 1178 0.20 0.018 0.108 56472E3 66472E3 -
4700 18 x 31 3100 1178 0.20 0.022 0.132 96475E3 96476E3 96473E3
5600 18 x 35 3100 1403 0.22 0.019 0.114 56562E3 66562E3 -
35
220 10 x 12 620 80 0.12 0.120 0.750 50221E3 60221E3 30221E3
330 10 x 16 1100 119 0.12 0.075 0.450 50331E3 60331E3 30331E3
470 10 x 20 1250 168 0.12 0.060 0.360 50471E3 60471E3 30471E3
680 12.5 x 20 1600 241 0.12 0.043 0.258 50681E3 60681E3 30681E3
1000 12.5 x 25 2000 353 0.12 0.033 0.198 50102E3 60102E3 30102E3
1200 16 x 20 1900 423 0.12 0.034 0.204 50122E3 60122E3 30122E3
1500 18 x 20 2000 528 0.12 0.033 0.198 50152E3 60152E3 30152E3
1800 16 x 25 2500 633 0.12 0.024 0.144 50182E3 60182E3 30182E3
2200 18 x 25 2800 773 0.14 0.025 0.150 50222E3 60222E3 30222E3
2200 16 x 31 3000 773 0.14 0.021 0.126 90225E3 90226E3 90223E3
2700 16 x 35 3200 948 0.14 0.018 0.108 50272E3 60272E3 -
2700 18 x 31 3100 948 0.14 0.022 0.132 90275E3 90276E3 90273E3
3300 18 x 35 3100 1158 0.16 0.019 0.114 50332E3 60332E3 -
50
100 10 x 12 420 53 0.10 0.190 1.330 51101E3 61101E3 31101E3
220 10 x 16 900 113 0.10 0.120 0.720 51221E3 61221E3 31221E3
330 10 x 20 1000 168 0.10 0.090 0.540 51331E3 61331E3 31331E3
470 12.5 x 20 1250 238 0.10 0.065 0.390 51471E3 61471E3 31471E3
680 12.5 x 25 1700 343 0.10 0.050 0.300 51681E3 61681E3 31681E3
820 16 x 20 1650 413 0.10 0.047 0.282 51821E3 61821E3 31821E3
146 RTI
Vishay BCcomponents Aluminum Capacitors
Radial, High Temperature, Low Impedance
www.vishay.com For technical questions, contact: aluminumcaps1@vishay.com Document Number: 28401
4Revision: 17-Feb-12
CAPACITANCE (C)
Fig. 5 Typical multiplier of capacitance at 100 Hz
as a function of temperature (C0 = C at 20 °C)
Fig. 6 Typical multiplier of capacitance as a function
of frequency at 20 °C (C0 = C at 100 Hz)
50
1000 18 x 20 1800 503 0.10 0.039 0.234 51102E3 61102E3 31102E3
1000 16 x 25 2100 503 0.10 0.031 0.186 91105E3 91106E3 91103E3
1200 18 x 25 2400 603 0.10 0.030 0.180 51122E3 61122E3 31122E3
1200 16 x 31 2550 603 0.10 0.027 0.162 91125E3 91126E3 91123E3
1500 16 x 35 2800 753 0.10 0.022 0.132 51152E3 61152E3 -
1800 18 x 31 2700 903 0.10 0.026 0.156 51182E3 61182E3 31182E3
2200 18 x 35 3000 1103 0.12 0.022 0.132 51222E3 61222E3 -
63
68 10 x 12 400 46 0.10 0.360 2.160 58689E3 68689E3 38689E3
100 10 x 16 600 66 0.10 0.220 1.320 58101E3 68101E3 38101E3
150 10 x 20 750 98 0.10 0.150 0.900 58151E3 68151E3 38151E3
220 12.5 x 20 1000 142 0.10 0.098 0.950 58221E3 68221E3 38221E3
330 12.5 x 25 1300 211 0.10 0.076 0.456 58331E3 68331E3 38331E3
390 16 x 20 1250 249 0.10 0.075 0.450 58391E3 68391E3 38391E3
470 18 x 20 1500 299 0.10 0.055 0.330 58471E3 68471E3 38471E3
560 16 x 25 1800 356 0.10 0.048 0.288 58561E3 68561E3 38561E3
680 18 x 25 2100 431 0.10 0.041 0.246 58681E3 68681E3 38681E3
680 16 x 31 2200 431 0.10 0.036 0.216 98685E3 98686E3 98683E3
820 16 x 35 2500 520 0.10 0.029 0.174 58821E3 68821E3 -
1000 18 x 31 2400 633 0.10 0.032 0.192 58102E3 68102E3 38102E3
1200 18 x 35 2600 759 0.10 0.029 0.174 58122E3 68122E3 -
ELECTRICAL DATA AND ORDERING INFORMATION
UR
(V)
CR
100 Hz
(µF)
NOMINAL
CASE SIZE
Ø D x L
(mm)
IR
100 kHz
125 °C
(mA)
IL2
2min
(µA)
tan δ
100 Hz
Z
100 kHz
+ 20 °C
(Ω)
Z
100 kHz
- 40 °C
(Ω)
ORDERING CODE
MAL2146.......
BULK PACKAGING TAPED
FORM CA FORM CB FORM TFA
ADDITIONAL ELECTRICAL DATA
PARAMETER CONDITIONS VALUE
Voltage
Surge voltage Us 1.15 x UR
Reverse voltage Urev 0.5 V
Current
Leakage current After 2 min at URIL2 0.01 CRxU
R+3µA
Inductance
Equivalent series inductance (ESL) Case Ø D = 10 mm typ. 16 nH
Case Ø D 12.5 mm typ. 18 nH
Resistance
Equivalent series resistance (ESR) Calculated from tan δmax. and CR (see Table 2) ESR = tan δ/2 π f CR
1.2
C
C0
0.8
1.1
1.0
0.9
- 60 120100806040200- 20- 40 140
T (°C)
1.2
C
C0
0.0
1.0
0.8
0.6
10 1000100 100 000
f (Hz)
0.2
0.4
10 000
Document Number: 28401 For technical questions, contact: aluminumcaps1@vishay.com www.vishay.com
Revision: 17-Feb-12 5
146 RTI
Aluminum Capacitors
Radial, High Temperature, Low Impedance Vishay BCcomponents
EQUIVALENT SERIES RESISTANCE (ESR)
Fig. 7 Typical multiplier of ESR at 100 Hz as a function
of temperature (ESR0 = ESR at 20 °C)
Fig. 8 Typical multiplier of ESR at 20 °C as a function
of frequency (ESR0 = ESR at 100 Hz)
IMPEDANCE (Z)
Fig. 9 Typical multiplier of impedance at 100 Hz as a function
of temperature (Z0 = Zat 20 °C)
Fig. 10 Typical impedance Z at 20 °C as a function of frequency
Fig. 11 Typical impedance Z at 20 °C as a function of frequency
100
ESR
ESR0
0.1
10
1
- 60 120100806040200- 20- 40 140
T (°C)
5
ESR
ESR0
0
4
3
2
10 1000100 100 000
f (Hz)
1
10 000
100
Z
Z0
0.1
10
1
- 60 120100806040200- 20- 40 140
T (°C)
100
Z (Ω)
0.01
10
1
0.1
10 1000100 100 000
f (Hz)
10 000
7
2
3
4
5
1
6
Curve 1: 220 µF, 3 5 V, 10 x 12
Curve 2: 330 µF, 3 5 V, 10 x 16
Curve 3: 470 µF, 35 V, 10 x 20
Curve 4: 680 µF, 35 V, 12.5 x 20
Curve 5: 1000 µF, 35 V, 12.5 x 25
Curve 6: 1800 µF, 35 V, 16 x 25
Curve 7: 3300 µF, 35 V, 18 x 35
1000
Z (Ω)
0.01
10
1
0.1
10 1000100 100 000
f (Hz)
10 000
7
2
3
4
5
1
6
Curve 1: 68 µF, 63 V, 10 x 12
Curve 2: 100 µF, 63 V, 10 x 16
Curve 3: 150 µF, 63 V, 10 x 20
Curve 4: 220 µF, 63 V, 12.5 x 20
Curve 5: 330 µF, 63 V, 12.5 x 25
Curve 6: 560 µF, 63 V, 16 x 25
Curve 7: 680 µF, 63 V, 16 x 31
Curve 8: 1000 µF, 63 V, 18 x 31
100
8
146 RTI
Vishay BCcomponents Aluminum Capacitors
Radial, High Temperature, Low Impedance
www.vishay.com For technical questions, contact: aluminumcaps1@vishay.com Document Number: 28401
6Revision: 17-Feb-12
Table 3
RIPPLE CURRENT AND USEFUL LIFE
ENDURANCE TEST DURATION AND USEFUL LIFE AS A FUNCTION OF CASE SIZE
NOMINAL CASE SIZE
Ø D x L
(mm)
CASE CODE
ENDURANCE
at 125 °C
(h)
USEFUL LIFE
at 125 °C
(h)
10 x 12 14 2000 2500
10 x 16 15 2000 2500
10 x 20 16 2000 3000
12.5 x 20 17 2000 3000
12.5 x 25 18 3000 5000
16 x 20 19a 3000 4000
16 x 25 19 3000 5000
16 x 31 20 4000 6000
16 x 35 21 5000 6000
18 x20 1820 3000 4000
18 x 25 1825 3000 5000
18 x 31 1831 4000 6000
18 x 35 22 5000 6000
3.8
3.7
3.6
3.5
3.4
3.3
3.2
3.0
2.8
2.6
2.4
2.2
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.5
0.0
3.1
40 50 60 70 80 90 100 11 0
Tamb (°C)
120 130
MBC242
3.9
4.0
4.1
4.2
4.3
lifetime multiplier
(1)
I
A
R
I
6.0
4.0
2.0
1.5
1.0
3.0
400
100
60
20
30
12
8.0
200
Fig.12 Multiplier of useful life as a function of ambient temperature and ripple current load
IA= actual ripple current at 100 kHz
IR= rated ripple current at 100 kHz, 125 °C
(1) Useful life at 125 °C and IR applied; see Table 4
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Revision: 17-Feb-12 7
146 RTI
Aluminum Capacitors
Radial, High Temperature, Low Impedance Vishay BCcomponents
Table 4
Table 5
MULTIPLIER OF RIPPLE CURRENT (IR) AS A FUNCTION OF FREQUENCY
FREQUENCY
(Hz)
IR MULTIPLIER
UR = 16 to 25 V UR = 35 V UR = 50 to 63 V
50 0.60 0.50 0.35
100 0.70 0.65 0.50
300 0.85 0.80 0.65
1000 0.90 0.85 0.80
3000 0.95 0.90 0.90
10 000 1.00 0.95 0.90
100 000 1.00 1.00 1.00
TEST PROCEDURES AND REQUIREMENTS
TEST PROCEDURE
(quick reference) REQUIREMENTS
NAME OF TEST REFERENCE
Endurance IEC 60384-4/
EN130300
subclause 4.13
Tamb = 125 °C; UR applied;
for test duration see Table 3
Δ C/C: ± 15 %
tan δ≤1.3 x spec. limit
Z 2 x spec. limit
IL2 spec. limit
Useful life CECC 30301
subclause 1.8.1
Tamb = 125 °C; UR and IR applied;
for test duration see Table 3
Δ C/C: ± 30 %
tan δ≤3 x spec. limit
Z 3 x spec. limit
IL2 spec. limit
no short or open circuit
total failure percentage: 1 %
Shelf life IEC 60384-4/
EN130300
subclause 4.17
Tamb = 125 °C; no voltage applied;
1000 h
after test: UR to be applied for 30 min,
24 h o 48 h before measurement
Δ C/C: ± 15 %
tan δ≤1.3 x spec. limit
Z 3 x spec. limit
IL2 spec. limit
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Revision: 12-Mar-12 1Document Number: 91000
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