246 RTI-V
www.vishay.com
Vishay BCcomponents
Aluminum Electrolytic Capacitors
Radial, High Temperature, Low Impedance,
High Vibration Capability
FEATURES
Very long useful life: 4000 h to 6000 h at 125 °C
High stability, high reliability
Very low ESR
AEC-Q200 qualified
Excellent ripple current capability
High vibration resistance up to 50
g
Polarized aluminum electrolytic capacitors,
non-solid electrolyte
• Radial leads, cylindrical aluminum case, insulated with a
blue PET sleeve
• Charge and discharge proof
• Material categorization: for definitions of compliance
please see
www.vishay.com/doc?99912
high
vibration
246 RTI-V
•
•
•
•
•
•
•
140 RTM
lower Z
longer life
150 RMI
125 °C
146 RTI
APPLICATIONS
• Power supplies (SMPS, DC/DC converters) for industrial,
automotive, telecommunications and military
• Smoothing, filtering and buffering
QUICK REFERENCE DATA
DESCRIPTION
Nominal case sizes (Ø D x L in mm)
Rated capacitance range, C
R
Tolerance on C
R
Rated voltage range, U
R
Category temperature range
Endurance test at 125 °C
Useful life at 125 °C
Useful life at 40 °C, 1.8 x I
R
applied
Shelf life at 0 V, 125 °C
Based on sectional specification
Climatic category IEC 60068
VALUE
16 x 20 to 18 x 35
390 μF to 6800 μF
± 20 %
16 V to 63 V
-55 °C to +125 °C
3000 h to 5000 h
4000 h to 6000 h
400 000 h
1000 h
IEC 60384-4 / EN130300
55 / 125 / 56
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 (246)
SELECTION CHART FOR C
R
, U
R
, AND RELEVANT NOMINAL CASE SIZES
(Ø D x L in mm)
C
R
(μF)
390
470
560
680
820
1000
U
R
(V)
16
-
-
-
-
-
-
-
-
25
-
-
-
-
-
-
-
-
35
-
-
-
-
-
-
-
-
50
-
-
-
-
-
16 x 20
18 x 20
16 x 25
63
16 x 20
18 x 20
16 x 25
18 x 25
16 x 31
16 x 35
18 x 31
-
Revision: 14-Mar-17
Document Number: 28422
1
For technical questions, contact:
aluminumcaps1@vishay.com
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT
ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT
www.vishay.com/doc?91000
246 RTI-V
www.vishay.com
Vishay BCcomponents
U
R
(V)
SELECTION CHART FOR C
R
, U
R
, AND RELEVANT NOMINAL CASE SIZES
(Ø D x L in mm)
C
R
(μF)
1200
1500
1800
2200
2700
3300
3900
4700
5600
6800
16
-
-
-
-
-
-
16 x 20
-
18 x 20
16 x 25
18 x 25
16 x 31
16 x 35
18 x 31
25
-
-
-
16 x 20
-
-
18 x 20
16 x 25
16 x 31
18 x 25
16 x 35
18 x 31
18 x 35
-
35
16 x 20
-
18 x 20
16 x 25
18 x 25
16 x 31
16 x 35
18 x 31
18 x 35
-
-
-
-
-
50
18 x 25
16 x 31
16 x 35
18 x 31
18 x 35
-
-
-
-
-
-
-
-
-
63
18 x 35
-
-
-
-
-
-
-
-
-
-
-
-
-
DIMENSIONS
in millimeters
AND AVAILABLE FORMS
-
ØD
15
min.
5
min.
Ød
F
Ød
ØD
F
+
L
L
4
+1
0
Fig. 2 -
Form CA:
Long leads
Fig. 3 -
Form CB:
Cut leads
Fig. 4 -
Form TFA:
Taped in box (ammopack)
Table 1
DIMENSIONS
in millimeters,
MASS, AND PACKAGING QUANTITIES
NOMINAL
CASE SIZE
ØDxL
16 x 20
16 x 25
16 x 31
16 x 35
18 x 20
18 x 25
18 x 31
18 x 35
CASE
CODE
19a
19
20
21
1820
1825
1831
22
Ød
0.8
0.8
0.8
0.8
0.8
0.8
0.8
0.8
Ø
D
max.
16.5
16.5
16.5
16.5
18.5
18.5
18.5
18.5
L
max.
22.0
27.0
33.5
37.5
22.0
27.0
33.5
37.5
F
7.5 ± 0.5
7.5 ± 0.5
7.5 ± 0.5
7.5 ± 0.5
7.5 ± 0.5
7.5 ± 0.5
7.5 ± 0.5
7.5 ± 0.5
MASS
(g)
6.0
8.0
9.0
11.0
8.0
10.0
12.5
14.5
PACKAGING QUANTITIES
FORM
CA
250
250
100
100
100
100
100
100
FORM
CB
250
250
100
100
100
100
100
100
FORM
TFA
250
250
250
-
250
250
250
-
Revision: 14-Mar-17
Document Number: 28422
2
For technical questions, contact:
aluminumcaps1@vishay.com
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT
ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT
www.vishay.com/doc?91000
246 RTI-V
www.vishay.com
Vishay BCcomponents
ORDERING EXAMPLE
Electrolytic capacitor 246 series, high vibration resistance
4700 μF / 25 V; ± 20 %
Nominal case size: Ø 18 mm x 31 mm; Form TFA
Ordering code: MAL224696473E3
ELECTRICAL DATA
SYMBOL
DESCRIPTION
Rated capacitance at 100 Hz, tolerance ± 20 %
C
R
Rated RMS ripple current at 100 kHz, 125 °C
I
R
Max. leakage current after 2 min at U
R
I
L2
tan
Max. dissipation factor at 100 Hz
Z
Max. impedance at 100 kHz
Note
• Unless otherwise specified, all electrical values in Table 2 apply
at T
amb
= 20 °C, P = 86 kPa to 106 kPa, RH = 45 % to 75 %
Table 2
ELECTRICAL DATA AND ORDERING INFORMATION
U
R
(V)
C
R
100 Hz
(μF)
2700
3300
3900
4700
4700
5600
6800
1800
2700
2700
3300
3900
4700
4700
5600
1200
1500
1800
2200
2200
2700
2700
3300
820
1000
1000
1200
1200
1500
1800
2200
390
470
560
680
680
820
1000
1200
NOMINAL
CASE SIZE
ØDxL
(mm)
16 x 20
18 x 20
16 x 25
18 x 25
16 x 31
16 x 35
18 x 31
16 x 20
18 x 20
16 x 25
16 x 31
18 x 25
16 x 35
18 x 31
18 x 35
16 x 20
18 x 20
16 x 25
18 x 25
16 x 31
16 x 35
18 x 31
18 x 35
16 x 20
18 x 20
16 x 25
18 x 25
16 x 31
16 x 35
18 x 31
18 x 35
16 x 20
18 x 20
16 x 25
18 x 25
16 x 31
16 x 35
18 x 31
18 x 35
I
R
100 kHz
125 °C
(mA)
1900
2000
2500
2800
3000
3200
3100
1900
2000
2500
3000
2800
3200
3100
3100
1900
2000
2500
2800
3000
3200
3100
3100
1650
1800
2100
2400
2550
2800
2700
3000
1250
1500
1800
2100
2200
2500
2400
2600
I
L2
2 min
(μA)
435
531
627
755
755
899
1091
453
678
678
828
978
1178
1178
1403
423
528
633
773
773
948
948
1158
413
503
503
603
603
753
903
1103
249
299
356
431
431
520
633
759
tan
100 Hz
0.18
0.20
0.20
0.22
0.22
0.24
0.24
0.14
0.16
0.16
0.18
0.18
0.20
0.20
0.22
0.12
0.12
0.12
0.14
0.14
0.14
0.14
0.16
0.10
0.10
0.10
0.10
0.10
0.10
0.10
0.12
0.10
0.10
0.10
0.10
0.10
0.10
0.10
0.10
Z
100 kHz
+20 °C
()
0.034
0.033
0.024
0.025
0.021
0.018
0.022
0.034
0.033
0.024
0.021
0.025
0.018
0.022
0.019
0.034
0.033
0.024
0.025
0.021
0.018
0.022
0.019
0.047
0.039
0.031
0.030
0.027
0.022
0.026
0.022
0.075
0.055
0.048
0.041
0.036
0.029
0.032
0.029
Z
100 kHz
-40 °C
()
0.204
0.198
0.144
0.150
0.126
0.108
0.132
0.204
0.198
0.144
0.126
0.150
0.108
0.132
0.114
0.204
0.198
0.144
0.150
0.126
0.108
0.132
0.114
0.282
0.234
0.186
0.180
0.162
0.132
0.156
0.132
0.450
0.330
0.288
0.246
0.216
0.174
0.192
0.174
ORDERING CODE
MAL2246.......
BULK PACKAGING
TAPED
FORM CA
FORM CB
FORM TFA
55272E3
65272E3
35272E3
55332E3
65332E3
35332E3
55392E3
65392E3
35392E3
55472E3
65472E3
35472E3
95475E3
95476E3
95473E3
55562E3
65562E3
-
55682E3
65682E3
35682E3
56182E3
66182E3
36182E3
56272E3
66272E3
36272E3
96275E3
96276E3
96273E3
56332E3
66332E3
36332E3
56392E3
66392E3
36392E3
56472E3
66472E3
-
96475E3
96476E3
96473E3
56562E3
66562E3
-
50122E3
60122E3
30122E3
50152E3
60152E3
30152E3
50182E3
60182E3
30182E3
50222E3
60222E3
30222E3
90225E3
90226E3
90223E3
50272E3
60272E3
-
90275E3
90276E3
90273E3
50332E3
60332E3
-
51821E3
61821E3
31821E3
51102E3
61102E3
31102E3
91105E3
91106E3
91103E3
51122E3
61122E3
31122E3
91125E3
91126E3
91123E3
51152E3
61152E3
-
51182E3
61182E3
31182E3
51222E3
61222E3
-
58391E3
68391E3
38391E3
58471E3
68471E3
38471E3
58561E3
68561E3
38561E3
58681E3
68681E3
38681E3
98685E3
98686E3
98683E3
58821E3
68821E3
-
58102E3
68102E3
38102E3
58122E3
68122E3
-
16
25
35
50
63
Revision: 14-Mar-17
Document Number: 28422
3
For technical questions, contact:
aluminumcaps1@vishay.com
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT
ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT
www.vishay.com/doc?91000
246 RTI-V
www.vishay.com
Table 3
Vishay BCcomponents
EXTENDED VIBRATION SPECIFICATIONS
PARAMETER
Vibration specifications
Vibration frequency range
Vibration profile
PROCEDURE
From 10
g
to 50
g
10 Hz to 2 kHz
• Constant sinus sweep
• 3 directions
• 8 h per direction
60
Acceleration
(g)
50
40
30
20
10
0
0
0.5
1
1.5
f (kHz)
2.0
REQUIREMENTS
No visible damage;
no leakage of electrolyte;
marking legible
C/C:
± 5 % with respect to initial
measurements
High vibration
specification
Standard
vibration
specification
AEC-Q200
Fig. 5 - Vibration profile
Table 4
ADDITIONAL ELECTRICAL DATA
PARAMETER
Voltage
Surge voltage
Reverse voltage
Current
Leakage current
Inductance
Equivalent series inductance (ESL)
Resistance
Equivalent series resistance (ESR)
CONDITIONS
VALUE
U
s
1.15 x U
R
U
rev
0.5 V
After 2 min at U
R
Case Ø D
16 mm
Calculated from tan
max.
and C
R
(see Table 2)
I
L2
0.01 C
R
x U
R
+ 3 μA
Typ. 18 nH
ESR = tan
/2 f
C
R
CAPACITANCE (C)
1.2
C
C
0
1.1
C
C
0
1.2
1.0
0.8
1.0
0.6
0.4
0.9
0.2
0.8
-60
0.0
-40
-20
0
20
40
60
80
100
120
140
10
100
1000
10 000
100 000
T (°C)
Fig. 6 - Typical multiplier of capacitance at 100 Hz
as a function of temperature (C
0
= C at 20 °C)
Revision: 14-Mar-17
f (Hz)
Fig. 7 - Typical multiplier of capacitance as a function
of frequency at 20 °C (C
0
= C at 100 Hz)
Document Number: 28422
4
For technical questions, contact:
aluminumcaps1@vishay.com
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT
ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT
www.vishay.com/doc?91000
246 RTI-V
www.vishay.com
EQUIVALENT SERIES RESISTANCE (ESR)
100
5
Vishay BCcomponents
ESR
ESR
0
10
ESR
ESR
0
4
3
2
1
1
0.1
-60
0
-40
-20
0
20
40
60
80
100
120
140
10
100
1000
10 000
100 000
T (°C)
Fig. 8 - Typical multiplier of ESR at 100 Hz as a function
of temperature (ESR
0
= ESR at 20 °C)
f (Hz)
Fig. 9 - Typical multiplier of ESR at 20 °C as a function
of frequency (ESR
0
= ESR at 100 Hz)
IMPEDANCE (Z)
100
100
Z
Z
0
10
Z (Ω)
10
1
1
0.1
1800 µF, 35 V, 16 x 25
3300 µF, 35 V, 18 x 35
0.1
-60
-40
-20
0
20
40
60
80
100
120
140
0.01
10
100
1000
10 000
100 000
T (°C)
Fig. 10 - Typical multiplier of impedance at 100 kHz as a function
of temperature (Z
0
= Z at 20 °C)
1000
f (Hz)
Fig. 11 - Typical impedance Z at 20 °C as a function of frequency
Z (Ω)
100
Curve 1: 560 µF, 63 V, 16 x 25
Curve 2: 680 µF, 63 V, 16 x 31
Curve 3: 1000 µF, 63 V, 18 x 31
10
1
2
3
1
0.1
0.01
10
100
1000
10 000
100 000
f (Hz)
Fig. 12 - Typical impedance Z at 20 °C as a function of frequency
Revision: 14-Mar-17
Document Number: 28422
5
For technical questions, contact:
aluminumcaps1@vishay.com
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT
ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT
www.vishay.com/doc?91000
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