U787D SERIES
U787D
Series
Large Tubulars
Very High 150 C
Temperature
Designed For
Automotive 36V
and 42V Systems
Vibration Resistant
Optional Low
Profile Mounting
Engineering Bulletin Mar 07
L ARGE TUBUL ARS 150 C
U787D
The U787D series, the industry’s first 150 C aluminum electrolytic, offers a voltage range of 6.3 to
80VDC, high capacitance and high ripple current capability. The U787D series is the optimum
solution for reducing the size, weight and cost of high performance automotive 36V and 42V systems.
These capacitors maintain a continuous 2,000 hour, 150 C load life (8,000 hours at 125 C with the
150 C rated ripple current applied) and are high vibration resistant. The U787D capacitors are
available in either the standard three lead (keyed polarity) radial vertical mounting or the optional low
profile three formed lead horizontal mounting style. Custom designs are available upon request.
The U787D capacitors are
not
solvent proof. Refer to guidelines and precautions on the website for
usage and installation conditions recommended for United Chemi-Con products.
Summary of Specifications
3 radial leads for vertical mount; optional 3 formed leads for horizontal mount.
Capacitance range: 180 to 47,000µF.
Voltage range: 6.3 to 80VDC.
Category temperature range: 55 C to 150 C.
Leakage current in µA: I = K CV : K = 0.5 at 25 C, 6.5 at 150 C after 5 minutes.
Standard capacitance tolerance: 20%
Nominal case size (D L): 19 29mm to 25 92mm.
Rated lifetime: 2,000 hours at 150 C with rated ripple current applied and
8,000 hours at 125 C with 150 C rated ripple current applied.
United Chemi-Con, Inc. 9801 W. Higgins Road, Rosemont, IL 60018 Tel 847-696-2000 Fax 847-696-9278 www.chemi-con.com
1/ 7
U787D Series
U787D Specifications - Large Tubulars
Item
Category Temperature Range
Rated Voltage Range
Capacitance Range
Capacitance Tolerance
Vibration Rating
Leakage Current
55 to 150 C
6.3 to 80VDC
180 to 47,000 F at
20% ( M ) at
25 C, 120Hz
Characteristics
Engineering Bulletin Mar 07
25 C, 120Hz
10 -1,000Hz, 20g, sinusoidal
(10 - 2,000Hz, 40g, sinusoidal available upon request)
I
K CV : K = 0.5 at
25 C, 6.5 at 150 C after 5 minutes.
L ARGE TUBUL ARS 150 C
Where I = Max. leakage current ( A ), C = Nominal capacitance ( F ) and V = Rated voltage ( V )
Rated Ripple Current Multipliers
Ambient Temperature ( C )
85 C
1.50
105 C
1.25
125 C
1.00
150 C
0.45
U787D
Frequency (Hz )
300Hz
0.75
1kHz
0.82
20k -100kHz
1.00
Endurance
(Load Life)
The following specifications shall be satisfied when the capacitors are restored to 25 C
after subjecting them to the DC rated voltage for 2,000 hours at 150 C with the rated ripple
current applied. The sum of the DC voltage and peak AC voltage must not exceed the full
rated voltage of the capacitors.
Capacitance change:
≤
15% from initial measurement
ESR change
:
≤
200% of initial specified limit
Impedance change :
≤
200% of initial specified limit
Leakage current
:
≤
initial specified limit
Shelf Life
The following specifications shall be satisfied when the capacitors are restored to 25 C after
exposing them for 1,000 hours at 150 C without voltage applied. The rated voltage shall be
applied to the capacitors for a minimum of 30 minutes, at least 24 hours and not more than
48 hours before the measurements.
Capacitance change:
≤
10% from initial measurement
ESR change
:
≤
150% of initial specified limit
Leakage current
:
≤
initial specified limit
2/7
United Chemi-Con, Inc. 9801 W. Higgins Road, Rosemont, IL 60018 Tel 847-696-2000 Fax 847-696-9278 www.chemi-con.com
U787D Series
Diagram of Dimensions - Large Tubulars
VGS
Vertical Mount for
3 Lead Keyed Polarity Radial (Standard )
PET Sleeve
B
1
R
Radius
D
d
L
Vent
Engineering Bulletin Mar 07
VTX
Horizontal Mount for
Ø
0.750 (
Ø
19.0 )
Unit: inches (mm )
C
C
2
C
1
A
1
120
°
Typ.
d
P
PET Sleeve
0.025 MIN.
(0.63)
H
L
D
Inactive Lead For
Mounting Support
C
L ARGE TUBUL ARS 150 C
B
A
B
E
F
VTX
Horizontal Mount for
Ø
0.875 and
Ø
1.000 (
Ø
22.2 and
Ø
25.4)
0.025 (0.63) MIN.
U787D
L
Vent
R
Radius
(Same as VGS)
d
G
C
PET Sleeve
D
Vent
Inactive Lead For
Mounting Support
C
E
B
A
B
F
VGS Lead Spacing in Inches
Ø
D
Diameter
VGS Lead Spacing in Millimeters
C1
0.015
0.100
0.150
0.150
C2
0.020
0.200
0.300
0.300
P
0.015
0.250
0.250
0.250
R
0.004
0.203
0.265
0.328
Ø
D
Diameter
A1
0.015
0.300
0.400
0.400
B1
0.020
0.167
0.228
0.228
A1
0.40
7.6
10.2
10.2
B1
0.50
4.2
5.8
5.8
C1
0.40
2.5
3.8
3.8
C2
0.50
5.1
7.6
7.6
P
0.40
6.3
6.3
6.3
R
0.10
5.2
6.7
8.3
0.750
0.875
1.000
19.0
22.2
25.4
VTX Lead Spacing in Inches
Ø
D
Diameter
VTX Lead Spacing in Millimeters
C
0.020
0.138
0.138
0.138
E
0.020
0.125
0.213
0.213
F
0.020
0.250
0.425
0.425
G
0.020
—
0.080
0.080
Ø
D
Diameter
A
0.040
L 0.255
L 0.255
L 0.255
B
0.020
0.100
0.100
0.100
A
1.00
L 6.5
L 6.5
L 6.5
B
0.50
2.5
2.5
2.5
C
0.50
3.5
3.5
3.5
E
0.50
3.2
5.4
5.4
F
0.50
6.4
10.8
10.8
G
0.50
—
2.0
2.0
0.750
0.875
1.000
19.0
22.2
25.4
VGS and VTX Dimensions in Inches
Case
Size
Code
T29
T35
T41
T54
T67
T79
P29
P35
P41
P54
P67
P79
Q29
Q35
Q41
Q54
Q67
Q79
Q92
Ø
D
0.040
With
Sleeve
VGS and VTX Dimensions in Millimeters
Typical
Weight
(ounces)
0.458
0.635
0.811
0.988
1.164
1.340
0.635
0.881
1.093
1.340
1.587
1.834
0.811
0.988
1.129
1.446
1.764
2.081
2.399
Case
Size
Code
T29
T35
T41
T54
T67
T79
P29
P35
P41
P54
P67
P79
Q29
Q35
Q41
Q54
Q67
Q79
Q92
Ø
D
L
0.080
With
Sleeve
1.125
1.375
1.625
2.125
2.625
3.125
1.125
1.375
1.625
2.125
2.625
3.125
1.125
1.375
1.625
2.125
2.625
3.125
3.625
Ø
d
H
0.080
0.004
With
Terminal
Standoffs Diameter
1.00
With
Sleeve
L
2.00
With
Sleeve
29.0
35.0
41.0
54.0
67.0
79.0
29.0
35.0
41.0
54.0
67.0
79.0
29.0
35.0
41.0
54.0
67.0
79.0
92.0
Ø
d
H
2.00
0.10
With
Terminal
Standoffs Diameter
Typical
Weight
(grams)
13
18
23
28
33
38
18
25
31
38
45
52
23
28
32
41
50
59
68
0.750
1.165
1.415
1.665
2.165
2.665
3.165
1.165
1.415
1.665
2.165
2.665
3.165
1.165
1.415
1.665
2.165
2.665
3.165
3.665
0.040
19.0
30.0
36.0
42.0
55.0
68.0
80.0
30.0
36.0
42.0
55.0
68.0
80.0
30.0
36.0
42.0
55.0
68.0
80.0
93.0
1.00
0.875
0.040
22.2
1.00
1.000
0.040
25.4
1.00
United Chemi-Con, Inc. 9801 W. Higgins Road, Rosemont, IL 60018 Tel 847-696-2000 Fax 847-696-9278 www.chemi-con.com
3/7
U787D Series
Part Numbering System for U787D Series
18 Fields
1
2
3
4
5
6
7
8
9
10 11 12 13 14 15 16 17 18
Engineering Bulletin Mar 07
When ordering, always specify complete 18-field global part number.
E 7 8 7 6 3 0 V G S 1 8 2 MQ 5 4 C
9
8
7
6
Supplement Code.
Field 18.
C = PET sleeve, SnPb terminal plating.
Case Size.
Fields 15, 16 and 17.
The single letter diameter code is inserted in field 15.
T =
Ø
0.750” (
Ø
19mm )
P =
Ø
0.875” (
Ø
22mm )
Q =
Ø
1.000” (
Ø
25.4mm )
The double digit length code is inserted in fields 16 and 17.
29 = 1.125” (29mm )
35 = 1.375” (35mm )
41 = 1.625” (41mm )
54 = 2.125” (54mm )
67 = 2.625” (67mm )
79 = 3.125” (79mm )
92 = 3.625” (92mm )
Capacitance Tolerance.
Field 14.
M = 20%
Capacitance.
Fields 11, 12 and 13.
Expressed in Microfarads. The first two digits are significant
figures inserted in fields 11 and 12, and the third digit inserted
in field 13 indicates the number of zeros for capacitance of
10 F or more. R indicates the decimal point for capacitance
less than 10 F (e.g. 1R8 = 1.8 F; 180 = 18 F; 181 = 180 F;
182 = 1,800 F; 183 = 18,000 F ).
Lead Cut /Forming.
Field 10.
S = 3 straight leads, 0.250” (6.3mm ) in length.
X = 3 formed leads, 2 radial and 3rd lead axial.
Terminal Type.
Fields 8 and 9.
VG = 3 lead keyed polarity radial, vertical mount.
VT = 3 formed lead axial, horizontal mount.
DC Rated Voltage.
Fields 5, 6 and 7.
Expressed in Volts. The first two digits are significant figures
inserted in fields 5 and 6, and the third digit inserted in field 7
indicates the number of zeros for rated voltage of 10VDC or
more. R indicates the decimal point for rated voltage less than
10VDC (e.g. 6R3 = 6.3VDC; 630 = 63VDC; 631 = 630VDC).
Series Name.
Fields 2, 3 and 4.
Enter the 3-letter/digit series name in fields 2, 3 and 4. If the
series name is only 2 letters/digits, place a dash in field 4.
For a series name with more than 3 letters/digits, refer to the
individual series for the appropriate 3-field series name.
Capacitor Type.
Field 1.
Aluminum Electrolytic Capacitor (Polar).
L ARGE TUBUL ARS 150 C
U787D
5
4
3
2
1
4/7
United Chemi-Con, Inc. 9801 W. Higgins Road, Rosemont, IL 60018 Tel 847-696-2000 Fax 847-696-9278 www.chemi-con.com
U787D Series
Standard Voltage Ratings - Large Tubulars
Rated
Voltage
(WVDC)
Capacitance
(µF )
Global
Part Number
†
Maximum
Nominal
Case
ESR
Case Size*
Size
( m
Ω
) at 25 C
D L (inches) Code
20k-100kHz
0.750
0.750
0.750
0.750
0.750
0.750
0.875
0.875
0.875
0.875
0.875
0.875
1.000
1.000
1.000
1.000
1.000
1.000
1.000
0.750
0.750
0.750
0.750
0.750
0.750
0.875
0.875
0.875
0.875
0.875
0.875
1.000
1.000
1.000
1.000
1.000
1.000
1.000
0.750
0.750
0.750
0.750
0.750
0.750
0.875
0.875
0.875
0.875
0.875
0.875
1.000
1.000
1.000
1.000
1.000
1.000
1.000
1.125
1.375
1.625
2.125
2.625
3.125
1.125
1.375
1.625
2.125
2.625
3.125
1.125
1.375
1.625
2.125
2.625
3.125
3.625
1.125
1.375
1.625
2.125
2.625
3.125
1.125
1.375
1.625
2.125
2.625
3.125
1.125
1.375
1.625
2.125
2.625
3.125
3.625
1.125
1.375
1.625
2.125
2.625
3.125
1.125
1.375
1.625
2.125
2.625
3.125
1.125
1.375
1.625
2.125
2.625
3.125
3.625
T29
T35
T41
T54
T67
T79
P29
P35
P41
P54
P67
P79
Q29
Q35
Q41
Q54
Q67
Q79
Q92
T29
T35
T41
T54
T67
T79
P29
P35
P41
P54
P67
P79
Q29
Q35
Q41
Q54
Q67
Q79
Q92
T29
T35
T41
T54
T67
T79
P29
P35
P41
P54
P67
P79
Q29
Q35
Q41
Q54
Q67
Q79
Q92
58.1
45.5
32.9
23.5
18.9
16.1
38.9
29.6
20.3
14.3
11.3
9.7
30.0
22.9
15.8
11.3
9.2
7.8
7.0
58.1
45.5
32.9
23.5
18.9
16.1
38.9
29.6
20.3
14.3
11.3
9.7
30.0
22.9
15.8
11.3
9.2
7.8
7.0
58.1
45.5
32.9
23.5
18.9
16.1
38.9
29.6
20.3
14.3
11.3
9.7
30.0
22.9
15.8
11.3
9.2
7.8
7.0
Engineering Bulletin Mar 07
Rated
Maximum
Ripple Current
Impedance
(A rms) at
( m
Ω
) at
25 C, 100kHz
125 C, 20kHz
63.8
49.0
34.1
24.2
19.8
16.5
39.6
30.3
20.9
14.3
12.1
9.9
30.8
23.7
16.5
12.1
9.9
8.8
7.7
63.8
49.0
34.1
24.2
19.8
16.5
39.6
30.3
20.9
14.3
12.1
9.9
30.8
23.7
16.5
12.1
9.9
8.8
7.7
63.8
49.0
34.1
24.2
19.8
16.5
39.6
30.3
20.9
14.3
12.1
9.9
30.8
23.7
16.5
12.1
9.9
8.8
7.7
5.3
6.5
7.6
9.5
11.3
13.5
7.0
8.7
10.3
13.3
15.4
18.5
8.3
10.3
12.3
15.3
17.8
19.1
22.0
5.3
6.5
7.6
9.5
11.3
13.5
7.0
8.7
10.3
13.3
15.4
18.5
8.3
10.3
12.3
15.3
17.8
19.1
22.0
5.3
6.5
7.6
9.5
11.3
13.5
7.0
8.7
10.3
13.3
15.4
18.5
8.3
10.3
12.3
15.3
17.8
19.1
22.0
6.3 Volts
8 Volts Surge
3,300
5,600
6,800
10,000
15,000
18,000
4,700
8,200
10,000
15,000
22,000
27,000
6,800
12,000
15,000
22,000
33,000
39,000
47,000
2,700
3,900
5,600
8,200
10,000
15,000
3,900
5,600
8,200
12,000
15,000
22,000
5,600
8,200
12,000
18,000
22,000
27,000
33,000
1,800
2,700
3,900
5,600
8,200
10,000
2,700
4,700
5,600
8,200
12,000
15,000
3,900
5,600
8,200
12,000
18,000
22,000
27,000
E7876R3VGS332MT29C
E7876R3VGS562MT35C
E7876R3VGS682MT41C
E7876R3VGS103MT54C
E7876R3VGS153MT67C
E7876R3VGS183MT79C
E7876R3VGS472MP29C
E7876R3VGS822MP35C
E7876R3VGS103MP41C
E7876R3VGS153MP54C
E7876R3VGS223MP67C
E7876R3VGS273MP79C
E7876R3VGS682MQ29C
E7876R3VGS123MQ35C
E7876R3VGS153MQ41C
E7876R3VGS223MQ54C
E7876R3VGS333MQ67C
E7876R3VGS393MQ79C
E7876R3VGS473MQ92C
E787100VGS272MT29C
E787100VGS392MT35C
E787100VGS562MT41C
E787100VGS822MT54C
E787100VGS103MT67C
E787100VGS153MT79C
E787100VGS392MP29C
E787100VGS562MP35C
E787100VGS822MP41C
E787100VGS123MP54C
E787100VGS153MP67C
E787100VGS223MP79C
E787100VGS562MQ29C
E787100VGS822MQ35C
E787100VGS123MQ41C
E787100VGS183MQ54C
E787100VGS223MQ67C
E787100VGS273MQ79C
E787100VGS333MQ92C
E787160VGS182MT29C
E787160VGS272MT35C
E787160VGS392MT41C
E787160VGS562MT54C
E787160VGS822MT67C
E787160VGS103MT79C
E787160VGS272MP29C
E787160VGS472MP35C
E787160VGS562MP41C
E787160VGS822MP54C
E787160VGS123MP67C
E787160VGS153MP79C
E787160VGS392MQ29C
E787160VGS562MQ35C
E787160VGS822MQ41C
E787160VGS123MQ54C
E787160VGS183MQ67C
E787160VGS223MQ79C
E787160VGS273MQ92C
L ARGE TUBUL ARS 150 C
U787D
10 Volts
13 Volts Surge
16 Volts
20 Volts Surge
†
For terminal and construction options, refer to the part numbering system for descriptions and codes.
*
Refer to diagram of dimensions for detailed case size specifications.
United Chemi-Con, Inc. 9801 W. Higgins Road, Rosemont, IL 60018 Tel 847-696-2000 Fax 847-696-9278 www.chemi-con.com
5/7
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