Type 325/326,
–55 ºC to 125 ºC Long-Life, Switching Power Grade Radial
High Temperature and Ultra-Low ESR
The Types 325 and 326 are the ultra-wide-temperature, low-ESR
capacitors for switching power-supply outputs and automotive applications.
The 125 °C capability and exceptionally low ESRs enable high ripple-
current capability. With series inductance of 12 to 16 nH and ripple currents
to 27 amps one of these capacitors can save by replacing eight to ten of the
12.5 mm diameter capacitors routinely at the output of switching power
supplies. Type 325 has three leads for rugged, reverse-proof mounting, and
Type 326 has two leads
.
Highlights
•
•
•
•
•
2000 hour life test at 125 °C
Ripple Current to 27 amps
ESRs to 5 m
Ω
> 90% capacitance at –40 °C
Replaces multiple capacitors
Type 325
Type 326
Specifications
Operating Temperature:
Rated Voltage:
Capacitance:
Capacitance Tolerance:
Leakage Current:
Cold Impedance:
Ripple Current Multipliers:
–55 °C to 125 °C
6.3 to 63 Vdc –
880 µF to 46,000 µF
–10 +75%
≤0.5 √CV µA, 4 mA max, 5 minutes
–55 °C multiple of 25 °C Z ≤2.5 @ 120 Hz
≤20 from 20–100 kHz
Ambient Temperature
45ºC
1.39
120 Hz
see ratings
55ºC
1.3
65ºC
1.21
75ºC
1.11
85ºC
1.00
95ºC
0.88
105ºC
0.73
1 kHz
0.85
115ºC 125ºC
0.55
0.26
20-100 kHz
1.00
Frequency
360 Hz
0.76
400 Hz
0.77
Life Test:
Load Life:
Complies with the EU Directive
2002/95/EC requirement
restricting the use of Lead (Pb),
Mercury (Hg), Cadmium (Cd),
Shelf
Hexavalent chromium (Cr(VI)),
PolyBrominated Biphenyls
(PBB) and PolyBrominated
Diphenyl Ethers (PBDE).
Life:
Outline Drawings
Vibration:
2000 h with rated voltage at 125 °C
∆ capacitance ± 10%
ESR 125 % of limit
DCL 100 % of limit
4000 h at full load at 85 °C
∆ capacitance ± 10%
ESR 200 % of limit
DCL 100 % of limit
500 h at 105 °C,
∆ capacitance ± 10%,
ESR 110% of limit,
DCL 200% of limit
10 to 55 Hz, 0.06” and 10 g max, 2 h each plane
L
+0.015
-0.032
L
CDM Cornell Dubilier
•
140 Technology Place
•
Liberty, SC 29657
•
Phone: (864)843-2277
•
Fax: (864)843-3800
•
www.cde.com
Type 325/326,–55
ºC to 125 ºC Long-Life, Switching Power Grade Radial
Insulated
Bare Can
Lead Spacing
Type 325 Type 326
S1 T S2
±0.020(0.5 mm) ±0.020(0.5 mm)
0.200
0.200
0.200
0.200
0.200
0.200
0.300
0.300
0.300
0.300
0.300
0.300
0.300
0.300
0.300
0.300
0.300
0.300
5.08
5.08
5.08
5.08
5.08
5.08
7.62
7.62
7.62
7.62
7.62
7.62
7.62
7.62
7.62
7.62
7.62
7.62
0.300
0.300
0.300
0.300
0.300
0.300
0.400
0.400
0.400
0.400
0.400
0.400
0.400
0.400
0.400
0.400
0.400
0.400
7.62
7.62
7.62
7.62
7.62
7.62
10.16
10.16
10.16
10.16
10.16
10.16
10.16
10.16
10.16
10.16
10.16
10.16
0.300
0.300
0.300
0.300
0.300
0.300
0.300
0.300
0.300
0.300
0.300
0.300
0.400
0.400
0.400
0.400
0.400
0.400
7.62
7.62
7.62
7.62
7.62
7.62
7.62
7.62
7.62
7.62
7.62
7.62
10.16
10.16
10.16
10.16
10.16
10.16
0.040
0.040
0.040
0.040
0.040
0.040
0.040
0.040
0.040
0.040
0.040
0.040
0.040
0.040
0.040
0.040
0.040
0.040
1.02
1.02
1.02
1.02
1.02
1.02
1.02
1.02
1.02
1.02
1.02
1.02
1.02
1.02
1.02
1.02
1.02
1.02
18
18
18
18
18
18
18
18
18
18
18
18
18
18
18
18
18
18
18
18
18
18
18
18
18
18
18
18
18
18
18
18
18
18
18
18
Lead Diameter
dia. AWG
Epoxy D ± 0.015 (0.4 mm)
Case D ± 0.015 (0.4 mm)
endseal L
Code L ± 0.062 (1.6 mm)
L ± 0.030 (0.8 mm)
Max
D x L
D x L
GE
GJ
GL
GP
GS
GT
HE
HJ
HL
HP
HS
HT
JE
JJ
JL
JP
JS
JT
GE
GJ
GL
GP
GS
GT
HE
HJ
HL
HP
HS
HT
JE
JJ
HL
JP
JS
JT
.765 x 1.150
.765 x 1.650
.765 x 2.150
.765 x 2.650
.765 x 3.150
.765 x 3.650
.890 x 1.150
.890 x 1.650
.890 x 2.150
.890 x 2.650
.890 x 3.150
.890 x 3.650
1.015 x 1.150
1.015 x 1.650
1.015 x 2.150
1.015 x 2.650
1.015 x 3.150
1.015 x 3.650
19.4 x 29.2
19.4 x 41.9
19.4 x 54.6
19.4 x 67.3
19.4 x 80.0
19.4 x 92.7
22.6 x 29.2
22.6 x 41.9
22.6 x 54.6
22.6 x 67.3
22.6 x 80.0
22.6 x 92.7
25.8 x 29.2
25.8 x 41.9
25.8 x 54.6
25.8 x 67.3
25.8 x 80.0
25.8 x 92.7
1.212
1.712
2.212
2.712
3.212
3.712
1.212
1.712
2.212
2.712
3.212
3.712
1.212
1.712
2.212
2.712
3.212
3.712
30.8
43.5
56.2
68.9
81.6
94.3
30.8
43.5
56.2
68.9
81.6
94.3
30.8
43.5
56.2
68.9
81.6
94.3
0.750 x 1.125
0.750 x 1.625
0.750 x 2.125
0.750 x 2.625
0.750 x 3.125
0.750 x 3.625
0.875 x 1.125
0.875 x 1.625
0.875 x 2.125
0.875 x 2.625
0.875 x 3.125
0.875 x 3.625
1.000 x 1.125
1.000 x 1.625
1.000 x 2.125
1.000 x 2.625
1.000 x 3.125
1.000 x 3.625
19.1 x 28.6
19.1 x 41.3
19.1 x 54.0
19.1 x 66.7
19.1 x 79.4
19.1 x 92.1
22.2 x 28.6
22.2 x 41.3
22.2 x 54.0
22.2 x 66.7
22.2 x 79.4
22.2 x 92.1
25.4 x 28.6
25.4 x 41.3
25.4 x 54.0
25.4 x 66.7
25.4 x 79.4
25.4 x 92.1
Case Dimensions in Inches
Case Dimensions in Millimeters
Part Numbering System
325 393 U
6R3 JS
1
E
Type
Capacitance
Tolerance Voltage Case Code Insulation Epoxy
See
Ratings
0 =
bare can
1 =
polyester
(blank) =no epoxy
E =
Epoxy endseal
325 -
3 leads
152=1500
µF
M =
20%
6R3=6.3
V
326 -
2 leads
393=39000
µF
T =
10% + 50%
035=35
V
326A -
3 leads, laydown
U =
10% + 75%
CDM Cornell Dubilier
•
140 Technology Place
•
Liberty, SC 29657
•
Phone: (864)843-2277
•
Fax: (864)843-3800
•
www.cde.com
DIY/Open Source Hardware
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