Model 138D
Vishay Sprague
Wet Tantalum Capacitors
Gelled-Electrolyte Sintered Anode TANTALEX
®
Capacitors Hermetically-Sealed with True
Glass-to-Tantalum Seal
FEATURES
Improved reliability through the use of a glass-to-tantalum
true hermetic anode seal is the prime feature of the Type
138D gelled-electrolyte sintered anode T
ANTALEX®
capaci-
tor. This construction eliminates all internal lead welds
while retaining the strength of internal lead-welded parts.
Additionally, this construction offers outstanding resistance
to thermal shock.
The military equivalent to the 138D is the CLR65 and
CLR69 which are qualified to MIL-C-39006/9 and /21.
Capacitors in accordance with military specifications
should be ordered by their military part numbers.
Following the life test:
1. DCL shall not exceed 125% of the original requirement.
2. The ESR shall not exceed 200% of the initial
requirement.
3. Change in capacitance value shall not exceed the per-
centages below.
a) 6 WVDC Units: + 10% to - 25% of initial measurement.
b) 8 WVDC and 10 WVDC Units: + 10% to - 20% of
initial measurement.
c) 15 WVDC Units: + 10% to - 15% of initial measurement.
d) 20 WVDC and above:
±
10% of initial measurement.
PERFORMANCE CHARACTERISTICS
Operating Temperature:
- 55°C to + 85°C and with
voltage derating to two-thirds the + 85°C rating at + 125°C.
Capable of + 175°C operation at reduced voltage. Use of
Type 135D capacitors for high temperature applications is
recommended.
Capacitance Tolerance:
At 120 Hz, + 25°C.
±
20%
standard.
±
10%,
±
5% available as special.
DC Leakage Current (DCL Max.):
At + 25
°
C, + 85
°
C and + 125
°
C:
Leakage current shall not
exceed the values listed in the Standard Ratings Tables.
Life Test:
Capacitors are capable of withstanding a 2000
hour life test at a temperature of + 85°C or + 125°C at the
applicable rated DC working voltage.
DIMENSIONS
in inches [millimeters]
L
0.180 [4.57]
Max.
D
0.0253
±
0.002
[0.64
±
0.05] Dia.
(No. 22 AWG)
Tinned Solderable Leads
Weld
Tantalum
BARE TUBE
CASE
CODE
C
F
T
K
D
0.187
±
0.015
[4.75
±
0.38]
0.281
±
0.015
[7.14
±
0.38]
0.375
±
0.015
[9.53
±
0.38]
0.375
±
0.015
[9.53
±
0.38]
L
0.453 + 0.031 - 0.015
[11.51 + 0.79 - 0.38]
0.641 + 0.031 - 0.015
[16.28 + 0.79 - 0.38]
0.765 + 0.031 - 0.015
[19.43 + 0.79 - 0.38]
1.063 + 0.031 - 0.015
[27.00 + 0.79 - 0.38]
WITH OUTER
PLASTIC - FILM INSULATION
D (Max.)
0.219
[5.56]
0.312
[7.92]
0.406
[10.31]
0.406
[10.31]
L (Max.)
0.515
[13.08]
0.704
[17.88]
0.828
[21.03]
1.126
[28.60]
LEAD
LENGTH
1.500
±
0.250
[38.10
±
6.35]
2.250
±
0.250
[57.15
±
6.35]
2.250
±
0.250
[57.15
±
6.35]
2.250
±
0.250
[57.15
±
6.35]
Max. WEIGHT
(Ounces/Grams)
0.07
[2.0]
0.18
[5.1]
0.36
[10.2]
0.49
[13.9]
Document Number: 40025
Revision 18-Jan-02
www.vishay.com
93
Model 138D
Vishay Sprague
ORDERING INFORMATION
138D
MODEL
306
CAPACITANCE
This is expressed in
picofarads. The first two
digits are the significant
figures. The third is the
number of zeros to
follow.
X0
CAPACITANCE
TOLERANCE
X0 =
±
20%
X9 =
±
10%
X5 =
±
5%
Special Order.
006
DC VOLTAGE RATING
AT + 85°C
C
CASE CODE
2
STYLE NUMBER
0 = No outer tube.
2 = Outer plastic-film insulation.
This is expressed in volts. See Ratings
and Case
To complete the three-digit
block, zeros precede the Codes Table.
voltage rating. A decimal
point is indicated by an "R"
(6R3 = 6.3 volts).
Packaging:
The use of formed plastic trays for packaging these axial lead components is standard. Tape and reel is not recommended
due to the unit weight.
STANDARD RATINGS
Max. DCL (
µ
A) @
+ 25
°
C
+ 85
°
C
+ 125
°
C
Max. CAPACITANCE
CHANGE (%) @
- 55
°
C
+ 85
°
C
+ 125
°
C
Max. RMS
RIPPLE
120 Hz
(mA)
CAPACITANCE
(
µ
F)
CASE
CODE
PART NUMBER*
Max. ESR
@ + 25
°
C
(Ohms)
Max. IMP.
@ - 55
°
C
(Ohms)
6 WVDC @ + 85
°
C . . . 4 WVDC @ + 125
°
C
30
68
140
270
330
560
1200
C
C
F
F
T
T
K
138D306X0006C2
138D686X0006C2
138D147X0006F2
138D277X0006F2
138D337X0006T2
138D567X0006T2
138D128X0006K2
3.4
3.4
1.8
1.8
1.8
1.8
0.9
100
60
40
25
20
25
20
0.5
0.5
0.75
0.75
1.0
1.0
1.2
2
2
3
6.5
7.9
13
14
- 40
- 40
- 40
- 44
- 44
- 64
- 80
+ 10.5
+ 14
+ 14
+ 17.5
+ 14
+ 17.5
+ 25
+ 12
+ 16
+ 16
+ 20
+ 16
+ 20
+ 25
140
160
330
330
410
410
530
8 WVDC @ + 85
°
C . . . 5 WVDC @ + 125
°
C
25
56
120
220
290
430
850
C
C
F
F
T
T
K
138D256X0008C2
138D566X0008C2
138D127X0008F2
138D227X0008F2
138D297X0008T2
138D437X0008T2
138D857X0008K2
2
3.4
100
0.5
2
3.4
59
0.5
4
1.8
48
0.75
7
1.8
30
0.75
9
1.8
24
1.0
14
25
1.8
1.0
16
0.9
22
2.0
10 WVDC @ + 85
°
C . . . 7 WVDC @ + 125
°
C
3.4
3.4
1.8
1.8
1.8
1.8
0.9
175
100
60
40
30
25
23
0.5
0.5
0.75
0.75
1.0
1.0
2.0
2
2
4
7
10
16
16
- 40
- 40
- 38
- 44
- 44
- 64
- 80
+ 10.5
+ 14
+ 14
+ 17.5
+ 14
+ 17.5
+ 25
+ 12
+ 16
+ 16
+ 20
+ 16
+ 20
+ 25
140
160
270
270
410
410
670
20
47
100
180
250
390
750
C
C
F
F
T
T
K
138D206X0010C2
138D476X0010C2
138D107X0010F2
138D187X0010F2
138D257X0010T2
138D397X0010T2
138D757X0010K2
- 32
- 36
- 36
- 36
- 40
- 64
- 80
+ 10.5
+ 14
+ 14
+ 14
+ 14
+ 17.5
+ 25
+ 12
+ 16
+ 16
+ 16
+ 16
+ 20
+ 25
140
160
270
270
410
410
670
15 WVDC @ + 85
°
C . . . 10 WVDC @ + 125
°
C
15
33
70
120
170
270
540
C
C
F
F
T
T
K
138D156X0015C2
138D336X0015C2
138D706X0015F2
138D127X0015F2
138D177X0015T2
138D277X0015T2
138D547X0015K2
3.4
3.4
2.6
1.8
1.8
1.8
1.0
155
90
75
50
35
30
23
0.5
0.5
0.75
0.75
1.5
1.5
2.5
2
2
4
7
10
16
24
- 24
- 28
- 28
- 28
- 32
- 56
- 80
+ 10.5
+ 14
+ 14
+ 17.5
+ 14
+ 17.5
+ 25
+ 12
+ 16
+ 16
+ 20
+ 16
+ 20
+ 25
130
160
270
270
410
410
610
20 WVDC @ + 85
°
C . . . 13 WVDC @ + 125
°
C
12
27
60
100
150
220
470
C
C
F
F
T
T
K
138D126X0020C2
138D276X0020C2
138D606X0020F2
138D107X0020F2
138D157X0020T2
138D227X0020T2
138D477X0020K2
3.4
3.4
2.6
1.8
1.8
1.8
1.0
190
100
60
50
35
30
20
0.5
0.5
0.75
0.75
1.5
1.5
2.5
2
2
4
7
10
16
24
- 16
- 20
- 28
- 28
- 38
- 48
- 75
+ 10.5
+ 11
+ 13
+ 13
+ 13
+ 13
+ 25
+ 12
+ 14
+ 15
+ 15
+ 15
+ 15
+ 25
130
160
270
270
410
410
600
www.vishay.com
94
Document Number: 40025
Revision 18-Jan-02
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