INCH-POUND
MIL-PRF-39006/25E
7 December 2012
SUPERSEDING
MIL-PRF-39006/25D
24 October 2006
PERFORMANCE SPECIFICATION SHEET
CAPACITORS, FIXED, ELECTROLYTIC (NONSOLID ELECTROLYTE),
TANTALUM, (POLARIZED, SINTERED SLUG), (EXTENDED
RANGE) 85°C (VOLTAGE DERATED TO 125°C),
ESTABLISHED RELIABILITY, STYLE CLR81
This specification sheet is approved for use by all Departments
and Agencies of the Department of Defense.
The requirements for acquiring the product described herein
shall consist of this specification sheet and
MIL-PRF-39006.
NOTES:
1. Dimensions are in inches.
2. Metric equivalents are in parentheses.
3. Metric equivalents are given for general information only.
4. The weld shall not be enclosed in the end seal.
5. CLR81 capacitors are replacements for the inactive CLR69s (MIL-PRF-39006/21), silver cased wet slug
capacitors.
6. CLR81 capacitors have higher capacitance values than CLR79s (MIL-PRF-39006/22) of the same case size
and voltage rating.
7. Low ESR versions of CLR81s may be found in
MIL-PRF-39006/31
(CLR91).
FIGURE 1. Style CLR81 capacitors.
AMSC N/A
FSC 5910
MIL-PRF-39006/25E
Case
size
T1
T2
T3
T4
Dimensions
Basic case
Insulated case
L 1/
D
D
+.031 (0.79)
max
±.016
(0.41)
-.016 (0.41)
.453 (11.51)
.188 (4.78)
.219 ( 5.56)
.641 (16.28)
.281 (7.14)
.312 ( 7.92)
.766 (19.46)
.375 (9.52)
.406 (10.31)
1.062 (26.97)
.375 (9.52)
.406 (10.31)
E
±.250
(6.35)
1.500 (38.10)
2.250 (57.15)
2.250 (57.15)
2.250 (57.15)
1/ Length of basic case sleeving shall be as specified in
MIL-PRF-39006.
FIGURE 1. Style CLR81 capacitors - Continued.
REQUIREMENTS:
Design and construction:
Dimensions and configuration: See figure 1.
Case type: Tantalum, tubular, insulated.
Seal type: Hermetic (glass-to-tantalum anode).
Terminals: Axial-wire lead: Cathode and anode (type N32, N51, or N52 of
MIL-STD-1276).
Rated temperature: -55°C to +85°C, voltage derated to +125°C (see figure 2).
FIGURE 2. Voltage derating with temperature.
2
MIL-PRF-39006/25E
Rated voltage: See
table I.
Capacitance (Cap.) nominal (nom): See
table I.
Cap. tolerance:
±10
percent or
±20
percent (see
table I).
FR level: M, P, R, and S (see
table I).
DC leakage (DCL) (max) (at +25°C): See
table I.
Cap. (nominal):
Method 305 of MIL-STD-202.
Dissipation factor (DF) (max): See
table I.
Seal:
Method 112 of MIL-STD-202,
conditions A or D, and C.
Shock (specified pulse):
Method 213 of MIL-STD-202,
condition I (100 g's) or condition D (500 g's), as applicable.
Vibration, high frequency:
Method 204 of MIL-STD-202,
condition D (20 g's) or condition H (80 g's), as applicable.
Random vibration (as applicable):
Method 214 of MIL-STD-202,
test condition II-K (51 g's).
Thermal shock:
Method 107 of MIL-STD-202,
condition A (with step 3 at +125°C).
Number of cycles: In accordance with
MIL-PRF-39006,
the following shall apply.
DCL: 200 percent (max) of +25°C value of
table I
for qualification and group C.
DCL: 125 percent (max) of +25°C value of
table I
for group B.
∆Cap:
Within
±5
percent of initial measurement.
DF: 115 percent (max) of initial requirement.
Salt atmosphere (corrosion):
Method 101 of MIL-STD-202,
condition B (48 hours).
Solderability:
Method 208 of MIL-STD-202.
Terminal strength:
Pull:
Method 211 of MIL-STD-202,
condition A.
Wire-lead bend: In accordance with
MIL-PRF-39006.
Surge voltage: See
table I.
Moisture resistance:
Method 106 of MIL-STD-202.
DCL: 125 percent (max) of +25°C value of
table I.
∆Cap:
Within
±8
percent of initial measurement.
DF: 115 percent (maximum) of initial requirement.
Dielectric withstanding voltage (DWV):
Method 301 of MIL-STD-202.
2,000 V dc, minimum.
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