MIL-HDBK-217 Capacitor Tables

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This section includes the various tables for capacitor specifications: Capacitor types, temperature factor, series resistance factor, voltage stress factor, environment factor, and quality factor.

Capacitor Style

Capacitor Style Specification Description λp πT Table Use Column: πC Table Use Column: πV Table Use Column: πSR Table Use Column:
CPMIL-C-25Capacitor, Paper Dielectric, DC (Hermetically Seals in Metal Cases)0.000371111
CAMIL-C-12889Capacitor, By-Pass, Radio-Interference Reduction, Paper Dielectric, AC and DC (Hermetically sealed in Metallic Cases)0.000371111
CZ, CZRMIL-C-11693Capacitor, Feed through, Radio-Interference Reduction, AC and DC (Hermetically sealed in Metallic Cases) ,Established and Nonestablished Reliability0.000371111
CQ, CQRMIL-C-19978Capacitor, Fixed Plastic (or Paper-Plastic) Dielectric (Hermetically sealed in metal, ceramic or glass cases), Established and Nonestablished Reliability0.000511111
CHMIL-C-18312Capacitor, Fixed, Metaliized (Paper, Paper Plastic or Plastic Film), Dielectric, DC (Hermetically Sealed in Metal Cases)0.000371111
CHRMIL-C-39022Capacitor, Fixed, Metallized Paper, Paper-Plastic Film or Plastic Film Dielectric0.000511111
CFRMIL-C-55514Capacitor, Fixed, Plastic (or Metalized Plastic), Dielectric, DC in Non-Metal Cases0.000511111
CRHMIL-C-83421Capacitor, Fixed Supermetallized Plastic Film Dielectric (DC, AC or DC and AC) Hermetically Sealed in Metal Cases, Established Reliability0.000511111
CMMIL-C-5Capacitors, Fixed, Mica Dielectric0.000762121
CMRMIL-C-39001Capacitor, Fixed, Mica Dielectric, Established Reliability0.000762121
CBMIL-C-10950Capacitor, Fixed, Mica Dielectric, Button Style0.000762121
CYMIL-C-11272Capacitor, Fixed, Glass Dielectric0.000762121
CYRMIL-C-23269Capacitor, Fixed, Glass Dielectric, Established Reliability0.000762121
CKMIL-C-11015Capacitor, Fixed, Ceramic Dielectric (General Purpose)0.000992131
CKRMIL-C-39014Capacitor, Fixed, Ceramic Dielectric (General Purpose), Established Reliability0.000992131
CC, CCRMIL-C-20Capacitor, Fixed, Ceramic Dielectric (Temperature Compensating), Established and Nonestablished Reliability0.000992131
CDRMIL-C-55681Capacitor, Chip, Multiple Layer, Fixed, Ceramic Dielectric, Established Reliability0.002002131
CSRMIL-C-39003Capacitor, Fixed, Electrolytic (Solid Electrolyte), Tantalum, Established Reliability0.00040124See πSR Table
CWRMIL-C-55365Capacitor, Fixed, Electrolytic (Tantalum), Chip, Established Reliability0.00005124See πSR Table
CLMIL-C-3965Capacitor, Fixed, Electrolytic (Nonsolid Electrolyte), Tantalum0.000401241
CLRMIL-C-39006Capacitor, Fixed, Electrolytic (Nonsolid Electrolyte), Tantalum, Established Reliability0.000401241
CRLMIL-C-83500Capacitor, Fixed, Electrolytic (Nonsolid Electrolyte), Tantalum Cathode0.000401241
CU, CURMIL-C-39018Capacitor, Fixed, Electrolytic (Alumunum Oxide), Established Reliability and Nonestablished Reliability0.000122211
CEMIL-C-62Capacitor, Fixed, Electrolytic (DC, Aluminum, Dry Electrolyte, Polarized)0.000122211
CVMIL-C-81Capacitor, Variable, Ceramic Dielectric (Trimmer)0.007901151
PCMIL-C-14409Capacitor, Variable (Piston Type, Tubular Trimmer)0.006002151
CTMIL-C-92Capacitor, Variable, Air Dielectric (Trimmer)0.000012151
CGMIL-C-23183Capacitor, Fixed or Variable, Vacuum Dielectric0.006001151

Temperature Factor - πT

T(°C) Column 1 Column 2
200.910.79
301.101.25
401.321.92
501.572.87
601.854.19
702.155.98
802.488.36
902.8511.48
1003.2415.50
1103.6620.59
1204.1026.97
1304.5834.86
1405.0944.49
1505.6256.14

Capacitance Factor - πC

T(°C) Column 1 Column 2
0.0000010.290.04
0.0000100.350.07
0.0001000.440.12
0.0010000.540.20
0.0100000.660.35
0.0500000.760.50
0.1000000.810.59
0.5000000.940.85
1.0000001.001.00
3.0000001.101.29
8.0000001.211.61
18.0000001.301.94
40.0000001.392.34
200.0000001.613.38
1000.0000001.864.90
3000.0000002.066.31
10000.0000002.298.32
30000.0000002.5310.71
60000.0000002.6912.56
120000.0000002.8714.73

Voltage Stress Factor - πV

Voltage Stress Column 1Column 2Column 3Column 4Column 5
0.11.01.01.01.01.0
0.21.01.01.01.01.1
0.31.01.01.11.01.2
0.41.11.01.31.01.5
0.51.41.21.61.02.0
0.62.02.02.02.02.7
0.73.25.72.614.73.7
0.85.218.83.4134.05.1
0.98.658.74.4986.36.8
1.013.9166.45.65908.89.0

Series Resistance Factor (Tantalum CSR Style Capacitors Only) - πSR

Circuit Resistance πSR
>0.80.66
>0.6 to 0.81.0
>0.4 to 0.61.3
>0.2 to 0.42.0
>0.1 to 0.22.7
>0 to 0.13.3

Environment Factor - πE

Environment Factor πE
GB1.0
GF10.0
GM20.0
NS7.0
NU15.0
AIC12.0
AIF15.0
AUC25.0
AUF30.0
ARW40.0
SF0.5
MF20.0
ML50.0
CL570.0

Quality Factor - πQ

Quality Factor πQ
Established Reliability, Style D0.001
Established Reliability, Style C0.010
Established Reliability, Style S, B0.030
Established Reliability, Style R0.100
Established Reliability, Style P0.300
Established Reliability, Style M1.000
Established Reliability, Style L1.500
Non-established Reliability Resistors (Most Two-Letter Styles)3.000
Commercial or Unknown Screening Level10.000