National foreword
Cooperating organizations
Section one - General
1 Scope
2 Object
Section two - Terminology
3 General terms
3.1 General specification
3.2 Sectional specification
3.3 Detail specification
3.4 Family (of electronic components)
3.5 Sub-family (of electronic components)
3.6 Type
3.7 Type test
3.8 Type approval
3.9 Acceptance tests
3.10 Factory tests
3.11 Style
3.12 Grade
4 Capacitor terms
4.1 D.C. capacitor
4.2 Polar capacitor (for electrolytic capacitors)
4.3 Bipolar capacitor (for electrolytic capacitors)
4.4 A.C. capacitor
4.5 Pulse capacitor
4.6 Rated capacitance
4.7 Category temperature range
4.8 Upper category temperature
4.9 Lower category temperature
4.10 Rated voltage (UR)
4.11 Rated temperature
4.12 Category voltage (UC)
4.13 Temperature derated voltage
4.14 Surge voltage ratio
4.15 Rated ripple voltage
4.16 Rated ripple current
4.17 Time constant
4.18 Tangent of the loss angle (tan delta)
4.19 Self-healing
4.20 Maximum temperature of a capacitor
4.21 Minimum temperature of a capacitor
4.22 Variation of capacitance with temperature
Section three - Methods of test
5 Standard conditions for testing
6 Drying
7 Visual inspection and checking of dimensions
8 Insulation resistance
9 Voltage proof
10 Capacitance
11 Tangent of the loss angle
12 Leakage current
13 Impedance
14 Inductance
15 Outer foil termination
16 Robustness of terminations
16.1 Test Ua - Tensile
16.2 Test Ub - Bending (half of terminations)
16.3 Test Uc - Torsion (other half of terminations)
16.4 Test Ud - Torque (for nuts, threaded terminations
and integral devices)
16.5 Visual examination
17 Soldering
18 Rapid change of temperature
19 Vibration
20 Bumping
21 Container sealing
22 Climatic sequence
22.1 Initial measurements
22.2 Dry heat
22.3 Damp heat, accelerated, first cycle
22.4 Cold
22.5 Low air pressure
22.6 Damp heat, accelerated, remaining cycles
22.7 Final measurements
23 Damp heat, steady state
24 Endurance
25 Variation of capacitance with temperature
26 Short term stability
27 Storage
28 Surge
29 Self-healing (under consideration)
30 Charge and discharge (under consideration)