1996 Nov 06 4
Philips Components
Electrolytic Capacitors Tests and Requirements
Reverse
voltage 4.15 1 V in reverse polarity followed by
UR in forward polarity, both for
125 hours at upper category
temperature
leakage current ≤ stated limit
tan δ≤stated limit
∆C/C: ±10%
Pressure relief
(for types with
vent only)
4.16 DC voltage applied in reverse
direction producing a current of
1to10A
pressure relief opens prior to
danger of explosion or fire
Storage at
upper
category
temperature
4.17 Ba test duration 500 hours at upper
category temperature; for longer
test duration (shelf life), refer to the
relevant data sheet in this data
handbook
no visible damage;
no leakage of electrolyte
leakage current ≤2×stated limit
tan δ≤1.2 ×stated limit
∆C/C: ±10%
Storage at low
temperature 4.18 Ab 72 hours at the lower category
temperature no visible damage;
no leakage of electrolyte
leakage current ≤stated limit
tan δ≤stated limit
∆C/C: ±10%
Characteristics
at high and low
temperatures
4.19 step 1: reference measurement of
impedance at 20 °C and 100 Hz
Aa step 2: measurement at lower
category temperature impedance at 100 Hz:
≤7×value of step 1 for
UR≤6.3 V or UR>160 V;
≤5×value of step 1 for
6.3 V <UR≤16 V;
≤4×value of step 1 for
16V<UR≤160 V
Ba step 3: measurement at upper
category temperature leakage current:
≤10 ×stated limit at 125 °C;
≤8×stated limit at 105 °C;
≤5×stated limit at 85 °C;
≤3×stated limit at 70 °C
Charge and
discharge 4.20 for UR≤160 V: 106cycles of 0.5 s
charge to UR (RC = 0.1 s) and 0.5 s
discharge (RC = 0.1 s);
for UR>160 V: under consideration
no visible damage;
no leakage of electrolyte
∆C/C: ±10%
Additional tests in accordance with IEC 384-1 and EN 130000
Solvent
resistance 4.31 Xa immersion: 5 ±0.5 minutes with or
without ultrasonic at 55 ±0.5 °C
solvents: demineralized water
and/or calgonite solution (20 g/l)
visual appearance not affected
Passive
flammability 4.38 IEC 695-2-2 needle flame test category of flammability: B
NAME OF
TEST
IEC 384-4/
CECC 30300
subclause
IEC 68-2
TEST
METHOD
PROCEDURE
(quick reference) REQUIREMENTS