Datasheet

Aluminum Electrolytic Capacitors
1. Scope:
This specification applies to aluminium electrolytic capacitor , used in electronic equipment.
2. Electrical charateristics:
NO. ITEM
2. 1
Rated voltage
2. 2
Capacitance
2. 3
1. Measuring frequency : 120 ± 12Hz
2. Measuring voltage : ≦0.5Vrms + 0.5 ~ 2.0VDC
Voltage range
﹑capacitance
range, see specification of this
series.
Dissipation factor
〔 〕
3. Measurement
circuit :
2. 4
Leakage current DC leakage current shall be measured after 1~2 minutes
application of the DC rated working voltage through the
1000 Ω resistor at 20℃.
Dissipation factor﹑leakage
current, see specification of
this series.
S1 R
S2 CX
S1 : Swich
S2 : Swich for protect of
R : 1000 ± 100Ω A :
DC current meter
V : DC voltage meter
current meter
CX : Testing capacitor
2. 5
Temperature
characteristics STEP
STORAGE TIME
1
30 minutes
2
2 hours
3
15 minutes
4
2 hours
Step 1. Measure the capacitance and
impedance.
( │Z∣, 20℃ , 120Hz ± 10% )
Step 2. Measure the impedance at thermal balance
after 2 hours
( │Z∣, -40℃, 120Hz ± 10% )
Step 4. Measure the capacitance and leakage current at
Step 2.
Impedance ratio (Zr / Z
r0
)
less than specified value.
Step 4
Capacitance change :
within ±
20% of the initial
measured value.
thermal balance after 2 hours.
Leakage current :
Less than 10 times of initial
specified value.
20 ± 2 ℃
-40 ± 3 ℃
20 ± 2 ℃
105 ± 2℃
TEST METHOD
SPECIFICATION
TEMPERATURE
V
A
+
-
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