Engineering Bulletin Jul 03
PTB Series
PTB Specifications
Item
Characteristics
ꢀ
ꢃ55 to 105ꢁC
Category Temperature Range
Rated Voltage Range
Capacitance Range
Capacitance Tolerance
Leakage Current
2.5 to10VDC
47 to 1,000ꢀF
ꢄ
ꢀ
20% (M) at 20ꢁC, 120Hz
I ꢆ 0.1CV maximum after 5 minutes at 20ꢁC.
Where I=Max. leakage current (ꢀA), C=Nominal capacitance (ꢀF) and V=Rated voltage (V)
ꢀ
ꢀ
At 20ꢁC, 120Hz
Dissipation Factor (Tan ꢁ)
Case Code
D4L & D6
0.08
D8
Max.Tan ꢁ (DF)
0.10
ꢀ ꢀ
At 120Hz, the change in electrical performance atꢃ55ꢁC, 85ꢁC or 105ꢁC compared to the
initial measured value at 20ꢁC shall not exceed the values given below.
Temperature Characteristics
ꢀ
ꢀ
85ꢁC
ꢀ
105ꢁC
Temperature
ꢃ55ꢁC
ꢀ
0 to 20%
ꢀ
0 to 30%
Capacitance Change
ꢃ15 to 0%
≤ initial specified
≤ 150% of initial
specified value
≤ 150% of initial
specified value
Max.Tan ꢁ (DF)
value
Leakage Current
—
≤ 1.0CV (ꢀA)
≤ 1.0CV (ꢀA)
Rated Ripple Current Multipliers.
Ambient Temperature (ꢁC)
ꢀ
45ꢁC
ꢀ
65ꢁC
ꢀ
85ꢁC
ꢀ
105ꢁC
1.00
0.75
0.60
0.40
Frequency (kHz)
10kHz
0.25
40kHz
0.95
100kHz
1.00
400kHz
1.15
500kHz
1.25
ꢀ
Soldering Heat Resistance
The following specifications shall be satisfied when the capacitors are restored to 20ꢁC after
subjecting them to reflow soldering conditions of 40 seconds max. over 230ꢁC with a 250ꢁC
max.peak temperature.
ꢄ
Capacitance change : ≤ 10% of initial measured value
Tan ꢁ (DF)
Leakage current
: ≤ 200% of initial specified value
: ≤ 300% of initial specified value
ꢀ
The following specifications shall be satisfied when the capacitors are restored to 20ꢁC after
exposing them for 500 hours at 60ꢁC, 90-95% RH without voltage applied.
Humidity Test
Surge Voltage
ꢀ
ꢀ
Capacitance change : ≤ ꢃ20% to 30% of initial measured value
Tan ꢁ (DF)
Leakage current
: ≤ 150% of initial specified value
: ≤ 300% of initial specified value
ꢀ
The following specifications shall be satisfied when the capacitors are restored to 20ꢁC after
ꢀ
applying the specified surge voltage at 85ꢁC for 1,000 cycles (1 cycle = 30 seconds charge
through a 33Ω protective resistor and 5 minutes and 30 seconds discharge).
ꢄ
Capacitance change : ≤ 20% of initial measured value
Tan ꢁ (DF)
Leakage current
: ≤ initial specified value
: ≤ initial specified value
ꢀ
The following specifications shall be satisfied when the capacitors are restored to 20ꢁC after
applying the DC rated voltage for 1,000 hours at 105ꢁC. (8Vcategory voltage shall be applied
Endurance
(Load Life)
ꢀ
for the capacitors with a rated voltage of 10V.)
ꢄ
Capacitance change : ≤ 20% of initial measured value
Tan ꢁ (DF)
Leakage current
: ≤ 150% of initial specified value
: initial specified value
2/5
United Chemi-Con, Inc. 9801 W. Higgins Road, Rosemont, IL 60018 Tel 847-696-2000 Fax 847-696-9278 www.chemi-con.com
