Capacitance Change with Reference to +25°C and 0 VDC Applied (TCC)
Aging Rate (Maximum % Cap Loss/Decade Hour)
Dielectric Withstanding Voltage
Dissipation Factor (DF) Maximum Limits @ 25ºC
Insulation Resistance (IR) Limit @ 25°C
-55°C to +125°C
±15%
3.0%
250% of rated voltage
(5 ±1 second and charge/discharge not exceeding 50 mA)
See Dissipation Factor (DF) Limits Table
See Insulation Resistance Limit Table
(Rated voltage applied for 120 ±5 seconds @ 25°C)
Parameters/Characteristics
Regarding aging rate: Capacitance measurements (including tolerance) are indexed to a referee time of 48 or 1,000 hours. Please refer to a part number specific
datasheet for referee time details.
To obtain IR limit, divide MΩ-µF value by the capacitance and compare to GΩ limit. Select the lower of the two limits.
Capacitance and dissipation factor (DF) measured under the following conditions:
1 kHz ±50 Hz and 1.0 ±0.2 Vrms if capacitance ≤ 10 µF
120 Hz ±10 Hz and 0.5 ±0.1 Vrms if capacitance > 10 µF
Note: When measuring capacitance it is important to ensure the set voltage level is held constant. The HP4284 and Agilent E4980 have a feature known as
Automatic Level Control (ALC). The ALC feature should be switched to "ON."
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