Type HHT 175 °C, Aluminum Electrolytic Capacitor
Type HHT has long life and rugged construction for high temperature
environments. HHT capacitors are rated for full operating voltage at
175 °C and tested to 2000 hrs at rated voltage and temperature. 5000
hours of life at 150 ºC with ripple current ratings up to 10 Arms.
Highlights
- Rated for +175 ºC without voltage derating
- High capacitance retention @ -40 ºC
- Up to 20g vibration
Specifications
Temperature Range
Rated Voltage Range
Capacitance Range
–40 °C to +175 °C
16 Vdc to 40 Vdc
470 µF to 4700 µF
Capacitance Tolerance
–10 / +30%
Leakage Current (at 20 ºC)
I = 0.003 CV +4.0 µA; after 5 minutes at rated voltage
I = leakage current in µAmps
C = rated capacitance in µF
V = rated DC Working voltage in Volts
Ripple Current vs. Frequency Correction Factors
Frequency (Hz)
100
300
1000 5000
0.8
100 kHz
1.04
Ripple Current Correction Factor 0.35
0.57
1
Low Temperature Characteristics
DC Life Test
Impedance ratio: Z–40 ⁰C ∕ Z+25 ⁰C @120 Hz ≤3
2000 h @ rated voltage at 175 °C
∆ Capacitance 30V and 40V 20% ꢀ 16V 25%
ESR 200% of limit
DCL 100% of limit
Shelf Life Test
Case Material
(+105 ºC/0 Vdc): 1000 hours
(+40 ºC/0 Vdc): 10 years
Stainless Steel
CDM Cornell Dubilier • 140 Technology Place • Liberty, SC 29657 • Phone: (864)843-2277 • Fax: (864)843-3800