Overview
The datasheet presents information on UBT Series High Temperature Range Aluminum Electrolytic Capacitors designed for usage at temperatures up to +125°C. These capacitors are well-suited for demanding automobile electronics applications, showcasing exceptional reliability over extended operating periods ranging from 2000 to 10000 hours at +125°C. Compliance with RoHS directive (2011/65/EU) is also noted.
Key Specifications
Critical performance specifications of the capacitors include a wide range of category temperatures from -40°C to +125°C depending on voltage selection. They support rated voltage ranges of 10V to 450V and capacitance ranges from 4.7μF to 4700μF, with a capacitance tolerance of ±20%. Leakage current characteristics ensure stability corresponding to specific calculations ensuing one minute’s application of rated voltage at 20°C.
Electrical Characteristics
The datasheet emphasizes important electrical parameters, including low impedance levels at different frequencies and voltages, and stability during low-temperature operation within initially specified values even after 2000 to 10000 hours of load life at stipulated temperatures. Dissipation factors and leakage currents are maintained within initial specified values after specified durations, guaranteeing endurance.
Physical Configurations
Varieties of aluminum electrolytic capacitors are cataloged by case size options, ranging from diameters of 8mm to 25mm and lengths from 11.5mm to 35.5mm, with the corresponding maximum impedance and rated ripple currents listed. Variations in the capacitors include standard and semi-standard types, distinguished by lead wire material and sleeve compositions, with options for PET and polyolefin sleeves.
Marking and Packaging
Capacitors are marked with white color lettering on a blue sleeve for easy identification. Information regarding additional configurations, end seal details, and special product types such as formed or taped options are directed to subsequent pages of the datasheet.
Applications and Compliance
Designed for use in automobile electronics, these capacitors are implicitly adapted for high-temperature operating conditions where consistent performance is critical. The datasheet asserts adherence to environmental regulations with RoHS compliance.
Performance And Durability
The UBT series capacitors demonstrate superior endurance characteristics after being subjected to a no-load 1000-hour test at 125°C, followed by a voltage treatment, fulfilling parameters for specified endurance traits.
References:
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