A CA35 axial wet tantalum capacitor produced by BEC is a high reliable, hermetically sealed capacitor by using tantalum pentoxide dielectric as anode. It's known for stable performance in many harsh conditions. It's house in a silver case and a liquid electrolyte with two axial leads coming out from two different sides. This feature makes it ideal for the industry of aerospace, military, and telecom applications that needs high CV in a compact form. It offers excellent thermal stability, low leakage, and high capacitance per unit volume, with models meeting Chinese military and industrial standards like SJ/T10030-91. CA35 series axial wet tantalum capacitors are widely used in aerospace, aviation, military and medical industries.
Basic Parameters
|
Product Category |
CA35 axial wet tantalum capacitor |
|
Capacitance Range |
1UF~1500UF |
|
Voltage Range |
6.3V~100V |
|
Working Temperature |
-55℃~125℃ |
|
Tolerance |
±10%, ±20% |
|
Certificate |
RoHS, REACH |
|
Applications |
Aerospace, military and avionics, medical equipment, energy applications, telecommunications |
Characteristics
CA35 axial wet tantalum capacitors are hermetically sealed and silver-cased components with axial polars and wet electrolyte, featuring wide temperature range, low leakage and high reliability. They are compliant with Chinese military standards and ideal for the use in harsh environment like military, aerospace and telecom applications.
Ultra low leakage and stable response to stress: tight leakage limits ensure minimum self-discharge for precision energy storage and filtering. Wet electrolyte resists thermal and voltage stress. Low dissipation factor maintains capacitance consistency across temperature/ voltage swings.
Reverse Voltage Tolerance: A unique and critical feature. Most CA30 capacitors are rated to withstand a limited reverse voltage (typically 1.0 to 3.0V DC, specified in the datasheet) without damage. This is impossible for solid tantalums.
Self-Healing Ability: Minor dielectric flaws are "burned away" by the electrolyte, preventing latent failures-a major reliability advantage.
Production Process
Parts of Our Production Facilities
FAQ
Q1: What makes CA35 axial wet tantalum capacitors suitable for harsh environment applications?
A1: Three core design features enable the parts adapt to harsh environment.
They are:
1. Hermetic silver case sealing. In this case electrolyte leakage and ingress of moisture, dust, and corrosive gases can be greatly prevented.
2. Wide temperature tolerance. They can be stably operated in extreme low and high temperature environments (-55°C ~ +125°C).
3. Low-temperature impedance. Impedance is limited to specified values at -55°C to avoid performance degradation in ultra-low temperatures.
Q2: What is the operating temperature range for CA35 axial wet tantalum capacitors? Are there any derating requirements?
A2: The CA35 has a wide operating temperature range of from -55°C to +125°C. Voltage derating requirements applie when operating above 85°C to ensure stable performance and long-term use.
Q3: Does a CA35 axial wet tantalum capacitor have a lower dissipation factor (DF), and what is its impact?
A3: Yes, this features a low, standardized dissipation factor. A low DF ensures minimal energy loss, stable high-frequency performance and consistent capacitance under voltage/temperature fluctuations. It's very critical for filtering and energy storage circuits.
Q4. What are the storage requirements for a CA35 capacitor?
A4: Should be stored in dry, clean, and temperature-controlled environment.
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