| Customization: | Available |
|---|---|
| Type: | Mica Capacitors |
| Application: | High Voltage, High Temperature |
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This series of products is made of high-performance high-pressure mica paper 511 as the main dielectric material, impregnated with moisture-proof and high-temperature epoxy resin for packaging.
Suitable for feedback circuits and pulse circuits in high voltage and high temperature environments.
Widely used in fields such as mineral exploration equipment, oil drilling equipment, satellites, aerospace, radar, medical equipment, welding machines, metallurgical equipment, etc.
Environmental temperature:- 55ºC~+200ºC
Capacity tolerance: ±3%,±5%,±10%
Relative humidity: 80%, can be used for a short period of time in a relative humidity range of 95% to 98% at+40 ºC
Atmospheric pressure: 6x104Pa
Vibration characteristics: frequency 20~500Hz, acceleration 2.7g~4.5g. After being subjected to vibration, the capacitance change range of the capacitor is not greater than ± 5%
Working voltage range: 0.45KV~30KV
Insulation resistance (R): Under normal climatic conditions
Nominal capacity C ≥ 0.1 μ F R ≥ 1000M Ω
Nominal capacity C < 0.1 μ F R > 5000M Ω
Tangent value of loss angle: tgδ≤4×10-3(1KHz),
After being kept at a high temperature of+200 ºC for 1 hour, the capacity change rate of the capacitor is not greater than ± 10%, the insulation resistance R is greater than 500M Ω, and the loss angle is positive.
The cut-off value of tg δ ≤ 5 × 10-3 (1KHz) meets the DC withstand voltage requirements;
After being kept at a high temperature of -55 ºC for 1 hour, the capacity change rate of the capacitor is not greater than ± 7%, the insulation resistance R is greater than 500M Ω, and the loss tangent value TG δ ≤ 5 × 10-3 (1KHz), meets the DC withstand voltage requirements;
After 5 temperature cycles at -55 ºC~+200 ºC, the capacity change rate of the capacitor is not greater than ± 5%, the insulation resistance R is greater than 500M Ω, and the loss angle
Tangent value tg δ ≤ 5 × 10-3 (1KHz), in compliance with DC withstand voltage requirements;
Under the conditions of+40 ºC and relative humidity of 95%~98%, the capacity change rate of the capacitor after 48 hours is not greater than ± 5%, and the insulation resistance
R>500M Ω, loss tangent value tg δ ≤ 5 × 10-3 (1KHz), in compliance with DC withstand voltage requirements;
After being stored at+195 ºC~+200 ºC for 96 hours, the capacity change rate of the capacitor is not greater than ± 10%, the insulation resistance R is greater than 500M Ω, and the loss. The tangent value of the angle, tg δ ≤ 5 × 10-3 (1KHz), meets the DC withstand voltage requirements;
| Model | Capacitance (μF) | Voltage (KV/DC) |
| CVG-1 | 0.47 | 3 |
| 0.47 | 0.25 | |
| 0.047 | 2 | |
| 0.033 | 0.25 | |
| CVG-2 | 3.3 | 3 |
| 0.1 | 4 | |
| CVG-3 | 0.022 | 4 |
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