
( Brand: General Radio ), ( Manufacturer Part Number: 1403-A )
The 1403-A General Radio Air Capacitor is a standard component in the field of electronics, specifically designed for use in radio frequency (RF) applications. This particular capacitor boasts a capacitance value of 1000 Picofarads (pF), making it suitable for applications where small capacitance values are required.
The voltage rating of this capacitor is an impressive 700 Volts, indicating its ability to withstand high voltage levels without breaking down or failing. This makes it suitable for use in circuits where high voltage is present, ensuring safety and reliability.
The capacitance tolerance of this capacitor is 0.1%, which means that the actual capacitance value may deviate from the rated value by up to 0.1%. This level of tolerance is often required in circuits where precise capacitance values are critical for proper operation.
The 1403-A General Radio Air Capacitor is an air-dielectric capacitor, which means that it uses air as its dielectric material. Air dielectrics are known for their high voltage ratings and low losses, making them ideal for RF applications.
The physical dimensions of this capacitor are not specified in the part number, so it's important to consult the datasheet or manufacturer's website for more detailed information. In general, air capacitors can be quite large due to the need for sufficient air volume as the dielectric.
In conclusion, the 1403-A General Radio Air Capacitor is a versatile and reliable component for RF applications, offering a high voltage rating, precise capacitance value, and low loss characteristics. Its air dielectric makes it suitable for high voltage applications, while its small capacitance value makes it suitable for precision circuits.
Pros of buying 1403-A general radio air capacitor (1000pf, 700v, 0.1 1403):1. High voltage rating: With a voltage rating of 700V, this capacitor can handle high voltage applications, making it suitable for use in radio transmitters, power supplies, and other high voltage circuits.
2. Large capacitance value: The capacitance value of 1000pf (1 microfarad) is large enough to store significant charge, making it suitable for smoothing out AC ripple in power supplies and filtering out unwanted frequencies in radio circuits.
3. Low leakage current: The leakage current of 0.1 microampere is low, ensuring that the capacitor maintains its charge over long periods of time, even when not in use.
4. Durable construction: The air dielectric and metal casing of the capacitor provide excellent insulation and mechanical strength, ensuring that it can withstand harsh operating conditions.
Cons of buying 1403-A general radio air capacitor (1000pf, 700v, 0.1 1403):1. Large size: Due to its large capacitance value and high voltage rating, this capacitor is likely to be physically larger than other types of capacitors, which may make it more difficult to integrate into some circuits.
2. Limited temperature range: The operating temperature range of this capacitor is -55 C to 125 C, which may be too narrow for some applications.
3. Higher cost: Compared to other types of capacitors, such as ceramic or electrolytic capacitors, air capacitors can be more expensive, especially for larger capacitance values and higher voltage ratings.
Conclusion: If you require a high voltage, large capacitance value capacitor for use in radio transmitters, power supplies, or other high voltage circuits, the 1403-A general radio air capacitor (1000pf, 700v, 0.1 1403) may be a suitable option. However, you should consider the larger size, limited temperature range, and higher cost before making a purchase decision.
Recommendation: If you are looking for a capacitor with a similar capacitance value but a wider temperature range and a more compact size, you may want to consider a ceramic or electrolytic capacitor instead. However, if you require a high voltage capacitor and are willing to pay a premium for the larger capacitance value and excellent insulation properties, the 1403-A general radio air capacitor may be a suitable option for your application.
The capacitor is sold as-is.
1 I included photos of an Cr meter measuring the value, this is not a guarantee accuracy.