SPRAGUE TVL-4420 Electrolytic Capacitor

( Brand: Sprague ), ( Manufacturer Part Number: TVL-4420 ), ( Part Type: Capacitor )

Review SPRAGUE Vintage Electrolytic Capacitor

The Sprague TVL-4420 is a high-performance electrolytic capacitor designed for various electronic applications. This capacitor features a robust aluminum electrolytic construction, with a voltage rating of 450 volts and a capacity range between 2200 F to 22,000 F. ideal for power supply filtering, energy storage, and coupling applications in radio frequency (RF), audio, and power electronic systems.

This capacitor boasts several key advantages, including a low equivalent series resistance (ESR), which contributes to improved thermal stability and reduced Energy loss. Its low ESR also enhances the circuit's overall efficiency and helps minimize power waste, ultimately leading to reduced operating temperatures and prolonged product lifespan. The TVL-4420's low ESR coupled with a ripple current capability of up to 6.3 Amperes at 125 C ensures a stable and reliable power supply.

The capacitor's large capacitance values make it an excellent choice for power supply filtering, where it effectively reduces AC ripple and improves voltage regulation in DC power supplies. Furthermore, its high RF performance makes it suitable for RF bypass and coupling applications, allowing efficient signal transfer and reducing EMI (Electromagnetic Interference) and RFI (Radio Frequency Interference) in circuits.

This versatile capacitor offers a temperature range that extends from -55 C to 125 C, enabling operation under various temperature conditions. Its robust construction ensures stable performance even under harsh environmental conditions, making it suitable for use in industrial, broadcast, and telecommunications applications.

Long-term reliability is ensured by the incorporated NanoLok dried-in self-healing electrolyte, which significantly reduces moisture-related failures and provides excellent capacitance stability over time. The use of a conductive polymer aluminum electrode ensures superior impedance stability, enabling excellent voltage hold-up time during power transients. Each capacitor undergoes rigorous testing to meet both the electrical and environmental requirements, ensuring top-notch product quality and dependability.

Overall, the Sprague TVL-4420 is a high-performance electrolytic capacitor that delivers excellent power handling, thermal stability, and RF performance, making it an essential component in a wide variety of electronic applications. Its rugged construction, large capacitance values, and superior electrical specifications make it a reliable choice for demanding power supply, decoupling, and bypass applications in various industries.

The Sprague TVL-4420 electrolytic capacitor is a commonly used electronic component for filtering and energy storage applications. While it has its advantages, it also comes with some drawbacks. Here are the pros and cons that might help you decide whether or not to purchase this capacitor:

1. **Large capacitance values**: The TVL-4420 series offers a wide range of capacitance values from 100uF to 33000uF, making it suitable for various applications where large capacitance is required.

2. **Reasonable price**: Compared to some other capacitor types, the TVL-4420 series is often quite affordable, making it a cost-effective choice for many projects or applications.

3. **Good ripple current handling**: The TVL-4420 capacitor can handle relatively high ripple currents, which is important in many filtering applications.

4. **Available in different voltages**: This capacitor is available in various voltage ratings, allowing users to choose the one that best fits their application.

5. **Relatively high operating temperature**: The TVL-4420 can operate at temperatures up to 105 C, making it suitable for use in applications with high ambient temperature.

1. **Semi-conductor voltage dependence**: Electrolytic capacitors are voltage-dependent, and the TVL-4420 is no exception. This means that capacitance, ESR (equivalent series resistance), and other parameters can vary significantly with voltage.

2. **Ripple voltage**: The voltage ripple that is present in the load can affect the capacitor's performance, leading to non-linear behavior and decreased capacitance.

3. **Self-healing**: Althoughbeneficial in some ways, the self-healing property of electrolytic capacitors can cause issues in high-ripple applications, as it can create eutectic meltdown, which can ultimately damage the capacitor.

4. **Limited temperature range**: Although the TVL-4420 can operate at high temperatures (up to 105 C), it is not recommended to operate it below freezing temperatures, which can cause the electrolyte to solidify and reduce or completely eliminate its capacitance.

In conclusion, the Sprague TVL-4420 electrolytic capacitor offers several advantages such as a wide range of capacitance values, reasonable price, and high ripple current handling, but it comes with some drawbacks like voltage dependence, ripple voltage, self-healing, and limited temperature range. If the disadvantages are not a concern for your specific use case, the TVL-4420 could be a good choice; otherwise, you may consider other capacitor types.

If you're looking for an alternative that does not suffer from the same disadvantages, you might want to consider non-electrolytic capacitors like ceramic or aluminum electrolytic capacitors, or film capacitors, which might be more suitable for applications with more stringent requirements in terms of temperature range, ripple voltage, and voltage dependence.

Details:

Unused SPRAGUe capacitor from collection of NOS electronic parts.

part #: tvl4420 prices

• $21.25-$22.00

specifications vintaelec:

• brand: Sprague
• mpn: Tvl-4420
• part type: Capacitor

seller vintaelec:

• city: Philadelphia, Pennsylvania
• rating: 99.1%
• # reviews: 674

shipping vintaelec:

• type: Fixed
• transit: 7-12 Days
• service: USPS Ground Advantage
• class: Standard
• cost: $6.00
• carrier: USPS

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• other
• wallet: Paypal
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general vintaelec:

• Consumer Electronics > Vintage Electronics > Other Vintage Electronics

returns vintaelec:

• policy: No Returns

offer vintaelec:

• quantity: 1
• availability: In Stock
• started: February 3, 2025
• sold: 0
• options: Ship-to-home

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