AUDYN Q4-82.0-400 Cap Mkp Foil Capacitor 844632099991 Q4/82.0/400 82UF 400V P6

( Brand: Audyn ), ( Manufacturer Part Number: Q4/82.0/400 ), ( Part Type: Cap Capacitor ), ( Compatible Brand: Universal ), ( Country Of Origin: China ), ( UPC: 844632099991 )

Review AUDYN Q4/82.0/400 Pair Cap Q4 82uf 400v Mkp Foil Capacitors P6 Capacitor Unused

The **Audyn Q4 series (82.0 F, 400V DC, MKP foil capacitor)** represents a cutting-edge advancement in high-performance, metalized polypropylene (MKP) film capacitor technology, engineered to deliver exceptional reliability, efficiency, and longevity in demanding electrical and electronic applications. Part of the **P6 series**, these capacitors are meticulously crafted using **ultra-thin, high-quality polypropylene film** combined with **advanced metallization techniques**, ensuring superior dielectric strength, minimal energy loss, and outstanding thermal stability. The **Q4 designation** signifies a fourth-generation design optimized for reduced equivalent series resistance (ESR) and equivalent series inductance (ESL), making them ideal for high-frequency filtering, voltage smoothing, and energy storage in circuits where precision and efficiency are paramount. With a **400V DC working voltage**, these capacitors are well-suited for applications in power supplies, motor drives, inverters, and renewable energy systems where they must withstand transient surges, voltage spikes, and prolonged operation under fluctuating loads. The **82.0 F capacitance** provides a robust energy reserve, balancing compact form factor with substantial charge storage, while the **foil-wound construction** ensures mechanical robustness and resistance to vibration, making them highly durable in harsh environments. Designed with **low-loss metallization** and **high-purity polypropylene film**, these capacitors exhibit minimal dielectric absorption and excellent temperature stability across a broad operational range, typically from **-40 C to 105 C**, without compromising performance. Their **MKP dielectric** also offers superior resistance to moisture, humidity, and chemical exposure compared to traditional paper or polyester capacitors, enhancing their suitability for industrial and automotive applications where reliability is non-negotiable. The **P6 series** further distinguishes itself through **advanced manufacturing processes**, including precision winding and hermetic sealing, which eliminate air gaps and reduce the risk of partial discharges, thereby extending the capacitor s operational lifespan. Whether used in **DC link filtering, EMI suppression, or as a backup energy reservoir in uninterruptible power systems (UPS)**, these capacitors deliver a harmonious blend of **high capacitance, low impedance, and exceptional longevity**, making them a premium choice for engineers seeking uncompromising performance in critical electrical designs. Their **compact yet robust construction** also facilitates easy integration into space-constrained systems, where every millimeter of efficiency counts. In summary, the **Audyn Q4 (82.0 F, 400V DC, MKP foil capacitor)** is not merely a component but a **high-performance solution** that combines cutting-edge materials, precision engineering, and reliability to meet the most exacting demands of modern power electronics.

**Pros and Cons of buying a Audyn Q4 (82.0 F, 400V, MKP Foil Capacitors, P6 Series)**

### **Pros**

1. **High-Quality Construction** Audyn is a well-regarded brand known for manufacturing reliable capacitors, particularly for audio and power applications. Their MKP (Metalized Polypropylene) foil capacitors are designed for durability and long-term stability, making them suitable for high-end audio equipment, amplifiers, and power supplies.

2. **Low Impedance and Low ESR** The Q4 series is optimized for low impedance and low equivalent series resistance (ESR), which helps reduce power loss and improve efficiency in circuits. This is particularly beneficial in audio applications where signal integrity is critical.

3. **Wide Voltage Rating (400V)** The 400V rating provides flexibility for use in high-voltage applications, including power factor correction, motor starting, and robust amplifier circuits where voltage spikes or surges may occur.

4. **Stable Performance Over Time** MKP capacitors are known for their excellent dielectric stability, meaning they maintain capacitance and performance over extended periods without significant degradation. This reduces the risk of failure due to aging.

5. **Good Thermal Stability** Foil capacitors generally handle temperature fluctuations better than some electrolytic or ceramic alternatives, making them reliable in environments with varying thermal conditions.

6. **Compatibility with High-Frequency Applications** While primarily used in low-frequency audio and power circuits, the Q4 series can also perform well in some high-frequency applications where other capacitor types might struggle with losses.

7. **Brand Reputation** Audyn is trusted in the audio and electronics communities for producing capacitors that meet or exceed industry standards, reducing the likelihood of early failure or performance issues.

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### **Cons**

1. **Higher Cost Compared to Alternatives** Audyn capacitors, especially those in the Q4 series, are premium products and tend to be more expensive than generic or lower-end brands. For budget-conscious projects, this may not be justified unless performance is critical.

2. **Limited Availability** Depending on the region, these capacitors may not be as widely stocked as more common brands (e.g., Nichicon, Rubycon, or even generic foil capacitors). This could lead to longer lead times or reliance on specialty distributors.

3. **Overkill for Low-End Applications** If you are building a simple, low-power circuit (e.g., a small signal amplifier or basic power supply), the Q4 series may offer more performance than necessary. In such cases, a more affordable capacitor could suffice without sacrificing reliability.

4. **Physical Size and Bulk** Foil capacitors, especially those rated for high voltage and capacitance, can be physically larger than some alternatives (e.g., film or ceramic capacitors). This may limit their use in space-constrained designs.

5. **Potential for Misapplication** While MKP capacitors are versatile, they are not ideal for all applications. For example, in high-frequency RF circuits or where extremely low capacitance drift is required, other dielectric materials (e.g., polypropylene film or ceramic) might be more appropriate.

6. **No Built-in Polarization** Like most foil capacitors, these are non-polarized, which is an advantage in many cases. However, if the circuit requires polarized components (e.g., electrolytic capacitors), this may not be a drawback but could complicate design choices.

7. **Sourcing Dependence** As with any specialized component, the availability of Audyn capacitors can be affected by supply chain issues or manufacturer decisions. This could pose challenges if you need to replace or repair a circuit in the future.

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### **Conclusion**

The Audyn Q4 (82.0 F, 400V, MKP foil capacitors) is an excellent choice for applications where **reliability, low impedance, and long-term stability** are prioritized. They are particularly well-suited for **high-end audio equipment, power amplifiers, power factor correction circuits, and other demanding electrical applications** where generic or lower-quality capacitors might fail prematurely. Their premium construction justifies the higher cost in scenarios where performance and longevity are critical.

However, for **budget-friendly projects, small-signal circuits, or applications where space is extremely limited**, the cost and size of these capacitors may not be justified. In such cases, alternatives like **generic MKP foil capacitors, polypropylene film capacitors, or even high-quality electrolytics (with proper derating)** could offer a more cost-effective solution without sacrificing reliability.

If you are working on a **critical audio project, a high-power amplifier, or a circuit where capacitor failure could lead to equipment damage or safety risks**, the Audyn Q4 is a **strong recommendation**. For less demanding applications, a cost-benefit analysis is advisable to determine whether the premium features are necessary.

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### **Final Recommendation**

- You are building a **high-end audio amplifier, power supply, or power correction circuit**.

- You need **long-term reliability, low impedance, and stable performance** in a demanding environment.

- Budget is not a constraint, and you prioritize **premium components** for critical applications.

- You are working on a **low-cost or low-power project** where the Q4 s features are unnecessary.

- You need **smaller or more space-efficient capacitors** (e.g., for embedded systems or RF applications).

- You can find **equally reliable but cheaper MKP foil capacitors** from other reputable brands (e.g., Vishay, AVX, or local manufacturers).

In summary, the Audyn Q4 is a **top-tier choice for serious electronics enthusiasts and professionals** who demand the best performance from their capacitors. For casual or budget projects, alternatives may be more practical.

Details:

PAIR Audyn Cap Q4 82uF 400V MKP Foil Capacitors, Minor wear on the outside shell but new and unused, Greats caps, save.

part #: q4820400 prices

• $20.00-$38.69

specifications speakerpartgo:

• brand: Audyn
• mpn: Q4/82.0/400
• part type: Cap Capacitor
• compatible brand: Universal
• country of origin: China
• upc: 844632099991

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• condition: New

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• # reviews: 823

offer speakerpartgo:

• options: Ship-to-home
• started: April 23, 2026
• sold: 0
• quantity: 1
• availability: In Stock

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