REL-CAP PPTF405K4A Axial Film Capacitor Tube Audio Amplifier 4.0UF 400V

( Brand: Rel-cap ), ( Manufacturer Part Number: PPTF405K4A ), ( Mounting Style: Pcb Mount ), ( Type: Film Capacitor ), ( Tolerance Rating: 10 ), ( Termination Style: Axial ), ( Capacitance Rating: 4.0mf ), ( Material: Polypropylene, Polyester ), ( Maximum Operating Voltage: 400v )

Review REL CAP 4.0uf 400v Axial Film Capacitor Polyester Tube Audio Amplifier Qty

The RECAB PPTF405K4A is a high-performance axial film capacitor specifically designed for use in audio amplifier applications. This capacitor boasts a nominal capacitance of 4.0 F, making it well-suited for various filtering and coupling functions in audio circuits. Its voltage rating of 400V ensures that it can handle the high voltages typically found in amplifier systems.

The capacitor tube is constructed using advanced film technology that offers several advantages over traditional electrolytic capacitors. Film capacitors provide a more consistent and stable performance over a wide range of temperatures and frequencies. They also offer lower impedance, which results in better high-frequency response and improved transient response.

The axial lead design of the RECAB PPTF405K4A makes it easy to install in most audio amplifier circuits. The capacitor's diameter is 18.5mm, and its length is 39.8mm. The leads are made of copper and have a plated tin finish. This finish not only enhances the electrical conductivity of the leads but also ensures a reliable connection between the capacitor and the circuit.

The RECAB PPTF405K4A is designed to meet the rigorous requirements of professional audio applications. It can withstand high ripple currents, ensuring that it can handle the dynamic loads of an amplifier system. The capacitor is also rated for a self-healing voltage of 500V, providing an additional level of protection against voltage spikes and surges.

The RECAB PPTF405K4A is a reliable and high-performance solution for audio amplifier applications. Its advanced film technology, high capacitance, and robust design make it an excellent choice for audio professionals seeking superior sound quality and reliability in their equipment.

Pros and Cons of buying a Rel-Cap PPTF405K4A 4.0uf 400V Axial Film Capacitor for Audio Amplifiers

a. High Voltage Capability: This capacitor can handle a voltage of up to 400V, making it suitable for high voltage audio amplifiers.

b. Film Technology: Film capacitors, like the Rel-Cap PPTF405K4A, offer several advantages over electrolytic capacitors. They have a lower equivalent series resistance (ESR), which results in a better frequency response and lower distortion.

c. Longer Life Span: Film capacitors generally last longer than electrolytic capacitors due to their solid dielectric material.

d. Low Leakage Current: Film capacitors have a lower leakage current compared to electrolytic capacitors, which can be advantageous in audio applications where maintaining a stable voltage is crucial.

e. Lower EMI/RFI: Film capacitors have lower electromagnetic interference (EMI) and radio-frequency interference (RFI) compared to electrolytic capacitors, which can help improve the sound quality in audio applications.

a. Cost: Film capacitors, especially those with high voltage ratings like the Rel-Cap PPTF405K4A, tend to be more expensive than electrolytic capacitors of the same capacity.

b. Limited Capacitance Values: Film capacitors are typically available in a more limited range of capacitance values compared to electrolytic capacitors, which may make it more difficult to find an exact match for your amplifier's requirements.

c. Larger Size: Film capacitors, especially those with high voltage ratings and large capacitance values, tend to be larger than electrolytic capacitors of the same capacity. This can make them more difficult to install in compact audio amplifiers.

d. Fragile: Film capacitors are more fragile than electrolytic capacitors and require careful handling during installation and maintenance to avoid damage.

The Rel-Cap PPTF405K4A 4.0uf 400V Axial Film Capacitor offers several advantages for audio amplifier applications, including high voltage capability, long life span, low leakage current, and low EMI/RFI. However, it also comes with some disadvantages such as a higher cost, limited capacitance values, larger size, and fragility. Ultimately, the decision to buy this capacitor depends on the specific requirements of your audio amplifier and your budget.

If you're building or repairing an audio amplifier that requires a high voltage capacitor with superior electrical performance, then the Rel-Cap PPTF405K4A 4.0uf 400V Axial Film Capacitor is an excellent choice. However, if cost is a significant factor, or if you don't require the high voltage rating, you may want to consider other capacitor types or brands with lower prices and more readily available capacitance values.

Details:

With a Capacitance rating of 4.0mF and maximum operating voltage 400V, this Capacitor is made durable polypropylene material offers tolerance 10 %. Bin 594, The REL-CAP Capacitor Audio Cap Theta PPT405K4A is a high-quality electronic component designed for use in various electrical equipment and supplies.

part #: pptf405k4a price

• $19.95

specifications capacitorelectron:

• brand: Rel-cap
• mpn: Pptf405k4a
• mounting style: Pcb Mount
• type: Film Capacitor
• tolerance rating: 10
• termination style: Axial
• capacitance rating: 4.0mf
• material: Polypropylene, Polyester
• maximum operating voltage: 400v

seller CapacitoRelectron:

• city: Brea, California
• # reviews: 13587
• rating: 99.1%

shipping CapacitoRelectron:

• transit: 5-9 Days
• type: Fixed
• service: Standard
• cost: $5.85
• class: Standard

returns CapacitoRelectron:

• time: 30 Days
• policy: Returns Accepted
• paid by: Buyer
• method: Money back

offer CapacitoRelectron:

• started: October 9, 2025
• availability: In Stock
• quantity: 2
• options: Ship-to-home
• sold: 0

payments CapacitoRelectron:

• credit card: Visa
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• wallet: Apple-pay
• cash

general CapacitoRelectron:

• Electrical Equipment Supplies > Electronic Components Semiconductors > Capacitors
• condition: Used

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