ARCOLYTIC 2B42 Nos Uf Capacitor Tubepower Supply Tube Power Amplifier 100/40 450V

( Brand: Arcolytic ), ( Manufacturer Part Number: 2B42 )

Review ARCOLYTIC Nos 100/40 Uf 450v Capacitor Test Good. For Tubepower Supply

The Arcolytic 2B42 NOS 100/40uf 450V capacitor is a vintage component designed specifically for use in tube power supplies for amplifiers. This capacitor, manufactured by Arcol, is a non-original new old stock (NOS) item, meaning it is a new component that has been previously manufactured and has been stored unused for an extended period.

This capacitor features a capacitance value of 100 microfarads (uf) and a voltage rating of 450 Volts (V). The capacitance is a crucial factor in the design of a power supply circuit, as it determines how much electrical charge the capacitor can store. In the context of a tube amplifier power supply, this capacitor plays a critical role in providing the required DC voltage to the amplifying tubes.

The Arcolytic 2B42 NOS 100/40uf 450V capacitor is designed using electrolytic capacitor technology. Electrolytic capacitors use an electrolyte, typically a liquid or a gel, to store electrical charge. This design offers several advantages, such as higher energy density and lower equivalent series resistance (ESR) compared to other capacitor technologies. However, electrolytic capacitors require careful handling and proper disposal due to the hazardous nature of the electrolyte.

The Arcolytic 2B42 NOS 100/40uf 450V capacitor has a temperature range of -25 C to 70 C, making it suitable for use in a wide range of temperature environments. The capacitor's size is 6.5 inches long, 3.5 inches wide, and 3 inches high, making it a standard size for this type of component. The capacitor is also equipped with a vented can to prevent internal pressure build-up during charging and discharging.

This capacitor is a must-have for hobbyists, audio engineers, and technicians working on vintage tube amplifiers or designing custom power supplies. It is a high-quality component that offers excellent performance and reliability, making it an essential addition to any tube amplifier build or repair project. With its robust construction, high capacitance, and suitable voltage rating, the Arcolytic 2B42 NOS 100/40uf 450V capacitor is a versatile and reliable solution for tube amplifier power supply applications.

Arcolyte 2B42 Capacitor for Tube Power Supply: A Comprehensive Analysis

The Arcolyte 2B42 capacitor is a popular choice for tube power supplies due to its high-quality construction and reliable performance. In this analysis, we will discuss the pros and cons of buying this capacitor for your tube amplifier power supply.

1. High Ripple Current Capability: The Arcolyte 2B42 capacitor is designed to handle high ripple currents, making it an excellent choice for tube power supplies where large current surges are common.

2. High Voltage Rating: With a voltage rating of 450V, this capacitor can handle the high voltages required by tube amplifiers, ensuring safe and efficient operation.

3. Low Equivalent Series Resistance (ESR): A low ESR means that the capacitor can deliver current more efficiently, reducing power loss and improving the overall performance of the power supply.

4. Long Life Expectancy: Arcolyte capacitors are known for their durability and long life expectancy, making them a wise investment for those seeking a reliable power supply solution.

1. Cost: The Arcolyte 2B42 capacitor is more expensive than some other capacitor options on the market. However, its high-quality construction and superior performance make it a worthwhile investment for those seeking the best possible power supply solution for their tube amplifier.

2. Size: Due to its high voltage and large capacitance, the Arcolyte 2B42 capacitor is a relatively large component. This may make it more difficult to integrate into smaller power supply enclosures.

3. Handling Precautions: As with any high-voltage capacitor, proper handling precautions must be taken when working with the Arcolyte 2B42 capacitor to avoid electric shock or damage to the component.

The Arcolyte 2B42 capacitor is a high-performance and reliable option for those seeking a top-tier power supply solution for their tube amplifier. Its ability to handle high ripple currents, high voltages, and low ESR make it an excellent choice for tube power supplies where efficient and safe operation is crucial. While its cost and size may be drawbacks for some, the long-term benefits and superior performance make it a worthwhile investment for those seeking the best possible power supply solution for their tube amplifier.

If you are in the market for a high-quality capacitor for your tube power supply, the Arcolyte 2B42 is an excellent choice. Its superior performance, long life expectancy, and reliable construction make it a wise investment for those seeking the best possible power supply solution for their tube amplifier. While its cost and size may be considerations, the benefits of using a high-quality capacitor like the Arcolyte 2B42 are well worth the investment.

Details:

Label very faint but can be read in good light. As shown no box and solder residue, leakage measured with Prague Tel-oh mike to-5 at 450 volts was .05 ma on both sections.

part #: 2b42 prices

• $12.95-$39.95

specifications vintacapacitor:

• brand: Arcolytic
• mpn: 2b42

shipping vintacapacitor:

• transit: 5-12 Days
• type: Fixed
• carrier: USPS
• cost: $8.00
• service: USPS Ground Advantage
• class: Standard

offer vintacapacitor:

• started: November 1, 2025
• sold: 0
• quantity: 1
• availability: In Stock
• options: Ship-to-home
• best offers: True

returns vintacapacitor:

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

seller vintacapacitor:

• # reviews: 1062
• rating: 99.8%
• city: Richmond, California

payments vintacapacitor:

• credit card: Visa
• wallet: Paypal
• other

general vintacapacitor:

• Vintage Audio Video > Vintage Parts Accessories > Vintage Capacitors
• condition: Used

Arcolytic 2B42 Is Similar To:

• Arco Ldp Ctm-1284 Vintage Arcolytic Electrolytic Capacitor Nos1500 Mfd 50v A24 Nib Nos (35.3% similar) Serious collectors / hobbyists only. Ships with extra care worldwide. Scarce / rare discontinued. We'll get back to you shortly. Shipping: combine shipping by adding to cart purchase. Find more deals, ideas, and rarities. From electrical engineers estate. Untested, as-is...(October 25th, 2024)
• Loral Cme-t100 Nos Arcolytic Capacitors 100mfd 350vdc Made In Usa (37% similar) Shipped with USPS ground advantage. Nos Arcolytic capacitors CAME-T100 100MFD 350VDC made in USA. Condition is new...(November 2nd, 2024)
• Arco Electronics Inc Ctm-4913 Vintage Arcolytic Electrolytic Capacitor Nos Acro Inc (32.7% similar) Please see pictures for details. Condition is new old stock. The box has some wear...(November 11th, 2024)
• Arcolytic 270071-13 Vintage Aluminum Capacitor Type Kfp New Tt (46.2% similar) Sold as is electrolytic capacitor. New in box 99.99% high purity aluminum foil electrolytic capacitor arco/DP Lora distributor products type KP 450VDC 270071-13 235-7149Y 85 degree c made USA will combine shipping if applicable. Vintage Arcolytic aluminum capacitor type KP, 270071-13, new...(March 4th, 2025)
• Arcolytic Ctp-4400 Vintage Nos nib 60 Mfd 150 V Can Style Capacitor (43.2% similar) As a sought-after piece in the vintage electronics market, this Arcolytic capacitor is rare find for collectors and enthusiasts of audio video equipment. With its can design and specific capacitance voltage ratings, this capacitor is sure to enhance the performance authenticity of any...(June 5th, 2025)
• Arco Electronics Inc 4436 Vintage Arcolytic Electrolytic Capacitor Ctm-4436 Nos Acro Inc (34.1% similar) With its classic design and well-known brand, this component is perfect for restoring or building vintage audio video equipment. This capacitor, made in the USA, is new old stock nos condition, ensuring its quality and functionality. Is a rare find for vintage audio and electronics...(June 24th, 2025)
• Arcolytic Ctm-3226 Electrolytic Capacitor Metal Can Nib (41.2% similar) Part #: Arcolytic CTN-3226 for sale...(December 13th, 2025)
• Arcolytic Ctm-1573 Nos Nib 160 Mfd 250 V Can Style Capacitor Ctm 1573 (48% similar) It is a high-quality component designed for vintage audio and video equipment, providing reliable performance stability. The nos nib Arcolytic 160 FD 250 v can capacitor ctn 1573 is a vintage capacitor made in the USA by. With its can design and specific capacitance value...(December 29th, 2025)