MALLORY FP399B Nos Capacitors 20/10/100UF 500/500/50V

( Brand: Mallory ), ( Manufacturer Part Number: FP399B ), ( Part Type: Capacitor )

Review MALLORY Lot Of Nos Can Capacitors 20/10/100uf 500/500/50v

The Mallory FP399B NOS (New Old Stock) capacitors are a must-have for electronic enthusiasts and technicians seeking high-quality, reliable components for their projects. These capacitors, with a capacitance value of 20/10/100uf (microfarads), offer versatility to cater to various circuit requirements.

The 20uf and 10uf capacitors in this set, each with a voltage rating of 50v, are ideal for applications that demand relatively smaller capacitance values. These capacitors provide excellent stability and performance, making them suitable for use in audio circuits, oscillator circuits, and other applications where precise timing and low ESR (Equivalent Series Resistance) are essential.

The star of the show is the 100uf capacitor, with a voltage rating of 500v. This high-voltage capacitor is an indispensable component in power supply circuits, filters, and other high voltage applications. Its large capacitance value ensures that it can store and deliver significant amounts of energy, ensuring stable voltage levels and smoother power delivery.

The Mallory FP399B NOS capacitors are manufactured using the finest materials and techniques, ensuring their longevity and reliability. These capacitors are known for their excellent stability, low ESR, and high ripple current handling capabilities. Moreover, being NOS (New Old Stock), they have not been exposed to the modern manufacturing processes, which may introduce inconsistencies or degradation in performance.

In summary, the Mallory FP399B NOS capacitors (20/10/100uf, 500/500/50v) offer a perfect blend of performance, versatility, and reliability. Their high-quality construction, combined with their ability to cater to a wide range of capacitance values and voltage requirements, makes them a valuable addition to any electronic project or repair.

Mallory FP399B NOS (New Old Stock) capacitors are popular among electronics enthusiasts and audio hobbyists due to their allegedly superior sound quality compared to modern capacitors. Here are some pros and cons of buying these capacitors:

1. Historical Value: NOS capacitors, especially those from respected brands like Mallory, have a certain historical appeal. They can be used to restore vintage electronic equipment or to build replicas of classic circuits.

2. Sonic Character: Some audiophiles claim that NOS capacitors provide a more musical and natural sound compared to modern capacitors.

3. Reliability: NOS capacitors are often considered more reliable than modern capacitors since they were manufactured using older, more labor-intensive processes.

1. Limited Availability: NOS capacitors are not easily available, and when they are, they can be quite expensive. The scarcity of these capacitors can make it challenging for hobbyists to obtain them.

2. Higher Cost: Due to their limited availability and perceived superiority, NOS capacitors are generally more expensive than modern capacitors.

3. Variability: Since these capacitors are old, there may be variations in their electrical characteristics compared to modern capacitors. This can make them less consistent and less suitable for use in sensitive circuits.

In conclusion, Mallory FP399B NOS capacitors can be an excellent addition to a vintage electronics collection or a unique component in a high-end audio project. However, they come with some drawbacks, such as limited availability, higher cost, and potential variability in their electrical characteristics.

If you're building a project where sound quality is a priority and you have the budget for it, considering NOS capacitors like Mallory FP399B could be worthwhile. However, if you're working on a budget or need consistent capacitor performance, modern capacitors may be a better choice. Ultimately, the decision to use NOS capacitors depends on your specific project requirements and budget.

Details:

Ships fast and packed safely. For sale is a lot of 5 vintage NOS Mallory FP399B multi-section electrolytic can capacitors. Popped the tops on some. Poor opening skills.

Model /Part: FP399B. Type: Multi-section electrolytic can capacitor. Specs per markings/boxes: Brand: Mallory. voltage : 500 / 50 VDC.

Great for vintage tube radio, amplifier, or electronics restoration projects. Condition: NOS / New Old Stock. Capacitance: 20 / 10 100 MFD. Includes only what is shown in photo.

May show light shelf/ storage wear from age. Item Specifics. I didn't do a leak test but the resistance climbs as juice is soaking up. Listed as open box because I opened them.

Type: Multi-section electrolytic capacitor.

part #: fp399b prices

• $12.98-$44.00

specifications vintacapacitor:

• brand: Mallory
• mpn: Fp399b
• part type: Capacitor

payments vintacapacitor:

• credit card: Discover
• other
• wallet: Paypal

shipping vintacapacitor:

• type: Calculated
• service: USPS Ground Advantage
• class: Standard
• carrier: USPS
• transit: 5-10 Days
• cost: $7.71

returns vintacapacitor:

• policy: No Returns

seller vintacapacitor:

• rating: 99.9%
• # reviews: 1453
• city: Independence, Missouri

general vintacapacitor:

• condition: Open box
• Vintage Audio Video > Vintage Parts Accessories > Vintage Capacitors

offer vintacapacitor:

• quantity: 1
• options: Ship-to-home
• sold: 0
• availability: In Stock
• started: January 17, 2026

Mallory FP399B Is Similar To:

• Mallory 290-0016-66 125 Uf 350 Vdc Twist Lock Electrolytic Filter Can Capacitor Tested (38.2% similar) Dimensions: 3.5 x 1.4. P/N:290-0016-66. Our standard service is us postal 1ST class. One tested MALLORY125 uf 350 CDC, twist lock electrolytic filter can capacitor. Minor surface tarnish. Tested for capacitance, voltage and leakage please review the photos for more detail. Made in the USA...(May 19th, 2024)
• Mallory Tp-404 Rare Blue Guitar Tone Capacitors 001uf 600 V Dc Vintage Tested (43.1% similar) The rated at .001 FD 600 CDC to find this with the little blue canister and not large paper for cap is extremely rare. These cats have been tested and plenty of leads left the shortest one is just over an inch other three are all at least 2 inches lead. Both caps test perfectly, and they...(June 16th, 2024)
• Mallory 108-130mfd 6-pcs Capacitors Sprague Aero And Hi-torq Z2 (40.3% similar) Happy buying and god bless. Everything from breakers, motors, controllers, and fuses to testing equipment power supplies...(July 2nd, 2024)
• Mallory Tc-1505 Vintage Pair Capacitors Orange And Tc-495 Untested (37.9% similar) These are untested my multi meter is currently on the fritz. These appear used but in good condition. You get both capacitors I purchased these in an estate sale with a huge vintage electrical lot...(July 9th, 2024)
• Mallory Fp-227 Type Fp-149 6a Electrolytic Can Capacitor 80 4500uf 450vdc See Pictures (52.6% similar) The pictures are the so take a look at...(July 12th, 2024)
• Mallory Cg751t200k1 Nos Capacitor Part No (45.9% similar) Box has some normal wear but still in great shape. Feel free to message me with any questions. No guarantees in whether this part fits your vehicle or project. Please see pics...(August 11th, 2024)
• Mallory Wp540 1 60cps 3v Np Special Television Capacitor Circa 1940s Nos (38.8% similar) Box has some shelf wear, list note - with projection light bulbs...(August 11th, 2024)
• Mallory Tcd-2173 Capacitor 8-8 Mfd 250 Vdc Nos (41.1% similar) Capacitor is new / never used. Mallory CD-2173 capacitor 8-8 FD 250 CDC nos, new old stock - packaging may be worn and fragile from age...(September 1st, 2024)
• Mallory 23b64722a01 2 Nos Motorola Electrolytic Capacitors 500 400 100 Uf 16v Car Radio 1961 (45.6% similar) Tests results: cap 1/5 00 478, 400 390, 100 99.8 2/4 50, 3/8 6, you can jumper these in to see if they fix your radio. They are 1/1 /2 tall not including terminals by diameter at top. I checked these on my heath Cr meter. These are both same IA date codes 2356152X. Combined shipping...(September 1st, 2024)
• Mallory Tc65 Box Of 14 New 20 Uf 350 V Dc Axial Lead Capacitors (43.9% similar) Model TC65.NEW mil surplus. Box of 14 Mallory 20 uf...(September 23rd, 2024)
• Mallory Fp377.1 Nos A-section Electrolytic Can Capacitor 40-40-40 Mfd Uf 450v (53.1% similar) Part #: Mallory FP377.1 for sale...(September 25th, 2024)