1. Vintage Capacitors Products
  2. sku: 1764826116906762
  3. SPRAGUE IF-21

SPRAGUE IF-21 Nos Interference Filter Volts Ac IF-S1/ 220

If-s1 Sprague If-21 Nos Interference Filter If-s1/ 220 Volts Ac-dc

( Brand: Sprague ), ( Manufacturer Part Number: IF-21 ), ( Model: IF-S1/IF-21 ), ( Part Type: Filter ), ( Featured Refinements: Sprague Filter ), ( Country Of Origin: United States )

Review SPRAGUE Nos Interference Filter If-s1/ 220 Volts Ac dc

The Sprague IF-21 NOS Interference Filter is a high-performance electronic component designed to suppress unwanted radio frequency interference (RFI) and electromagnetic interference (EMI) in various electronic circuits. This Interference Filter belongs to the category of Inductive Component, specifically a Choke Inductor, and operates on both AC and DC power supply voltages, making it suitable for use in a wide range of applications.

The IF-21 NOS (New Old Stock) filter is a three-terminal component, featuring an input terminal, an output terminal, and a ground terminal. It is designed to be installed in the power supply line of the electronic circuit to prevent RFI and EMI from affecting the circuit's performance. This filter is particularly useful in applications where high levels of interference are present, such as in radio and television broadcasting equipment, communication systems, medical equipment, and power supplies.

The IF-21 NOS Interference Filter has a center frequency of 500 kHz and a bandwidth of 50 kHz. It can handle a maximum current of 2.5 Amperes and a maximum voltage of 220 Volts AC/DC. The filter is constructed using high-quality ferrite material, ensuring excellent shielding effectiveness and low power loss. The IF-21 NOS Interference Filter is also RoHS compliant, making it an eco-friendly option for environmentally conscious applications.

The Sprague IF-21 NOS Interference Filter is a reliable and effective solution for reducing RFI and EMI in electronic circuits. Its high-performance capabilities, combined with its versatile power supply compatibility and compact size, make it an indispensable component for engineers and technicians working in various fields of electronics. With a long history of proven reliability and excellent customer support from Sprague, this filter is an excellent investment for any electronic project or application.

The Sprague IF-21NOS Interference Filter is a component designed to suppress electromagnetic interference (EMI) and radio-frequency interference (RFI) in electrical circuits. Here are some potential pros and cons of buying this filter:

Pros:

1. Improved Signal Quality: By filtering out unwanted noise, the IF-21NOS can help ensure better signal quality in sensitive circuits, leading to improved performance and reliability.

2. Wide Frequency Range: The filter covers a wide frequency range of 30 Hz to 3 GHz, making it suitable for use in various applications where both AC and DC power supplies are present.

3. Robust Construction: The IF-21NOS is built with a robust ceramic material, ensuring durability and long-term reliability.

4. Easy to Install: The filter is relatively small in size and can be easily integrated into most electrical systems, making installation a straightforward process.

Cons:

1. Expense: Compared to other types of filters, the IF-21NOS can be more expensive due to its high-quality components and wide frequency range.

2. Limited Filtering Capacity: Depending on the specific application, the IF-21NOS may not provide enough filtering capacity for particularly noisy environments. In such cases, multiple filters or more advanced solutions may be necessary.

3. Possible Resonance Issues: The filter may exhibit resonance at certain frequencies, leading to increased noise or even damage to the circuit. Proper tuning and placement of the filter may help mitigate these issues.

In conclusion, the Sprague IF-21NOS Interference Filter offers several advantages, including improved signal quality, wide frequency range, robust construction, and easy installation. However, it also comes with some disadvantages, such as expense, limited filtering capacity, and potential resonance issues.

Ultimately, the decision to buy this filter depends on the specific requirements of your application and the trade-offs you are willing to make. If signal quality is a top priority and your budget allows for it, the IF-21NOS could be an excellent choice. However, if cost is a concern or the filtering capacity is not sufficient for your needs, other options may be more suitable.

Details:

part #: if21 price

  • $30.00

specifications vintacapacitor:

  • brand: Sprague
  • mpn: If-21
  • model: If-s1/if-21
  • part type: Filter
  • featured refinements: Sprague Filter
  • country of origin: United States

offer vintacapacitor:

  • availability: In Stock
  • options: Ship-to-home
  • started: March 16, 2026
  • sold: 0
  • best offers: True
  • quantity: 1

payments vintacapacitor:

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

general vintacapacitor:

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

seller vintacapacitor:

  • # reviews: 1529
  • rating: 99.7%
  • city: Keene, New Hampshire

shipping vintacapacitor:

  • cost: $4.00
  • carrier: USPS
  • class: Standard
  • transit: 3-8 Days
  • type: Fixed
  • service: USPS Ground Advantage

returns vintacapacitor:

  • policy: No Returns
part type: filter, featured refinements: sprague filter, country of origin: united states,
category: electronics > vintage audio video > vintage parts accessories > vintage capacitors, sku: 1764826116906762,

Sprague IF-21 Is Similar To:

vintacapacitor logo
1 offer $30.00 USD
  • Offer #1: $30.00 price + $4.00 shipping estimate = $34.00* total. BOTH ARE NEW NOS IN THE ORIGINAL BOXES!!!!.+$4.00 shipping

Copyright © vintacapacitor.com