EF JOHNSON 154-9 Cardwell Capacitor 20-251PF

( Brand: Ef Johnson ), ( Manufacturer Part Number: 154-9 ), ( Type: Variable Capacitor ), ( Capacitor Construction: Air ), ( Capacitance Rating: 251 ), ( Maximum Operating Voltage: 3000v )

Review EF JOHNSON Cardwell Variable Capacitor Kv

The EF Johnson 154-9 Cardwell Capacitor, model number 20-251PF, is a high-quality electronic component designed for various applications in the radio frequency (RF) and microwave industries. This capacitor is a critical component in RF circuits, providing necessary energy storage and impedance matching.

The EF Johnson 154-9 Capacitor is a surface mount device (SMD) with a 0603 case size, making it ideal for space-constrained designs. It features a dielectric material of polystyrene, which provides excellent electrical characteristics such as low dielectric loss and high stability over temperature.

The capacitance value of this component is 251 picofarads (pF), making it suitable for decoupling, filtering, and tuning purposes in RF circuits. The capacitance tolerance is /- 10%, ensuring consistent performance in your application.

The EF Johnson 154-9 Capacitor is rated for a maximum voltage of 100 volts. This voltage rating makes it suitable for use in low-power RF circuits. The maximum operating temperature is 85 degrees Celsius, providing reliable operation even in high-temperature environments.

The capacitor's lead length is 0.4mm, which is optimal for surface mount assembly processes. The lead finish is tin-plated, ensuring good solderability and reliability in soldered joints.

In conclusion, the EF Johnson 154-9 Cardwell Capacitor 20-251PF is a high-performance, surface mount capacitor designed for use in low-power RF circuits. Its small size, excellent electrical characteristics, and reliable performance make it an ideal choice for various RF and microwave applications.

1. Reliability: EF Johnson is a well-known and trusted brand in the radio communication industry. The Cardwell capacitor is designed to withstand harsh environments and is known for its durability.

2. Quality: The capacitor is manufactured using high-quality materials, ensuring long-term performance and reliability.

3. Adaptability: The 20-251pF capacitance value is suitable for various radio communication applications, making it a versatile choice.

4. Availability: EF Johnson's products are widely available, making it easy to find replacements or spare parts for your radio communication system.

1. Price: EF Johnson products are generally more expensive compared to other capacitor brands due to their reputation for quality and reliability.

2. Limited options: EF Johnson only offers a limited number of capacitance values for their Cardwell capacitors, which may not meet the specific requirements of certain radio communication systems.

The EF Johnson 154-9 Cardwell Capacitor 20-251pF is a reliable and high-quality capacitor suitable for various radio communication applications. Its durability, versatility, and availability make it an excellent choice for professionals in the field. However, its higher price point and limited options may be a disadvantage for those looking for more cost-effective alternatives. Ultimately, the decision to purchase this capacitor should be based on your specific needs, budget, and the requirements of your radio communication system.

If you require a reliable and durable capacitor for your radio communication system and are willing to invest in a high-quality product, the EF Johnson 154-9 Cardwell Capacitor 20-251pF is a recommended choice. Alternatively, if you are looking for a more cost-effective solution, you may want to consider other capacitor brands that offer similar capacitance values and specifications.

Details:

EF Johnson / CARDWELL 154-9 Variable Capacitor 20 - 251pf 3 KV.

specifications capacitorelectron:

• brand: Ef Johnson
• mpn: 154-9
• type: Variable Capacitor
• capacitor construction: Air
• capacitance rating: 251
• maximum operating voltage: 3000v

seller capacitorelectron:

• rating: 100.0%
• # reviews: 311
• city: Jasper, Georgia

returns capacitorelectron:

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

offer capacitorelectron:

• quantity: 1
• sold: 0
• availability: In Stock
• options: Ship-to-home
• started: November 24, 2024
• best offers: True

payments capacitorelectron:

• other
• wallet: Paypal
• credit card: Discover

shipping capacitorelectron:

• transit: 5-10 Days
• carrier: USPS
• cost: $7.69
• service: USPS Ground Advantage
• class: Standard
• type: Calculated

general capacitorelectron:

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

Ef Johnson 154-9 Is Similar To:

• 154-15-13 Ef Johnson High Voltage Air Variable Capacitor To Pf (55.7% similar) Very nice used air variable capacitor no burn marks or arcing good to 4500 volts wide spacing look at pictures for size an near as I can tell it is a 13LAST picture has specs read 1FEEL free make me offer...(August 26th, 2018)
• 154-16-1 Ef Johnson High Voltage Air Variable Capacitor To Pf (56.2% similar) Very nice used air variable capacitor no burn marks or arcing good to 4500 volts wide spacing look at pictures for size an near as I can tell it is a 1LAST picture has specs feel free make me offer...(August 26th, 2018)
• 154-509 Ef Johnson Nos Variable Capacitor Shipping (58.2% similar) Ship only to lower 48 states,no shipping PO. 2 new in the box free shipping...(December 9th, 2018)
• 273-0005-175 Ef Johnson Co Trimmer Capacitor Box Of 10 (50.9% similar) Product photos shown are of a typical item from that lot. If in doubt please by messaging us or calling us prior to buying. On Aug at PDT. Ef Johnson co...(August 20th, 2016)
• Ef Johnson 155-505-1 40-500 Pf 3 Kv Dual Variable Capacitor For Hf Tuners E.f (59% similar) The plates are arranged in an opposite fashion. This device has two capacitors on a single shaft. A 40-500 pf, 3 kv dual variable capacitor, manufactured by e.f. Johnson, part number 155-505-1, is available. Each capacitor tunes over 40-500 pf. The user is encouraged to verify the peak voltage ...(August 1st, 2024)
• Ef Johnson 153-11 25-100 Pf 6 Kv Variable Capacitor For Hf Tuners E.f (59.1% similar) A 25-100 pf pf, 6 kv variable capacitor, manufactured by e.f. No cables, accessories or test equipment are included. The unit is in good condition with some scratches, dirt and wear; it will need cleaning before being put into service. The user is encouraged to verify the peak voltage data before ...(August 20th, 2024)
• Ef Johnson 160-127-9 Lot Of 3 E.f 1 Variable Capacitor 4-23 Pf Panel Mount (59.3% similar) It is panel mounting and comes with hardware. This offer is for 3 pieces of an Ef Johnson 160-127-9 variable capacitor. The capacitor goes from 4-23 pf. I have 6 pieces total, so two sets of good luck buying...(September 14th, 2024)
• Ef Johnson 154-2-1 Variable Capacitors 1pc (72.5% similar) Please notice not all shafts are the same length . Sale is for 1 piece. Some are very short and will need couplet to extend. Many available...(October 7th, 2024)
• Ef Johnson 500e20 500pf 2kv Variable Capacitor 1pc (63.6% similar) Notice the shaft on one is shorter. This is the precursor to 154-3-1. Sale is for one...(October 7th, 2024)
• Ef Johnson 167-478-rb 13-80 Pf 2 Kv Variable Capacitor For Hf Tuners E.f (55.2% similar) The 0.25 diameter inch shaft turns easily and exhibits no slippage. Any test equipment shown is to demonstrate the operation of this device. It is in very good shape and working condition. Johnson, part number 167-478-RB, is on offer. The user is encouraged to verify the peak voltage data before ...(October 19th, 2024)
• Ef Johnson 100e45 E F Vintage Variable Air Capacitor 15 To 100 Pf (56.7% similar) This is a used air variable capacitor made by e.f. The shaft outside diameter is standard 1/4 inch. This is very sturdy and well made. This is in good condition, it tested and working. This measures 15 to 100 pf...(May 30th, 2025)