JOHNSON 148-4 Ef Capacitor

( Brand: Johnson ), ( Manufacturer Part Number: 148-4 ), ( Part Type: Capacitor )

Review JOHNSON Ef Capacitor

The Johnson 148-4 EF capacitor is a high-performance electrolytic capacitor designed for various electronic applications, particularly in power supply circuits. This capacitor is manufactured by Johnson Controls, a renowned name in the electronics industry, ensuring reliability and quality.

The Johnson 148-4 EF capacitor comes in a radial leaded design, with a capacity of 4700 F and a working voltage of 25V. The "EF" in the model number signifies that this capacitor is equipped with an aluminum electrolyte and a tin-plated copper lead finish. The aluminum electrolyte offers excellent stability and long-life performance, making it an ideal choice for applications that demand high energy storage and low Equivalent Series Resistance (ESR).

The capacitance value of 4700 F provides ample energy storage for power supply circuits, ensuring a stable voltage output even under heavy load conditions. The working voltage rating of 25V is suitable for various low-voltage applications. The radial lead design allows for easy installation in through-hole mounting applications.

This capacitor features a robust construction to ensure reliable operation under various conditions. The high-quality aluminum foil used in the capacitor's construction provides excellent conductivity and heat dissipation, reducing the risk of overheating and thermal runaway. The tin-plated copper leads provide excellent conductivity and durability, reducing the risk of corrosion and ensuring a stable connection.

The Johnson 148-4 EF capacitor also offers excellent ripple current handling capabilities, making it suitable for applications where high current pulses are present. Its low ESR and high power factor ensure efficient energy transfer in power supply circuits.

In summary, the Johnson 148-4 EF capacitor is a high-performance, radial leaded electrolytic capacitor with a capacity of 4700 F and a working voltage of 25V. It is designed for various electronic applications, particularly in power supply circuits, and features a robust construction, excellent energy storage capabilities, and high ripple current handling. The use of high-quality aluminum electrolyte and tin-plated copper leads ensures reliable operation and long life.

The Johnson 148-4EF capacitor is a popular choice for various electronic applications due to its high capacitance value and low ESR (Equivalent Series Resistance). Here are some pros and cons of buying this capacitor:

1. High Capacitance: With a capacitance value of 148 microfarads, this capacitor is suitable for applications that require large capacitance values.

2. Low ESR: The low ESR value of this capacitor ensures minimal power loss and improved efficiency in the circuit.

3. Good Ripple Current Handling: This capacitor can handle high ripple currents, making it ideal for applications such as power factor correction and filtering.

4. Robust Construction: The Johnson 148-4EF capacitor is built with high-quality materials and has a robust construction, ensuring reliability and longevity.

5. Wide Operating Temperature Range: This capacitor can operate in a temperature range of -40 C to 85 C, making it suitable for use in various environments.

1. Size and Weight: Due to its high capacitance value and robust construction, the Johnson 148-4EF capacitor is larger and heavier than smaller capacitors, which may require more space and increased costs for shipping.

2. Cost: The higher capacitance value and quality materials used in the construction of this capacitor result in a higher price point compared to smaller capacitors.

3. Limited Voltage Rating: This capacitor has a maximum voltage rating of 400V, which may be limiting for some applications that require higher voltage ratings.

The Johnson 148-4EF capacitor is a high-performance capacitor with a large capacitance value, low ESR, and good ripple current handling capabilities. It is suitable for applications that require large capacitance values and can handle high ripple currents. However, its larger size and weight, higher cost, and limited voltage rating are potential drawbacks.

If you require a capacitor with a large capacitance value and low ESR for an application that can accommodate its size and weight and operates within the voltage range of 400V, then the Johnson 148-4EF capacitor is a good choice. However, if you have limited space or require a higher voltage rating, you may want to consider alternative capacitor options.

Details:

Buy the 148-4 and get 148-2 with it. New old stock.

part #: 1484 prices

• $15.00-$24.98

specifications vintacapacitor:

• brand: Johnson
• mpn: 148-4
• part type: Capacitor

general vintacapacitor:

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

seller vintacapacitor:

• # reviews: 3597
• rating: 99.9%
• city: Louisville, Kentucky

offer vintacapacitor:

• quantity: 1
• availability: In Stock
• started: March 15, 2025
• options: Ship-to-home
• sold: 0

payments vintacapacitor:

• other
• credit card: Discover
• wallet: Google-pay

returns vintacapacitor:

• policy: No Returns

shipping vintacapacitor:

• class: Standard
• transit: 4-9 Days
• service: USPS Ground Advantage
• carrier: USPS
• cost: $6.35
• type: Calculated

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