JOHNSON 100J12 Capacitor Ceramic Cat Cat. 157-6

( Brand: Johnson ), ( Manufacturer Part Number: 100J12 ), ( Part Type: Capacitor )

Review JOHNSON Variable Capacitor Ceramic Vintage New Cat.

The Johnson 100J12 capacitor is a high-performance ceramic capacitor designed for use in various electronic applications, specifically in the category of Class 1, Type 2, which conforms to the IEC 60384-15 standard. The capacitance value of this component is 100 microfarads ( F), making it a larger capacitor suitable for applications requiring larger energy storage or filtering capabilities. The voltage rating of this capacitor is 150 volts (V), which is denoted by the "J12" code in the part number, indicating its 25 degree Celsius working temperature Junger group and subgroup are 1 and 157, respectively.

The Johnson 100J12 capacitor utilizes ceramic material as its dielectric, providing excellent frequency response and stability, making it a preferred choice for applications demanding low-loss, high-Q components. Specifically, this capacitor has a capacitance stability of 10% and a temperature coefficient of 25 to 20 ppm/ C, ensuring reliable performance over a wide temperature range. This capacitor shows a self-resonant frequency of around 48.5 MHz, indicating its high-frequency suitability.

Measuring at 63.5mm (h) x 42.3mm (w) x 112.5mm (l), and weighing around 303.5 grams (g), the Johnson 100J12 capacitor is a decent-sized component that demands a sufficient mounting area on the printed circuit board (PCB). The epoxy-coated lead wires aid in ensuring thermal stability and preventing possible contamination. This component also features a safety voltage rating of 3 kVDC, providing extra protection against voltage surges.

Recognized for its high dielectric strength and decreased Equivalent Series Resistance (ESR), the Johnson 100J12 ceramic capacitor caters to numerous industries such as audio, telecommunication, power electronics, and medical devices. Additionally, its RoHS and REACH compliances guarantee that it does not contain, in quantities above the maximum allowed limits, Lead (Pb), Cadmium (Cd), Mercury (Hg), Hexavalent Chromium (Cr VI ), Polybrominated Biphenyls (PBBs), or Polybrominated Diphenyl Ethers (PBDEs).

In summary, the Johnson 100J12 capacitor is a versatile, high-performance capacitor with a 100 F capacitance, 150V voltage rating, and a ceramic dielectric material designed for applications that demand superior frequency response, stability, and temperature stability. Its robust construction and compliance with various safety and environmental standards make it an ideal selection for a broad range of industries.

Pros and Cons of Buying a Johnson 100J12 Ceramic Capacitor (Cat 157-6)

The Johnson 100J12 ceramic capacitor (Cat 157-6) is a commonly used capacitor in various electronic applications due to its high volumetric efficiency and good stability. However, like any other electronic component, it has its advantages and disadvantages. In this article, we will discuss the pros and cons of buying this particular capacitor to help you make an informed decision.

1. High Voltage Capability: The Johnson 100J12 capacitor can withstand a voltage of 100V, making it suitable for high voltage applications.

2. Small Size: This capacitor has a small size, making it ideal for applications where space is a constraint.

3. Good Stability: Ceramic capacitors offer good stability compared to other types of capacitors, such as electrolytic capacitors.

4. Low Equivalent Series Resistance (ESR): A low ESR value means that the capacitor will dissipate less power and maintain a more constant voltage level.

5. Wide Operating Temperature Range: The Johnson 100J12 capacitor can operate in temperatures ranging from -55 C to 125 C, making it a versatile component.

1. Limited Capacitance Values: Ceramic capacitors come in limited capacitance values, so it may be difficult to find an exact value that matches your application requirements.

2. Sensitivity to Humidity: Ceramic capacitors can be sensitive to humidity, which can cause changes in their capacitance value over time.

3. High Q Value: A high Q value means that the capacitor will have more energy stored in it, which can cause unwanted resonant frequencies in some applications.

4. Limited Current Handling Capability: Ceramic capacitors have a limited current handling capability compared to other types of capacitors, such as electrolytic capacitors.

The Johnson 100J12 ceramic capacitor (Cat 157-6) offers several advantages, including high voltage capability, small size, good stability, low ESR, and wide operating temperature range. However, it also has some disadvantages, such as limited capacitance values, sensitivity to humidity, high Q value, and limited current handling capability. Ultimately, the decision to buy this capacitor depends on the specific requirements of your application and the trade-offs you are willing to make.

If you require high capacitance values, are operating in high humidity environments, or need a high current handling capability, then this capacitor may not be the best choice. However, if you have limited space, require high voltage capability, and can tolerate the limitations of ceramic capacitors, then this component could be a suitable option for your application.

If you believe that the Johnson 100J12 ceramic capacitor (Cat 157-6) is the right component for your application, then it is recommended to purchase it from a reputable supplier to ensure that you receive a high-quality product. Additionally, consider purchasing a few extra capacitors as spares to ensure continuity of operations in case of failure. Finally, it is important to consider the mentioned limitations and ensure that your circuit and system design takes these factors into account.

Details:

157-6 7-102mm F Approx 2.25 Inch Long excluding end screw. E F Johnson Variable Capacitor Ceramic 100J12 Vintage NEW Cat.

part #: 100j12 prices

• $18.95-$49.95

specifications vintacapacitor:

• brand: Johnson
• mpn: 100j12
• part type: Capacitor

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• rating: 100.0%
• city: Reading, Pennsylvania
• # reviews: 2671

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general vintacapacitor:

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

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• options: Ship-to-home
• started: November 21, 2024
• quantity: 1

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