2A473J 47nF 100V Mylar Polyester Film Capacitor

2A473J 47nF 100V Mylar Polyester Film Capacitor is a highly reliable and versatile component specifically designed for general purpose electronic circuits where stability and cost efficiency are critical. This polyester film capacitor, identified by the industry code 2A473J, utilizes Polyethylene Terephthalate (PET) film as its dielectric. Consequently, it offers excellent moisture resistance and long-term performance stability, outperforming many ceramic alternatives in timing and coupling roles. With a nominal capacitance of 47nF and a robust 100V rating, designers frequently select this component for filtering, bypassing, and decoupling in audio, power, and digital systems. Therefore, integrate this dependable component to ensure signal integrity and reliable operation in your next electronic project.

Key Features:

• Polyester Film Dielectric: The Polyethylene Terephthalate (PET) film provides stable capacitance over a wide temperature range and superior long-term reliability.
• High Voltage Rating: Rated for 100 V DC, this capacitor offers a significant safety margin for circuits operating at common low-voltage rails like 5V, 12V, and 24V.
• Non-Polarized Construction: Designers can easily use this non-polarized capacitor in both AC signal paths and DC circuits without concern for orientation.
• Tight Tolerance: The ‘J’ suffix denotes a ±5% tolerance, ensuring predictable and precise performance for sensitive timing and filtering applications.
• Radial Leads: The through-hole radial construction simplifies mounting on Printed Circuit Boards (PCBs) and provides mechanical stability.

Technical Specifications:

• Nominal Capacitance: 47 nF (0.047 μF)
• Capacitance Code: 473 (47 x 10³ pF)
• Rated DC Voltage (V_R): 100 V (Code 2A)
• Tolerance: ±5% (Code J)
• Dielectric Material: Polyethylene Terephthalate (PET) Film (Mylar)
• Dissipation Factor (tan δ): ≤ 1.0% at 1 kHz
• Insulation Resistance: ≥ 15,000 MΩ at 100V, 25°C
• Operating Temperature Range: −40°C to +85°C

Mechanical Specifications:

• Package Type: Radial Lead, Box Type
• Lead Material: Tinned Copper Wire
• Encapsulation: Flame-retardant epoxy resin coating
• Durability: Highly resistant to environmental factors including humidity and temperature variation.

Dimensions:

• Body Length (L): Varies by manufacturer (Typically ≈ 7.2 mm to 10.0 mm)
• Body Height (H): Varies by manufacturer (Typically ≈ 6.5 mm to 8.5 mm)
• Body Thickness (T): Varies by manufacturer (Typically ≈ 2.5 mm to 4.0 mm)
• Lead Spacing (Pitch): ≈ 5.0 mm (Common industry standard)

Pinout and Wiring:

• Orientation: Since this is a non-polarized capacitor, you can install it in either direction within a circuit.
• Lead Usage: Both leads serve as the terminal connections; one connects to the higher potential and the other to the lower potential or ground, however, the function remains the same.
• Installation Note: Always ensure the capacitor body sits flat against the PCB surface for stability and trim the leads appropriately after soldering for a clean finish.

Datasheet Reference:

• Download 2A473J Mylar Polyester Film Capacitor Datasheet

Commonly Used in:

• Audio Amplifiers: Used in coupling stages and tone control networks for clear signal transfer.
• Power Supplies: Essential for input/output filtering and bypass applications to suppress ripple and noise.
• Timing Circuits: Provides stable capacitance values for 555 timers and RC oscillator networks.

Applications:

• Signal Coupling and Decoupling: Blocks DC while allowing AC signals or transient noise to pass to ground, effectively cleaning power rails.
• Resonance Circuits: Contributes the capacitive element in high-Q filter circuits.
• Snubber Circuits: Furthermore, the component handles medium frequency AC filtering for motors and relay contacts.

Equivalent Models:

• CDE 225P Series: A comparable film capacitor series offering the same capacitance and voltage rating.
• Vishay MKT 1817 Series: A widely recognized alternative Polyester Film capacitor with equivalent specifications.
• WIMA MKS 2 Series: This popular series offers 47nF 100V Mylar capacitors, functioning as a direct functional replacement.

Package Includes:

• 1 x 2A473J 47nF 100V Mylar Polyester Film Capacitor