Genuine Icom 47pF High-Voltage Ceramic Capacitor for RF Circuit Repair
The Icom 4030017980 is a precision 47pF ceramic capacitor rated at 500V, designed for professional repair and maintenance of Icom radio equipment. This genuine OEM component from the ERF22X series features high voltage rating ideal for RF circuits, power amplifiers, and transmitter sections where reliability and voltage handling are critical.
Key Features
- Genuine Icom factory replacement part - guaranteed specifications and reliability
- Capacitance: 47pF for precise RF tuning and filtering applications
- High voltage rating: 500V DC for use in transmitter and PA circuits
- ERF22X series high-reliability ceramic capacitor construction
- CH (Class 1) temperature coefficient for excellent stability across operating temperatures
- Low loss tangent ideal for high-frequency RF applications
- Compact design suitable for dense circuit board layouts
Compatible Models
- Various Icom HF, VHF, and UHF transceiver models requiring high-voltage capacitors
- Commonly used in power amplifier stages and RF output circuits
- Consult your radio's service manual or schematic diagram for exact component location
What's Included
- One (1) Icom 47pF 500V ceramic capacitor
Application and Installation
Professional Installation Recommended: This high-voltage capacitor is typically used in RF power amplifier circuits, antenna tuning networks, and transmitter output stages where proper installation is critical for safe operation and optimal performance. Installation requires technical knowledge of RF circuits and proper soldering techniques. Technicians should use appropriate ESD protection and ensure proper lead forming to avoid mechanical stress on the component body.
The 47pF value makes this capacitor ideal for RF coupling, bypass filtering, and impedance matching in high-frequency circuits. The 500V rating ensures reliable operation in transmitter stages where high RF voltages are present. This component is essential for maintaining proper power output, harmonic suppression, and overall transmitter performance. Always verify the exact component value and voltage rating using your radio's service manual before replacement.
When installing, ensure proper lead length and spacing to maintain RF characteristics. Avoid excessive heat during soldering to prevent damage to the ceramic dielectric. Allow adequate clearance from other components and chassis ground to prevent voltage breakdown.
Technical Specifications
- Capacitance: 47pF
- Voltage Rating: 500V DC
- Series: ERF22X
- Dielectric Type: CH (Class 1 Ceramic - High Stability)
- Temperature Coefficient: Low, stable across operating range
Part Numbers
- Icom Part Number: 4030017980
- Component Specification: 47P ERF22X 500V CH
