Genuine Motorola Low Distortion Surface Mount Ceramic Capacitor
The Motorola 2109720D14 is a precision surface mount ceramic chip capacitor rated at 0.1 microfarad (100 nanofarads) and specifically selected for low distortion performance in critical RF and audio applications. This multi-layer ceramic capacitor (MLCC) features a high-quality dielectric formulation that minimizes non-linear distortion, making it ideal for signal path applications where harmonic distortion must be kept to absolute minimum levels. The compact SMD package with silvered end terminations provides excellent high-frequency characteristics and low equivalent series resistance (ESR), ensuring optimal performance in coupling, decoupling, and bypass applications throughout radio frequency circuits.
Key Features
- Genuine Motorola OEM capacitor ensures exact specifications and performance characteristics
- Low distortion design minimizes harmonic generation in signal paths and audio circuits
- 0.1µF (100nF) capacitance value ideal for coupling, decoupling, and RF bypass applications
- Multi-layer ceramic construction provides stable capacitance across temperature ranges
- Surface mount package enables high-density PCB layouts and automated assembly
- Silvered end terminations ensure excellent solderability and reliable electrical connections
- High-frequency performance characteristics suitable for RF applications through VHF/UHF bands
Technical Specifications
- Component Type: Multi-Layer Ceramic Chip Capacitor (MLCC)
- Capacitance: 0.1µF (100nF / 100,000pF)
- Tolerance: Typically ±10% or ±20% (standard for general purpose ceramic capacitors)
- Dielectric Type: Low distortion ceramic formulation
- Package Size: Standard SMD chip (likely 1206 or 0805)
- Mounting: Surface mount technology
- Termination: Silvered end caps
- Temperature Coefficient: Stable across operating range
Applications
- RF coupling and decoupling in transmitter and receiver circuits
- Audio signal path coupling where low distortion is critical
- Power supply bypass and filtering
- Oscillator circuits requiring stable capacitance
- Impedance matching networks
What's Included
- One (1) Motorola 2109720D14 Ceramic Chip Capacitor 0.1µF
Application and Installation Notes
This low distortion ceramic capacitor serves critical functions in radio circuits where signal integrity must be preserved. In audio stages, the low distortion characteristic ensures that harmonic distortion introduced by non-linear capacitor behavior remains negligible, maintaining clean audio reproduction. In RF applications, the capacitor provides effective coupling between stages while its stable dielectric properties ensure consistent impedance across the operating frequency range. The 0.1µF value makes this capacitor particularly suitable for VHF/UHF coupling applications and as a local bypass capacitor for active devices.
Professional installation by qualified technicians with surface mount soldering experience is essential. This component requires specialized equipment including a temperature-controlled soldering station or hot air rework station, precision tweezers, appropriate solder paste or fine solder wire, and ideally magnification for inspection. Identify the original capacitor location on the PCB, noting its orientation (ceramic capacitors are non-polarized but proper positioning ensures clearance). Remove the old capacitor using proper desoldering technique - apply heat evenly to both terminals simultaneously to avoid thermal stress on the PCB.
Clean the PCB pads thoroughly after removing the old component, using flux and solder wick to ensure flat, clean surfaces free of residual solder. Apply a small amount of flux to the pads. Position the new capacitor carefully, ensuring both end terminations make contact with their respective pads. For hand soldering, use a fine tip at 350°C maximum temperature, touching each end briefly (2-3 seconds) to create a proper solder fillet. For reflow soldering, follow standard lead-free reflow profiles. The solder joints should be smooth, shiny, and form small fillets that extend slightly up the capacitor body.
After installation, inspect the solder joints under magnification to verify proper wetting, absence of cold solder joints, and no solder bridges between pads. Test the circuit functionality, checking for proper coupling or decoupling action depending on the capacitor's circuit location. In RF circuits, v