20A Dual DC Power Supply EMI Filter | LC Noise Suppressor (+/- 50V)
Experiencing noise or interference in your vehicle's audio system or other sensitive electronics? This high-current 20A Dual DC Power Supply Filter from Abhir-online is designed to tackle the problem head-on. It effectively filters electromagnetic interference (EMI) and high-frequency noise from both the positive (+V) and negative (-V) DC power rails.
Utilizing a robust multi-stage LC low-pass filter circuit (two stages per rail), this module purifies the DC power supply, crucial for applications like car amplifiers operating in noisy automotive environments. It handles demanding loads up to 20 Amps and works with dual DC voltages up to +/- 50V.
Built on a durable double-sided FR4 PCB with optimized short paths for high-current handling and minimal external interference. Features high-quality components including 20A-rated Ferrosilicon magnetic ring inductors and reliable capacitors. Ideal for car audio systems, motorcycles, DC-DC converters, or any dual-supply DC circuit plagued by strong EMI. Get cleaner power and better performance with this essential filter from Abhir-online.
Features and Highlights:
- Filters both positive (+V) and negative (-V) DC power rails simultaneously.
- High current handling capacity: up to 20 Amps.
- Effective EMI and high-frequency noise suppression using multi-stage LC filters (2 stages per rail).
- Supports dual DC input voltage up to +/- 50V (components upgradeable for higher voltage).
- Uses high-current 20A Ferrosilicon magnetic ring inductors for superior performance.
- Durable double-sided FR4 PCB (86x43mm) with optimized high-current paths.
- Convenient 7.62mm pitch 3-pin screw terminal blocks for input and output (+V, GND, -V).
Benefits and Advantages:
- Provides clean, purified DC power for sensitive electronics like amplifiers.
- Reduces or eliminates noise interference caused by engines, alternators, or switching supplies.
- Improves audio quality in car sound systems by providing a cleaner power source.
- Enhances stability and performance of devices operating in high-EMI environments.
- Protects downstream equipment from power supply harmonics and noise.
- Robust design ensures reliability in demanding automotive applications, available from Abhir.
Applicable Applications and Practical Usage Scenarios:
- Filtering power for car audio amplifiers, processors, and head units.
- Cleaning power supplies in motorcycles, boats, or other vehicles.
- Use with DC-DC converters generating positive/negative rails.
- Filtering output from switching mode power supplies (SMPS) in noisy environments.
- Any application requiring clean dual DC power up to 20A in the presence of strong EMI.
Compatibility:
Ideal for automotive enthusiasts, car audio installers, electronics hobbyists, and professionals in Saudi Arabia and the GCC needing robust power filtering for dual DC power supplies.
Product Physical Specifications:
- PCB Material: FR4 Glass Fiber (Double-Sided)
- Dimensions (L x W x H approx.): 86mm x 43mm x 28mm (Height based on inductor size)
- Weight (approx.): 112 g (0.112 kg)
- Input/Output Connectors: 2 x 3-Pin 7.62mm Screw Terminals (+VDD, GND, -VSS)
General specifications and technical specifications:
- Filter Type: Dual DC LC Low-Pass EMI Filter
- Circuit Topology: Two-stage LC filter per rail (+V and -V lines)
- Input Voltage: Positive and Negative Dual DC, up to +/- 50V Max
- Maximum Continuous Current: 20A
- Key Components: 4x 50V 470uF Electrolytic Capacitors, 2x 100nF Film Capacitors, 2x 220pF Film Capacitors, 4x 20A Ferrosilicon Core Inductors.
Special instructions and safety precautions:
- Strictly observe correct polarity (+V, GND, -V) for both input and output connections. Incorrect wiring will damage the module and potentially connected devices.
- Do not exceed the maximum specified voltage (+/- 50V) or current (20A) ratings.
- Ensure adequate ventilation around the module, as components may become warm under continuous high load.
- Mount securely in a location protected from excessive moisture, vibration, and heat.
- Handle the PCB by its edges to prevent electrostatic discharge (ESD) damage to components.
Package contents:
1 x 20A Dual DC Power Supply EMI Filter Module
Keywords:
EMI filter, DC filter, noise suppressor, LC filter, dual power supply, positive negative power, car amplifier filter, 20A filter, power conditioner, automotive electronics, Abhir online, electromagnetic interference filter, car audio noise.
