Introduction of DC positive and negative dual power supply filter circuit: The circuit consists of two parts. The first part is a one-stage LC filter circuit. The second part is a two-stage LC filter circuit.
LC filter is generally called passive filter. It is a traditional DC power harmonic compensation device composed of inductors and capacitors. It can filter out harmonics in the power supply one or more times. Purify the DC power supply
The PCB specification is FR4 glass fiber double-sided 43x86x1.6mm. The high-current circuit is shortest designed. The path is short. It can withstand higher current. It has less interference to the outside world.
Specifications:
Inductance: 20A
Input: positive and negative dual power supply DC does not exceed 50V (higher voltage can replace the electrolytic capacitor to improve)
Output: Positive and negative dual power output
Current: 20A
Electrolytic capacitor: 50V 470UF dosage 4 PCS
Film Capacitor: 100NF 2PCS 220 PF 2PCS
Magnetic ring inductance: The dosage is 4PCS, (20A high current selects iron, silicon and aluminum),
Socket: 7.62 socket 3PIN each 2PCS
This module is suitable for eliminating the use of positive and negative dual power supply DC with electromagnetic interference. It can be used in automobiles, motorcycles, vehicle-mounted single DC to positive and negative power supplies, switching power supplies, and other DC circuits with strong electromagnetic interference.
Data sheet
- Level of protection
- IP20
- Material
- ABS Plastik
- Voltage
- 230VAC
- Size
- 43x86x40mm
- Working temperature
- –20...+45°C
- Current
- 20A
- Output voltage
- 0-50VDC
- Certification
- CE, RoHS
- Warranty
- 1 years
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