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EMI EMC Power Filter, 3-Stage AC Line Noise Filter with Common Mode and Differential Mode Suppression, High Current Filter for Audio Amplifier
- Product parameters of PT-0011:
- Name: EMI Power Filter for Three-Stage Audio Amplifier
- Input voltage: Single-phase alternating current 110 - 250V
- Output voltage: Single-phase AC 110 - 250V
- Rated load current: 4A - 20A
- Input port: Three-wire 7.62 socket input
- Output port: Two-wire 7.62 socket output
- Design Features:
- 1). First-level differential-mode filtering, two differential-mode inductors, for differential-mode filtering of the AC power supply, to suppress medium and high-frequency interference.
- 3) First-level common-mode filtering, through X2 capacitor and common-mode inductor, combined to form common-mode filtering:
- 4) Third-level common-mode filtering. Due to the use of two stages (also known as two sections) of filtering, the noise-cancelling effect is significantly improved. For certain users' sites that encounter rapid transient group pulse interferences with frequencies of several kilohertz, this can play a role in suppressing such disturbances.
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Main components selected:
X2 capacitor: German Siemens 0.22UF, 3 pieces
Y2 capacitor: 275V 3300PF 2PCS
Common-mode inductor: 47UH, 2 pieces
Common-mode inductor: 2 PCS
Resistor: 1 PIECE
Socket: 1 piece of 7.622-pin and 1 piece of 3-pin each.
The three-stage composite (1-stage differential mode + 2-stage common mode) EMI electromagnetic interference filter circuit, due to the use of three stages (also known as three sections) of filtering, achieves a better effect in eliminating noise.
For the problem of rapid transient group pulse interference with a repetition frequency of several kilohertz existing in some user sites, it can play a suppressive role.
This module can be used in conjunction with a decoder or a power amplifier. It can filter out the DC components of the power supply, eliminate and suppress the humming sound of the transformer, as well as the high-frequency noise in the power supply. It can purify the power supply and significantly improve the sound quality of the power amplifier, enhance the resolution and make the background quiet.
The input GND needs to be connected to the ground wire of the power supply line. Additionally, it can also be connected to the case of the machine depending on the specific situation.
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Return Policies
- Return for refund within: 30 days
- Return for replacement within: non-replaceable
- This item is covered by CoreDepot Return Policy
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