EMI SIGNAL FILTER FOR RF SHIELDING TELEPHONE SIGNAL 100VDC 1A TWO LINES 56KB
How do EMI filters work? Most electromagnetic noise is in a higher frequency range, so EMI filters are often low-pass filters that sift out high frequencies while letting lower frequencies pass through. Different EMI line filters suppress specific frequencies of noise, while allowing others to flow unimpeded. After the filtering process, electromagnetic noise gets diverted away from the device and to the ground. Some EMI filters may also route unwanted currents back to the noise source or absorb them.
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Shielding effective:
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10KHz≥60dB
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1MHz~20MHz≥100dB
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20MHz~18GHz≥100dB
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| 18GHz~40GHz≥80dB
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type
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Rated voltage
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Rated current
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wires
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Pass band
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application
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| SF-56KB |
200VDC |
1A |
2 |
4KHz |
telephone/fax/AC/DC switch signal
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| SF-V8 |
250VAC |
1A |
8 |
7KHz |
internet |
| SF-V2 |
100VDC |
1A |
2 |
6MHz |
fire alarm/Entrance guard/video
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| SF-K2 |
250VDC |
2A |
2 |
100KHz |
Air-condition/fire alarm/entrance guard/broadcast
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EMI filters Applications:
- Single-phase: Single-phase EMI filters are effective for smaller equipment, such as home appliances and electronics, as well as industrial applications, such as food service equipment, power supplies and telecommunications. Single-phase EMI filters can also be compatible with fitness equipment and motor controls.
- Three-phase: For more stringent EMI suppression, three-phase EMI filters can block higher levels of noise through a three-stage filtering system. Three-phase EMI filters are for use in high-power applications such as industrial machinery and motors, medical equipment, test equipment and industrial tools.
About US:
- Our technical team has more than 10 years’ experience in designing EMI filter. We know UL VDE CSA CE CQC etc safety standard very well.
- Our technical service team learn many kinds of test standard such as industrial application (IEC61800-3 for frequency inverter drive EN12015 for elevator EN55011 for ISM device etc) and military application (GJB151A GJB152A etc).We can solve EMI problem quickly effectively and low-costly.
- Our test equipment: LCR digital bridge/voltage proof tester/insulation resistance tester/spectrum analyzer/inductor tester/standard signal source/shield room/interference intensity tester etc
- Our product: EMI filter for general purpose/EMI filter for frequency inverter/EMI filter for shielding facility/EMI filter for military application
We Can Supply EMI Filter Like
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RF Feedthrough Capacitor
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