| Image | Part Number | Description / PDF | Quantity | Rfq |
|---|---|---|---|---|
 |
TE Connectivity Corcom Filters |
KEV 40A 2S SP WYE 440 VAC |
6 |
|
|
TE Connectivity Corcom Filters |
KEV 150A 2S SP WYE BS 440 VAC |
2 |
|
|
TE Connectivity Corcom Filters |
KEB 100A 1S SP DELTA 520VAC 50HZ |
2 |
|
|
TE Connectivity Corcom Filters |
KEH 10A 2S SP DELTA 440 VAC |
0 |
|
|
TE Connectivity Corcom Filters |
KEH 100A 2S SP DELTA BS 520 VAC |
0 |
|
|
TE Connectivity Corcom Filters |
KEM 250A 1S HIGH PER NUT DELTA 4 |
2 |
|
|
TE Connectivity Corcom Filters |
KEP 16A 1S HIGH PLUS SP BS WYE 4 |
15 |
|
|
TE Connectivity Corcom Filters |
KEV 250A 2S SP WYE 440 VAC |
2 |
|
|
TE Connectivity Corcom Filters |
KEB 25A 1S NUT DELTA 520VAC 50HZ |
25 |
|
|
TE Connectivity Corcom Filters |
KEB 75A 1S SP DELTA 440VAC 50HZ |
0 |
|
|
TE Connectivity Corcom Filters |
KES 80A 1S SP WYE 520VAC 50HZ |
2 |
|
|
TE Connectivity Corcom Filters |
KES 100A 1S SP WYE 520VAC 50HZ |
2 |
|
|
TE Connectivity Corcom Filters |
LINE FILTER 250VAC 6A CHASS MNT |
9 |
|
|
TE Connectivity Corcom Filters |
LINE FILTER 30A CHASSIS MOUNT |
6 |
|
|
TE Connectivity Corcom Filters |
KEM 36A 1S HIGH PER SP DELTA 520 |
4 |
|
|
TE Connectivity Corcom Filters |
20A FBL VERSION |
5 |
|
|
TE Connectivity Corcom Filters |
KES 60A 1S NUT WYE 520VAC 50HZ |
0 |
|
|
TE Connectivity Corcom Filters |
KEM 50A 1S HIGH PER SP DELTA 440 |
4 |
|
|
TE Connectivity Corcom Filters |
LINE FILTER 150A CHASSIS MOUNT |
0 |
|
|
TE Connectivity Corcom Filters |
KES 75A 1S NUT WYE 520VAC 50HZ |
0 |
|
Power Line Filter Modules (PLFMs) are electromagnetic interference (EMI) suppression devices designed to mitigate conducted noise in electrical systems. They ensure compliance with electromagnetic compatibility (EMC) standards by attenuating high-frequency noise while allowing desired power frequencies to pass. Their importance grows with increasing electrification and connectivity in modern applications like renewable energy systems, industrial automation, and medical electronics.
| Type | Function Features | Application Examples |
|---|---|---|
| Differential Mode Filter | Suppresses asymmetric noise between live/neutral conductors | Motor drives, variable frequency drives |
| Common Mode Filter | Attenuates symmetric noise between conductors and ground | Medical imaging equipment, data centers |
| Combined Filter | Integrates differential and common mode suppression | Industrial control cabinets, test equipment |
| High-Frequency Filter | Targets noise above 1MHz with specialized components | Wireless base stations, satellite communication |
Typical PLFM construction includes: - Die-cast aluminum housing for EMI shielding - X/Y capacitors (ceramic or film type) for differential/common mode filtering - Toroidal or multi-hole inductors for noise suppression - Integrated thermal fuses and discharge resistors - IEC standard connectors (e.g., C13/C14) or terminal blocks - Epoxy sealing for environmental protection
| Parameter | Description | Importance |
|---|---|---|
| Frequency Range | Typically 150kHz-100MHz | Determines noise bandwidth attenuation |
| Voltage Rating | 100-600VAC/DC | Defines operational safety margin |
| Insertion Loss | 10-100dB at target frequencies | Quantifies noise reduction capability |
| Current Capacity | 0.5-100A | Affects power delivery capability |
| Temperature Range | -40 C to +125 C | Ensures environmental reliability |
Key industries and equipment: - Industrial Automation: PLC control cabinets, CNC machines - Medical: MRI scanners, patient monitoring systems - Communication: 5G base stations, network servers - Renewable Energy: Solar inverters, wind turbine controllers - Aerospace: Avionics power systems, satellite payloads - Consumer Electronics: EV charging stations, smart home systems
| Manufacturer | Product Series | Key Features |
|---|---|---|
| Schaffner | FN 2080 | 80A rating, 3-phase filter for industrial drives |
| TDK-Lambda | DFM1K | 1kW power line filter with medical safety certification |
| MTE Corporation | Pro-Net | Modular filter for industrial Ethernet applications |
| API Technologies | PLF-300 | Military-grade filter for aerospace systems |
Key considerations: - Match voltage/current ratings with system requirements - Verify insertion loss curves at specific noise frequencies - Consider physical dimensions and cooling requirements - Ensure compliance with relevant standards (e.g., IEC 60939) - Evaluate environmental conditions (temperature, humidity, vibration) - Assess certification needs (CE, UL, MIL-STD)
Market developments include: - Increasing demand for high-frequency filters (>10MHz) due to 5G/6G adoption - Miniaturization for EV and portable medical device applications - Integration with smart monitoring capabilities (IoT-enabled filters) - Growth in wide bandgap semiconductor compatible filters (SiC/GaN) - Stricter EMC regulations driving customized filter solutions - Market CAGR projected at 6.8% (2023-2030) according to industry reports