Browse our EMC Filters, EMI Filters & Accessories
AC Filters
Pick from all our AC EMC filter & AC EMI filter ranges listed below to get more information about each range.
Pick a product below for more information about that range:
- 0.5 to 1000A, 250 to 500VAC EMI Filters
TDK-Lambda Filters
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FQA and FQB
The FQA filter modules reduce differential and common mode conducted emissions from dc-dc switching converters. The series takes advantage of TDK technologies to simplify system level compliance to MILSTD-461.
The FQB filter modules reduce conducted emissions from dc-dc switching converters, and in addition, contains active suppression circuitry to block input voltage surges and transients. The FQB series simplifies system level compliance to MIL-STD-461, MIL-STD-1275, RTCA/DO-160 and MIL-STD-704 per MIL-HDBK-704-8.
The encapsulated rugged package design and a choice of baseplate options make the FQA and FQB modules suitable for use in a wide variety of harsh and demanding environments, including MIL-COTS.
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DRM40
The DRM40 series of 20 to 40A DIN rail mount redundancy modules can be used in N+1 redundancy applications or to parallel two power supplies for additional power. The DRM40 has a current balancing LED indicator which is illuminated when both power supplies have been adjusted to deliver the same current. Two isolated alarm signals indicate the output voltage status of each power supply. Internally the DRM40 has a low 200mV voltage drop.
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R Series
This extensive series covers a wide range of industrial and medical applications, including models utilising amorphous core technology that protect against damaging high voltage pulses. With current ratings of 0.5A to 1,000A, the series is available with 250V single phase or 500V three-phase inputs. DIN rail (up to 30A) or chassis mounting case styles are offered, along with a choice of standard or medical leakage versions.
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R Series
This extensive series covers a wide range of industrial and medical applications, including models utilising amorphous core technology that protect against damaging high voltage pulses. With current ratings of 0.5A to 1,000A, the series is available with 250V single phase or 500V three-phase inputs. DIN rail (up to 30A) or chassis mounting case styles are offered, along with a choice of standard or medical leakage versions.
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iDQ
Rated at 10A with a maximum voltage of 75V, this board mounted EMC filter offers exceptional differential mode performance, making it ideal for use with DC-DC converters and thus saving on printed circuit board area. Utilising TDK component technology, system level compliance to FCC and CISPR is made easier. Extra capacitance to ground can be added to further enhance common mode performance.