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Printed EMI Filter/ Accessories HD38999 Series III TV Series II JT Series I LJT SJT Options Circuit Board Transient App Tools High Density EMI/EMP Filter Protection Connectors Amphenol For protection of sensitive circuits Aerospace Amphenol EMI/EMP Protection Connectors offer the versa tility This catalog focuses on the cylindrical connector offerings of standard connectors with EMI/EMP protection for sensitive from Amphenol with EMI/EMP filter transient protection. circuits. Internal housing of the EMI/EMP devices eliminates There are also many rectangular filter connectors that are costly and bulky exterior discrete protection devices. offered by Amphenol which include: MIL-DTL-24308 D-Sub Virtually all major MIL-Spec circulars can be MIL-DTL-83513 Micro D incorporated with filter devices: ARINC 404/600 MIL-DTL-38999 MIL-DTL-5015 DOD-83527 Rack and Panel MIL-DTL-26482 MIL-DTL-27599 MIL-DTL-83733 Rack and Panel MIL-DTL-83723 MIL-DTL-26500 Rectangular filter interconnects are manufactured and supplied by Amphenol Canada. Amphenol offers filter connectors that include: EMP protection using diodes EMP protection utilizing metal oxide varistors (MOVs) Advantages of Filter Connectors: Filtered plug connectors Reduction in overall weight and space with the Filtered hermetic connectors elimina tion of external filter circuits Filter connectors with ESD protection Reduction of solder junctions EMI & EMP Protected Connectors Increase in reliability due to fewer connections Combinations of filtering devices within one Fragile filter elements protected from handling and connector package environmental damage Pre-testing from factory and ready for installation FTV Filter AN FLJT Connector Subminiature Tri-Start, Subminiature LJT, MIL-DTL-38999 Series MIL-DTL-38999 MIL-DTL-5015 III, Metal or Composite Series I with Filter Type Connectors shells with Filter Protection. with Filter Protection. Protection. See Catalog 12-120 FJT FCTV with Stand-off FPT Flange Subminiature JT, Miniature MIL-DTL-38999 MIL-DTL-26482 Filtered Tri-Start Series II with Filter Series I with Filter connectors with Protection. composite shells for Protection. attachment to printed See Catalog circuit boards. 12-120 Filter Contacts Combined with MOV Connectors Header Assemblies High Speed Contacts MOVs act as a variable resistor Allow for easy separation and easy to efficiently dissipate energy. termination of connectors when Filter Connectors can incorporate high attaching to flex MOV can be frequency coax, twinax, or printed circuit pack aged singularly triax, quadrax and boards. Allow for or in combinations differential twinax electrical testing with other EMI contacts. that would adversely affect sensitive diodes, MOVs or filter capacitors. 125 Contact Amphenol Aerospace for more information 800-678-0141 www.amphenol-aerospace.com SJTEMI Capabilities Amphenol for maximum design flexibility Aerospace The Amphenol EMI filter connector utilizes two manufacturing For planar designs other filter networks are available, ie. technologies to provide the user with the most cost effective T Type, L-C Type, C-L Type and C Type. An encapsulant of performance across the frequency range. (For EMP perfor- oven-cured epoxy in the rear provides: mance data, see pages 172-175). Mechanical and thermal insulation of the ceramic The tubular design offers over 40 years of proven field elements mechanical loading can be accomplished reliability. All filter contacts within the connector share a without capacitor damage. Pins can be bent 90 and common ground plane, which is connected to the connector straightened with no damage to the filter. -3 shell. The pin to pin isolation is 85 dB minimum at 100 MHz. Hermeticity (4.6 x 10 cc/sec) prevents water from The planar design joins pins to a multi-layered ceramic forming entering through the rear of the connector in high an array sub-assembly, with a peripheral ground which is humidity envi ronments. Amphenol recommends using connected to the connector shell via a ground spring. Pin to metal protection caps during cleaning operations. pin capacitance is less than 50 pf with a pin to pin isolation of 85 dB minimum at 100 MHz. Filter contacts for both designs contain either a pi passive ele ment network comprised of a ferrite inductor and ceramic capacitor, or a single capacitor. TUBULAR ASSEMBLY PLANAR ASSEMBLY Gasket Gasket Grounding Ground Plate Shell Ring Oven Cured Epoxy Potting Seal Shell Filter Contact Contact and Assembly Planar Assembly Interfacial Seal Ferrite Interfacial Hard Faced Oven Cured Hard Faced Seal Insert Epoxy Insert Pi Type Tubular Contact Assembly Pi Type Planar Array Assembly Internal Margin Ground Electrode Solder Washer Ferrite Inductor External Margin or Spring Ferrite Inductor Ground Clip Electrode Solder Joint Solder Joint Hot Ceramic Capacitor External Margin Electrode Hot Electrodes Grounding Ring 126 Contact Amphenol Aerospace for more information 800-678-0141 www.amphenol-aerospace.com HD38999 Accessories EMI Filter/ Printed SJT Options Series III TV SJT Series I LJT Series II JT High Density App Tools Transient Circuit Board