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FMC-461NT 数据表(PDF) 1 Page - Crane Aerospace & Electronics. |
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FMC-461NT 数据表(HTML) 1 Page - Crane Aerospace & Electronics. |
1 / 8 page MODEL B3-13 DESCRIPTION The FMC-461™ EMI filter has been specifically designed to reduce the input line reflected ripple current of Interpoint’s MHF, MTR, MTO, MHV, MHF+, MHD, MTW, MHE, and MLP series of DC/DC converters. It is intended for use in applications which have high frequency switch-mode DC/DC converters and which must meet MIL-STD-461C levels of conducted and radiated noise. The FMC filter is built using thick-film hybrid technology and is hermetically sealed in metal packages for military, aerospace, and other high-reliability applications. The filter uses only ceramic capacitors for reliable high temperature operation. MIL-STD NOISE MANAGEMENT When used in conjunction with Interpoint converters, the FMC-461 filter reduces input ripple current by 40 dB within the frequency band of 200 kHz to 50 MHz. This gives the filter/converter combination a performance which exceeds the CEO3 test of MIL-STD-461C. Typical FMC-461 filter frequency response and output impedance behavior are shown in Figures 4 and 5. CEO3 performance of a typical converter with the FMC-461 filter connected is shown in Figure 3. TRANSIENT SUPPRESSION The FMC-461 filter also features a fast-reacting (1 pico second) transient suppressor which begins clamping the input voltage at approximately 47 VDC, protecting the DC/DC converter from damage from induced line transients. OPERATING TEMPERATURE The filter is rated to operate with no degradation of performance over the temperature range of -55°C to +125°C (as measured at the baseplate). Above +125°C, current must be derated as specified on the following page. INSERTION LOSS The maximum DC insertion loss for the FMC-461 filter (at a load of 22 watts) represents a power loss of less than 2% at typical input voltage. LAYOUT REQUIREMENT The case pin, and ideally the case, should be tied to the case of the converter through a low-inductance connection. EMI INPUT FILTER 28 VOLT INPUT FMC EMI FILTER 2.7 AMP FEATURES • –55°C to +125°C operation • Up to 50 dB attenuation 400 kHz to 50 MHz • Transient suppression • Compliant to MIL-STD-461C, CE03 • Compatible with MIL-STD-704E DC power bus Size (max): Non-flanged, case H1 2.125 x 1.125 x 0.400 (53.98 x 28.58 x 10.16 mm) Flanged, case K2 2.910 x 1.125 x 0.400 inches (73.91 x 28.58 x 10.16 mm) See Section B8, cases H1 and K2, for dimensions. Weight: 48 grams maximum Screening: Standard, ES, or 883 (Class H). See Section C2 for screening options, see Section A5 for ordering information. FMC-461 FMC-461NT 2.7 Amp 2.7 Amp |
类似零件编号 - FMC-461NT |
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类似说明 - FMC-461NT |
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