Datasheet > FMH-461

FMH-461

更新时间： 2024-02-08 00:59:49

品牌	Logo	应用领域
CRANE		输入元件 LTE
页数	文件大小	规格书
9页	311K
描述
EMI INPUT FILTER 28 VOLT INPUT

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中文翻译

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技术参数
数据手册

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FMH-461 技术参数

生命周期：	Transferred	Reach Compliance Code：	unknown
风险等级：	5.57	Base Number Matches：	1

FMH-461 数据手册

FEATURES

FMH EMI FILTER

1.5 AMP

EMI INPUT

28 VOLT

ILTER

NPUT

• –55°C to +125°C operation

• 50 dB minimum attenuation

at 500 kHz

• Compliant to MIL-STD-461C, CE03

• Compatible with MIL-STD-704E

DC power bus

MODEL

FMH-461

1.5 amp

Size (max.): Non-flanged, case E3

1.460 x 1.130 x 0.330 (37.08 x 28.70 x 8.38 mm)

Flanged, case G3

2.005 x 1.130 x 0.330 inches (50.93 x 28.70 x 8.38 mm)

See Section B8, cases E3 and G3, for dimensions.

22 grams typical, 28 grams maximum

Weight:

Screening: Standard, ES, or 883 (Class H). See Section C2 for screening

options, see Section A5 for ordering information.

DESCRIPTION

Interpoint specifically designed the FMH-461™ EMI filter to reduce

the input line reflected ripple current of the following high frequency

DC/DC converters: MHD, MHF, MHF+, MHV, MSA , and MTR

series converters. It will also reduce EMI for several of Interpoint’s

lower frequency converters: MHE/MLP, MHL, MTO, and MTW

series. The FMH-461 filter is ideal for use in applications which must

meet MIL-STD-461C levels of conducted and radiated emissions.

Throughput current is 1.5 amps. At 16 VDC input (low line), the filter

provides 24 watts of throughput power.

FILTER OPERATION

FMH-461 filters are rated for full power operation from –55°C to

+125°C baseplate temperature. Operation is offered up to the

absolute maximum of +135°C with derating as defined in

“Recommended Operating Conditions” on the following page. The

maximum DC insertion loss at full load and nominal input voltage

(28 VDC) represents a power loss of less than 2%.

LAYOUT REQUIREMENTS

The case of the filter must be connected to the case of the converter

through a low impedance connection to minimize EMI.

MIL-STD NOISE MANAGEMENT

When used in conjunction with Interpoint converters, the FMH-461

EMI filter reduces input ripple current by 35 dB or greater at 200 kHz

and by at least 50 dB at 500 kHz (see Figures 5 and 6 and electrical

characteristics table). This attenuation gives the converter/filter

combination performance which exceeds MIL-STD-461C’s CE03

test.

1. MSA models may require an inductor in series with the MSA’s positive input.

2 µH is the suggested value.

B3-17

12 3 4 5 6 7...9

中文翻译

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