Datasheet > SFMC28-461/HH

SFMC28-461/HH

更新时间： 2024-11-25 07:03:51

品牌	Logo	应用领域
CRANE		LTE
页数	文件大小	规格书
11页	442K
描述
SFMC28-461 EMI Input Filters

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技术参数
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SFMC28-461/HH 技术参数

生命周期：	Contact Manufacturer	Reach Compliance Code：	compliant
ECCN代码：	EAR99	HTS代码：	8504.50.80.00
风险等级：	5.78	Is Samacsys：	N
电容：	48000 µF	最大直流电阻：	0.2 Ω
滤波器类型：	DATA LINE FILTER	高度：	10.16 mm
最小绝缘电阻：	100 M Ω	JESD-609代码：	e4
长度：	53.01 mm	安装类型：	THROUGH HOLE MOUNT
功能数量：	1	最高工作温度：	125 °C
最低工作温度：	-55 °C	物理尺寸：	L53.01XB28.19XH10.16 (mm)/L2.087XB1.11XH0.4 (inch)
额定电流：	2.7 A	额定电压：	50 V
端子面层：	GOLD	宽度：	28.19 mm
Base Number Matches：	1

SFMC28-461/HH 数据手册

Crane Aerospace & Electronics Power Solutions

sFMc28-461 eMi iꢀꢁuꢂ Fꢃlꢂꢄꢅꢆ

28 Voꢇt inpꢈt – 2.7 AMp

Features

•

Fully qualified to Class H or K

Passive components used for maximum tolerance

in space environments

•

-55°C to +125°C operation

Nominal 28 V input, 0 V to 50 V operation

Up to 2.7 A throughput current

60 dB attenuation typical at 500KHz

Compliant to MIL-STD-461C CE-03

Compatible with MIL-STD-704 A-E 28 VDC power bus

Input Voltage

and Current

Input (V)

Current (A)

2.7

Description

Derating according to the requirements of MIL-STD-975 assures

dependable performance in the harsh environments of space.

Compliance to MIL-STD-975 derating is achieved at or below

case operating temperatures of 90°C.

The SFMC28-461™ EMI filters provide an off-the-shelf filtering

solution compliant to MIL-PRF-38534, Class H or Class K,

for use in your space system. SFMC28-461 filters reduce

the input line reflected ripple current of our switching DC/DC

converters. Use an SFMC28-461 filter with our SMTR, SMHF

and SMSA series of DC/DC converters to meet MIL-STD-461C

levels of conducted emission (CE01, CE03). The SFMC filters

are designed exclusively with passive components providing

maximum tolerance for space environments.

All SFMC28-461 filters are built to the same assembly drawing

regardless of environmental screening or radiation tolerance

level. Filters designated level OO, indicating standard environ-

mental screening, are electrically comparable to filters designated

level KH, the highest environmental screening level. This ensures

consistency between your prototype or test system using level

OO filters and your flight system using filters with higher levels of

environmental screening and radiation tolerance. Element evalu-

ation (screening at the component level) of Class H or Class K

filters ensures even greater reliability. Refer to Table 1, 2, and 3

for more information.

Screening

The SFMC28-461 EMI filters offer environmental screening

levels to Space Prototype (O), Class H, or Class K requirements.

Radiation tolerant to Radiation Hardness Assurance (RHA) levels

of “-” (O) or “H”, per MIL-STD-38534. Interpoint model numbers

use an “O” in the RHA designator position to indicate the “-”

(dash) Radiation Hardness Assurance level of MIL-PRF-38534,

which is defined as “no RHA”. See “Class H and K,

MIL-PRF-38534 Screening” tables for more information.

operating temperature

The filter operates at full load over the temperature range of

-55°C to +125°C case. Above +125°C, the current must be

derated as specified on page two.

ripple reduction

The SFMC28-461 EMI filter, when used with Interpoint’s

converters, reduces reflected input ripple current by a minimum

of 55 dB at 500 kHz and 60 dB at 1 MHz. The filter and converter

combination performance exceeds the CEO3 requirements of

MIL-STD-461C.

packaging For Space

SFMC28-461 EMI filters are encased in high-reliability, hermeti-

cally-sealed metal packages and weigh just 48 grams. A small

footprint of 2.110 Inches (53.59 mm) by 1.115 inches (28.32 mm)

by 0.400 inches (10.16 mm) minimizes the board area needed for

the filter. Cover marking inks are NASA approved to Total Mass

Loss (TML) and Collected Volatile Condensable Material (CVCM)

outgassing requirements for operation in space environments.

inSertion loSS

The maximum DC insertion loss for the SFMC28-461 filter (at a

load of 22 watts) represents a power loss of less than 2%.

Filter deSign

SFMC28-461 filters incorporate thick-film hybrid technology and

use only high quality ceramic capacitors for reliable high temper-

ature operation.

Crane Aerospace & Electronics

Electronics Group (Interpoint Brand)

PO Box 97005 • Redmond WA 98073-9705

Page 1 of 11

Rev D - 20070404

425.882.3100

• electronics@craneae.com

www.craneae.com

12 3 4 5 6 7...11

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与SFMC28-461/HH相关器件

型号	品牌	获取价格	描述	数据表
SFMC28-461/KH	CRANE	获取价格	SFMC28-461 EMI Input Filters
SFMC28-461F	CRANE	获取价格	Operating temperature -55° to +125°C Qualifie
SFMC28-461F/HH	CRANE	获取价格	SFMC28-461 EMI Input Filters
SFMC28-461F/HH	CRANE	获取价格	Passive Filter
SFMC28-461F/KH	CRANE	获取价格	Passive Filter
SFMC28-461F/OO	CRANE	获取价格	Passive Filter,
SFMC-461F/HH	CRANE	获取价格	1 FUNCTIONS, 28V, 2.7A, DATA LINE FILTER
SFMC-461F/KH	CRANE	获取价格	1 FUNCTIONS, 40V, 2.7A, DATA LINE FILTER
SFMC-SM	SAMTEC	获取价格	Board Connector, 40 Contact(s), 2 Row(s), Female, Straight, Surface Mount Terminal, Socket
SFMC-TH	SAMTEC	获取价格	Board Connector, 12 Contact(s), 2 Row(s), Female, Straight, Solder Terminal, Socket,

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