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BF1835

更新时间： 2024-11-21 22:05:31

品牌	Logo	应用领域
API		/
页数	文件大小	规格书
3页	8996K
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FERRITE CORE 172 OHM HINGED 9MM

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BF1835 数据手册

BF SERIES

Split Ferrite Suppressors for Round Cables

Actual Size

(BF2125)

Electronic cables and wires, by virtue of their length-to-width

ratios, are perfect natural antennas. In the presence of high

speed microprocessor signals, cables will conduct, radiate

and/or receive unwanted high frequency interfering signals.

Radio interference sources usually radiate their RFI power at

frequencies above 30 MHz by way of the main cabling, which

acts as an antenna. Control of radio interference can be

assured by proper placement of an insertion loss device, such

as a ferrite suppressor. Any device used to block an RFI signal

between its source and a receiver is an electromagnetic

interference (EMI) shield.The measure of this ability to

attenuate RFI is shielding effectiveness, "SE", which is

expressed in decibels, "dB", the ratio of ﬁeld strength on one

side of the shield to the other side.

POSITION OF SUPPRESSOR The suppressor should normally

be located close to the cable termination where it exits the

enclosure.Where a cable connects two enclosures containing RF

sources, a suppressor on each end may be required. For circuits

within an enclosure, a position close to the RF is best. However,

other locations along the circuit may work as well.

Material and U.L. Data API-1 Material, see characteristics and

information in the Technical Notes Section of our website,

www.delevan.com.

Continued on next page

Actual Size

(BF2125)

One of the most versatile and cost effective shielding methods

that can be used today is the API Delevan bisected ferrite cable

snap assembly.The bisected styling, or familiar clamshell

enclosure design offers the ultimate in adaptability.The RF

absorbing material interacts directly with unwanted high

frequency energy and dissipates it effectively while allowing

data signals to pass unimpeded.

Bisected ferrites have a concentrated, homogeneous magnetic

structure with high permeability.These are consistently stable at

+20°C to +60°C and provide RF suppression without eddy

current losses.

AIR GAP EFFECT

The air gap in bisected ferrites actually extends current carrying

capabilities with only an extremely small reduction in

impedance versus solid ferrites of the same size.The gap is

magnetically insigniﬁcant while it is electrically signiﬁcant as a

discontinuation, thereby accommodating more current.

270 Quaker Rd., East Aurora NY 14052 • Phone 716-652-3600 • Fax 716-652-4814 • E-mail: apisales@delevan com • www.delevan.com

1/2009

12 3

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与BF1835相关器件

型号	品牌	获取价格	描述	数据表
BF1835-9	API	获取价格	FERRITE CORE 174 OHM HINGED 9MM
BF184	NJSEMI	获取价格	Electrical characterlitics
BF185	NJSEMI	获取价格	Electrical characterlitics
BF185	ONSEMI	获取价格	TRANSISTOR TRANSISTOR,BJT,NPN,20V V(BR)CEO,30MA I(C),TO-72, BIP General Purpose Small Sign
BF185	CDIL	获取价格	Small Signal Bipolar Transistor, 0.03A I(C), 20V V(BR)CEO, 1-Element, NPN, Silicon, TO-72
BF18-6	3M	获取价格	COPPER ALLOY, TIN FINISH, FORK TERMINAL
BF18N	AMPHENOL	获取价格	Interconnection Device
BF18TC	ETC	获取价格
BF1905-10RFI	TTELEC	获取价格	Tubular Vitreous Enamelled Wirewound Resistors
BF1905-10RGI	TTELEC	获取价格	Tubular Vitreous Enamelled Wirewound Resistors

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