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2643001601: 产品描述FERRITE CORE 30OHM SOLID 1.78MM; 产品类别电线/电缆; 文件大小1MB，共2页; 制造商Fair Rite

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2643001601概述

FERRITE CORE 30OHM SOLID 1.78MM

2643001601规格参数

参数名称	属性值
类型	圆形
设计	实心
不同频率时的阻抗	30 欧姆 @ 100MHz
材料	43
内部尺寸	0.070" 直径（1.78mm）
外部尺寸	0.140" 直径（3.56mm）
安装类型	自由悬挂
长度	0.122"（3.10mm）

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EMI Suppression Beads (2643001601)

Part Number: 2643001601

43 SHIELD BEAD

Explanation of Part Numbers:

– Digits 1 & 2 = Product Class

– Digits 3 & 4 = Material Grade

– Last digit 1= Not Burnished 2 = Burnished

– The last digit of the Parylene coated part is a “4,” which is available upon request. The minimum coating thickness beads is

0.005 mm (0.0002″).

Fair- Rite offers a broad selection of ferrite EMI suppression beads with guaranteed minimum impedance specifications.

Our “Shield Bead Kit” (part number 0199000019) contains a selection of these beads.

For any EMI suppression bead requirement not listed here, feel free to contact our customer service for availability and

pricing.

The C dimension, the bead length, can be modified to suit specific applications.

Weight: 0.09 (g)

Dim mm mm tol

3.55 ±0.15

1.65 +0.25

3.3

-0.40

nominal inch

0.14

0.07

0.122

inch misc.

Chart Legend

+ Test frequency

• The column "H (Oe)" gives for each bead the calculated dc bias field in oersted for 1 turn and 1 ampere direct current. The

actual dc H field in the application is this value of “H” times the actual NI (ampere- turn) product. For the effect of the dc bias

on the impedance of the bead material, see figures 18-23 in the application note How to choose Ferrite Components for EMI

Suppression.

Typical Impedance (Ω)

10 MHz

25 MHz

100 MHz

250 MHz

Electrical Properties

H(Oe)

1.6

Suppression beads are controlled for impedances only. Minimum impedance values are specified for the + marked frequencies.

The minimum impedance is typically the listed impedance less 20%.

Single turn impedance tests for 73 and 43 material beads are performed on the 4193A Vector Impedance Analyzer. The 61

material beads are tested on the 4291A RF Impedance Analyzer. Beads are tested with the shortest practical wire length.

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