Datasheet> 器件分类 > 模拟混合信号IC> 过滤器> 2643000801

2643000801: 产品描述Ferrite Bead, 1 Function(s),; 产品类别模拟混合信号IC 过滤器; 文件大小1MB，共2页; 制造商Fair-Rite Products Corp; 标准

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2643000801概述

Ferrite Bead, 1 Function(s),

2643000801规格参数

参数名称	属性值
是否无铅	不含铅
是否Rohs认证	符合
Reach Compliance Code	compli
ECCN代码	EAR99
直径	7.5 mm
滤波器类型	FERRITE BEAD
JESD-609代码	e3
功能数量	1
输出阻抗	92 OHM Ω
物理尺寸	D7.5XL7.55 (mm)/D0.296XL0.297 (inch)
端子面层	Matte Tin (Sn) - with Nickel (Ni) barrie
Base Number Matches	1

文档解析

Fair-Rite Products Corp. 的 EMI 抑制珠 2643000801 是一款专为电磁干扰抑制设计的铁氧体组件，属于 43SHIELD BEAD 系列。该产品通过提供可靠的阻抗特性，帮助减少电子设备中的 EMI 问题，适用于各种高频应用场景。其设计符合 RoHS 标准，确保环保合规性，并可通过定制涂层选项满足特定需求。产品尺寸为 7.5mm（A 维度，公差 ±0.20mm）、2.25mm（B 维度，公差 +0.25mm）和 7.55mm（C 维度，公差 ±0.25mm），重量为 1g。电气性能包括在测试频率下的典型阻抗值：10MHz 时为 42Ω、25MHz 时为 63Ω、100MHz 时为 92Ω、250MHz 时为 109Ω，最小阻抗保证为典型值的 80%。直流偏置场 H(Oe) 为 1，基于 1 匝和 1A 直流电流计算，实际应用中需根据安匝数调整。该抑制珠适用于电源管理、数据通信和射频电路等领域，能有效抑制噪声和干扰。测试使用 4193A 矢量阻抗分析仪或 4291A RF 阻抗分析仪进行，确保性能一致性和可靠性。Fair-Rite 提供技术支持，可根据应用需求调整尺寸 C，以优化解决方案。

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EMI Suppression Beads (2643000801)

Part Number: 2643000801

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: 1 (g)

Dim mm

7.5

2.25

7.55

mm tol

±0.20

+0.25

±0.25

nominal inch

0.296

0.094

0.297

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

109

Electrical Properties

H(Oe)

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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