Datasheet> 器件分类 > 模拟混合信号IC> 过滤器> 2643021801

2643021801: 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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2643021801概述

Ferrite Bead, 1 Function(s),

2643021801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
厂商名称	Fair-Rite Products Corp
Reach Compliance Code	compli
ECCN代码	EAR99
直径	5.1 mm
滤波器类型	FERRITE BEAD
JESD-609代码	e3
功能数量	1
输出阻抗	131 OHM Ω
物理尺寸	D5.1XL11.1 (mm)/D0.2XL0.437 (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 Suppression Beads 型号 2643021801 是一种铁氧体电磁干扰抑制磁珠，专为电子电路中的噪声抑制设计。该产品采用 43SHIELD BEAD 材料，符合 RoHS 标准，提供可靠的 EMI 过滤性能。其结构紧凑，适用于高频应用，确保信号完整性。技术规格包括尺寸 A=5.1mm（公差 ±0.25mm）、B=1.45mm（公差 +0.25mm）、C=11.1mm（公差 ±0.35mm），重量为 0.67g。阻抗特性在测试频率下定义：10MHz 时典型阻抗 62Ω，25MHz 时 96Ω，100MHz 时 131Ω，250MHz 时 151Ω，最小阻抗通常为列出的 80%。直流偏置场 H(Oe) 参数为 1.5，用于计算实际应用中的直流影响。该磁珠适用于通信设备、消费电子和工业控制系统，尺寸 C 可定制以适应不同布局。测试使用 4193A 或 4291A 阻抗分析仪进行，确保性能一致性。用户可联系客户服务获取定制选项，如 Parylene 涂层或 Shield Bead Kit。

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EMI Suppression Beads (2643021801)

Part Number: 2643021801

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: 0.67 (g)

Dim mm mm tol

5.1

±0.25

1.45 +0.25

11.1 ±0.35

nominal inch

0.2

0.062

0.437

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

131

250 MHz

151

Electrical Properties

H(Oe)

1.5

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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