5978014001: 产品描述78 TOROID; 产品类别无源元件; 文件大小1MB，共2页; 制造商Fair Rite

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5978014001概述

78 TOROID

5978014001规格参数

参数名称	属性值
内核类型	磁环
容差	±25%
间隙	无缺口
初始磁导率（µi）	2300
材料	78
有效长度（e） mm	274
有效面积（Ae）mm²	324
有效磁体体积（Ve） mm³	88700
表面	无涂层

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Toroids (5978014001)

Part Number: 5978014001

78 TOROID

Explanation of Part Numbers:

– Digits 1 & 2 = Product Class

– Digits 3 & 4 = Material Grade

– 9th digit 1 = Parylene Coating, 2 = Thermo- Set Plastic Coating

A ring configuration provides the ultimate utilization of the intrinsic ferrite material properties. Toroidal cores are used in

a wide variety of applications such as power input filters, ground- fault interrupters, common- mode filters and in pulse

and broadband transformers.

All toroidal cores are supplied burnished to break sharp edges.

Coating Options:

– Toroids with an outside diameter of 9.5 mm (0.375″) or smaller can be supplied Parylene C coated. The Parylene coating

will increase the “A” and “C” dimensions and decrease the “B” dimension a maximum of 0.038 mm (0.0015″). The ninth digit of

a Parylene coated toroid part number is a “1”. See reference tables for the material characteristics of Parylene C. Parylene C

coating is RoHS compliant.

– Toroids with an outside diameter of 9.5 mm (0.375″) or larger can be supplied with a uniform coating of thermo- set plastic

coating. This coating will increase the “A” and “C” dimensions and decrease the “B” dimension a maximum of 0.5 mm (0.020″).

The 9th digit of the thermo- set plastic coated toroid part number is a “2”. Thermo- set plastic coating is RoHS compliant.

– Thermo- set plastic coated parts can withstand a minimum breakdown voltage of 1000 Vrms, uniformly applied across the

“C” dimension of the toroid.

For any toroidal core requirement not listed in the catalog, please contact our customer service department for

availability and pricing.

The C dimension may be modified to suit specific applications.

Weight: 425 (g)

Dim mm

101.6

75.2

24.75

mm tol

±2.10

±1.50

±0.55

nominal inch

2.961

0.974

inch misc.

Chart Legend

Σl/ A : Core Constant, l

: Effective Path Length, A

: Effective Cross- Sectional Area, V

Effective Core Volume

: Inductance Factor

Electrical Properties

(nH)

3425 ±25%

Ae(cm ) 3.24

-1

Σl/ A(cm ) 8.4

(cm)

27.4

(cm )

88.7

Toroids are tested for A

values at 10 kHz.

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