Datasheet > B78419A2288A003

B78419A2288A003

更新时间： 2022-02-26 10:35:32

品牌	Logo	应用领域
东电化 - TDK		/
页数	文件大小	规格书
8页	215K
描述
SMT Current Sense Transformers

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B78419A2288A003 数据手册

SMT Current Sense Transformers

EP 10 Core

B78419

ꢄ

_{ꢅꢆꢇ,ꢁꢂꢃ}× ꢈ_ꢁꢂꢃ

ꢀ_ꢁꢂꢃ

ꢉ_ꢊ× ꢋ_ꢌ× ꢍ_ꢅꢊꢎ

With:

ꢀ_ꢁꢂꢃ

Maximum magnetic flux density in the ferrite core of the current sense transformer

Maximum output voltage of the measurement signal

ꢄ_{ꢅꢆꢇ,ꢁꢂꢃ}

ꢈ_ꢁꢂꢃ

ꢉ_ꢊ

Maximum duty cycle

Number of turns of the secondary winding of the current sense transformer

Effective magnetic area of the ferrite core

ꢋ_ꢌ

ꢍ_ꢅꢊꢎ

Operating frequency of the switching operator IC

Typical value for ꢋ_ꢌ: 10.7 x 10-6 m²

Typical ꢀ_ꢁꢂꢃ: < 220 mT

ꢄ

_{ꢅꢆꢇ,ꢁꢂꢃ}× ꢉ_ꢊ

ꢏ_ꢐ=

ꢑ_{ꢒꢓꢔꢁ,ꢁꢂꢃ}

With:

ꢏ_ꢐ

Resistance of burden resistor

ꢄ_{ꢅꢆꢇ,ꢁꢂꢃ}

ꢉ_ꢊ

Maximum output voltage of the measurement signal

Number of turns on the secondary side of the CST

Maximum primary current (peak current)

ꢑ_{ꢒꢓꢔꢁ,ꢁꢂꢃ}

Characteristics and ordering codes

L_min

Turns

Voltage-

C_p

R_max

Recommended Ordering Code

(5-4) Ratio

time product

(1-2) (4-5) R_T

+120°C

Np : Ns V · µs

mΩ

0.5

Ω

1.7 1:50

117

164

235

294

423

1.5

2.1

3.1

4.0

7.4

B78419A2288A003

B78419A2289A003

B78419A2251A003

B78419A2290A003

B78419A2271A003

3.0 1:70

7.0 1:100

11.0 1:125

25.0 1:180

100

125

180

MAG TF T PD

2015-11-25

Please read Cautions and warnings and

Page 5 of 8

Important notes at the end of this document.

1 2 3 456 7 8

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