HCTR datasheet(2/2 Pages) API

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For frequencies ≤ 10 kHz

(mW/cm3)

Gauss

Core loss =

1.47 x 10–8

f 0.971 B 2.11

For frequencies ≥ 10 kHz

(mW/cm3)

Gauss

Core loss =

9.07 x 10–10

f 1.26 B 2.11

Bpk =

T37 = 0.064 cm2; T44 = 0.099 cm2;

T50 = 0.112 cm2; T68 = 0.179 cm2

Erms 108

4.44 Anf

270 Quaker Rd., East Aurora NY 14052 • Phone 716-652-3600 • Fax 716-652-4814 • E-mail: apisales@delevan.com • www.delevan.com

SERIES HCTR

HCT

High Current Toroidal Inductors

This information is

intended to be used in

assisting the designer in

part selection. Each

application may contain

other variables which

must be considered in

part selection, such as

temperature effects,

waveform distortion, etc.

API Delevan

Sales/Engineering is

available to provide

information as needed to

ﬁt each application.

Data is representative of

a DC current with less

than 1% ripple and an

AC waveform less than:

50 gauss on the

HCT-37X, 25 gauss on

the HCT-44X, 15 gauss

on the HCT-50X and 10

gauss on the

HCT-68X.The effect of

AC or ripple ﬂux can be

signiﬁcant in many DC

inductor applications.

When signiﬁcantly

greater AC ﬂux density is

present, it becomes

necessary to consider its

effect on both core loss

and permeability

(inductance).

All data points, on the

above graphs, that

exceed the rated DC

current speciﬁed for a

55°C rise from a 25°C

ambient are for design

reference only and are

not intended to imply

continuous use at those

DC current levels.

1/2009

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