DFKF2-28-4.0-1.5/A datasheet, PDF

Datasheet> All Categories > Passive components> inductor> DFKF2-28-4.0-1.5/A

DFKF2-28-4.0-1.5/A: DescriptionGeneral Purpose Inductor, 1500uH, 50%, 2 Element,; CategoryPassive components inductor; File Size180KB，1 Pages; ManufacturerSCHURTER; Websitehttp://www.schurterinc.com/

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DFKF2-28-4.0-1.5/A Overview

General Purpose Inductor, 1500uH, 50%, 2 Element,

DFKF2-28-4.0-1.5/A Parametric

Parameter Name	Attribute value
Maker	SCHURTER
Reach Compliance Code	compliant
ECCN code	EAR99
DC Resistance	0.028 Ω
Nominal inductance(L)	1500 µH
Inductor Applications	DC-DC CONVERTER
Inductor type	GENERAL PURPOSE INDUCTOR
Manufacturer's serial number	DFKF
Number of functions	2
Number of terminals	4
Maximum operating temperature	100 °C
Minimum operating temperature	-25 °C
Maximum rated current	4 A
self resonant frequency	1.3 MHz
Shape/Size Description	RECTANGULAR PACKAGE
shield	NO
surface mount	NO
Terminal location	DUAL IN-LINE
Terminal shape	WIRE
Tolerance	50%

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Magnetically Compensated Multiple Chokes

DFKF

Series, flat housing

Nominal current:

Nominal inductance:

Rated voltage U

max.

Frequency:

Test voltage:

Isolation voltage:

Climatic category:

Plastic case:

Potting resin:

0.4 - 6.3 A @

a 40°C

0.6 - 40mH / tol. -30% +50%

440 VAC

50 - 400 Hz

1.8 kV/50 Hz/1min./wdg.-wdg.

2 kV eff. / wdg.-ambient

25/100/21 acc. to IEC 60068-1

UL 94 V-0

All types of chokes correspond to the international specifications for

radio interference chokes (EN 138100).

This range of chokes enables horizontal mounting, thus reducing height of

the mounted circuit. Finest quality core materials allow the highest electrical

performance with minimum component volume. Good design with easy

assembly allows good cost/performance ratio.

This type of choke is essential in the field of power electronics, e.g. switching

power supplies, chopper amplifiers, DC drives and stepper motor controls.

DFKF

Magnetically compensated chokes are used for RFI sup-

pression in equipment with relatively high asymmetric

interference. Due to its current compensation characte-

ristic, this type of choke presents an active broad-band

series impedance.

Environmental rating:

Magnetically compensated chokes can only be

used when current is compensated. The current

flowing into the choke on one (•)-side must flow

100% out of the choke from the other (•) side

(see examples).Under different conditions the

choke will be saturated by the lowest current

and the attenuation efficiency lost.

SMD-version upon request.

(3)

[mΩ]

Technical Data

Type

DFKF2-18-0.4-40/a

DFKF2-18-1.2-6.8/a

DFKF2-18-1.5-3.3/a

DFKF2-18-4.0-0.7/a

DFKF2-28-0.6-40/a

DFKF2-28-1.0-20/a

DFKF2-28-2.0-6.0/a

DFKF2-28-4.0-1.5/a

DFKF2-28-6.3-0.6/a

(1)

[A]

(2)

[mH]

[MHz]

∼

Res

loss

[W]

Case

04-2

15-2

0.4

1.2

1.5

4.0

0.6

1.0

2.0

4.0

6.3

x 40

x 6.8

x 3.3

x 0.7

x 40

x 20

x 6.0

x 1.5

x 0.6

x 1200

x 200

x 110

x 1000

x 360

x 100

0.11

0.45

1.2

2.5

0.2

0.28

0.3

1.3

2.5

0.4

0.6

0.5

0.7

0.8

0.9

(1)

ϑa

40°C; current derating over 40°C: I = I

(3)

Resistance @

ϑa

25°C

(100-ϑa)/60

(2)

Nominal inductance measured according to EN 138100, see introduction of this catalog, paragraph 3.4

Application

Case 04-2

Case 15-2

DFKF2-28-4.0-1.5/A Related Products

	DFKF2-28-4.0-1.5/A	DFKF2-18-0.4-40/A	DFKF2-28-6.3-0.6/A	DFKF2-28-1.0-20/A	DFKF2-28-0.6-40/A	DFKF2-18-4.0-0.7/A	DFKF2-28-2.0-6.0/A	DFKF2-18-1.5-3.3/A	DFKF2-18-1.2-6.8/A
Description	General Purpose Inductor, 1500uH, 50%, 2 Element,	General Purpose Inductor, 40000uH, 50%, 2 Element,	General Purpose Inductor, 600uH, 50%, 2 Element,	General Purpose Inductor, 20000uH, 50%, 2 Element,	General Purpose Inductor, 40000uH, 50%, 2 Element,	General Purpose Inductor, 700uH, 50%, 2 Element,	General Purpose Inductor, 6000uH, 50%, 2 Element,	General Purpose Inductor, 3300uH, 50%, 2 Element,	General Purpose Inductor, 6800uH, 50%, 2 Element,
Reach Compliance Code	compliant	compliant	compliant	compliant	compliant	compliant	compliant	compliant	compliant
ECCN code	EAR99	EAR99	EAR99	EAR99	EAR99	EAR99	EAR99	EAR99	EAR99
DC Resistance	0.028 Ω	1.2 Ω	0.013 Ω	0.36 Ω	1 Ω	0.016 Ω	0.1 Ω	0.11 Ω	0.2 Ω
Nominal inductance(L)	1500 µH	40000 µH	600 µH	20000 µH	40000 µH	700 µH	6000 µH	3300 µH	6800 µH
Inductor Applications	DC-DC CONVERTER	DC-DC CONVERTER	DC-DC CONVERTER	DC-DC CONVERTER	DC-DC CONVERTER	DC-DC CONVERTER	DC-DC CONVERTER	DC-DC CONVERTER	DC-DC CONVERTER
Inductor type	GENERAL PURPOSE INDUCTOR	GENERAL PURPOSE INDUCTOR	GENERAL PURPOSE INDUCTOR	GENERAL PURPOSE INDUCTOR	GENERAL PURPOSE INDUCTOR	GENERAL PURPOSE INDUCTOR	GENERAL PURPOSE INDUCTOR	GENERAL PURPOSE INDUCTOR	GENERAL PURPOSE INDUCTOR
Manufacturer's serial number	DFKF	DFKF	DFKF	DFKF	DFKF	DFKF	DFKF	DFKF	DFKF
Number of functions	2	2	2	2	2	2	2	2	2
Number of terminals	4	4	4	4	4	4	4	4	4
Maximum operating temperature	100 °C	100 °C	100 °C	100 °C	100 °C	100 °C	100 °C	100 °C	100 °C
Minimum operating temperature	-25 °C	-25 °C	-25 °C	-25 °C	-25 °C	-25 °C	-25 °C	-25 °C	-25 °C
Maximum rated current	4 A	0.4 A	6.3 A	1 A	0.6 A	4 A	2 A	1.5 A	1.2 A
self resonant frequency	1.3 MHz	0.11 MHz	2.5 MHz	0.28 MHz	0.2 MHz	2.5 MHz	0.3 MHz	1.2 MHz	0.45 MHz
Shape/Size Description	RECTANGULAR PACKAGE	RECTANGULAR PACKAGE	RECTANGULAR PACKAGE	RECTANGULAR PACKAGE	RECTANGULAR PACKAGE	RECTANGULAR PACKAGE	RECTANGULAR PACKAGE	RECTANGULAR PACKAGE	RECTANGULAR PACKAGE
shield	NO	NO	NO	NO	NO	NO	NO	NO	NO
surface mount	NO	NO	NO	NO	NO	NO	NO	NO	NO
Terminal location	DUAL IN-LINE	DUAL IN-LINE	DUAL IN-LINE	DUAL IN-LINE	DUAL IN-LINE	DUAL IN-LINE	DUAL IN-LINE	DUAL IN-LINE	DUAL IN-LINE
Terminal shape	WIRE	WIRE	WIRE	WIRE	WIRE	WIRE	WIRE	WIRE	WIRE
Tolerance	50%	50%	50%	50%	50%	50%	50%	50%	50%
Base Number Matches	-	1	1	1	1	1	1	-	-

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