Datasheet > JA4590-AL

JA4590-AL

更新时间： 2024-11-22 01:24:51

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线艺 - COILCRAFT		/
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1页	127K
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Coupled Inductor

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JA4590-AL 数据手册

Document 852

Coupled Inductor – JA4590-AL

• Developed for Texas Instruments TPS40210 Current Mode

Boost Controller.

• 1 : 1 coupled inductor with a coupling coefﬁcient >0.95.

• Can be used as a transformer or as an inductor in SEPIC

and Zeta applications.

Core material Ferrite

Terminations RoHS compliant matte tin over nickel over phos bronze.

Weight 10.8 g

Ambient temperature –40°C to +85°C with Irms current, +85°C to

+125°C with derated current

Storage temperature Component: –40°C to +125°C.

Tape and reel packaging: –40°C to +80°C

Winding to winding isolation 500 Vrms

Resistance to soldering heat Max three 40 second reﬂows at

+260°C, parts cooled to room temperature between cycles

Moisture Sensitivity Level (MSL) 1 (unlimited ﬂoor life at <30°C /

85% relative humidity)

Failures in Time (FIT) / Mean Time Between Failures (MTBF)

38 per billion hours / 26,315,789 hours, calculated per Telcordia SR-332

Packaging 175/13″ reel; Plastic tape: 32 mm wide, 0.5 mm thick,

24 mm pocket spacing, 14.3 mm pocket depth

PCB washing Tested with pure water or alcohol only. For other

solvents,see Doc787_PCB_Washing.pdf.

Irms(A)

Leakage

inductance⁵

max(ꢀµ)

Part

Inductance²

±±10(ꢀµ)

DCRmax³

(Ohms)

SRFtyp⁴

(Mµz)

Isat⁶

(A)

both

one

number¹

windings⁷

winding⁸

JA4590-AL_

0.028

8.0

0.30

7.8

4.20

5.94

1. When ordering, please specify packaging code:

JA4591-ALD

Packaging: D = 13″ machine-ready reel. EIA-481 embossed plastic

tape (175 parts per full reel).

B = Less than full reel. In tape, but not machine ready.

To have a leader and trailer added ($25 charge),

use code letter D instead.

2. Inductance shown for each winding, measured at 100 kHz, 0.1 Vrms,

0 Adc on an Agilent/HP 4284A LCR meter or equivalent.When leads

are connected in parallel, inductance is the same value.When leads

are connected in series, inductance is four times the value.

3. DCR is for each winding.When leads are connected in parallel, DCR

is half the value.When leads are connected in series, DCR is twice the

value.

4. SRF measured using an Agilent/HP 4191A or equivalent.When leads

are connected in parallel, SRF is the same value.

5. Leakage inductance is for one winding.

6. DC current, at which the inductance drops 20% (typ) from its value

without current. It is the sum of the current ﬂowing in both windings.

7. Equal current when applied to each winding simultaneously that

causes a 40°C temperature rise from 25°C ambient.

8. Maximum current when applied to one winding that causes a 40°C

temperature rise from 25°C ambient.

Refer to Doc 639 “Selecting Coupled Inductors for SEPIC Applications.”

Refer to Doc 362 “Soldering Surface Mount Components” before soldering.

inches

Dimensions are in

Document 852-1 Revised 06/06/12

US +1-847-639-6400 sales@coilcraft.com

UK +44-1236-730595 sales@coilcraft-europe.com

Taiwan +886-2-2264 3646 sales@coilcraft.com.tw

China +86-21-6218 8074 sales@coilcraft.com.cn

Singapore + 65-6484 8412 sales@coilcraft.com.sg

This product may not be used in medical or high

risk applications without prior Coilcraft approval.

Specification subject to change without notice.

Please check web site for latest information.

中文翻译

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