Datasheet > JA4487_16

JA4487_16

更新时间： 2022-02-26 12:20:45

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SMT Power Inductors

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JA4487_16 数据手册

Document 941

For Texas Instruments

SolarMagic Power Optimizer

SMT Power Inductors

• Developed for Texas Instruments SolarMagic™ Power

Optimizer SM3320 series

• JA4487-AL is designed for 30 V to 100 V panels; JA4488-AL

is designed for low voltage panels (<50 V)

• High current, low DCR, shielded power inductors

• Recessed board placement for a very low proﬁle design

Core material Ferrite

Terminations RoHS compliant tin-silver over tin over nickel over

phos bronze. Other terminations available at additional cost.

Weight 36.8 – 39.0 g

Ambient temperature –40°C to +125°C

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

Tray packaging: –40°C to +80°C

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 24 per tray

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

solvents, see Doc787_PCB_Washing.pdf

Irms (A)⁴

Inductance Inductance

DCR

max³

Part

number

at 0 A¹

at Ipk²

Ipk²20°C 40°C

±±0ꢀ (ꢁµ)

min (ꢁµ) (mOhms) (A)

rise rise

JA4487-AL

JA4488-AL

10.0

11.0

10.0

15.0

11.0 14.4

9.5 13.0

PC board

1. Inductance measured at 200 kHz, 1.0 Vrms, 0 Adc using an Agilent/HP 4263B

impedance analyzer or equivalent.

0.50

12,7

max

2. Peak primary current drawn at minimum input voltage.

3. DCR is with all windings connected in parallel.

4. Current that causes the speciﬁed temperature rise from 25°C ambient. This infor-

mation is for reference only and does not represent absolute maximum ratings

1.220

31,0

0.126

3,2

1.339

34,0

5. Electrical speciﬁcations at 25°C.

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

1.48

37,7

0.146

3,7

1.260

32,0

max

0.083

2,1

0.039

1,0

1.236

31,4

1.22

31,0

1.236

31,4 cutout

Board

max

0.177

4,5

0.177

4,5

Windings to be connected

in parallel on the PC board

Recommended

Land Pattern

(Viewed from underside

of PC board)

White mark

indicates pin 1

inches

Dimensions are in

For lowest proﬁle, these parts are designed to

be mounted to the underside of the PC board.

Document 941 Revised 11/19/15

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