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SER1590 Series

High Current Shielded Power Inductors

SER1590 Series high-current, high-inductance power inductors feature a flat-wire construction, resulting in exceptionally low DC resistance. They come in a wide range of sizes and inductance values for POL, VRM, VRD, and other high power applications.

Rugged flat wire construction
Exceptionally low DC resistance
Ferrite core for flat L vs. I characteristics
Magnetically shielded to minimize EMI
AEC-Q200 qualified

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Part number

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Count	Unit price
1	$2.20
250	$1.88
500	$1.65
1000	$1.28
2500	$1.10
5000	$1.01

For high volume or non-stock items, request a quote.

Tolerance

M = 20%

Termination

L = Tin-silver-copper

Packaging

D = 13" machine-ready reel

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Designer's Kit:

Kit	Values	Price
C366	9 (4 of each)	$60.00

Specifications

Electrical specifications at 25°C.

Part number 1	Inductance (µH) 2 (Tolerance: ±20%)	DCR (mΩ) 3		SRF typ (MHz) 4	Isat (A) 5			Irms (A) 6
Part number 1	Inductance (µH) 2 (Tolerance: ±20%)	typ	max	SRF typ (MHz) 4	10% drop	20% drop	30% drop	Irms (A) 6
SER1590-301ML_	0.30	0.66	0.72	260	53.0	56.0	57.0	32.0
SER1590-501ML_	0.50	0.87	0.94	202	39.0	42.0	44.0	27.0
SER1590-601ML_	0.60	0.87	0.94	182	33.0	35.0	36.0	27.0
SER1590-681ML_	0.68	0.87	0.94	160	30.0	32.0	33.0	27.0
SER1590-801ML_	0.80	0.87	0.94	123	25.0	26.0	27.0	27.0
SER1590-901ML_	0.90	1.08	1.15	160	27.0	28.0	29.0	22.0
SER1590-102ML_	1.0	0.87	0.94	115	20.0	22.0	23.0	27.0
SER1590-122ML_	1.2	1.08	1.15	90.0	20.0	22.0	23.0	22.0
SER1590-152ML_	1.5	1.08	1.15	73.0	17.0	18.0	19.0	22.0

Notes

When ordering, please specify termination and packaging codes: e.g. SER1590-152MLD
. Inductance measured at 100 kHz, 0.1 Vrms, 0 Adc on an Agilent/ HP 4284A LCR meter or equivalent.
DCR measured at 25°C on a Keithley 580 micro-ohmmeter. For other operating temperatures, use this DCR at Temperature calculator.
SRF measured using an Agilent/HP 8753D network analyzer and Coilcraft SMD-D test fixture.
Isat: DC current at 25°C that causes the specified inductance drop from its value without current.
Temperature derating curves.
Irms: Current that causes the specified temperature rise from 25°C ambient. This information is for reference only and does not represent absolute maximum ratings. Temperature derating curves. When Irms is greater than Isat, Isat is the more critical specification and Irms is shown in gray type. See temperature rise vs Current.

Termination:

L = RoHS compliant tin-silver-copper over copper.
S = non-RoHS tin-lead (63/37) over copper. (Special order, added cost)

Packaging:

D = 13″ machine-ready reel. EIA-481 embossed plastic tape (250 parts per full reel). Quantities less than full reel available: in tape (not machine ready) or with leader and trailer ($25 charge).
B = Less than full reel. In an effort to simplify our part numbering system, Coilcraft is eliminating the need for multiple packaging codes. When ordering, simply change the last letter of your part number from B to D.

Environmental

Environmental:

RoHS compliant

Ambient temperature range:

–40°C to +85°C with (40°C rise) Irms

Storage temperature range:

Component: –40°C to +125°C.
Tape and reel packaging: –40°C to +80°C

Maximum part temperature:

+125°C (ambient + temp rise).

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

See FIT/MTBF Calculations

Performance curves

Inductance vs Frequency

Inductance vs Current

Temperature Rise vs Current

Physical characteristics

A max	B max	C max	D	E	F	G	H
0.62	0.64	0.40	0.10	0.23	0.09	0.260 ±0.006	0.45	inches
15,75	16,26	10,16	2,54	5,84	2,29	6,60 ±0,15	11,43	mm

I	J	K	L	M	N	O	P	Q
0.08	0.10	0.15	0.18	0.35	0.25	0.035	0.16	0.15	inches
2,03	2,54	3,81	4,57	8,89	6,35	0,89	4,06	3,81	mm

Tape and Reel specification

Parts per reel	Reel dimensions (mm)					Tape dimensions (mm)						Orientation
13" (330 mm)	A	B	C	D	E	W	P	Po	P1	H	T
250	330	100	13	38,4	32,4	32	32	4	2	10,4	0,4

General specification

Core Material:

Ferrite

Weight:

4.14 – 5.2 g

Packaging:

250 per 13″ reel; Plastic tape: 32 mm wide, 0.4 mm thick, 32 mm pocket spacing, 10.4 mm pocket depth

Soldering/Washing

Moisture Sensitivity Level (MSL):

1 (unlimited floor life at <30°C / 85% relative humidity)

Resistance to soldering heat:

Max three 40 second reflows at +260°C, parts cooled to room temperature between cycles

Refer to Soldering Coilcraft Components before soldering.

PCB Washing:

Tested to MIL-STD-202 Method 215 plus an additional aqueous wash. More info.

SER1590 Series

High Current Shielded Power Inductors