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SPT Series High Current
Surface Mount Power Inductors

New RoHS part numbers are shown. Lead was removed from terminations. Last three characters indicate tolerance, RoHS compliance, and packaging. (View old data sheet.)

Very high current ratings - up to 13.9 Amps
Low profile - as low as 7,0 mm
Toroid winding virtually eliminates stray electromagnetic emissions
Flat top and self-leaded design for reliable surface mounting
RoHS compliant. 260°C compatible. Tin-silver over copper terminations.

Photo Click icon in table for pricing Materials declaration PDF data sheet

SPECIFICATIONS

L versus Current Temperature versus Current Core loss

Dimensions Standard Series High Current Series

Tape and reel specifications Standard Series High Current Series

Qualification standards

SPT20L-112ML_ 1.1 1.01 16 360 3.4 1

SPT38L-382ML_ 3.8 2.5 9.3 133 8.0 3

SPT30L-522ML_ 5.2 3.8 19.9 60 4.8 2

SPT20L-702ML_ 7.0 6.2 95 70 1.4 1

SPT38L-752ML_ 7.5 5.1 18.7 73 5.4 3

SPT44L-792ML_ 7.9 4.9 16.2 49 7.8 4

SPT30L-123ML_ 12 9.4 47.2 33 2.8 2

SPT44L-143ML_ 14 9 23.6 20 5.5 4

SPT50L-163ML_ 16 9.3 19.7 19 7.2 5

SPT38L-223ML_ 22 16.2 63 34 2.7 3

SPT20L-233ML_ 23 17.6 320 21 1.0 1

SPT50L-263ML_ 26 16.1 32 9.2 5.1 5

SPT30L-353ML_ 35 29.7 166 12 1.4 2

SPT44L-413ML_ 41 29.1 85 9.5 2.7 4

SPT38L-733ML_ 73 58.1 290 5 1.3 3

SPT50L-733ML_ 73 50 133 14 2.6 5

SPT30L-174ML_ 170 114 640 3.3 0.94 2

SPT38L-294ML_ 290 192 657 2.3 0.90 3

SPT50L-564ML_ 560 350 550 1.0 0.90 5

SPT38L-674ML_ 670 383 1200 1.2 0.72 3

SPT44L-115ML_ 1100 670 1908 0.73 0.70 4

SPT50L-205ML_ 2000 1070 1932 0.4 0.71 5

SPT44H-282ML_ 2.8 1.68 4.6 136 13.9 6

SPT44H-422ML_ 4.2 2.5 6.6 72 11.4 6

SPT50H-652ML_ 6.5 3.5 7.2 46 12.4 7

SPT50H-842ML_ 8.4 4.7 8.5 23 10.4 7

SPT68H-113ML_ 11 6.5 8.2 20 14 8

SPT68H-183ML_ 18 10 12.5 9 10 8

1	When ordering, please specify packaging code: e.g. SPT20L-112MLD
	Packaging:	D = 13" reel, machine-ready EIA-481 embossed plastic tape. Standard series parts per reel. High Current series parts per reel.
		B = Less than full reel On tape not machine-ready. To have a leader and trailer added ($25 charge), use code letter D instead.

2	Inductance tested at 100 kHz, 0.1 Vrms on an Agilent/HP 4192A impedance analyzer.
3	Inductance with Isat current applied tested at 100 kHz, 0.1 Vrms on an Agilent/HP 4263B LCR meter or equivalent.
4	SRF measured using Agilent/HP8753ES network analyzer. Details
5	Ambient temperature range:	–40°C to +85°C
6	Storage temperature range:	Component: –40°C to +85°C Packaging: –55°C to +80°C
7	Resistance to soldering heat: Three reflows at >217°C for 90 seconds (+260°C ±5°C for 20 – 40 seconds), allowing parts to cool to room temperature between.
8	Electrical specifications at 25°C.
See Qualification Standards for complete environmental and test data.
Refer to Soldering Coilcraft Components before soldering.

SPT Series High Current Surface Mount Power Inductors

SPECIFICATIONS