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MVR Series

VRM/VRD Power Inductors

Coilcraft low-profile MVR Series shielded power inductors are great for high current DC-DC converters and VRM/VRD controllers. High-temperature, low-loss materials do not exhibit thermal aging. The MVR1251T is also AEC Q200 Grade 1 qualified (−40°C to +125°C).

Very low DCR and high current handling
Low loss and soft saturation versions
Low profile with excellent performance-to-height ratio
Designed for high-current DC-DC and VRM/VRD controllers
Magnetically shielded / No thermal aging
AEC Q200 Grade 1 (−40°C to +125°C) − MVR1251T only

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Teilenummer

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Anzahl	Einzelpreis
1	$2,46
175	$2,12
700	$1,85
1400	$1,52
2800	$1,30
5000	$1,20

Für große Mengen oder nicht vorrätige Artikel bitte ein Angebot anfordern.

Tolerance

M = 20%

Termination

L = Tin-silver

Packaging

C = 7" machine-ready reel

. Auf Lager, noch heute versandbereit.

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Technische Daten

Electrical specifications at 25°C.

Low core loss version

Teilenummer 1	Induktivität (nH) 2 (Toleranz: ±20%)	DCR ± 8% (mΩ) 3	SRF typ (MHz) 4	Isat (mA) 5	Irms (A) 6
Teilenummer 1	Induktivität (nH) 2 (Toleranz: ±20%)	DCR ± 8% (mΩ) 3	SRF typ (MHz) 4	Isat (mA) 5	Irms (A) 6
MVR1251T-251ML_	250	0,93	160	35000	25,0
MVR1251T-361ML_	360	0,93	140	24000	24,0
MVR1251T-561ML_	560	0,93	110	13000	25,0

Soft saturation version

Teilenummer 1	Induktivität (µH) 2 (Toleranz: ±20%)	DCR ± 8% (mΩ) 3	SRF typ (MHz) 4	Isat (A) 5	Irms (A) 6
Teilenummer 1	Induktivität (µH) 2 (Toleranz: ±20%)	DCR ± 8% (mΩ) 3	SRF typ (MHz) 4	Isat (A) 5	Irms (A) 6
MVR1247C-361ML_	0,36	0,93	120	36,0	24,0
MVR1255C-651ML_	0,65	1,5	115	24,0	19,0
MVR1261C-112ML_	1,1	2,0	95,0	20,0	20,0
MVR1271C-162ML_	1,7	2,5	55,0	17,0	20,0
MVR1278C-232ML_	2,3	3,1	50,0	16,0	17,0

Hinweise

When ordering, please specify termination and packaging codes: e.g. MVR1278C-232MLC
Inductance measured at 500 kHz, 0.1 Vrms using an Agilent/HP 4284A LCR meter or equivalent.
DCR measured at 25°C on a micro-ohmmeter. For other operating temperatures, use this DCR at Temperature calculator.
SRF measured on an Agilent/HP 8753ES
Isat: DC current at which the inductance drops 30% (typ) for MVR12xxC and 20% (typ) for MVR12xxT 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.

Anschlüsse:

L = RoHS compliant tin-silver (96.5/3.5) over copper.
T = RoHS tin-silver-copper (95.5/4/0.5). (Special order, added cost)
S = non-RoHS tin-lead (63/37). (Special order, added cost)

Verpackung:

C = 7″ machine-ready reel. EIA-481 embossed plastic tape. 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 C.
D = 13″ machine-ready reel. EIA-481 embossed plastic tape. Factory order only, not stocked.

Umwelt/Umgebung

Umwelt/Umgebung:

RoHS-konform

Umgebungstemperaturbereich:

–40°C to +85°C with Irms current, +85°C to +125°C with derated current

Lagertemperaturbereich:

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

Maximale Bauteiltemperatur:

+125°C (Ambient + temperature rise)

Ausfälle pro Zeiteinheit (FIT) / Mittlere Ausfallzeit (MTBF):

See FIT/MTBF Calculations

Kennlinien

Inductance vs Current

MVR12xxC

Inductance vs Current Comparison

0.36 µH

Inductance vs Frequency

MVR12xxC

Temperature Rise versus Current

Inductance vs Current

MVR12xxT

Inductance vs Frequency

MVR12xxT

Physikalische Eigenschaften

	Height (in. / mm)		Length (in. / mm)
Body size	typ	max	typ	max
MVR1247	0.171 / 4,35	0.185 / 4,70	0.448 / 11,37	0.453 / 11,50
MVR1251	0.181 / 4,61	0.200 / 5,10	0.439 / 11,14	0.453 / 11,50
MVR1255	0.207 / 5,25	0.217 / 5,50	0.448 / 11,37	0.453 / 11,50
MVR1261	0.232 / 5,90	0.240 / 6,10	0.448 / 11,37	0.453 / 11,50
MVR1271	0.262 / 6,65	0.280 / 7,10	0.448 / 11,37	0.453 / 11,50
MVR1278	0.287 / 7,29	0.307 / 7,80	0.448 / 11,37	0.453 / 11,50

Gurt/Rolle-Spezifikationen

	Parts per reel		Reel dimensions (mm)					Tape dimensions (mm)
	7" (178 mm)	13" (330 mm)	A	B	C	D	E	W	P	Po	P1	H	T
MVR1247	200	900*	178/330	60/100	13	30,4	24,4	24	16	4	2	4,55	0,35
MVR1251	175	700*	178/330	60/100	13	30,4	24,4	24	16	4	2	6,1	0,4
MVR1255	175	700*	178/330	60/100	13	30,4	24,4	24	16	4	2	6,1	0,4
MVR1261	175	700*	178/330	60/100	13	30,4	24,4	24	16	4	2	6,1	0,4
MVR1271	100	500*	178/330	60/100	13	30,4	24,4	24	16	4	2	7,5	0,4
MVR1278	100	500*	178/330	60/100	13	30,4	24,4	24	16	4	2	7,5	0,4

* Special order

Allgemeine Spezifikation

Kernmaterial:

MVRxxxT: Ferrite; MVRxxxxC: Powdered iron

Gewicht:

MVRT: 2.1 g; MVRC: 2.45 – 3.86 g

Löten/Reinigen

Feuchteempfindlichkeitsstufe (MSL):

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

Löttemperaturbeständigkeit:

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

Vor dem Löten bitte den Beitrag Löten von Coilcraft-Bauelementen lesen.

Baugruppenreinigung:

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

MVR Series

VRM/VRD Power Inductors