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Close up of MSD1278H-274KED
3D Model Datasheet

MSD1278H-274

MSD1278H-274KED

RoHS-konform Halogenfrei AEC-Q flag

Für weitere Informationen und Spezifikationen zum Bauteil.

Gehe zu Baureihe
Jetzt kaufen:
Anzahl Einzelpreis
1 $3,06
250 $2,02
500 $1,21
1000 $0,95
2500 $0,81
5000 $0,75

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

. Auf Lager, noch heute versandbereit.
Muster anfordern:
Designer-Kits:
Kit Werte Preis
C512 28 (3 of each) $85,00

Technische Daten

Electrical specifications at 25°C.

Für Flyback-Anwendungen

Teilenummer 1
(Hover for schematics)
Induktivität (µH) 2
(Toleranz: ±10%) 		DCR max (Ω) 3 Isolations-
spannung (V) 		Streu-
induktivität (µH) 5
MSD1278H-274KED 270,00 0,74 500 3,10

Für SEPIC-Anwendungen

Teilenummer 1
(Hover for schematics)
Induktivität (µH) 2
(Toleranz: ±10%) 		DCR max (Ω) 3 SRF typ (MHz) 4 Kopplungskoeffizient Streu-
induktivität (µH) 5 		Isat (A) 6 Irms (A)
10% drop 20% drop 30% drop beide Wicklungen 7 eine Wicklung 8
MSD1278H-274KED 270 0,74 3,2 >0.99 3,1 1,5 1,6 1,8 0,87 1,25
Hinweise
  1. When ordering, please specify termination code: MSD1278H-105KED. 
  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 L1 and is measured with L2 shorted
  6. Isat: DC current, at which the inductance drops the specified amount from its value without current. It is the sum of the current flowing in both windings.
  7. Irms, both windings: Equal current when applied to each winding simultaneously that causes a 40°C temperature rise from 25°C ambient. Determine temperature rise.
  8. Irms, one winding: Maximum current when applied to one winding that causes a 40°C temperature rise from 25°C ambient. Determine temperature rise.

Anschlüsse:

  • E = RoHS compliant matte tin over nickel over phos bronze.
  • 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:

  • D = 13″ machine-ready reel. EIA-481 embossed plastic tape (500 parts per full reel). Quantities less than full reel available: in tape (not machine ready) or with leader and trailer ($25 charge).
Umwelt/Umgebung
Umwelt/Umgebung:
RoHS-konform , Halogenfrei
Umgebungstemperaturbereich:
–40°C to +125°C with Irms current
Lagertemperaturbereich:
Component: –40°C to +165°C.
Tape and reel packaging: –40°C to +80°C
Maximale Bauteiltemperatur:
+165°C (ambient + temp rise)
Ausfälle pro Zeiteinheit (FIT) / Mittlere Ausfallzeit (MTBF):
See FIT/MTBF Calculations

Kennlinien

Pläne/Diagramme

msd1278tschem.GIFmsd1260s.gif

Physikalische Eigenschaften

msd1278hd.gif
 

dims_inches_mm.gif

Gurt/Rolle-Spezifikationen

tapereel_pl-(28).gif

 
Parts per reel Reel dimensions (mm) Tape dimensions (mm) Orientation
13" (330 mm) A B C D E W P Po P1 H T part_or_ak.gif
500 330 100 13 30,4 24,4 24 16 4 2 8,7 0,5

Allgemeine Spezifikation

Kernmaterial:
Ferrite
Gewicht:
3.7 – 4.4 g
Verpackung:
500/13″ reel; Plastic tape: 24 mm wide, 0.5 mm thick, 16 mm pocket spacing, 8.7 mm pocket depth
Winding to Winding Isolation:
500 Vrms, one minute

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:
PCB washing Tested with pure water or alcohol only. More info.

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