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RA7231 Series

Dual Inductor for Class-D output filters

RoHS-konform AEC-Q flag
Coilcraft's RA7231 Series uncoupled dual inductors provide two back-to-back inductors that operate independently without coupling effects.  This unique design saves space by combining two inductors in a single package. They are perfect for Class-D applications.
  • Designed for low distortion and the best possible sound quality. 
    Learn more.
  • Shielded package contains both coils.
  • Very low magnetic coupling
  • AEC-Q200 Grade 1 (−40°C to +125°C)
Jetzt kaufen:
Anzahl Einzelpreis
1 $4,28
100 $3,66
250 $3,18
500 $2,78
1000 $2,16
2500 $1,85
5000 $1,70

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

. Auf Lager, noch heute versandbereit.
Muster anfordern:

Technische Daten

Electrical specifications at 25°C.

Teilenummer 1 Induktivität (µH) 2
(Toleranz: ±10%)
DCR max (mΩ) 3 SRF typ (MHz) 4 Isat (A) 5 Irms (A) 6
10% drop 20% drop 30% drop 20°C rise 40°C rise
RA7231-AL_ 5,0 6,0 34,0 15,5 16,6 17,6 7,6 10,6
Hinweise
  1. When ordering, please specify packaging code: e.g. RA7231-ALD
  2. Inductance is for each winding, measured at 100 kHz, 1.0 Vrms, 0 Adc using an Agilent/HP 4284A impedance analyzer. Minimum inductance is 4.5 µH at 11.5 Adc.
  3. DCR is for each winding, measured on a micro-ohmmeter at 25°C. For other operating temperatures, use this DCR at Temperature calculator.
  4. SRF measured using Agilent/HP 8753D network analyzer.
  5. Isat: DC current (typical) at which the inductance drops the specified amount from its value without current.
  6. Irms: Current applied to both windings at the same time that causes the specified temperature rise from 25°C ambient.

Anschlüsse:

  • RoHS compliant tin-silver (96.5/3.5) over copper.

Verpackung:

  • D = 13″ 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 D.

     

Umwelt/Umgebung
Umwelt/Umgebung:
RoHS-konform
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 + temperature rise)
Ausfälle pro Zeiteinheit (FIT) / Mittlere Ausfallzeit (MTBF):

Kennlinien

Inductance vs Current

Pläne/Diagramme

ra7231s.gif

Physikalische Eigenschaften

ra7231d.gif

Gurt/Rolle-Spezifikationen

tapereel_pl.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
150 330 100 13 38,4 32,4 32 24 4 2 16,1 0,5

Allgemeine Spezifikation

Kernmaterial:
Ferrite
Gewicht:
12.3 g
Verpackung:
150/13″ reel Plastic tape: 32 mm wide, 0.5 mm thick, 24 mm pocket spacing, 16.1 mm pocket depth

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.

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