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JA4456-DL Flyback Transformers

for Texas Instruments TPS2375x

RoHS-konform
  • Developed for TI TPS2375x PoE Interface and DC/DC Converters

Jetzt kaufen:
Anzahl Einzelpreis
1 $5,22
175 $4,86
700 $4,23
1400 $3,30
2800 $2,84
5000 $2,58

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

. Auf Lager, noch heute versandbereit.
Muster anfordern:

Typische Anwendung

Funktioniert mit Texas Instruments TPS23752

Eingangsspannung Ausgang 1 Leistung fSchalt
Sec Bias
36 V 57 V 5 V , 5 A 12 V , 0,02 A 25 W 250 kHz

Technische Daten

Electrical specifications at 25°C.

Teilenummer 2
(Hover for schematics)
Induktivität
bei 0A (µH) 3
(Toleranz: ±10%)
DCR max (Ω) 5 Streu-
induktivitätmax (µH) 6
Windungsverhältnis 7 Kapazität
max (pF)
Isolations-
spannung (Vrms) 8
Pri Sec Bias Pri : Sec : Bias
JA4456-DL_ 70 0,070 0,0043 0,31 0,615 1 : 0.182 : 0.409 158 1500
Hinweise
  1. Output of the secondary is with all windings connected in parallel. Bias winding output is 12 V, 20 mA.
  2. When ordering, please specify termination and packaging codes: JA4456-DLD.
  3. Inductance is for the primary, measured at 250 kHz, 0.5 Vrms.
  4. Peak primary current drawn at minimum input voltage.
  5. DCR for the primary and secondary are with the windings connected in parallel.
  6. Leakage inductance is for the primary windings with all the secondary windings shorted.
  7. Turns ratios are with the primary windings and secondary windings connected in parallel.
  8. 1500 Vrms, one minute isolation (hipot) primary and bias to secondary; 500 Vrms isolation primary to bias; 750 Vrms isolation all pins to the core.

Anschlüsse:

  • RoHS-compliant  260°C compatible. Tin-silver over tin over nickel over phos bronze terminations. Other terminations available at additional cost.

Verpackung:

  • D = 13″ machine-ready reel. EIA-481 embossed plastic tape (175 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.
Umwelt/Umgebung
Umwelt/Umgebung:
RoHS-konform
Umgebungstemperaturbereich:
–40°C to +125°C
Lagertemperaturbereich:
Component: –40°C to +125°C.
Tape and reel packaging: –40°C to +80°C
Ausfälle pro Zeiteinheit (FIT) / Mittlere Ausfallzeit (MTBF):

Pläne/Diagramme

ja4456s.gif
 

Primary windings and secondary windings
to be connected in parallel on PC board.

Physikalische Eigenschaften

ja4456d.gif


dims_inches_mm-(6).gif

Gurt/Rolle-Spezifikationen

tapereel_pl-(57).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_c-(1).gif
175 330 100 13 50,4 44,4 44 32 4 2 12,0 0,5

Allgemeine Spezifikation

Kernmaterial:
Ferrite
Gewicht:
11.7 g
Verpackung:
175 per 13″ reel Plastic tape: 44 mm wide, 0.5 mm thick, 32 mm pocket spacing, 12.0 mm pocket depth PCB washing Tested to MIL-STD-202 Method

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. See Doc787_PCB_Washing.pdf.

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