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RA6992-BL SMT Planar Transformer

for Texas Instruments UCC2897

RoHS-konform
  • Developed for TI UCC2897 Active Clamp Forward (PMP9656 Reference Design)
  • Provides 0.009 inch (0.229 mm) clearance above the seating plane
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Muster anfordern:

Typische Anwendung

Funktioniert mit Texas Instruments UCC2897

Eingangsspannung Ausgang Leistung
48 V 60 V 12 V , 21 A 250 W

Technische Daten

Electrical specifications at 25°C.

Teilenummer Induktivität
bei 0A (µH) 1
(Toleranz: ±20%)
DCR max (mΩ) 2 Streu-
induktivitätmax (µH) 3
Windungsverhältnis Volt-Zeit-
Produkt (V-µs) 4
Isolations-
spannung (Vrms) 5
Pri Sec Aux Pri : Sec : Aux
RA6992-BL 50 6,9 4,2 82,0 0,25 1 : 0.5 : 0.5 206 1500
Hinweise
  1. Inductance measured on an Agilent/HP 4284 at 200 kHz, 0.5 Vrms, 0 Adc with windings connected in parallel.
  2. DCR for primary is measured with the windings connected in parallel. DCR for secondary is measured between pins 7 and 11.
  3. Leakage inductance is for the primary with windings connected in parallel, measured at 200 kHz, 0.5 Vrms, 0 Adc with all secondary pins shorted.
  4. Volt-time product is based on primary windings connected in parallel.
  5. 1500 Vrms, one minute isolation (hipot) from primary to secondary.

Anschlüsse:

  • RoHS-compliant  260°C compatible. Matte tin over nickel over brass terminations.
Umwelt/Umgebung
Umwelt/Umgebung:
RoHS-konform
Umgebungstemperaturbereich:
–40°C to +85°C
Lagertemperaturbereich:
Component: –40°C to +125°C
Tray packaging: –40°C to +80°C
Maximale Bauteiltemperatur:
+125°C (ambient + temp rise)
Ausfälle pro Zeiteinheit (FIT) / Mittlere Ausfallzeit (MTBF):
38 per billion hours / 26,315,789 hours, calculated per Telcordia SR-332

Pläne/Diagramme

ra6992s.gif

Primary windings to be connected
in parallel on the PC board.

Physikalische Eigenschaften

ra6992d.gif

dims_inches_mm.gif

Allgemeine Spezifikation

Kernmaterial:
Ferrite
Gewicht:
26.5 g
Verpackung:
25 per tray

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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