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Isolation Transformer

for Texas Instruments SN6501 and SN6505B Push-Pull driver

RoHS-konform Halogenfrei AEC-Q flag
Coilcraft's UA825x miniature, low-profile transformers are designed for use with SN6501 and SN6505B transformer drivers from Texas Instruments. The center-tapped push-pull transformer features high isolation voltage and high efficiency for isolated power supplies. It is driven by the SN6505B from a 3.3 V or 5.0 V power supply and provides high isolation at 2500 Vrms across the isolation barrier for interfaces such as CAN, RS-485, RS-422, RS-232, SPI, I2C , and low-power LAN in industrial and automotive applications. The UA825x is AEC Grade 1 qualified, making it an ideal solution for DC-DC converters in EV/HEV applications.
  • Developed for Texas Instruments SN6501 and SN6505B Push-Pull driver
  • Low profile and center-tapped push-pull transformers for isolated power supply
  • 2500 Vrms, one minute high isolation (hipot) winding to winding
  • AEC-Q200 Grade 1 (–40°C to +125°C)

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Typische Anwendung

Funktioniert mit Texas Instruments SN6501 and SN6505B

Teilenummer Eingangsspannung Primärspannung Sekundärspannung Ausgang
UA8251-AED 3,3 V 3,3 V 3,3 V 3,3 V
UA8252-AED 5 V 5 V 5 V 5 V
UA8253-AED 3,3 V 3,3 V 5 V 5 V
UA8254-AED 3,3 V 3,3 V 3,3 V 3,3 V
UA8255-AED 3,3 V 3,3 V 5 V 5 V

Technische Daten

Electrical specifications at 25°C.

Teilenummer
(Hover for schematics)
Induktivität
bei 0A (µH) 1
DCR max (Ω) Streu-
induktivitätmax (µH) 2
Windungsverhältnis Volt-Zeit-
Produkt (V-µs) 3
Isolations-
spannung (Vrms) 4
Pri Sec Pri : Sec
UA8251-AED 1050 0,306 0,334 0,35 1 : 1.13 10,4 2500
UA8252-AED 900 0,320 0,360 0,35 1 : 1.076 11,5 2500
UA8253-AED 900 0,320 0,550 1,2 1 : 1.693 11,5 2500
UA8254-AED 900 0,320 0,440 1,0 1 : 1.308 11,5 2500
UA8255-AED 900 0,320 0,670 1,7 1 : 2 11,5 2500
Hinweise
  1. Inductance is for primary windings measured at 10 kHz, 0.05 Vrms, 0 Adc.
  2. Leakage inductance measured between pins 1 and 3 at 100 kHz, 0.1 Vrms with secondary pins shorted.
  3. Volt-time product is for the primary, between pin 1 and 3.
  4. One minute isolation (hipot) primary windings to secondary windings.

Anschlüsse:

  • RoHS tin-silver-copper over tin over nickel over phos bronze.

Verpackung:

  • 1000 per 13″ reel. Plastic tape: 24 mm wide, 0.4 mm thick, 12 mm pocket spacing, 4.6 mm pocket depth.
Umwelt/Umgebung
Umwelt/Umgebung:
RoHS-konform , Halogenfrei
Umgebungstemperaturbereich:
–40°C to +125°C
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):

Pläne/Diagramme

ua825xs.gif

Physikalische Eigenschaften

ua825xd.gif

dims_inches_mm.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 part_or_c.gif
1000 330 100 13 30,4 24,4 24 12 4 2 4,6 0,4

Allgemeine Spezifikation

Kernmaterial:
Ferrite
Gewicht:
0.3 – 0.4 g
Verpackung:
1000 per 13″ reel. Plastic tape: 24 mm wide, 0.4 mm thick, 12 mm pocket spacing, 4.6 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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