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UA8263-AL Flyback Transformer

for Texas Instruments TIDA-01344

RoHS compliant AEC-Q flag
  • Three output versions optimized for typical design applications for
    Texas Instruments TIDA-01344 Flyback Converter
  • AEC-Q200 Grade 1 (−40°C to +125°C)
  • Operates up to 333 kHz
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Typical Application

Works with Texas Instruments TIDA-01344

Input Voltage Output 1 Power Fsw
Sec Aux
10 V 80 V 12 V , 2 A 13 V , 0.05 A 24 W 333 kHz


Electrical specifications at 25°C.

Part number
(Hover for schematics)
at 0A (µH) 2
(Tolerance: ±10%)
min at   3.6 A (µH)
DCR max (Ω) Leakage
max (µH) 3
Turns Ratio Isolation
Voltage (Vrms) 4
Pri Sec Aux Pri : Sec : Aux
UA8263-AL 35.0 31.5 0.010 0.009 0.090 0.170 1 : 0.5 : 0.5 3000
  1. Output of the auxiliary winding is 13 V, 50 mA.
  2. Inductance is for the primary, measured at 333.33 kHz, 0.1 Vrms, 0 Adc.
  3. Leakage inductance is for the primary winding with all other windings shorted.
  4. 3000 Vrms, one minute isolation (hipot) from pri and aux to sec.
    1500 Vrms all pins to the core.


  • RoHS-compliant. 260°C compatible. Tin-silver-copper over tin over nickel over phos bronze.
RoHS compliant
Ambient temperature range:
–40°C to +125°C
Storage temperature range:
Component: –40°C to +165°C
Tray packaging: –40°C to +80°C
Maximum part temperature:
+165°C (ambient + temp rise).
Failures in Time (FIT) / Mean Time Between Failures (MTBF):
38 per billion hours / 26,315,789 hours, calculated per Telcordia SR-332



Connect pins 1 to 2, 3 to 4, 7 to 8,
and 11 to 12 to PC board.

Physical characteristics



General specification

Core Material:
27.5 g
24 per tray


Moisture Sensitivity Level (MSL):
1 (unlimited floor life at <30°C / 85% relative humidity)
Resistance to soldering heat:
Max three 40 second reflows at +260°C, parts cooled to room temperature between cycles
Refer to Soldering Coilcraft Components before soldering.
PCB Washing:
Tested to MIL-STD-202 Method 215 plus an additional aqueous wash. More info.