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SMT Planar Transformer for
Texas Instruments LM5033

  • Developed for Texas Instruments LM5033 PWM Controller
  • For push-pull, half-bridge and full-bridge topologies
  • Ideal for Intermediate bus converters (IBC)
  • 1500 Vrms isolation, primary to secondary windings
  • RoHS-compliant. 260°C compatible. Matte tin over nickel over brass terminations.

SPECIFICATIONS


Part number1
Click to get parts
Output
power
(W)
Input
voltage
range (V)
Output
voltage
nom (V)
Output
current
(A peak)
Primary
L min2
(µH)
Leakage
L max3
(µH)
DCR max4
(mOhms)
Turns ratio5
pri : sec : aux
B0853-AL_ 200 40 – 60 10 20 46.8 0.10 Pri: 10.4
Sec: 4.0
Aux: 160.0
: 4 : 4
1 When ordering, please specify packaging code: e.g. B0853-ALD
Packaging: D = 13" machine-ready reel
EIA 481 embossed plastic tape (200 parts per full reel).
B = Less than full reel
In tape, but not machine-ready. To have a leader and trailer added ($25 charge), use code letter D instead.
2 Inductance measured on an Agilent/HP 4284 between pins 3 and 4 at 250 kHz, 0.1 Vrms, 0 Adc
3 Leakage inductance measure between pins 3 and 4 at 100 kHz, 0.1 Vrms, 0 Adc with pins 6 and 10 shorted.
4 DCR at 25°C. For other operating temperatures, use this DCR at Temperature calculator.
5 Turns ratio is with the secondary windings connected in series.
6 Ambient temperature range: −40°C to +85°C
7 Storage temperature range: Component: −40°C to +85°C
Tape and reel packaging: −40°C to +80°C
8 Resistance to soldering heat: Three reflows at >217°C for 90 seconds (+260°C ±5°C for 20 – 40 seconds), allowing parts to cool to room temperature between.
9 Electrical specifications at 25°C.
Refer to Soldering Coilcraft Components before soldering.
PCB washing: Tested to MIL-STD-202 Method 215 plus an additional aqueous wash. More info

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Updated: April 11, 2017