BC3.5LHB0.5T BC3.5LHB0.5T LLC Half-Bridge 1:1 Transformer 3.5kW 100-250kHz 

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BC3.5LHB0.5T LLC Half-Bridge 1:1 Transformer 3.5kW 100-250kHz

Features 

•LLC resonant 3.5 kW half-bridge transformer
•Works with Lr = 6.3µH and Cr = 312nF
•Frequency range 100-250kHz
•Reinforced insulation between prim/sec and with core
•UL94 and RoHS materials (F/155°C)
•Design based on AEC-Q200
•Weight : approx 200grams

   

Application 

•Automotive EV/PHV AC/DC onboard battery chargers

Operation 

•Vin = 200-430Vdc / Vout = 200-430Vdc
•Ip = 25Arms MAX / Is = 13Arms MAX
•Operating temperature -40/+140°C with cooling (potting)
           

 L1 = LP    (100kHz/1Vac)

R1 

R2

N1:N2

L1lk   (100kHz/1Vac, N2 shorted)

{N1}/{N2+CORE}

{N2}/{CORE}

BC3.5LFB1.4  

36µH ±5%

5.3mΩ TYP (6.3mΩ MAX)

26mΩ TYP (31mΩ MAX)

1:2

0.5µH MAX

4.3kVAc/50Hz/3mA/1min*

2kVAc/50Hz/3mA/1min*

(*) 1min in qualification / 2sec in mass production

BC3.5LHB0.5T dimensions

BC3.5LHB0.5T electrical diagram