ACT45B-510-2P-TL003

ACT45B-510-2P-TL003 is an automotive common-mode choke from TDK's ACT45B series — wire-wound, AEC-Q200 qualified, in a 4.5 x 3.2 x 2.8 mm case (EIA 1812), and TDK's Product Center record for this exact part lists its status as Production. The electrical figures from TDK's record: common-mode impedance 2.8 kΩ typical and 1 kΩ minimum at 10 MHz, common-mode inductance 51 µH at 100 kHz (reference), rated current 200 mA, rated voltage 50 V DC, DC resistance 1 Ω maximum, insulation resistance 10 MΩ minimum, across −40 °C to +150 °C. The TL003 suffix is the packing: embossed plastic taping on a 330 mm reel at 2,500 pieces. The selection point is CAN and automotive signal-line noise suppression with a +150 °C ceiling — the part sits on the data lines, not the power rail. Selection advice: common-mode impedance is quoted at 10 MHz; check TDK's impedance curve against your noise spectrum rather than designing to the single point, and keep the 2P two-line configuration in the full code when you quote.