SXLP 50Ω SMD Low Pass Filter Mini-Circuits SXLP 50Ω SMD Low Pass Filter offers high rejection and sharp cut-off within a DC to 10MHz passband and -40°C to +85°C temperature range. The aqueous washable, shielded HF1139 packaged filter features a 0.03dB to 63.37dB insertion loss range and 0.16dB to 32.90dB return loss. Applications include defense communications, receivers/transmitters, and harmonic rejection.