Road vehicle electronic and electrical component large current injection immunity capability verification device

The utility model discloses a road vehicle electronic and electrical component large current injection immunity capability verification device comprising a simulation load which is a standard impedance packaged inside and invisible outside, the frequency range of the simulation load covers DC-4GHz, the maximum standing-wave ratio is 1.25, and the simulation load is a standard impedance packaged inside and invisible outside. The capability verification device further comprises a coaxial line matched with the impedance of the standard impedance, and an outer conductor and an inner conductor at one end of the coaxial line are connected with the two ends of the standard impedance respectively. The device can output stable impedance in a large current injection immunity test process, is beneficial to enhancing the credibility of a capability verification result, and is simple in structure, low in cost, small in size, convenient to transport, reusable and very suitable for various capability verification activities