Diotec latest demoboard 3991 comes into play. It is equipped with the TVS diode LDP02-28AYD2-AQ, offering defined load dump protection, a peak pulse power of 6 600 W and an ESD immunity of +/- 30 kV per air and contact discharge (HBM). It comes in the industry standard TO-263AB/D²PAK outline, which allows an optimized cost/performance ratio. The demoboard further contains a fully workable USB charger circuit; therefore, it can be used to test all kinds of surge pulses and their effect on the circuit, but also for any kind of USB load.You can find more details by the following PDF: