Assmann WSW A-USB A/B/SMT USB 2.0 Sockets – Assmann WSW A-USB B/SMT, This A-USB B/SMT USB 2.0 Socket from Assmann WSW is a USB B socket designed for printed circuit boards. Manufactured to a high standard and fitted with a brass shell (t=0.3) and nickel plated finish, this right-angled, SMD version offers 1000MΩ min. insulation resistance, plus a 500V AC withstanding voltage (for one minute). Assmann WSW A-USB B/SMT USB 2.0 Socket