NA556N , 555 Type, Timer/Oscillator (Dual) IC 14-DIP (0.300", 7.62mm). we specialize in Hotenda NA556N electronic components. NA556N can be shipped within 24 hours after order.
NA556D , 555 Type, Timer/Oscillator (Dual) IC 14-SOIC (0.154", 3.90mm Width). we specialize in Hotenda NA556D electronic components. NA556D can be shipped within 24 hours after order.