SMA4F18AH,400W, 21.2V, 5%, UNIDIRECTIONAL,
SMA4F18AH MWG,400W, 17.65V, 5%, UNIDIRECTIONAL
SMA4F18AY,TVS DIODE 18VWM 29.2VC SMAFLAT
SMA4F20A,TVS DIODE 20VWM 42.8VC SMAFLAT
SMA4F20AH,400W, 23.6V, 5%, UNIDIRECTIONAL,
SMA4F20AH MWG,400W, 23.55V, 5%, UNIDIRECTIONAL
SMA4F20AY,TVS DIODE 20VWM 32.4VC SMAFLAT
SMA4F21AH,400W, 24.7V, 5%, UNIDIRECTIONAL,