100% field original channel patch tube 100V in channel new 30pcs stock TO-252 19A MOS N effect 100% field original channel patch tube 100V in channel new 30pcs stock TO-252 19A MOS N effect 100% field original channel patch tube 100V in channel new 30pcs stock TO-252 19A MOS N effect 100% field original channel patch tube 100V in channel new 30pcs stock TO-252 19A MOS N effect 100% field original channel patch tube 100V in channel new 30pcs stock TO-252 19A MOS N effect 100% field original channel patch tube 100V in channel new 30pcs stock TO-252 19A MOS N effect 100% field original channel patch tube 100V in channel new 30pcs stock TO-252 19A MOS N effect 100% field original channel patch tube 100V in channel new 30pcs stock TO-252 19A MOS N effect