... 4)RoHs Cert DT Series, SPDT,SMT,Thru-Hole,Tri-state Dip Switch We have years of production experience ... can give you our best resolves.SPDT,SMT,THRU-HOLE,TRI-STATE DIP SWITCH MATERIALS1).Base:PPS(UL94V-0), Black2 ... or Gold Plated5).Tape Sealed:Polyester FilmRoHS Compliant spdt tri-state dip switch with high qualityOur advantage1.All kinds ... your time DT Series, SPDT,SMT,Thru-Hole,Tri-state Dip Switch