... spreading with dense fin,but competitive price.Various samples for testing can be available.Customized designs are accepted, Optimum design for ... lighting and New energy device, especially such as heat semiconductor ( IGBT,CPU) cooling of UPS,Inverter,PCB,AC drivers and Transducer ... screws isn't possible.Kindly,mail us for further informations. IGBT heatsink 168(W)*80(H)*355(L)mm