DTSM-6 SMT Tactile Switches Diptronics DTSM-6 SMT Tactile Switches are 6x6mm surface mount type tact switches with optional ground pin. Diptronics DTSM-6 tact switches feature a 50mA, 12VDC contact rating and 100mΩ maximum contact resistance. These tactile switches are ideal for use in audio and office automation equipment, instrumentation, communication, and white goods.