The MRF 630-AMMO from Bel Fuse Inc. is a 630 mA, 250 V AC/DC board-mount fuse with through-hole radial, can, vertical terminations (cartridge style excluded).
The MRF6S19060NBR1 from Freescale Semiconductor is a Radio Frequency power MOSFET rated 28 V and 610 mA, operating at 1.93 GHz with 16 dB gain and 12 W output, in a TO-272 WB-4 package.