F and R Series Heatsinks For TO-218, TO-220 and TO-247 devices FeatuReS • For vertical mounting with solderable pins • For TO-220, TO-218, TO-247 SeRieS SPeciFicatiONS Height Surface Thermal Heatsink (in. ±.010 / Area Res.* Part Number mm ±.25) For Package Type Ohmite Resistor Series (mm2) Weight (g) (°C/W) RA-T2X-25E 1.0/25.4 TO-220, -218, -247 TBH25,TCH35, TEH70, TEH100 8,901 25 4.8 RA-T2X-38E 1.5/38.1 TO-220, -218, -247 TBH25,TCH35, TEH70, TEH100 12,983 38 3.9 RA-T2X-51E 2.0/50.8 TO-220, -218, -247 TBH25,TCH35, TEH70, TEH100 17,065 51 3.5 RA-T2X-64E 2.5/63.5 TO-220, -218, -247 TBH25,TCH35, TEH70, TEH100 21,148 63 3.1 FA-T220-25E 1.0 / 25.4 TO-220, -218, -247 TBH25,TCH35, TEH70, TEH100 9,285 18 4.7 FA-T220-38E 1.5 / 38.1 TO-220, -218, -247 TBH25,TCH35, TEH70, TEH100 13,756 27 3.8 FA-T220-51E 2.0 / 50.8 TO-220, -218, -247 TBH25,TCH35, TEH70, TEH100 18,222 37 3.4 FA-T220-64E 2.5 / 63.5 TO-220, -218, -247 TBH25,TCH35, TEH70, TEH100 22,814 46 3 *Natural convection cHaRacteRiSticS Finish Black anodized Material 6063-T5 aluminum Solder 100% Tin (Sn) PC board attachement 0.091” dia. pre-tinned pins. Heat Dissipation R Series F Series Air Velocity (ft./min.) Air Velocity (ft./min.) 0 100 200 300 400 500 600 700 800 900 1000 0 100 200 300 400 500 600 700 800 900 1000 100 5 100 5 H = 1" H = 1" Mounting Surface Temp. Rise above Ambient (C)°426978531000000000 HHH === 122.".55"" 210213434.....55555 Thermal Resistance from Mounting Surface to Ambient (C/watts)° Mounting Surface Temp. Rise above Ambient (C)°426978531000000000 HHH === 122.".55"" 210213434.....55555 Thermal Resistance from Mounting Surface to Ambient (C/watts)° 0 0 0 0 0 2 4 6 8 10 12 14 16 18 20 0 2 4 6 8 10 12 14 16 18 20 Heat Dissipated (watts) Heat Dissipated (watts) (continued) 176 1-866-9-OHMITE • Int’l 1-847-258-0300 • Fax 1-847-574-7522 • www.ohmite.com • info@ohmite.com

F and R Series Heatsinks For TO-218, TO-220 and TO-247 devices dimeNSiONS (in./mm) Height (in. ±.010 / (411.6.63m8"m ) 0.47" Part Number mm ±.25) (12.0mm) RA-T2X-25E 1.0/25.4 0.059" RA-T2X-38E 1.5/38.1 (1.5mm) RA-T2X-51E 2.0/50.8 0.98" (25.0mm) RA-T2X-64E 2.5/63.5 0.98" FA-T220-25E 1.0 / 25.4 (25.0mm) 0.669" FA-T220-38E 1.5 / 38.1 (17.0mm +0.2/-0) 0.98" FA-T220-51E 2.0 / 50.8 (25.0mm) FA-T220-64E 2.5 / 63.5 1.65" (42.0mm) ø0.14" R Series (3.6mm) F Series ø0.14" (3.6mm) (no top hole on NOTICE: FA-T220-25E) H ±0.56mm Dimensional H ±0.56mm change. Dimensions 1.000" (25.4mm) shown are for 0.75" products pro- 0.720" (19.1mm) (18.3mm) duced after 0.196" (5.00mm) September 2012 0.437" 0.138" (11.1mm) (3.5mm +.3/-.1) ø0.091" ø0.091" (2.3mm) (25.41m.0m00 ±"0 .25) (2.3mm) (25.41m.0m00 ±"0 .25) ORdeRiNg iNFORmatiON Series T2X = R Series F or R T220 = F Series RoHS Compliant R A - T 2 X - 2 5 E Finish Height A = black anodized (mm) V = degreased Standard part numbers Part Number Description Packaging RA-T2X-25E Heat sink for TO-220, TO-218, TO-247, Black Anodized Bulk RA-T2X-38E Heat sink for TO-220, TO-218, TO-247, Black Anodized Bulk RA-T2X-51E Heat sink for TO-220, TO-218, TO-247, Black Anodized Bulk RA-T2X-64E Heat sink for TO-220, TO-218, TO-247, Black Anodized Bulk FA-T220-25E Heat sink for TO-220, TO-218, TO-247, Black Anodized Bulk FA-T220-38E Heat sink for TO-220, TO-218, TO-247, Black Anodized Bulk FA-T220-51E Heat sink for TO-220, TO-218, TO-247, Black Anodized Bulk FA-T220-64E Heat sink for TO-220, TO-218, TO-247, Black Anodized Bulk 1-866-9-OHMITE • Int’l 1-847-258-0300 • Fax 1-847-574-7522 • www.ohmite.com • info@ohmite.com 177

Mouser Electronics Authorized Distributor Click to View Pricing, Inventory, Delivery & Lifecycle Information: O hmite: FA-T220-25E FA-T220-38E FA-T220-51E FA-T220-64E RA-T2X-25E RA-T2X-38E RA-T2X-51E RA-T2X-64E