F and R Series Heatsinks For TO-218, TO-220 and TO-247 devices F e at u r e s • For vertical mounting with solderable pins • For TO-220, TO-218, TO-247 S E R IE S S P ECI F ICATI O N S Height Heatsink (in. ±.010 / Part Number mm ±.25) For Package Type Ohmite Resistor Series RA-T2X-25E 1.0/25.4 TO-220, -218, -247 TBH25,TCH35, TEH70, TEH100 RA-T2X-38E 1.5/38.1 TO-220, -218, -247 TBH25,TCH35, TEH70, TEH100 RA-T2X-51E 2.0/50.8 TO-220, -218, -247 TBH25,TCH35, TEH70, TEH100 RA-T2X-64E 2.5/63.5 TO-220, -218, -247 TBH25,TCH35, TEH70, TEH100 FA-T220-25E 1.0 / 25.4 TO-220, -218, -247 TBH25,TCH35, TEH70, TEH100 FA-T220-38E 1.5 / 38.1 TO-220, -218, -247 FA-T220-51E 2.0 / 50.8 TO-220, -218, -247 FA-T220-64E 2.5 / 63.5 TO-220, -218, -247 Surface Thermal Area Res.* (mm2) Weight (g) (°C/W) 8,901 25 4.8 12,983 38 3.9 17,065 51 3.5 21,148 63 3.1 9,285 18 4.7 TBH25,TCH35, TEH70, TEH100 TBH25,TCH35, TEH70, TEH100 TBH25,TCH35, TEH70, TEH100 *Natural convection 13,756 18,222 22,814 27 37 46 3.8 3.4 3 characteristics Finish Black anodized Material 6063-T5 aluminum Solder 100% Tin (Sn) PC board attachement 0.091” dia. pre-tinned pins. Heat Dissipation 300 400 500 600 700 800 H = 1" H = 1.5" H = 2" H = 2.5" 90 Mounting Surface Temp. Rise above Ambient (°C) F Series Air Velocity (ft./min.) 200 80 70 900 1000 5 4.5 4 3.5 60 3 50 2.5 40 2 30 1.5 20 1 10 0.5 0 0 2 4 6 8 10 12 14 Heat Dissipated (watts) 16 18 20 0 100 0 100 Air Velocity (ft./min.) 200 300 400 500 600 700 800 H = 1" H = 1.5" H = 2" H = 2.5" 90 80 70 900 1000 5 4.5 4 3.5 60 3 50 2.5 40 2 30 1.5 20 1 10 0.5 0 0 2 4 6 8 10 12 14 Heat Dissipated (watts) 16 18 20 Thermal Resistance from Mounting Surface to Ambient (°C/watts) 100 Thermal Resistance from Mounting Surface to Ambient (°C/watts) 100 0 Mounting Surface Temp. Rise above Ambient (°C) R Series 0 (continued) 176 1-866-9-OHMITE • Int’l 1-847-258-0300 • Fax 1-847-574-7522 • www.ohmite.com • [email protected] F and R Series Heatsinks For TO-218, TO-220 and TO-247 devices d i m e ns i ons (in./mm) Part Number 0.47" (12.0mm) RA-T2X-25E 1.0/25.4 RA-T2X-51E 2.0/50.8 RA-T2X-38E RA-T2X-64E FA-T220-25E 0.98" (25.0mm) FA-T220-38E 0.98" (25.0mm) R Series 1.65" (42.0mm) FA-T220-51E FA-T220-64E ø0.14" (3.6mm) 1.638" (41.6mm) 0.059" (1.5mm) 1.5/38.1 2.5/63.5 1.0 / 25.4 2.0 / 50.8 2.5 / 63.5 NOTICE: Dimensional change. Dimensions shown are for products produced after September 2012 0.75" (19.1mm) 1.000" (25.4mm ±0.25) ø0.14" (3.6mm) (no top hole on FA-T220-25E) H ±0.56mm 1.000" (25.4mm) 0.720" (18.3mm) 0.196" (5.00mm) ø0.091" (2.3mm) 0.437" (11.1mm) 1.000" (25.4mm ±0.25) or d e r i n g i nfor m a t i on Series F or R T2X = R Series T220 = F Series RoHS Compliant RA-T2X-25E Finish A = black anodized V = degreased Height (mm) Standard part numbers Part Number Description RA-T2X-25E RA-T2X-38E RA-T2X-51E RA-T2X-64E Heat Heat Heat Heat FA-T220-25E FA-T220-38E FA-T220-51E FA-T220-64E Heat Heat Heat Heat sink sink sink sink sink sink sink sink 0.98" (25.0mm) 0.669" (17.0mm +0.2/-0) 1.5 / 38.1 F Series H ±0.56mm ø0.091" (2.3mm) Height (in. ±.010 / mm ±.25) for TO-220, TO-218, TO-247, for TO-220, TO-218, TO-247, for TO-220, TO-218, TO-247, for TO-220, TO-218, TO-247, for TO-220, TO-218, TO-247, for TO-220, TO-218, TO-247, for TO-220, TO-218, TO-247, for TO-220, TO-218, TO-247, Packaging Black Anodized Black Anodized Black Anodized Black Anodized Black Anodized Black Anodized Black Anodized Black Anodized 1-866-9-OHMITE • Int’l 1-847-258-0300 • Fax 1-847-574-7522 • www.ohmite.com • [email protected] Bulk Bulk Bulk Bulk Bulk Bulk Bulk Bulk 177 0.138" (3.5mm +.3/-.1)