F and R Series Heatsinks For TO-218, TO-220 and TO-247 devices 1.638" (41.6mm) 0.47" (12.0mm) 0.059" (1.5mm) 0.98" (25.0mm) 0.98" (25.0mm) 0.669" (17.0mm +0.2/-0) 0.98" (25.0mm) 1.65" (42.0mm) R Series F Series ø0.14" (3.6mm) ø0.125" ±.004 (3.17mm ±0.1) (no top hole on FA-T220-25E) H ±0.56mm H ±0.56mm 1.000" (25.4mm) 0.75" (19.1mm) ø0.091" (2.3mm) Heatsink Part Number RA-T2X-25E RA-T2X-38E RA-T2X-51E RA-T2X-64E FA-T220-25E FA-T220-38E FA-T220-51E FA-T220-64E For Package Type TO-220, -218, -247 TO-220, -218, -247 TO-220, -218, -247 TO-220, -218, -247 TO-220, -218, -247 TO-220, -218, -247 TO-220, -218, -247 TO-220, -218, -247 T2X = R Series T220 = F Series F e at u r e s • For vertical mounting with solderable pins • For TO-220, TO-218, TO-247 S p e c i f i cat i ons Finish: Black anodized Material: 6063-T5 aluminum Solder: 100% Tin (Sn) PC board attachement: 0.091” dia. pre-tinned pins. S tandard p art n u m b ers F or F and R S eries RoHS Compliant RA-T2X-25E Finish A = black anodized V = degreased 1.000" (25.4mm ±0.1) Ohmite Surface Thermal Resistor Area Resistance* 2 Series (mm ) Weight (g) (°C/W) TBH25,TCH35, TEH70, TEH100 8,901 25 4.8 TBH25,TCH35, TEH70, TEH100 12,983 38 3.9 TBH25,TCH35, TEH70, TEH100 17,065 51 3.5 TBH25,TCH35, TEH70, TEH100 21,148 63 3.1 TBH25,TCH35, TEH70, TEH100 9,285 18 4.7 TBH25,TCH35, TEH70, TEH100 13,756 27 3.8 TBH25,TCH35, TEH70, TEH100 18,222 37 3.4 TBH25,TCH35, TEH70, TEH100 22,814 46 3 *Natural convection O R D E R I N G I N F O R M AT I O N Series F or R 0.138" (3.5mm +.3/-.1) 0.437" (11.1mm) ø0.091" (2.3mm) 1.000" (25.4mm ±0.1) Height (in. ±.010 / mm ±.25) 1.0/25.4 1.5/38.1 2.0/50.8 2.5/63.5 1.0 / 25.4 1.5 / 38.1 2.0 / 50.8 2.5 / 63.5 0.720" 0.520" (18.3mm) (13.2mm) 0.370" (9.4mm) Height (mm) Part Number Description RA-T2X-25E RA-T2X-38E RA-T2X-51E RA-T2X-64E Heat Heat Heat Heat sink sink sink sink 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, Black Anodized Bulk Black Anodized Bulk Black Anodized Bulk Black Anodized Bulk Packaging FA-T220-25E FA-T220-38E FA-T220-51E FA-T220-64E Heat Heat Heat Heat sink sink sink sink 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, Black Anodized Bulk Black Anodized Bulk Black Anodized Bulk Black Anodized Bulk H e at D i ss i pat i on 300 400 500 600 700 800 900 1000 5 H = 1" H = 1.5" H = 2" H = 2.5" 90 80 Case Temp. Rise above Ambient (oC) F Series Air Velocity (ft./min.) 200 4.5 4 70 3.5 60 3 50 2.5 40 2 30 1.5 20 1 10 0.5 0 0 0 2 4 6 8 10 12 14 Heat Dissipated (watts) 16 18 20 100 0 100 Air Velocity (ft./min.) 200 300 400 500 600 700 800 900 1000 5 H = 1" H = 1.5" H = 2" H = 2.5" 90 80 4.5 4 70 3.5 60 3 50 2.5 40 2 30 1.5 20 1 10 0.5 0 Thermal Resistance from Mounting Surface to Ambient (oC/watts) 100 Thermal Resistance from Mounting Surface to Ambient (oC/watts) 100 0 Case Temp. Rise above Ambient (oC) R Series 0 0 2 4 6 8 10 12 14 Heat Dissipated (watts) 16 18 20 Ohmite Mfg. Co. 1600 Golf Rd., Rolling Meadows, IL 60008 • 1-866-9-OHMITE • Int’l 1-847-258-0300 • Fax 1-847-574-7522 • www.ohmite.com • [email protected] 1