E Series Heatsinks For TO-220 devices F eat u res • Vertical through-hole PCB mounting • 0.142 in. diameter mounting holes (3) Ohmite Resistor Series Surface Area (in2) Weight Heat sink: Aluminum 6063-T5 or equivalent with either black anodized or degreased finish Solder feet: Tin plated brass Interface thermal resistance: for improvement, use thermal joint compound or 0.005 Grafoil (TGon 800 by Laird) Interface electrical isolation: Sil-Pad 900S by Bergquist or equivalent Mounting Surf. Temp. Rise above Ambient (°C) Package type to be heatsinked RoHS Compliant EV-T220-51E Finish A = black anodized V = degreased 4 6 Heat Dissipated (watts) S tandard p art n u m b ers F or E S eries Part Number Description Heat sink for TO-220, no finish (degreased) Heat sink for TO-220, black anodized Bulk Bulk Heat sink for TO-220, no finish (degreased) Heat sink for TO-220, black anodized Bulk Bulk Heat sink for TO-220, no finish (degreased) Heat sink for TO-220, black anodized Bulk Bulk 1-866-9-OHMITE • Int’l 1-847-258-0300 • Fax 1-847-574-7522 • www.ohmite.com • [email protected] Thermal Resistance from Mounting Surface to Ambient (°C/watts)