B60 OHMITE | Alldatasheet
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1-866-9-OHMITE • Int’l 1-847-258-0300 • Fax 1-847-574-7522 • www.ohmite.com • info@ohmite.com166 B60/C60 Series Heat Sink System Ohmite introduces the powerful B60/ C60 series heatsink with cam clip (Pat. Pending) or custom mounting. This series offers flexible, high performance and compact heat sink with exchange- able cam clip system for TO-220, TO-247, and TO-264 devices. The built in lip is provided for mounting ease. The optional B series can be tapped for popu- lar Ohmite resistors or other devices. These powerful heat sinks can be thru- hole soldered as a single or dual unit. The dual unit can be mated to a 60mm fan for greater thermal performance. It is the ideal type of heat sink for high power density and small size (3U or 4U) elec- tronic packaging with forced convection. CharaCteriStiCS Heat Sink Aluminum Alloy 6063-T5 or Equivalent with either degreased or black anodized finish. Spring Clip Music Wire, Per ASTM A228 with bright nickel plating Solder Foot Cold-rolled Steel, Per ASTM A-366 with pure tin over copper strike. RoHS compliant. Fan 60mm fan with 4 self-tapping M3 screws Interface Thermal Resistance For improvement, use thermal joint compound, 0.005 Grafoil (TGon 800 by Laird), or phase change material (Hi-Flow by Bergquist) Insulator (Optional) Sil-Pad 900-S, K6 800-S and K10 by Bergquist Heatsink Surface Area Weight Length L Part Number (in2 / mm2) (oz / g) (mm) C60-075-VE 177 / 114,300 5.7 / 163 75 C60-075-AE B60-075-VE 177 / 114,300 5.7 / 163 75 B60-075-AE SerieS SPeCiFiCatiONS consult factory for alternate lengths and clip combinations Fan Flow Rate (cfm) 30 40 5020 Thermal Resistance from Case to Ambient per Device (oC/watts) 1.5 0.5 2 devices 4 devices Heat Dissipation (continued)
1-866-9-OHMITE • Int’l 1-847-258-0300 • Fax 1-847-574-7522 • www.ohmite.com • info@ohmite.com 167 dimeNSiONS hOw tO Order B60/C60 Series Heat Sink System 0.079" (2mm) 0.12" (3mm) 0.08" (2mm) 0.17" (4.3mm) 1.19"* (30.2mm) 1.97"* (50mm) 0.16" (3.9mm) 0.31" (8mm) 0.47" (12mm) 1.61 (41mm) 2.48" (63mm) 2.58" (65.5mm) 2.95" (75.0mm) 1.97" (50mm) 2.79" (71.0mm) 2x 0.079" (2mm) 0.049" (1.25mm) 0.12" (3mm) 0.32" (8.1mm) 2.95" 75.0mm 1.61" (41mm) 2.63" (66.7mm) 2.53" (64.2mm) 2.07" (52.7mm) 0.17" (4.3mm) 0.080" (2.03mm) 2.78" REF (70.7mm) 2.74" REF (69.5mm) LAND PATTERN 2x ø 0.11" pth (2.8mm) 6x ø 0.07" pth (1.8mm) 2x 0.08" (2.0mm) 0.18" (4.06mm) L – 0.16" (0.16mm) Clip Dimensions C60B60 0.43" (11mm) W +0.12" (+3.0mm) W 0.78" (19.8mm) 1.39" REF (35.3mm) "W" L X Y NOTE: Due to pos- sible screw torquing on long extrusions, Customer should check for coplanarity prior to final assem- bly or soldering. C60XX-058-AE Series B = without lip C = with lip Length (mm) Hole pattern (optional) Finish A = black anodized V = degreased RoHS compliant Clip series Device type T247 = TO-247 T264 = TO-264 Standard configuration RoHS compliant CLA-T247-21E Heatsink Clip