VM3-038-1AE Ohmite

VM Series Variable Mount Heatsink Series Ohmite introduces this new versatile heatsink design. This new design can accommodate several different industry packages. This design also lets the customer choose a mounting style using screws or clips for secure mounting to the heatsink. These one of a kind heatsinks are offered in a vertical (free con- Horizonral vection cooling) or horizontal format (forced convec- Vertical Mounting Style Mounting Style tion cooling) to fit customer applications. SerieS SPeciFicatiONS Heatsink Surface Area Weight Length L or Surface 2 2 Part Number Mount (in / mm ) (oz / g) Height H (mm) Finish VM1-038-1AE vertical VM2-038-1AE horizontal 39.6 / 25,546 1.48 / 42 38.6 anodized VM3-038-1AE* universal *Discontinued characteriSticS Heat Sink Aluminum Alloy 6063-T5 or Equivalent with either degreased or black anodized finish Cold-rolled Steel, Per ASTM A-366 with pure tin over copper Solder Foot strike. RoHS compliant. Barbed for secure attachment Interface Thermal for improvement, use thermal joint compound, 0.005 Grafoil Resistance (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 Heat Dissipation Air Velocity (ft./min.) 0 100 200 300 400 500 600 700 800 80 1.6 70 1.4 60 1.2 1.0 50 0.8 40 0.6 30 0.4 20 0.2 10 0 0 0 5 10 15 20 Heat Dissipated (watts) (continued) 1-866-9-OHMITE Intl 1-847-258-0300 Fax 1-847-574-7522 www.ohmite.com info ohmite.com 169 Mounting Surface Temp. Rise above Ambient (C) Thermal Resistance from Mounting Surface to Ambient (C/watts)VM Series Variable Mount Heatsink Series diMeNSiONS (in./mm) Vertical Configuration Horizontal Configuration 0.42 0.142 (10.6mm) (3.6mm) 0.08 (2mm) 1.52 0.73 (38.6mm) (18.6mm) 1.56 (39.6mm) 2.36 0.138 (60.0mm) 0.105 pth 0.091 (3.5mm) user (2.67mm) (2.3mm) defined 0.105 pth 1.72 (2.67mm) (43.8mm) 1.52 1.36 (38.6mm) (34.6mm) 1.56 2.36 (39.6mm) 0.08 (60.0mm) (2.0mm) Horizontal Configuration Vertical Configuration 0.42 0.142 (10.6mm) (3.6mm) 0.08 (2mm) 1.52 0.73 (38.6mm) (18.6mm) 1.56 (39.6mm) 2.36 0.138 (60.0mm) 0.105 pth 0.091 (3.5mm) user (2.67mm) (2.3mm) defined 0.105 pth 1.72 (2.67mm) (43.8mm) 1.52 1.36 (38.6mm) (34.6mm) 1.56 2.36 (39.6mm) 0.08 (60.0mm) (2.0mm) hOw tO Order Finish A = black anodized V = degreased VM1-038-1AE RoHS compliant Series Mount Length Configuration 1 = Vertical (mm) 1 = 1 hole (TO-247, TO-220) 2 = Horizontal 3 = Universal (discontinued) rev 10/21-1 170 1-866-9-OHMITE Intl 1-847-258-0300 Fax 1-847-574-7522 www.ohmite.com info ohmite.com 1.08 (27.5mm) 0.98 (25mm) 1.52 0.98 (38.6mm) 1.08 (25.0mm) (27.5mm) 0.157 0.98 (4.0mm) (25mm) 1.52 0.98 (38.6mm) (25.0mm) 0.157 (4.0mm)