240-118ABHE-22

BOARD LEVEL HEAT SINKS BOARD LEVEL HEAT SINKS BOARD LEVEL POWER SEMICONDUCTOR HEAT SINKS LOW-COST, LOW-HEIGHT WAVE-SOLDERABLE HEAT SINKS 273 SERIES Height Above PC Board in. (mm) Standard P/N 273-AB 273-ABE-01 273-ABE-02 .375 (9.5) .375 (9.5) .375 (9.5) TO-220 and TO-218 LABOR-SAVING TWISTED FIN HEAT SINKS TO-220 240 SERIES Thermal Performance at Typical Load Footprint Dimensions Mounting Solderable Mounting Natural Forced in. (mm) Configuration Tab Options Style Convection Convection .750 (19.1) x .750 (19.1) .750 (19.1) x .750 (19.1) .750 (19.1) x .750 (19.1) Vert./Horiz. Vertical Vertical No Tab 01 02 Mtg Hole Mtg Hole Mtg Hole 49°C @ 2W 49°C @ 2W 49°C @ 2W 7.2°C/W @ 400 LFM 7.2°C/W @ 400 LFM 7.2°C/W @ 400 LFM Material: Aluminum, Black Anodized NATURAL AND FORCED CONVECTION CHARACTERISTICS MECHANICAL DIMENSIONS Standard P/N Thermal Performance at Typical Load Height Above Footprint PC Board Dimensions Mounting Solderable Mounting Natural Forced in. (mm) in. (mm) Configuration Tab Options Style Convection Convection 240-118ABEH-22 1.180 (30.0) 240-118ABES-22 1.180 (30.0) 1.000 (25.4) x .500 (12.7) 1.000 (25.4) x .500 (12.7) Vertical Vertical 22 22 Clip/Mtg Hole Clip/Mtg Slot 55°C @ 4W 55°C @ 4W 5.3°C/W @ 400 LFM 5.3°C/W @ 400 LFM Material: Aluminum, Black Anodized MECHANICAL DIMENSIONS NATURAL AND FORCED CONVECTION CHARACTERISTICS 273-AB 273-AB-01 273-AB-02 Dimensions: in. (mm) 240-118ABS-22 TO-220 LOW-COST, LOW-HEIGHT WAVE-SOLDERABLE HEAT SINKS Standard P/N 274-1AB 274-1ABE-01 274-1ABE-02 274-2AB 274-2ABE-01 274-2ABE-02 274-3AB 274-3ABE-01 274-3ABE-02 281-1AB 281-2AB 274 & 281 SERIES 240-118ABH-22 242 SERIES Thermal Performance at Typical Load Height Above Footprint PC Board Dimensions Mounting Solderable M ounting Natural Forced in. (mm) in. (mm) Configuration Tab Options Style Convection Convection .375 (9.5) .375 (9.5) .375 (9.5) .500 (12.7) .500 (12.7) .500 (12.7) .250 (6.4) .250 (6.4) .250 (6.4) .375 (9.5) .500 (12.7) .520 (13.2) x .750 (19.1) .520 (13.2) x .750 (19.1) .520 (13.2) x .750 (19.1) .520 (13.2) x .750 (19.1) .520 (13.2) x .750 (19.1) .520 (13.2) x .750 (19.1) .520 (13.2) x .750 (19.1) .520 (13.2) x .750 (19.1) .520 (13.2) x .750 (19.1) .520 (13.2) x .750 (19.1) .520 (13.2) x .750 (19.1) Vert./Horiz. Vertical Vertical Vert./Horiz. Vertical Vertical Vert./Horiz. Vertical Vertical Vertical Vertical No Tab 01 02 No Tab 01 02 No Tab 01 02 No Tab No Tab Mtg Hole Mtg Hole Mtg Hole Mtg Hole Mtg Hole Mtg Hole Mtg Hole Mtg Hole Mtg Hole Mtg Hole Mtg Hole 56°C @ 2W 56°C @ 2W 56°C @ 2W 50°C @ 2W 50°C @ 2W 50°C @ 2W 62°C @ 2W 62°C @ 2W 62°C @ 2W 56°C @ 2W 50°C @ 2W 8.0°C/W @ 400 LFM 8.0°C/W @ 400 LFM 8.0°C/W @ 400 LFM 7.0°C/W @ 400 LFM 7.0°C/W @ 400 LFM 7.0°C/W @ 400 LFM 9.0°C/W @ 400 LFM 9.0°C/W @ 400 LFM 9.0°C/W @ 400 LFM 8.0°C/W @ 400 LFM 7.0°C/W @ 400 LFM Dimensions: in. (mm) Standard P/N LOW-COST, LOW-HEIGHT WAVE-SOLDERABLE HEAT SINKS TO-220 Thermal Performance at Typical Load Height Above Footprint PC Board Dimensions Mounting Solderable Mounting Natural Forced in. (mm) in. (mm) Configuration Tab Options Style Convection Convection 242-125ABE-22 1.285 (32.6) .875 (22.2) x .250 (6.4) Vertical 22 Mtg Hole 48°C @ 2W 6.2°C/W @ 400 LFM Material: Aluminum, Black Anodized Material: Aluminum, Black Anodized 242-125AB-22 MECHANICAL DIMENSIONS 274-XAB-01 274 SERIES MECHANICAL DIMENSIONS NATURAL AND FORCED CONVECTION CHARACTERISTICS NATURAL AND FORCED CONVECTION CHARACTERISTICS 274-XAB-02 281 SERIES Dimensions: in. (mm) Dimensions: in. (mm) 56 wakefield-vette.com Contact us: (603) 635-2800 57