F and R Series Heatsinks
For TO-218, TO-220 and TO-247 devices
0.47" (12.0mm) 1.638" (41.6mm) 0.059" (1.5mm) 0.98" (25.0mm) 0.98" (25.0mm) 0.98" (25.0mm) 1.65" (42.0mm) 0.669" (17.0mm +0.2/-0)
F Series
R 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)
0.370" (9.4mm) 0.437" (11.1mm) 1.000" (25.4mm ±0.1)
0.720" 0.520" (18.3mm) (13.2mm) 0.138" (3.5mm +.3/-.1)
ø0.091" (2.3mm)
1.000" (25.4mm ±0.1)
ø0.091" (2.3mm)
FeATuReS
• For vertical mounting with solderable pins • For TO-220, TO-218, TO-247
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
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
For Package Type TO-220, -218, -247 TO-220, -218, -247 TO-220, -218, -247 TO-220, -218, -247 TO-220 TO-220 TO-220 TO-220
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 9,285 18 4.7 TBH25,TCH35 13,756 27 3.8 TBH25,TCH35 18,222 37 3.4 TBH25,TCH35 22,814 46 3 *Natural convection
SPeCiFiCATiONS
Finish: Black anodized Material: 6063-T5 aluminum Solder: 100% Tin (Sn) PC board attachement: 0.091” dia. pre-tinned pins.
O R D E R I N G I N F O R M AT I O N
Series F or R T2X = R Series T220 = F Series RoHS Compliant
S TA N D A R D pA RT N u M b E R S F O R F A N D R S E R I E S
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 Description Heat Heat Heat Heat Heat Heat Heat Heat sink sink sink sink 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, for TO-220, for TO-220, for TO-220, for TO-220, Black Anodized Black Anodized Black Anodized Black Anodized Black Anodized Black Anodized Black Anodized Black Anodized Packaging Bulk Bulk Bulk Bulk Bulk Bulk Bulk Bulk
RA-T2X-25E
Finish A = black anodized V = degreased Height (mm)
HeAT DiSSiPATiON
R Series
100 90 80 Case Temp. Rise above Ambient ( C) 70 60 50 40 30 20 10 0 0 2 4 6 8 10 12 14 Heat Dissipated (watts) 16 18 20 0 100 200 Air Velocity (ft./min.) 300 400 500 600 700 800 900 1000 5 Thermal Resistance from Mounting Surface to Ambient ( C/watts) 4.5 4 3.5 3 2.5 2 1.5 1 0.5 0
F Series
100 90 80 Case Temp. Rise above Ambient ( C) 70 60 50 40 30 20 10 0 0 2 4 0 100 200
Air Velocity (ft./min.) 300 400 500 600 700 800 900 1000 5 Thermal Resistance from Mounting Surface to Ambient ( C/watts) 4.5 4 3.5 3 2.5 2 1.5 1 0.5 0 6 8 10 12 14 Heat Dissipated (watts) 16 18 20
H = 1" H = 1.5" H = 2" H = 2.5"
H = 1" H = 1.5" H = 2" H = 2.5"
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 • info@ohmite.com
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