RA-T2X-25E Datasheet, PDF (1/1 Pages) Ohmite Mfg. Co. – F and R Series Heatsinks

F and R Series Heatsinks
For TO-218, TO-220 and TO-247 devices
0.47"
(12.0mm)
R Series
0.98"
(25.0mm)
1.65"
(42.0mm)
0.98"
(25.0mm)
ø0.14"
(3.6mm)
1.638"
(41.6mm)
0.059"
(1.5mm)
0.669"
(17.0mm
+0.2/-0)
H ±0.56mm
0.75"
(19.1mm)
ø0.091"
(2.3mm)
1.000"
(25.4mm ±0.1)
0.370"
(9.4mm)
ø0.091"
(2.3mm)
0.437"
(11.1mm)
1.000"
(25.4mm ±0.1)
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 For
(in. ±.010 / Package
mm ±.25) Type
Ohmite
Resistor
Series
Surface
Thermal
Area
Resistance*
(mm²) Weight (g) (°C/W)
1.0/25.4 TO-220, -218, -247 TBH25,TCH35, TEH70, TEH100 8,901
25
4.8
1.5/38.1 TO-220, -218, -247 TBH25,TCH35, TEH70, TEH100 12,983
38
3.9
2.0/50.8 TO-220, -218, -247 TBH25,TCH35, TEH70, TEH100 17,065
51
3.5
2.5/63.5 TO-220, -218, -247 TBH25,TCH35, TEH70, TEH100 21,148
63
3.1
1.0 / 25.4 TO-220, -218, -247 TBH25,TCH35, TEH70, TEH100 9,285
18
4.7
1.5 / 38.1 TO-220, -218, -247 TBH25,TCH35, TEH70, TEH100 13,756
27
3.8
2.0 / 50.8 TO-220, -218, -247 TBH25,TCH35, TEH70, TEH100 18,222
37
3.4
2.5 / 63.5 TO-220, -218, -247 TBH25,TCH35, TEH70, TEH100 22,814
46
3
*Natural convection
0.98"
(25.0mm)
F Series
ø0.125" ±.004
(3.17mm ±0.1)
(no top hole on
FA-T220-25E) _{H ±0.56mm}
1.000"
(25.4mm)
0.720"
0.520" ^(18.3mm)
(13.2mm)
0.138"
(3.5mm +.3/-.1)
F e at u r e s
• For vertical mounting with sol-
derable pins
• For TO-220, TO-218, TO-247
S p e c i f i cat i ons
Finish: Black anodized
Material: 6063-T5 aluminum
Solder: 100% Tin (Sn)
PC board attachement: 0.091”
dia. pre-tinned pins.
ORDERING INFORMATION
Series
F or R
T2X = R Series
T220 = F Series RoHS Compliant
RA-T2X-25E
Finish
A = black anodized
V = degreased
Height
(mm)
S tandard p art n u m b ers F or F and R S eries
Part Number Description
Packaging
RA-T2X-25E Heat sink for TO-220, TO-218, TO-247, Black Anodized Bulk
RA-T2X-38E Heat sink for TO-220, TO-218, TO-247, Black Anodized Bulk
RA-T2X-51E Heat sink for TO-220, TO-218, TO-247, Black Anodized Bulk
RA-T2X-64E Heat sink for TO-220, TO-218, TO-247, Black Anodized Bulk
FA-T220-25E Heat sink for TO-220, TO-218, TO-247, Black Anodized Bulk
FA-T220-38E Heat sink for TO-220, TO-218, TO-247, Black Anodized Bulk
FA-T220-51E Heat sink for TO-220, TO-218, TO-247, Black Anodized Bulk
FA-T220-64E Heat sink for TO-220, TO-218, TO-247, Black Anodized Bulk
H e at D i ss i pat i on
R Series
Air Velocity (ft./min.)
0 100 200 300 400 500 600 700 800 900 1000
100
5
90
H = 1"
H = 1.5"
4.5
80
H = 2"
4
H = 2.5"
70
3.5
60
3
50
2.5
40
2
30
1.5
20
1
10
0.5
0
02
0
4 6 8 10 12 14 16 18 20
Heat Dissipated (watts)
F Series
Air Velocity (ft./min.)
0 100 200 300 400 500 600 700 800 900 1000
100
5
H = 1"
90
H = 1.5"
4.5
80
H = 2"
4
H = 2.5"
70
3.5
60
3
50
2.5
40
2
30
1.5
20
1
10
0.5
0
02
0
4 6 8 10 12 14 16 18 20
Heat Dissipated (watts)
Ohmite Mfg. Co. 1600 Golf Rd., Rolling Meadows, IL 60008 • 1-866-9-OHMITE • Int’l 1-847-258-0300 • Fax [phone] • www.ohmite.com • [e-mail] 1