EV-T220-38E 查看數據表（PDF） - Unspecified

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EV-T220-38E

E Series Heatsinks For TO-220 devices

Unspecified 

E Series Heatsinks

For TO-220 devices

F e a t u r es

• Vertical through-hole PCB mounting

• 0.142 in. diameter mounting holes (3)

S E RI E S S P E CI F ICATI O N S

For

Ohmite

Surface

Heatsink

Part Number

Package

Type

Resistor

Series

Area

(in2)

Weight

EEVA--TT222200--3388EE TO -220 TB H25, TCH35 11.5 0.63 oz/18g

EEAV--TT222200--5511EE TO -220 TB H25, TCH35 15.2 0.85 oz/24g

EEAV--TT222200--6644EE TO -220 TB H25, TCH35 18.8 1.06 oz/30g

*Natural convection at 10W dissipation

Thermal

Resistance*

(°C/W)

11.4

9.5

9.0

7.5

7.4

6.2

characteristics

Heat sink Aluminum 6063-T5 or equiv-

alent with either black anod-

ized or degreased finish

Solder feet Tin plated brass

Interface for improvement, use thermal

thermal joint compound or 0.005

resistance Grafoil (TGon 800 by Laird)

Interface Sil-Pad 900S by Bergquist or

electrical equivalent

isolation

Heat Dissipation

0

100

200

-E38

80

-E51

60

-E64

40

Air Velocity (ft./min.)

400

600

20

800

1000

10

-E38

8

-E51

6

-E64

4

2

0

0

0

2

4

6

8

10

Heat Dissipated (watts)

174

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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