WA-T247-101E;WA-T220-101E;WV-T264-101E;WV-T220-101E;WV-T247-101E;中文规格书,Datasheet资料

1-866-9-OHMITE • Int’l 1-847-258-0300 • Fax 1-847-574-7522 • http://m.sodocs.net/doc/4d9091764431b90d6c85c7f7.html • info@http://m.sodocs.net/doc/4d9091764431b90d6c85c7f7.html

72 Ohmite Mfg. Co.

WA-T247-101E;WA-T220-101E;WV-T264-101E;WV-T220-101E;WV-T247-101E;中文规格书,Datasheet资料

M o u n t i n g S u r f a c e T e m p . R i s e

a b o v e A m b i e n t (°C )

Heat Dissipated (watts)

150

50

0200

100

250

T h e r m a l R e s i s t a n c e f r o m M o u n t i n g S u r f a c e t o A m b i e n t (°C /w a t t s )

14

6

20

84

1012Air Velocity (ft./min.)H e a t D i s s i p a t i o n

T220-101E, T247-101E and T264-101E

DT2-101E

WA-T247-101E;WA-T220-101E;WV-T264-101E;WV-T220-101E;WV-T247-101E;中文规格书,Datasheet资料

WA-T247-101E;WA-T220-101E;WV-T264-101E;WV-T220-101E;WV-T247-101E;中文规格书,Datasheet资料

WA-T247-101E;WA-T220-101E;WV-T264-101E;WV-T220-101E;WV-T247-101E;中文规格书,Datasheet资料

WA-T247-101E;WA-T220-101E;WV-T264-101E;WV-T220-101E;WV-T247-101E;中文规格书,Datasheet资料

WA-T247-101E;WA-T220-101E;WV-T264-101E;WV-T220-101E;WV-T247-101E;中文规格书,Datasheet资料

WA-T247-101E;WA-T220-101E;WV-T264-101E;WV-T220-101E;WV-T247-101E;中文规格书,Datasheet资料

The unique design (patent pending) of the W Series heat sinks combines a tin plated, solderable, integral spring clip with an extruded aluminum heat sink body for an all-in-one solution to through-hole mounting of TO-220, TO-247, and TO-264 packag -es. These self-aligning heat sinks feature solderable feet and an integrated clip with 13.2 (lbf) of force on the center of the device to enhance thermal performance.

T220-101E

T247-101E T264-101E

(4.6mm)(6.9mm)100M o u n t i n g S u r f a c e T e m p . R i s e

a b o v e A m b i e n t (°C )

Heat Dissipated (watts)

602000

12480402

81620

140T h e r m a l R e s i s t a n c e f r o m M o u n t i n g S u r f a c e t o A m b i e n t (°C /w a t t s )

620

841012

Air Velocity (ft./min.)

120F e a t u R e s

• Reduced Assembly Cost:

spring clip and auto-align feature makes fasteners and fixtures obsolete, along with stray metal filings from tapped holes

• Maximum Repeatability: clamp -ing force of the spring clip is not degraded by repeated loading and unloading

• Maximum Heat Transfer per Unit Space: maximum surface area per unit volume and con -sistent mounting force reduces thermal resistance

• Maximum Resistance to Shock and Vibration: light weight, resilient spring clip locks the

component in place and is highly resistant to shock and vibration

• Maximum Reliability: helps pre -vent short circuits by eliminating metal particles from thread tap -ping

• RoHS Compliant

s p e c i F i c a t i o n s

Heat Sink: Aluminum alloy 6063-T5 or equivalent.

Spring Clip: Music wire, per ASTM A228

Pin: Solderable 100% tin over copper strike

Interface thermal resistance: for improvement, use thermal joint compound or 0.005 Grafoil (TGon 800 by Laird)

Interface electrical isolation: Sil-Pad 900S by Bergquist or equivalent

Mounting: Vertical thru-hole mount

Clip Force: 13.2 lbf.

Pending

DT2-101E

l a n D p a t t e R n

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