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Thermal Links

Thermal Links


GENERAL DESCRIPTION

CTS’ thermal links provide an effective retainer and efficient thermal path between semiconductor and heat sinks or chassis. CTS’ unique design gives superior retention and thermal conductivity due to their 6 to 8-segment fingers versus the 2 or 3-segment fingers available from other manufacturers.

 

THERMAL LINKS FOR TO-5, TO-8 AND TO-18 TRANSISTORS

Thermal Link Retainers Without BeO Insulators

Thermal Link Retainers Without BeO Insulators

Fig # Semiconductor
Case Type
Part Number Mounting
Method
Black Cadmium Finish Dull Nickel Finish
1 TO-18 TXBE-019-021B TXBE-019-021ND Rivet/Solder
2 TO-18 TXB2P-019-028B TXB2P-019-028ND 2-56 Screw
3 TO-18 TX1807B TX1807ND 4-40 Stud
3 TO-18 TX1807-1B TX1807-1ND 6-32 Stud
4 TO-18 TX1847B TX1847ND 2-56 Hex Nut
5 TO-5 TXBE-032-031B TXBE-032-031ND Rivet/Solder
6 TO-5 TXB2P-032-037B TXB2P-032-037ND 4-40 Screw
7 TO-5 TX0507-1B TX0507-1ND 6-32 Stud
7 TO-5 TX0507-2B TX0507-2ND 10-32 Stud
7 TO-5 TX0547B TX0547ND 14-40 Hex Nut

Thermal Link Retainers Without BeO Insulators

Dimensions are for reference use only. Contact CTS for dimensions with tolerances or standard part drawings.


Thermal Link Retainers With BeO Insulators

Thermal Link Retainers With BeO Insulators

Fig # Semiconductor
Case Type
Part Number Mounting
Method
Black Cadmium Finish Dull Nickel Finish
1 TO-18 TXP1803B TXP1803ND 2-56 Screw
1 TO-18 ** TXP1808B TXP1808ND 2-56 Screw
2 TO-18 TX1806B TX1806ND 4-40 Stud
2 TO-18 TX1806-1B TX1806-1ND 6-32 Stud
3 TO-18 TX1822B TX1822ND 2-56 Hex Nut
4 TO-18 ----- TX1805-ND Solder
5 TO-5 TXP0503B TXP0503ND 4-40 Screw
5 TO-5 ** TXP0508B TXP0508ND 4-40 Screw
6 TO-5 TX0506-1B TX0506-1ND 6-32 Stud
6 TO-5 TX0506-2B TX0506-2ND 10-32 Stud
7 TO-5 TX0522B TX0522ND 4-40 Hex Nut
8 TO-5 ----- TX0505-ND Solder

**BeO and thermal link are brazed together.

Thermal Link Retainers With BeO Insulators

Dimensions are for reference use only. Contact CTS for dimensions with tolerances or standard part drawings.


THERMAL LINKS FOR TO-8s

Thermal Link Retainers Without BeO Insulators

Thermal Link Retainers Without BeO Insulators

Part Number Mounting
Method
Max. Weight
(Grams)
Case
Diameter
Black Cadmium Finish Dull Nickel Finish
TXBE-045-028B TXBE-045-028ND Solder, Epoxy, Rivet 1.5 0.455
TXB2P-045-037B TXB2P-045-037ND 4-40 Screw 4.5 0.455
TXBE-050-028B TXBE-050-028ND Solder, Epoxy, Rivet 1.5 0.500
TXB2P-050-037B TXB2P-050-037ND 4-40 Screw 4.5 0.500
TXBE-055-028B TXBE-055-028ND Solder, Epoxy, Rivet 1.5 0.550
TXB2P-055-037B TXB2P-055-037ND 4-40 Screw 4.5 0.550

Screw and shouldered nylon washer for .060 chassis included;
If mounting hardware not desired, deleted “P” from part number.

Thermal Link Retainers Without BeO Insulators

Dimensions are for reference use only. Contact CTS for dimensions with tolerances or standard part drawings.

Typical TO-8 Thermal Link Performance