SW38-2G datasheet(94/116 Pages) AAVID

94 / 116 page

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Solderable Pins / Solderable Nuts

Solderable nuts are permanently swaged into the heat sink

for quick pre-assembly with the transistor. Screws are used

to mount to the heat sink and are installed from the top.

Solderable nuts feature a closed end that prevents solder

from wicking into threads and trapping contaminants or flux.

Heat sink and transistor are then handled as a single compo-

nent and dropped into plated-thru holes in the PC board for

wave soldering. (Solderable nuts require slightly larger printed

circuit board hole sizes)

• Pre-mounted to heat sink at factory

• Ease of pre-assembly in production

• Mechanical and electrical integrity

• Wave solderability

Solderable Nuts

Note: If a part number requires 2 solderable nuts, simply add a "/2" after the solderable

nut character suffix on Thermalloy origin parts.

FEATURES

Suffix

Ordering code

Dia of PCB thru hole

Thread

SNM-1

N/A

4.95 (0.195)

M3X0.5

SNE-1

4.95 (0.195)

4-40 UNC-2B

SNE-2

4.95 (0.195)

6-32 UNC-2B

(0.170)

4.32

(0.050)

1.27

(0.129)

3.28

(0.140)

3.56

SOLDERABLE NUT

(0.170)

4.32

SOLDERABLE

NUT

(0.129)

3.28

(0.140)

3.56

(0.065)

1.65

THREAD

7.62

(0.300)

7.75

(0.305)

3.56

(0.140)

3.28

(0.129)

4.32

(0.170)

Mechanical drawings showing heat sinks with solderable nuts

506003B0 _ _ 00G

Ordering code

7019B–

ORDERING INFORMATION

example 12 digit part

example

Thermalloy origin part

A = Model number

B = Solderable nut suffix

C = RoHS compliant

Vertically mounted, extruded heat sinks are

converted to wave solderable with the addition

of solderable roll pins. Roll pins are available

with stand-off shoulders in different heights

for easier cleaning after wave soldering.

Suffix

Ordering code

Description

“A” Dim

Figure

Solid pin w/stand-off shoulder 0.050"

0.050

N/A

Solid pin w/stand-off shoulder 0.125"

0.125

N/A

Solid solderable pin

Solderable Pins

12.70

(0.500)

4.45

(0.175)

2.34

(0.092)

Typical installation P2-P3

529902B0 _ _ 00G

Ordering code

ORDERING INFORMATION

example 12 digit part

FIGURE B

(0.097)

2.46

(0.095)

2.41

(0.216)

5.49

(0.500)

12.70

"A"

FIGURE A

Stand-Off Shoulder

Heat sink

PC Board

"A"

Pin 25

1.27

(0.500)

2.41

(0.095) REF

5.49

(0.216)

REF

3.96

(0.156)

2.46

(0.097)

Pin P2-P3

6396B–

example

Thermalloy origin part

A = Model number

B = Solid pin suffix

C = RoHS compliant

SW38-2G 数据表(PDF) 94 Page - Aavid, Thermal Division of Boyd Corporation

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