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HOW TO DECIPHER A 12 DIGIT PART NUMBER
EUROPE
ASIA
Italy Tel: +39 051 764011 email: sales.it@aavid.com
United Kingdom Tel: +44 1793 401400 email: sales.uk@aavid.com
Singapore Tel: +65 6362 8388 email: sales@aavid.com.sg
Taiwan Tel: +886 (2) 2698-9888 email: sales@aavid.com.tw
AMERICA
USA Tel: +1 (603) 224-9988 email: info@aavid.com
www.aavidthermalloy.com
Aavid Thermalloy's standard product line in most cases consists of a 12-digit part number sequence. In most standard offerings, Digits 1 through 4,
define the model basic part number. Digits 5 and 6 designate the package style that a particular heat sink is designed to cool. The 7th digit deter-
mines the finish, and the 8th identifies the interface material, if one can be used for that particular style heat sink. The 9th and 10th digits define
the PC board mounting method, and the 11th and 12th digits define the method of attachment of the package to the heat sink. For digits
8,9,10,11 and 12, the absence of any of those options is always designated by a zero in those positions. Important NOTE:The 12 digit part number
sequence is a general format. Due to the different variations and styles of heat sinks, we have included an Option Index on pages 82–84 to show
available options and accessories for the products covered in this catalog.
To order most Aavid Thermalloy heat sinks, you must use a 12 digit part number using the following options:
How to decipher an Aavid standard 12 digit part number
Digits 5-6: Package style
CODE DEVICE
00 Blank
01 TO-218
02 TO-220, TO-216,TO-217
03 TO-3
04 TO-202
05 TO-5, TO-39
06 TO-66
08 TO-247
10 Multiwatt/SIP
21 Dual TO-218
22 Dual TO-220
Digit 7: Finish
CODE DESCRIPTION
B Black Anodize
D Solderable 100% Tin Finish
J Pre-Black Anodize
M Green Anodize
U Unfinished
V AavSHIELD
3
W Black Anodize w/Black Paint
For additional information see page 110
Digit 8: Interface material
CODE DESCRIPTION
0 None
1 One Kon-Dux™ Pad
2 Two Kon-Dux™ Pads
3 One In-Sil-8™ Pad
4 Two In-Sil-8™ Pad
7 One Hi-Flow® Pad
8 Two Hi-Flow® Pads
For additional information see pages 86 and 87
Solderable Wave-On™ mounts
CODE STAND-OFF THREAD
01 0.100” #6-32
02 0.100” #4-40
03 0.045” #4-40
04* 0.100” #6-32
05 0.045” #6-32
07 0.100” 3.5mm
09 0.200” #6-32
13 0.129” #6-32
* 0.090 PCB (others 0.062”)
For additional information see page 89
Solderable staked on **tabs
CODE DESCRIPTION
28 Shur-Lock™ Tab (0.130 for 0.062” PC Boards)
31 Centered Horizontal (0.050 W x 0.130 L)
32 Centered Horizontal (0.050 W x 0.130 L)
33 Centered Vertical (0.062 W x 0.340 L)
34 Vertical Pair L & R (0.075 W x 0.170 L)
35 Vertical Pair L & R (0.097 W x 0.200 L)
36 Centered Vertical (0.100 W x 0.150 L)
37 Centered Step (0.062 W x 0.250 L with 0.125 wide step)
39 Centered Vertical (0.050 W x 0.375 L)
40 Centered Vertical (0.050 W x 0.245 L)
43 Centered Step (0.050 W x 0.375 L)
48 Centered Vertical (0.062 W x 0.280 L)
53 MT Tab Vertical Pair (0.090 W x 0.125 L)
54 MT2 Tab Vertical Pair (0.090 W x 0.125 L)
55 MT3 Tab Vertical Pair (0.090 W x 0.125 L)
56 Bifurcated Tab Vertical Pair (0.110 W x 0.125 with 0.190 step)
57 Bifurcated Tab Vertical Pair (0.110 W x 0.125 with 0.100 step)
For additional information see pages 91–93
** For additional tab options, please contact
Application Engineering at (603) 224-9988
Semiconductor mounts
CODE DESCRIPTION LENGTH
01 #6-32 Female
02 #4-40 Female
03 M-3 Female
04 #6-32 Male 0.380”
05 #4-40 Male 0.380”
For additional information see page 90
Studs
CODE DESCRIPTION LENGTH
06 SE-2 Stud #6-32 0.485"
07 SM-3 M-3 Male 0.350”
08 SE-1 Stud #6-32 0.350"
09 SE-3 Stud #4-40 0.350"
11 SF-1 M3 x 0.5 0.302"
14 SE-4 Stud #6-32 0.350"
17 SM-1M-3 Male 0.350"
For additional information see page 96
Clinch nuts
CODE DESCRIPTION
12 CNE-42 4-40 Clinch nut
13 CNM-1 M3 X 0.5 Clinch nut
For additional information see page 95
Standard clips
Kool-Klips™
Sold separately
CODE PART#
50 115000
51 115100
52 115200
53 115300
54 115400
62 116200
For additional information see page 97
Thermal clips
Factory applied to heat sink
CODE PART#
32 TC-1
33 TC-10
34 TC-11
35 TC-12
For additional information see page 98
Solderable pins
for board mounted extrusions
CODE DESCRIPTION
21 Solid Pin with
Stand Off Shoulder 0.050”
25 Solid Solderable Pin
For additional information see page 94
Solderable nut
CODE DESCRIPTION LENGTH
13 SNE-2 6-32 UNC-2B 0.305”
14 SNE-1 4-40 UNC-2B 0.305”
For additional information see page 94
Digits 11-12: Package mounting
Digits 9-10: PC Board mounting
A = Base Part Number
B = Package Style
C = Finish
D = Interface Material
E = PC Board Mounting
F = Package Mounting
G = RoHS Compliant
Standard board level:
5748 02 B 0 37 00 G
A
B
C
D
E
F
G
