Product Information

423A

423A electronic component of Wakefield

Datasheet
Heat Sinks Heat Sink for TO3, 120.7x140.2x66.7mm, (1) TO3 Mounting Hole Pattern
Manufacturer: Wakefield
This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges



Price (USD)

1: USD 27.8381 ea
Line Total: USD 27.84

58 - Global Stock
Ships to you between
Mon. 13 May to Fri. 17 May
MOQ: 1  Multiples: 1
Pack Size: 1

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Availability Price Quantity
58 - WHS 1


Ships to you between Mon. 13 May to Fri. 17 May

MOQ : 1
Multiples : 1

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423A
Wakefield

1 : USD 27.8381
10 : USD 25.0162
25 : USD 24.3206
50 : USD 23.6644
100 : USD 20.0812
250 : USD 18.0862
500 : USD 17.8106

20 - WHS 2


Ships to you between Fri. 17 May to Tue. 21 May

MOQ : 1
Multiples : 1

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423A
Wakefield

1 : USD 24.3915
25 : USD 21.578
50 : USD 21.0346
250 : USD 20.6483
500 : USD 20.5637
1000 : USD 20.5396

56 - WHS 3


Ships to you between Mon. 13 May to Fri. 17 May

MOQ : 3
Multiples : 1

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423A
Wakefield

3 : USD 34.3257
5 : USD 33.7432
10 : USD 29.8167
20 : USD 29.6192
50 : USD 28.0186

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Additional Infomation About Product

WTS001 p26-49 6/14/07 10:56 AM Page 45 Extruded Heat Sinks EXTRUDED HEAT SINKS FOR POWER SEMICONDUCTORS Low-Profile Heat Sinks for All Metal-Case Power Semiconductors 621/623 SERIES TO-3 Footprint Thermal Performance at Typical Load Standard Dimensions Height Mounting Natural Forced Weight P/N in. (mm) in. (mm) Hole Pattern Convection Convection lbs. (grams) 621A 4.750 (120.6) x 1.500 (38.1) 0.461 (11.7) (1) TO-3 75C 15W 2.0C/W 250 LFM 0.1000 (45.36) 621K 4.750 (120.6) x 1.500 (38.1) 0.461 (11.7) None 75C 15W 2.0C/W 250 LFM 0.1000 (45.36) 623A 4.750 (120.6) x 3.000 (76.2) 0.461 (11.7) (1) TO-3 52C 15W 1.5C/W 250 LFM 0.2100 (95.26) 623K 4.750 (120.6) x 3.000 (76.2) 0.461 (11.7) None 52C 15W 1.5C/W 250 LFM 0.210O (95.26) A general purpose yet efficient heat dissipator for TO-3 and virtually all other styles of metal case width, accommodating many types of packages. Mounting hole pattern is predrilled for the power semiconductor package types, the 621 and 623 Series low-profile flat back heat sinks find a standard TO-3 package. Material: Aluminum Alloy, Black Anodized. wide variety of applications. The central channel between fins measures 1.300 in. (33.0) (min.) in MECHANICAL DIMENSIONS 621 AND 623 SERIES (EXTRUSION PROFILE 1327) NATURAL AND FORCED CONVECTION CHARACTERISTICS SEMICONDUCTOR MOUNTING HOLES A K Dimensions: in. (mm) Compact Heat Sinks for Dual Stud-Mounted Semiconductor Cases STUD-MOUNT 301/302/303 SERIES Outline Mounting Thermal Performance at Typical Load Standard Dimensions Length A Hole (s) Natural Forced Weight P/N in. (mm) in. (mm) Pattern and Number Convection Convection lbs. (grams) 301K 2.000 (50.8) x 2.000 (50.8) 0.750 (19.1) None 70C 15W 2.5C/W 250 LFM 0.0580 (26.31) 301M 2.000 (50.8) x 2.000 (50.8) 0.750 (19.1) (1) 10-32UNF, 0.625 in. thread depth 70C 15W 2.5C/W 250 LFM 0.0580 (26.31) 1 301N 2.000 (50.8) x 2.000 (50.8) 0.750 (19.1) (1) 4 -28UNF, 0.625 in. thread depth 70C 15W 2.5C/W 250 LFM 0.0580 (26.31) 302M 2.000 (50.8) x 2.000 (50.8) 1.500 (38.1) (1) 10-32UNF, 0.625 in. thread depth 50C 15W 1.8C/W 250 LFM 0.1330 (60.33) 302MM 2.000 (50.8) x 2.000 (50.8) 1.500 (38.1) (2) 10-32UNF, 0.625 in. thread depth 50C 15W 1.8C/W 250 LFM 0.1330 (6033) 1 302N 2.000 (50.8) x 2.000 (50.8) 1.500 (38.1) (1) 4 -28UNF, 0.625 in. thread depth 5OC 15W 1.8C/W 250 LFM 0.1330 (60.33) 1 302NN 2.000 (50.8) x 2.000 (50.8) 1.500 (38.1) (2) 4 -28UNF, 0.625 in. thread depth 50C 15W 1.8C/W 250 LFM 0.1330 (60.33) 303M 2.000 (50.8) x 2.000 (50.8) 3.000 (76.2) (1) 10-32UNF, 0.625 in. thread depth 37C 15W 1.3C/W 250 LFM 0.2680 (121.56) 303MM 2.000 (50.8) x 2.000 (50.8) 3.000 (76.2) (2) 10-32UNF, 0.625 in. thread depth 37C 15W 1.3C/W 250 LFM 0.2680 (121.56) 1 303N 2.000 (50.8) x 2.000 (50.8) 3.000 (76.2) (1) 4 -28UNF, 0.625 in. thread depth 37C 15W 1.3C/W 250 LFM 0.2680 (121.56) 1 303NN 2.000 (50.8) x 2.000 (50.8) 3.000 (76.2) (2) 4 -28UNF, 0.625 in. thread depth 37C 15W 1.3C/W 250 LFM 0.2680 (121.56) The large fin area in minimum total volume provided by the radial design of the 301/302/303 302 and 303 Series offer maximum cost savings with dual mounting locations (MM and Series offers maximum heat transfer efficiency in natural convection. All types are available NN mounting hole patterns) for two stud-mount devices. Material: Aluminum Alloy, Black with one tapped mounting hole for rectifiers and other stud-mounting semiconductors the Anodized. MECHANICAL DIMENSIONS NATURAL AND FORCED CONVECTION CHARACTERISTICS SEMICONDUCTOR MOUNTING HOLES K M N 302 AND 303 SERIES SERIES 301 302 301 SERIES 303 Dimensions: in. (mm) 45WTS001 p26-49 6/14/07 10:56 AM Page 46 Extruded Heat Sinks EXTRUDED HEAT SINKS FOR POWER SEMICONDUCTORS Double-Surface Heat Sinks for TO-3 Case Styles 401 & 403 SERIES TO-3 Stud-Mount Standard Width Overall Dimensions Height Semiconductor Thermal Performance at Typical Load Weight P/N in. (mm) in. (mm) in. (mm) Mounting Hole Pattem Natural Convection Forced Convection lbs. (grams) 401A 4.750 (120.7) 1.500 (38.1) 1.250 (31.8) (1) TO-3 80C 30W 1.5C/W 250 LFM 0.1500 (68.04) 401F 4.750 (120.7) 1.500 (38.1) 1.250 (31.8) 0.270 in. (6.9)-Dia Hole 80C 30W 1.5C/W 250 LFM 0.1500 (68.04) 401K 4.750 (120.7) 1.500 (38.1) 1.250 (31.8) None 80C 30W 1.5C/W 250 LFM 0.1500 (68.04) 403A 4.750 (120.7) 3.000 (76.2) 1.250 (31.8) (1) TO-3 55C 30W 0.9C/W 250 LFM 0.3500 (158.76) 403F 4.750 (120.7) 3.000 (76.2) 1.250 (31.8) 0.270 in. (6.9)-Dia Hole 55C 30W 0.9C/W 250 LFM 0.3500 (158.76 403K 4.750 (120.7) 3.000 (76.2) 1.250 (31.8) None 55C 30W 0.9C/W 250 LFM 0.3500 (158.76) With fins oriented vertically in cabinet sidewall applications, 401 and 403 Series heat sinks are in. (6.9)-diameter mounting hole (with a 0.750 in. (19.1)-diameter area free of anodize) for recommended for critical space applications where maximum heat dissipation is required for mounting stud-type diodes and rectifiers. Hole pattem available upon request. Material: high-power TO-3 case styles. Forced convection performance is also exemplary with these Aluminum Alloy, Black Anodized. double surface fin types. Semiconductor mounting hole style F offers a single centered 0.270 MECHANICAL DIMENSIONS NATURAL AND FORCED CONVECTION CHARACTERISTICS 401 SERIES 403 SERIES Dimensions: in. (mm) SEMICONDUCTOR MOUNTING HOLES A F K V 401 AND 403 SERIES (EXTRUSION PROFILE 1024) TO-3 DO-5 Stud-Mount Low-Height Double-Surface Heat Sinks for TO-3 Case Styles and Diodes 413/421/423 SERIES Nominal Dimensions Standard Width Length Height A Semiconductor Thermal Performance at Typical Load Weight P/N in. (mm) in. (mm) in. (mm) Mounting Hole Pattern Natural Convection Forced Convection lbs. (grams) 413A 4.750 (120.7) 3.000 (76.2) 1.875 (47.6) (1) TO-3 72C 50W 0.85C/W 250 LFM 0.6300 (285.77) 413F 4.750 (120.7) 3.000 (76.2) 1.875 (47.6) 0.270 in. (6.9)-Dia Hole 72C 50W 0.85C/W 250 LFM 0.6300 (285.77) 413K 4.750 (120.7) 3.000 (76.2) 1.875 (47.6) None 72C 50W 0.85C/W 250 LFM 0.6300 (285.77) 421A 4.750 (120.7) 3.000 (76.2) 2.625 (66.7) (1) TO-3 58C 50W 0.7C/W 250 LFM 0.6300 (285.77) 421F 4.750 (120.7) 3.000 (76.2) 2.625 (66.7) 0.270 in. (6.9)-Dia Hole 58C 50W 0.7C/W 250 LFM 0.6300 (285.77) 421K 4.750 (120.7) 3.000 (76.2) 2.625 (66.7) None 58C 50W 0.7C/W 250 LFM 0.6300 (285.77) 423A 4.750 (120.7) 5.500 (140.2) 2.625 (66.7) (1) TO-3 47C 50W 0.5C/W 250 LFM 1.1700 (530.71) 423K 4.750 (120.7) 5.500 (140.2) 2.625 (66.7) None 47C 50W 0.5C/W 250 LFM 1.1700 (530.71) Space-saving double surface 413, 421, and 423 Series utilize finned surface field Type 126 silicone-free thermal compound or Wakefield DeltaPad inter- area on both sides of the power semiconductor mounting surface to provide face materials for maximum performance. Material: Aluminum Alloy, Black An- maximum heat dissipation in a compact profile. Ready to install on popular odized. power components in natural and forced convection applications. Apply Wake- MECHANICAL DIMENSIONS NATURAL AND FORCED CONVECTION CHARACTERISTICS 423 SERIES 413 SERIES (EXTRUSION PROFILE 1025) (EXTRUSION PROFILE 2276) 421 SERIES SEMICONDUCTOR MOUNTING HOLES (EXTRUSION A FK PROFILE 1025) V SERIES 413 421 Dimensions: in. (mm) 46

HS Compliance

Tariff Desc

7612.90.00 -Other Aluminium structures (excluding prefabricated buildings of heading no. 94.06) and parts of structures (for example, bridges and bridge-sections, towers, lattice masts, roofs, roofing frameworks, doors and windows and their frames and thresholds for doors, balustrades, pillars and columns); aluminium plates, rods, profiles, tubes and the like, prepared for use in structures:

Wakefield may also be referenced as

WAK
Wakefield Engineering
WAKEFIELD SOLUTIONS
WAKEFIELD THERMAL
Wakefield Thermal Solutions
Wakefield Thermal Solutions, Inc.
Wakefield-Vette
Wakefield-Vette, Inc

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