Product Information

421F

421F electronic component of Wakefield

Datasheet
Heat Sinks Heat Sink for TO3, 120.7x76.2x66.7mm, 6.9mm dia. Hole 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 34.2694 ea
Line Total: USD 34.27

33 - Global Stock
Ships to you between
Wed. 01 May to Tue. 07 May
MOQ: 1  Multiples: 1
Pack Size: 1

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33 - Global Stock


Ships to you between Wed. 01 May to Tue. 07 May

MOQ : 1
Multiples : 1

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421F
Wakefield

1 : USD 34.2694
10 : USD 30.6862
25 : USD 29.8069
75 : USD 27.4444
150 : USD 23.8875
300 : USD 21.6169
525 : USD 21.2888

2 - Global Stock


Ships to you between Tue. 07 May to Thu. 09 May

MOQ : 1
Multiples : 1

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421F
Wakefield

1 : USD 32.0712
10 : USD 29.1491
25 : USD 27.4948
50 : USD 26.1424
75 : USD 25.8526
300 : USD 25.4179
525 : USD 25.273

32 - Global Stock


Ships to you between Wed. 01 May to Tue. 07 May

MOQ : 2
Multiples : 1

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421F
Wakefield

2 : USD 36.5748
3 : USD 36.3325
5 : USD 35.6059

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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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