290-1AB Wakefield-Vette 290-1AB is a board level heat sink for TO-218, TO-202, and TO-220 packages. It features a rectangular finned aluminum body with black anodized finish and bolt-on attachment.
Mfr Part #:

290-1AB

Available from 1 distributors
Mfr Name: Wakefield-Vette
Wakefield-Vette
Wakefield-Vette 290-1AB is a board level heat sink for TO-218, TO-202, and TO-220 packages. It features a rectangular finned aluminum body with black anodized finish and bolt-on attachment.
Total Stock: 91 pcs
$ Price Range: $0.32 - $0.55

290-1AB Available from 1 distributor

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Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Non-Authorised Inventory information
91 pcs
91 pcs On Request 1 On Request On Request 2026-02-25 06:16:38 On Request On Request

290-1AB Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Attachment Method
Fin Height
Footprint Dimensions
Height Above Board
Length
Material
Material Finish
Mounting Configuration
Mounting Type
Package Cooled
Power Dissipation @ Temperature Rise
Shape
Tape & Reel
Thermal Resistance @ Forced Air Flow
Thermal Resistance @ Natural
Type
Weight
Width

290-1AB Description

Short technical summary and product information.

The Wakefield-Vette 290-1AB is a low-cost board level heat sink designed for single or dual semiconductor packages. It accommodates TO-218, TO-202, and TO-220 case styles and can be mounted vertically or horizontally on a circuit board.

 

Constructed from aluminum with a black anodized finish, the heat sink measures 29.97mm in length and 25.40mm in width, with a fin height of 12.70mm. It offers a thermal resistance of 22.00°C/W under natural convection and 7.00°C/W at 400 LFM forced air flow. Power dissipation is rated at 2.0W with a 44°C temperature rise.

 

Attachment is via bolt-on method, and the footprint dimensions are 1.000" x 1.180". The part weighs 0.0082 lbs (3.72g). This heat sink is suitable for thermal management in a variety of electronic applications.

290-1AB Quick Information

Product Type: Board Level Heat Sink
Series: 290
Canonical Name: Wakefield-Vette 290-1AB Board Level Heat Sink
Subcategory: Aluminum Extruded Heat Sink

290-1AB Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

290-1AB Estimated Pricing

Qty Low High
1+ $0.55 $0.55
10+ $0.49 $0.49
25+ $0.46 $0.46
50+ $0.45 $0.45
100+ $0.43 $0.43
250+ $0.41 $0.41
500+ $0.39 $0.39
1,000+ $0.37 $0.37
5,000+ $0.32 $0.32

Estimated market price range - modelled values for guidance only, not live distributor offers.

290-1AB Features

  • Aluminum black anodized construction for durability.
  • 22.00°C/W thermal resistance in natural convection.
  • 7.00°C/W thermal resistance at 400 LFM forced air.
  • 2.0W power dissipation at 44°C temperature rise.
  • Bolt-on attachment for TO-220 packages.

290-1AB Applications

  • Thermal management for TO-220 power semiconductors.
  • Suitable for vertical or horizontal PCB mounting.
  • Used in power supply and motor control circuits.
  • Ideal for low-cost board level cooling.

290-1AB FAQs

5 frequently asked questions generated from this part’s specifications.
What is the thermal resistance of the 290-1AB heat sink?

The thermal resistance is 22.00°C/W under natural convection and 7.00°C/W at 400 LFM forced air flow.

What packages does the 290-1AB cool?

It cools TO-218, TO-202, and TO-220 packages.

What is the mounting method for the 290-1AB?

It uses a bolt-on attachment method and can be mounted vertically or horizontally.

What is the material and finish of the 290-1AB?

The heat sink is made of aluminum with a black anodized finish.

What is the power dissipation rating of the 290-1AB?

It is rated for 2.0W at a 44°C temperature rise.

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