260-4T5E The 260-4T5E by Wakefield-Vette is a TO-5 board level heat sink with a black ebonol finish. It offers 14.00°C/W thermal resistance in natural convection and mounts via bolt-on attachment.
Mfr Part #:

260-4T5E

Available from 1 distributors
Mfr Name: Wakefield-Vette
Wakefield-Vette
The 260-4T5E by Wakefield-Vette is a TO-5 board level heat sink with a black ebonol finish. It offers 14.00°C/W thermal resistance in natural convection and mounts via bolt-on attachment.
Total Stock: 9 pcs
$ Price Range: $19.22 - $23.16

260-4T5E Available from 1 distributor

Authorised
Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Non-Authorised Inventory information
9 pcs
9 pcs On Request 1 On Request On Request On Request On Request On Request

260-4T5E Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Attachment Method
Diameter
Length
Material Finish
Medical Grade
Military Grade
Mounting Method
Package Cooled
Shape
Tape & Reel
Thermal Resistance @ Natural
Type
Width

260-4T5E Description

Short technical summary and product information.

The 260-4T5E is a board-level heat sink from Wakefield-Vette designed for cooling TO-5 packaged semiconductor devices. It features a cylindrical shape with a width of 9.65mm, length of 9.40mm, and an inner diameter of 7.37mm. The heat sink is made with a black ebonol material finish. It is mounted using a bolt-on attachment method. Thermal performance is rated at 14.00°C/W under natural convection conditions. The part is RoHS3 compliant and REACH unaffected, with an MSL rating of 1 (unlimited). This heat sink is suitable for applications requiring efficient thermal management in confined board-level spaces.

260-4T5E Quick Information

Product Type: Heat Sink
Series: 260
Canonical Name: Wakefield-Vette 260-4T5E Heat Sink for TO-5 Packages
Subcategory: Board Level Heat Sinks

260-4T5E Compliance

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

260-4T5E Estimated Pricing

Qty Low High
1+ $23.16 $23.16
10+ $20.94 $20.94
20+ $20.09 $20.09
50+ $19.62 $19.62
100+ $19.61 $19.61
500+ $19.22 $19.22

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

260-4T5E Features

  • Designed for TO-5 packaged semiconductor devices.
  • Board level mounting with bolt-on attachment.
  • Black ebonol material finish for improved heat dissipation.
  • 14.00°C/W thermal resistance under natural convection.
  • Cylindrical shape with 9.65mm width and 9.40mm length.

260-4T5E Applications

  • Cooling TO-5 transistors and ICs in board-level designs.
  • Suitable for natural convection environments.
  • Used in industrial and consumer electronics thermal management.
  • Ideal for space-constrained applications requiring efficient heat sinking.

260-4T5E FAQs

7 frequently asked questions generated from this part’s specifications.
What is the thermal resistance of the 260-4T5E heat sink?

14.00°C/W under natural convection.

What type of package is this heat sink compatible with?

TO-5 package.

What is the mounting method?

Bolt-on attachment.

What is the material finish?

Black ebonol.

What are the dimensions of the 260-4T5E?

Width 9.65mm, length 9.40mm, inner diameter 7.37mm.

Is this heat sink RoHS compliant?

RoHS3 Compliant (unverified).

What is the MSL rating?

1 Unlimited (unverified).

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