Weller S3 3.5 mm Straight Chisel Soldering Iron Tip

  • RS Stock No. 278-8752
  • Mfr. Part No. T0054003499
  • Manufacturer Weller
Technical data sheets
Legislation and Compliance
RoHS Certificate of Compliance
COO (Country of Origin): DE
Product Details

Soldering Iron Bits

Weller offers a comprehensive range of soldering tips to complement their soldering irons and desoldering irons. Soldering iron tips are available in a huge variety of sizes, diameters and shapes. Every soldering tip is designed for a specific application.

Features and Benefits:

Soldering Tips

Typical Applications:

Soldering is the process used to build a soldering connection by using the heated tip of a soldering iron to melt soldering wire. The soldering tips are available in many different sizes and tip shapes, dependant on the application they are being used for. They are used to melt solder wire to connect two elements or components together to create a permanent connection and are often utilised in an electronics or manufacturing capacity as they often need to be conductive. The process of soldering is most commonly used by:

  • DIY enthusiasts

  • Plumbers

  • Electricians

  • Vehicle technicians

Soldering is often used for:
  • General wiring applications

  • Electrical repair work at home, in factories or for vehicles


How long do soldering iron tips last for?
If high quality iron tips are used, they can last for years with the proper care and cleaning.


209-2433 adapter only

278-8752 Specifications:

  • S3 Straight Soldering Iron Tip

  • Width: 3.5 mm

  • Diameter: 3.5 mm

  • Tip Material: Nickel-plated

  • Tip Shape: Straight Chisel

  • Tips for WHS40 (RS 278-8550, 250-3797) and WHS40D (RS 469-1076), SI15, SP15L, SP15N


Attribute Value
Model Number S3
Tip Shape Straight Chisel
For Use With WHS40 & WHS40D Soldering Station; SI25 Soldering Iron
Tip Size 3.5 mm
56 In Global stock for delivery within 4 - 6 working days
Price 1 Bag of 3
MYR 67.60
Per Bag
Per unit*
1 +
*price indicative