Weller S31 0.4 mm Conical Soldering Iron Tip for use with WH40/SP15N/SI15/SPI16

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PHP1,199.16

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RS Stock No.:
278-8566
Distrelec Article No.:
182-30-258
Mfr. Part No.:
T0054321099
Manufacturer:
Weller
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Brand

Weller

Model Number

S31

Tip Shape

Conical

Product Type

Soldering Iron Tip

For Use With

WH40/SP15N/SI15/SPI16

Tip Series

S

Tip Width

0.4 mm

Standards/Approvals

No

Weller Soldering Iron Tip, 0.4mm Tip Width, Conical Tip Shape - T0054321099


This soldering iron tip is a precision conical replacement designed for fine soldering tasks in electronics repair and assembly. It provides a slender, pointed contact for accurate heat delivery and is intended to fit a selection of compatible soldering handles used in professional and hobbyist settings.

Features and Benefits:


• Conical geometry enables focused heat transfer for small joints
• Fine 0.4mm width supports delicate component work
• Part of the S family ensures consistent thermal response
• Compatible with multiple handles for quick replacements

Applications


• Suitable for precision component soldering on electronics
• Ideal for reworking fine-pitch solder joints
• Used with WH40 style handles for repair tasks
• Can be used for maintenance of SP15N and SI15 tools
• Compatible tips for SPI16-equipped soldering stations

How does the tip shape affect soldering accuracy?


The pointed conical profile concentrates heat into a small contact area, allowing finer control when working on small pads and leads.

Which tools will accept this replacement tip?


It fits a range of matching handles that use the same interface, specifically those referenced as WH40, SP15N, SI15 and SPI16.

What level of detail is achievable with this tip width?


The 0.4mm contact size is suitable for fine-pitch components and detailed rework where minimal solder spread is required.

How does the series designation influence thermal behaviour?


Being from the S family indicates a design intended for stable heating characteristics and predictable responsiveness when soldering small electronic parts.

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