Did you know? 217 °C

SAC305 is 96.5 percent tin, 3 percent silver and 0.5 percent copper. It melts around 217 degrees Celsius, some 34 degrees above the old eutectic tin lead alloy.

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Soldering tips

Soldering tips HT

The Weller HT soldering tips comprise three chisel tips for HT-compatible Weller soldering irons. HT 2 (W: 5.2 mm, T: 1.2 mm) and HT C (W: 3.2 mm, T: 1.0 mm) provide classic chisel geometries for standard soldering work, while HT 3 with 7.0 mm width and 1.2 mm thickness is designed for larger contact areas and wide THT pins. All three tips are manufactured for the HT iron connection and are directly interchangeable.

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Soldering tip HT 3 chisel 7.0 mm wide for FE 80 / LR 82 - Weller HT 3
€31.04

Buying guide

How to choose Soldering tips HT

What matters when choosing: properties, comparison and typical applications.

HT tips compared

Model	Shape	Width	Thickness
HT C	Chisel long	3.2 mm	1.0 mm
HT 2	Chisel	5.2 mm	1.2 mm
HT 3	Chisel	7.0 mm	1.2 mm

Technical features and usage notes

⚙ HT C (3.2 mm, long form) - extended reach for joints deep inside tight housings

✓ HT 2 (5.2 mm) - standard chisel for medium THT pads and cable terminations

⚡ HT 3 (7.0 mm) - large contact area for bus bars, thick wire ends, and wide solder pads

🛠 HT iron connection - all three tips for the same HT iron body, fast swap without tooling

Typical applications

Typical applications: Manual THT soldering with wide pin cross-sections, cable assembly and wire-end tinning, repair of power electronics with broad solder pads, and pre-tinning of stranded wire ends before crimped or screw-clamp connections.

FAQ

Frequently asked questions about Soldering tips HT

What are HT Weller soldering tips and what industrial applications do they serve?

HT Weller soldering tips are high-precision soldering iron tips designed for professional electronics manufacturing, repair services, and industrial assembly operations. These tips serve electronics manufacturers working with SMD components, automotive electronics assembly, telecommunications equipment repair, and precision instrumentation manufacturing. The HT series delivers consistent heat transfer and extended tip life for applications requiring reliable solder joint formation in production environments. Industries utilizing these tips include aerospace electronics, medical device manufacturing, and industrial control system assembly where solder joint integrity directly impacts system reliability.

What are the key technical selection criteria for HT Weller soldering tips with specific dimensions?

HT Weller soldering tip selection requires matching tip geometry to component size and thermal requirements, with key parameters including tip width, tip diameter, and shape profile. The HT 3 model features a 7.0mm tip width with 1.2mm diameter for larger component soldering, while the HT C chisel tip provides 3.2mm width with 1.0mm diameter for precision work on smaller components. Tip shape selection between chisel, conical, and beveled profiles depends on component accessibility and required heat transfer area. Thermal mass matching ensures adequate heat delivery without overheating sensitive components, with larger tips like the HT 2 (5.2mm width, 1.2mm diameter) suited for ground planes and thermal pads.

Which international standards and certifications apply to professional soldering tips used in industrial applications?

Professional soldering tips used in industrial electronics manufacturing must comply with IPC-A-610 acceptability standards for electronic assemblies and IPC-J-STD-001 requirements for soldered electrical connections. ESD-sensitive applications require conformance to IEC 61340-5-1 electrostatic discharge control standards to prevent component damage during soldering operations. RoHS compliance under EN 50581 ensures tip materials and coatings meet lead-free soldering requirements for European market electronics. Quality management systems in aerospace and medical device manufacturing additionally require ISO 9001 traceability for soldering consumables including tip selection and replacement documentation.

What are the differences between HT 2, HT 3, and HT C Weller soldering tip variants?

The HT 2 variant features a chisel-shaped tip with 5.2mm width and 1.2mm diameter optimized for medium-sized components and through-hole soldering applications. HT 3 provides a wider 7.0mm tip width with 1.2mm diameter designed for larger component soldering and thermal relief applications requiring higher heat transfer capacity. The HT C model offers a long chisel configuration with 3.2mm width and 1.0mm diameter specifically engineered for precision work in confined spaces and fine-pitch component soldering. Each variant delivers different thermal characteristics and accessibility options to match specific soldering application requirements in professional electronics assembly environments.

What installation requirements and system compatibility considerations apply to HT Weller soldering tips?

HT Weller soldering tips require compatible Weller soldering station systems with matching tip mounting mechanisms and temperature control capabilities for proper installation and operation. Installation involves inserting the tip into the heating element assembly until fully seated, ensuring proper thermal coupling between tip and heater for accurate temperature control. System compatibility requires matching tip thermal characteristics with station power output, typically ranging from 40W to 120W depending on tip size and application requirements. Regular tip inspection and replacement procedures should be integrated into maintenance schedules to maintain consistent soldering performance and prevent oxidation-related temperature control issues.

What safety ratings and operating temperature specifications apply to HT Weller soldering tips?

HT Weller soldering tips operate within temperature ranges from 200°C to 450°C depending on solder alloy requirements and component thermal sensitivity, with lead-free soldering typically requiring 240°C to 260°C tip temperatures. ESD-safe handling procedures must be followed during tip installation and replacement to prevent electrostatic discharge damage to sensitive components in the work area. Operator safety requires adherence to thermal protection protocols including appropriate ventilation systems and fume extraction to manage flux vapor exposure during soldering operations. Tip surface temperatures can exceed 400°C during operation, requiring proper tool handling procedures and designated cooling stands to prevent thermal injury and workspace contamination.

What maintenance schedule and service life expectations apply to professional HT Weller soldering tips?

HT Weller soldering tips require daily visual inspection for oxidation, contamination, and geometric wear that affects heat transfer efficiency and solder joint quality. Typical service life ranges from 200 to 500 operating hours depending on soldering temperature, flux type, and cleaning frequency, with lead-free soldering applications generally reducing tip life due to higher operating temperatures. Weekly maintenance includes tip cleaning with appropriate cleaning compounds and geometric inspection using calibrated measuring tools to verify dimensional specifications remain within tolerance. Replacement indicators include visible pitting, reduced heat transfer performance, and dimensional changes exceeding 0.1mm from original specifications, requiring immediate replacement to maintain consistent soldering quality standards.

How do thermal characteristics and heat transfer properties affect HT Weller soldering tip performance in professional applications?

Thermal characteristics of HT Weller soldering tips directly influence heat recovery time and temperature stability during continuous soldering operations in production environments. Tip thermal mass must match component thermal requirements, with larger tips like the 7.0mm HT 3 providing superior heat capacity for ground plane connections while smaller 3.2mm HT C tips offer faster temperature response for heat-sensitive components. Heat transfer efficiency depends on tip-to-component contact area and thermal conductivity, requiring proper tip geometry selection to achieve target solder joint temperatures within IPC-specified time limits. Thermal cycling during production use affects tip coating integrity and dimensional stability, influencing replacement intervals and maintaining consistent process control in quality-critical applications.