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 RTP-MS

Soldering tips

The Weller RTP-MS Pico soldering tip series covers MIL-SPEC-qualified micro tips for ultra-fine soldering work. The range spans conical geometries from 0.1 mm (RTP 001 C MS, RTP 001 C NW MS non-wettable) through conical bent types (RTP 001 CxMS, RTP 002 CxMS), chisel forms (RTP 002 S MS 0.2x0.1 mm, RTP 013 S MS 1.3x0.3 mm) and knife forms (RTP 010 K MS, RTP 025 K MS 2.5 mm). Bevel variants RTP 004 B MS (0.4 mm) and RTP 012 B MS (1.2 mm) plus the solder depot RTP 020 G MS (2 mm) complete the programme.

⚙ Conical from 0.1 mm - RTP 001 C MS, also NW (non-wettable) and bent (RTP 001/002 CxMS)

⚙ Chisel 0.2x0.1-1.3x0.3 mm - RTP 002 S MS to RTP 013 S MS, also NW (RTP 002 S NW MS)

⚙ Bevel 0.4-1.2 mm - RTP 004 B MS and RTP 012 B MS

⚙ Knife form - RTP 010 K NW MS (non-wettable), RTP 025 K MS (2.5 mm)

✓ Solder depot RTP 020 G MS - 2 mm, for defined solder volumes on micro pads

✓ MIL-SPEC for all types - J-STD-001 Class 3, full traceability

RTP-MS tips are geometrically identical to the standard RTP line and available in the same shapes. MIL-SPEC here means full qualification for regulated manufacturing environments to J-STD-001 Class 3, with batch traceability and documented material records. For applications without military or aerospace requirements, the standard RTP series is sufficient. Both series are designed for the same soldering iron.

Typical applications: Rework on micro components (01005, 0201, 0402) in regulated manufacturing environments, repair of aerospace electronics to MIL-STD-2000 and AS9100, hand soldering on medical devices (IEC 62368-1), laboratory work on fine-pitch ICs and sensor circuits, and quality assurance in safety-critical production lines requiring full documentation.

What are Weller RTP-MS soldering tips and which industrial applications use these precision tools?

Weller RTP-MS soldering tips are MIL-SPEC certified precision soldering tools designed for electronics manufacturing and aerospace applications requiring ultra-fine pitch component work. These tips feature tip geometries ranging from 0.1mm conical points to 2.5mm knife configurations, specifically engineered for surface mount technology (SMT) assembly, microelectronics repair, and military-grade electronics production. The RTP-MS series serves industries including avionics, medical device manufacturing, telecommunications equipment production, and defense electronics where component miniaturization and thermal sensitivity demand exceptional precision and repeatability.

What technical criteria determine proper Weller RTP-MS tip selection for specific soldering applications?

Weller RTP-MS tip selection depends on component pad geometry, thermal mass requirements, and accessibility constraints in the target application. Conical tips like RTP 002 C MS with 0.2mm diameter suit fine-pitch QFP and BGA rework, while chisel configurations such as RTP 013 S MS measuring 1.3×0.3mm handle larger SMD components and through-hole connections. Specialized geometries include gullwing tips for connector work, knife edges for drag soldering applications, and non-wettable variants designated NW for applications requiring minimal solder pickup and contamination prevention during precision rework operations.

Which international standards and certifications apply to Weller RTP-MS soldering tip specifications?

Weller RTP-MS soldering tips conform to MIL-SPEC military standards ensuring consistent thermal performance and dimensional accuracy required for aerospace and defense electronics assembly. These tips meet IPC-610 Class 3 soldering standards for high-reliability electronics manufacturing, while the thermal characteristics comply with IEC 61191 surface mount assembly requirements. The manufacturing processes follow ISO 9001 quality management protocols, and the tip materials meet RoHS compliance for lead-free soldering applications mandated under EU Directive 2011/65/EU for commercial electronics production.

How do different Weller RTP-MS tip variants compare in geometry and intended applications?

Weller RTP-MS tips divide into distinct geometric categories optimized for specific soldering tasks and component types. Conical variants like RTP 001 C NW MS provide 0.1mm precision for ultra-fine pitch work, while chisel configurations such as RTP 004 S MS at 0.4×0.2mm dimensions handle standard SMD components efficiently. Specialized shapes include beveled tips for angled access, knife edges for drag soldering techniques, and gullwing profiles for connector applications, with non-wettable NW variants preventing solder buildup during repetitive rework operations on sensitive assemblies.

What compatibility requirements exist for installing Weller RTP-MS tips in soldering station systems?

Weller RTP-MS tips require RT Pico series handpieces and compatible Weller soldering stations featuring precise temperature control capabilities for MIL-SPEC applications. These tips utilize Weller's proprietary connection system ensuring optimal thermal transfer and secure mechanical retention during operation. The installation process involves simple push-fit engagement with the handpiece heating element, while the station must provide temperature stability within ±2°C for MIL-SPEC compliance. System compatibility extends to Weller WX series stations and similar platforms supporting RT Pico handpiece technology for professional electronics assembly environments.

What safety specifications and operating parameters define Weller RTP-MS tip performance limits?

Weller RTP-MS tips operate within temperature ranges from 200°C to 450°C with thermal stability meeting MIL-SPEC requirements for consistent heat transfer during precision soldering operations. These tips demonstrate rapid thermal recovery characteristics essential for high-volume production environments while maintaining tip geometry integrity under continuous use conditions. The construction materials resist oxidation and thermal shock, ensuring reliable performance throughout the specified operating temperature range. Safety considerations include proper ESD grounding protocols and thermal protection measures required when working with temperature-sensitive components in electronics manufacturing applications.

What maintenance procedures and service intervals ensure optimal Weller RTP-MS tip performance?

Weller RTP-MS tips require regular cleaning with damp sponge or brass wool every 10-15 solder joints to maintain optimal thermal transfer and prevent oxide buildup affecting soldering quality. Tip inspection should occur daily in production environments, checking for geometric wear, surface oxidation, and proper wetting characteristics that indicate replacement necessity. Service life typically ranges from 200-500 operating hours depending on temperature settings and application demands, with MIL-SPEC applications often requiring more frequent replacement to maintain dimensional accuracy. Proper storage in tip tinner compound and controlled temperature cycling extends operational lifetime while ensuring consistent soldering performance throughout the service interval.

Soldering tips RTP-MS

Geometries and MIL-SPEC features

RTP-MS vs. standard RTP

Typical applications