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 and desoldering tips

Serie 422/452 for Chip-Tool Tweezers

Ersa series 422, 452, 462 and 472 provide ERSADUR and ERSADUR-LF desoldering tips for use with Chip-Tool tweezers. The tips feature a hard-copper core with an ERSADUR protective coating that is lead-free compatible and delivers extended service life with SAC alloys. Straight versions in widths from 6.0 to 20.0 mm cover the SOIC range from SOIC 8 to SOIC 32 and allow precise alignment to component pitches.

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Buying guide

How to choose Serie 422/452 for Chip-Tool Tweezers

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

Technical features

⚙ ERSADUR-LF coating - extended tip life with lead-free SAC solders, chemically resistant

✓ Width 6.0-20.0 mm - straight desoldering tip sets for SOIC 16 to SOIC 32

⚡ Set delivery - DUR desoldering tip sets include matching counterparts for symmetrical desoldering

✦ Series 422, 452, 462, 472 - coordinated geometries for different Chip-Tool generations

Series overview and dimensions

Part number	Width	Target package	Coating
0422ED	6.0 mm straight	SOIC 8	ERSADUR
0452FDLF100	10.0 mm straight	SOIC 16	ERSADUR-LF
0452FDLF125	12.5 mm straight	SOIC 20	ERSADUR-LF
0452FDLF150	15.0 mm straight	SOIC 24	ERSADUR-LF
0452FDLF200	20.0 mm straight	SOIC 32	ERSADUR-LF

Typical applications

Typical applications: Desoldering of SOIC, SOP and PLCC packages on lead-free assemblies, rework processes in SMT production, PCB repair in electronics workshops and maintenance within EPA zones. Compatibility with Chip-Tool tweezers is particularly suited to tight working clearances on densely populated boards.

FAQ

Frequently asked questions about Serie 422/452 for Chip-Tool Tweezers

What are Ersa Serie 422/452 desoldering tips and where are they primarily used in industrial applications?

Ersa Serie 422/452 desoldering tips are precision-engineered removal tools designed specifically for Chip Tool Tweezers in professional electronics manufacturing and repair environments. These DUR (durability-enhanced) tips enable controlled extraction of surface-mount components, integrated circuits, and fine-pitch connectors without thermal damage to surrounding PCB traces. Electronics manufacturers, aerospace contractors, and medical device assemblers utilize these tips for rework operations on densities up to 0.2mm pitch components. The chisel-shaped, pointed, and elliptical geometries accommodate different component footprints while maintaining thermal control during desoldering cycles.

What are the key technical selection criteria for choosing between different Serie 422/452 desoldering tip variants?

Selection of Serie 422/452 desoldering tips depends primarily on component geometry, thermal mass, and access requirements of the target application. Tip width ranges from 0.2mm for ultra-fine pitch components like 0201 passives to 6.0mm for larger power semiconductors, with chisel-shaped variants (0462CDLF series) providing maximum thermal transfer for standard SMD packages. Pointed tips (0462PDLF series) offer precision access in densely populated areas, while angled configurations enable work on components with limited vertical clearance. The DUR coating specification ensures consistent thermal conductivity and extends operational life beyond standard copper alloy alternatives.

Which international standards and certifications apply to Ersa Serie 422/452 desoldering tips for industrial use?

Ersa Serie 422/452 desoldering tips comply with IPC-7711/7721 standards for electronic assembly rework and repair procedures, ensuring consistent thermal profiles during component removal operations. The DUR coating technology meets RoHS directive requirements for lead-free soldering applications while maintaining compatibility with both leaded and lead-free alloy systems. Manufacturing processes follow ISO 9001 quality management protocols, with thermal performance characteristics validated according to IEC 60068 environmental testing standards. These certifications ensure reliable operation in aerospace, medical, and automotive electronics applications requiring traceability and process control documentation.

What are the main differences between Serie 422, 452, 462, and 472 desoldering tip variants?

Serie 462 tips feature the advanced DUR coating with enhanced thermal conductivity and wear resistance, available in chisel-shaped configurations from 0.7mm to 1.8mm widths for standard SMD component removal. Serie 452 tips are specifically designed for Tweezers 40 systems with elliptical and specialized geometries ranging from 1.25mm to 4.0mm for larger component extraction. The 0462FDLF series provides 6mm desoldering tip pairs for simultaneous dual-sided component access, while Serie 422 offers basic configurations for general-purpose applications. Each series maintains distinct thermal characteristics optimized for specific component sizes and board densities in professional rework stations.

What are the installation requirements and system compatibility for Serie 422/452 desoldering tips?

Serie 422/452 desoldering tips require compatible Ersa Chip Tool Tweezers with proper thermal control systems maintaining temperatures between 200°C to 450°C depending on solder alloy composition. Installation involves secure mechanical coupling to ensure optimal heat transfer, with tip replacement requiring system cool-down to ambient temperature before handling. The 0462 series tips integrate with DUR-compatible heating elements providing 40W to 80W power delivery for consistent thermal performance. Proper tip seating ensures thermal resistance below 2.5°C/W from heating element to component interface, critical for preventing PCB delamination during extended desoldering cycles.

What are the operating temperature ranges and safety ratings for Serie 422/452 desoldering tips?

Serie 422/452 desoldering tips operate within controlled temperature ranges of 150°C to 480°C, with DUR-coated variants maintaining stable thermal characteristics throughout the operational envelope. The tips withstand rapid thermal cycling between ambient and operating temperatures without degradation, ensuring consistent performance in high-volume production environments. Safety ratings include compliance with low-voltage equipment directives for integration with certified soldering station power supplies, while thermal isolation prevents heat transfer to operator contact surfaces. Maximum tip temperature differential specifications ensure uniform heating across component interfaces, preventing localized overheating that could damage sensitive semiconductor junctions or multilayer PCB substrates.

What maintenance schedule and service life expectations apply to Serie 422/452 desoldering tips?

Serie 422/452 desoldering tips require visual inspection every 40-50 operating hours to assess tip wear, oxidation, and geometric integrity that affects thermal transfer efficiency. DUR-coated tips typically provide 200-300 hours of operational life under normal rework conditions, with replacement indicated when tip diameter deviation exceeds 0.05mm or thermal response time increases beyond baseline measurements. Maintenance protocols include cleaning with approved flux removers and tinning with fresh solder to maintain optimal heat transfer, while avoiding abrasive cleaning methods that compromise the DUR coating. Proper storage in protective cases prevents mechanical damage and contamination that reduces tip performance and component extraction reliability.