RF4 RF-204D 200g 0.4mm 63%Sn Lead Rosin Core Solder Tin Wire
The RF4 RF-204D 200g 0.4mm 63%Sn Lead Rosin Core Solder Tin Wire is a precision soldering consumable designed for mobile phone motherboard repair, micro-soldering, IC rework, SMD component replacement, PCB repair, and electronics servicing. With its fine 0.4mm diameter, this solder wire provides controlled solder application for small pads, miniature components, and densely populated circuit boards.
Featuring a 63% tin (Sn) composition and integrated rosin core, the RF-204D provides convenient flux-assisted soldering for suitable electronics repair applications. The fine wire profile allows technicians to regulate the amount of solder applied, making it useful for detailed chip-level repair and precision soldering.
The 200g quantity makes this solder wire suitable for regular use in professional repair shops, electronics service centers, laboratories, and technician workstations. It can be used for IC pads, SMD components, PCB traces, connectors, jumper wires, and other fine electronic connections.
The RF4 RF-204D is a practical choice for technicians who need a reliable, fine-diameter solder wire for precision motherboard repair and micro-soldering applications.
Key Features
- Fine 0.4mm diameter for controlled precision soldering.
- 63% tin (Sn) solder composition.
- Integrated rosin core for convenient flux-assisted soldering.
- Generous 200g quantity for professional repair work.
- Ideal for mobile phone motherboard repair.
- Suitable for IC and SMD component rework.
- Excellent for micro-soldering and precision PCB repair.
- Helps control solder quantity on small pads.
- Suitable for connectors, PCB traces, wires, and miniature components.
- Compatible with suitable soldering irons and temperature-controlled soldering stations.
Technical Specifications
| Specification | Details |
|---|---|
| Product Name | RF4 RF-204D Lead Rosin Core Solder Tin Wire |
| Model | RF-204D |
| Solder Type | Lead Solder Wire |
| Tin Content | 63% Sn |
| Wire Diameter | 0.4mm |
| Net Weight | 200g |
| Core Type | Rosin Core |
| Application | Precision Electronics Soldering |
| Suitable For | IC, SMD, PCB, Connector & Micro-Soldering |
| Recommended Use | Mobile Phone Repair, Motherboard Repair & Electronics Servicing |




















