Through-hole
Through-hole is a traditional method of assembling electronic components on circuit boards, where parts have metal pins that go through holes in the board and are soldered on the other side. Think of it like putting a post through a fence hole and securing it on the other side. While newer methods exist, through-hole is still widely used for components that need extra physical strength or for repair work. It's easier to work with by hand compared to newer methods, making it particularly important in repair and maintenance roles.
Examples in Resumes
Repaired vintage electronics using Through-hole soldering techniques
Trained junior technicians in Through-hole component replacement
Specialized in Through-hole and PTH assembly for industrial equipment
Typical job title: "Electronics Technicians"
Also try searching for:
Where to Find Electronics Technicians
Professional Forums
Job Resources
Learning Resources
Example Interview Questions
Senior Level Questions
Q: How would you train someone to identify and fix common through-hole soldering problems?
Expected Answer: A senior technician should explain teaching methods for identifying cold joints, proper heat application, and common failure points. They should mention safety procedures and quality inspection techniques.
Q: What factors do you consider when choosing between through-hole and surface mount repair methods?
Expected Answer: They should discuss considerations like component availability, board thickness, mechanical stress requirements, and whether the repair is temporary or permanent.
Mid Level Questions
Q: What tools and equipment do you use for through-hole repairs?
Expected Answer: Should mention soldering iron, desoldering pump, solder wick, flux, proper temperature settings, and safety equipment like fume extractors and magnification tools.
Q: How do you ensure the quality of your through-hole repairs?
Expected Answer: Should describe visual inspection methods, testing procedures, and quality standards for good solder joints.
Junior Level Questions
Q: What is the basic process of through-hole soldering?
Expected Answer: Should explain the steps of inserting components, heating the joint, applying solder, and basic safety procedures.
Q: How do you identify a good versus bad through-hole solder joint?
Expected Answer: Should describe basic visual characteristics of good joints (shiny, cone-shaped) versus bad joints (dull, grainy, or ball-shaped).
Experience Level Indicators
Junior (0-1 years)
- Basic soldering technique
- Component identification
- Safety procedures
- Simple repairs and replacements
Mid (1-3 years)
- Complex component replacement
- Board-level troubleshooting
- Quality control inspection
- Reading circuit diagrams
Senior (3+ years)
- Training and supervision
- Advanced repair techniques
- Equipment maintenance
- Process improvement
Red Flags to Watch For
- No hands-on soldering experience
- Unfamiliar with basic safety procedures
- Cannot identify proper solder joint appearance
- No experience with repair documentation
- Lack of patience for detailed work
Related Terms
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