DIP assembly, or through-hole technology (THT), mounts DIP components by inserting their leads into plated holes on the PCB and soldering them on the opposite side. It provides strong mechanical joints for high-reliability electronics.

DIP Assembly Process:
- DIP components are inserted into drilled PCB holes.
- Leads pass through and are held in position.
- Solder fills the holes to form the joints.
- Excess leads are trimmed after soldering.

DIP Components:
- DIP ICs and connectors.
- Electrolytic capacitors and large transformers.
- Relays, switches and high-power parts.
- Through-hole resistors and diodes.

Key Advantages:
- Strong, durable mechanical connections.
- Better for high-vibration and high-power boards.
- Easy manual assembly and rework.
- Reliable for prototyping and small batches.

DIP assembly remains essential where strength and easy servicing matter in electronic manufacturing.