203 Thermostat Soldering Station by Southern Machinery

The 203 is a compact, affordable bench station for hand soldering, desoldering, and PCB repair in EMS, appliance, and power-supply factories. Its sensor front-panel design, 90W intelligent heating, and 50–600 °C range keep the tip stable through lead-free THT work—without the cost of a high-frequency station.

What Is the 203 Used For?

• Hand soldering and touch-up of THT and SMT joints
• Rework of connectors, switches, and odd-form parts
• Prototype and low-volume PCB assembly benches
• Repair stations where budget and footprint matter

Verified Specifications

| Parameter | Specification |

|---|---|

| Model | 203 |

| Power supply | AC220V / 50Hz |

| Temperature range | 50–600 °C |

| Max power | 90 W |

| Temperature stability | ±2 °C |

| Tip-to-ground resistance | < 2 Ω |

| Tip-to-ground potential | < 2 mV |

| Temperature compensation | Fastest |

| Heating mode | Intelligent |

| Handle / heating element | 90W handle, 90W heater |

| Available tips | 200 series tips |

Specifications are taken from the Southern Machinery product page. Please confirm at quotation.

Why It Earns Its Bench Space

1. The sensor front-panel design keeps temperature accurate with rapid thermal recovery.
2. Auto sleep and shutdown reduce standby energy use.
3. A password lock keeps your soldering profile from drifting.
4. Digital calibration is easy at any skill level.

ROI Perspective

Hand soldering is still the last manual step on most THT boards. A stable, calibrated station reduces cold joints, rework, and scrap, while 200-series tips keep consumable costs low. For heavier lead-free rework, the 150W high-frequency S-205 is the next step up.

About Southern Machinery

Founded in Shenzhen in 2011, Southern Machinery supplies SMT and THT automation—insertion, wave soldering, board handling, cleaning, and inspection—to more than 237 electronics manufacturers worldwide.

FAQ

Q: How is the 203 different from the S-205?

A: The 203 is a 90W thermostat station for general hand soldering and repair; the S-205 is a 150W high-frequency digital station for heavier lead-free rework.

Q: Which tips does it take?

A: It uses a 90W handle and 90W heater with 200-series tips.

Q: Can operators change the temperature?

A: The setpoint is protected by a password lock, with auto sleep and shutdown.

Q: What is the power supply?

A: AC220V/50Hz as standard; confirm your local voltage at quotation.

Q: Is it ESD safe?

A: Tip-to-ground resistance is under 2 Ω and tip-to-ground potential is under 2 mV.

Next Steps

Quotation and tip options: jasonwu@smthelp.com | WhatsApp +86 13602562576.

Product page: https://www.smthelp.com/203-thermostat-soldering-station-for-pcb-assembly.html

Images: https://ph.smthelp.com | Catalog: https://file.autoinsertion.com

Videos: https://www.youtube.com/c/Smthelping