SDG #297 Sequre S60 60W USB-C JBC C210 Soldering Iron

The Sequre S60 is a USB-C powered soldering iron built around JBC C210 style cartridges, and the standout finding is that it accepts genuine JBC tips rather than restricting the user to a thin proprietary range. That matters more than the headline wattage: cheaper USB irons such as the Pinecil or Miniware alternatives are often limited by tip selection, whereas the C210 ecosystem opens up serious fine pitch work.

The review covers what actually arrives in the box, including a carry case, a stand with sponge (a genuinely practical addition, since resting a hot USB iron on the bench is a common failure mode) and a bundled charger. That charger is the first caveat: at roughly 3A/5V, 2A/9V and 1.5A/12V it tops out near 18W, so the 60W figure describes the internal driver’s capability, not what is available out of the box. Input is capped at 12V across PD 2.0/3.0 and Quick Charge 2/3.

The teardown shows a tidy v1.8 board with an N channel MOSFET, a 100W PD controller, a precision op amp for thermocouple reading, an STM32 class microcontroller, fuse protection and an accelerometer driven sleep function. Heater resistance is compared directly: the supplied cartridge reads about 2.4 ohms against 1.9 ohms for a genuine JBC C210, meaning slightly more power from the genuine part and still within the driver’s limits.

Calibration is verified against a tip thermometer at both 300 and 350 degrees C, within a couple of degrees. A printed manual explaining the display and menu structure is a welcome rarity in this category. Conclusion: the 60W version is the one to buy, with a user settable power limit where needed.