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Ultrasonic soldering iron Sunbonder USM-560


Sunbonder is your best choice for flux free, high quality ultrasonic soldering.
In the past, flux and heating were the typical methods to be used for soldering, but Sunbonder introduces a new type of soldering, based on heat and ultrasonic vibrations. The induced cavitation effect replaces usage of flux as well as the cleaning process, since there's no exhaust fumes and pollution.
By combining this device with Cerasolzer, the customer can solder on almost of all the materials, for example glass, ceramics, aluminum, molybdenum etc., except for organic substances.

We also have the other models USM-528 , USM-540 for customers who wish to use a soldering tip bigger than that of USM-560(dia4.0mm).

Please feel free to ask us for more details.

USM-560 had previously been present on the market under the trade name of USM-5. Ever since introducing USM-540 and USM-528 in 2012, the name has been changed in USM-560. The name of each product reflects the maximum ultrasonic frequency it can operate on.
In cases where the expression "USM-5 series" is used, the explanation includes all 3 models of Sunbonder.


  • User-friendly interface
  • By combining Sunbonder with Cerasolzer, the customer can solder directly on glass/ceramics/low-solderability materials
  • New feed-back method developed from careful research of oscillator frequency settings enables stable, reliable work.
  • Output adjustable by stepless control
  • Temperature can be set within 200~500℃, by 10℃ unit
  • Temperature ascend time: 1 minute to 400℃
  • Frequency, power output and temperature can read out from a display and easily replicated when necessary.
  • Small, compact design enables easy changes of working station.
  • Suitable for use abroad, with AC ranging from 100V to 240V.
  • CE mark compatible.

USM-560 is the next generation of USM-IV and USM-III. (The older model has already been decommissioned, although we still supply spare parts and continue maintenance support.)
We also sell individual parts.


  • Small scale production.
  • For use in laboratory conditions, while preparing data before mass production and for inspection purposes.
  • Soldering electrodes for display goods.
  • Soldering electrodes for solar cells.
  • Soldering electrodes on highly conductive ceramic substrates.
  • Bonding electronic parts.
  • EL lighting.

Image: Comparison of soldering tips for all USM-5 series models

USM-560 USM-540 USM-528

Contents of the set

  • USM-560 Generator unit - 1 pcs
  • Soldering iron (with tip and heater) for USM-560 - 1 pcs
  • Foot switch for USM-560 - 1 pcs
  • Power supply cable for USM-560 - 1 pcs
  • Wrench (for exchanging soldering tips) - 2 pcs
  • Soldering tip cleaner - 1 pcs
  • Fuse - 1 pcs
  • User manual

Lead time / Before ordering

Lead time

Please ask about lead time when placing your order.

Order specification

To become eligible for our customer service / quality protection scheme, please provide us with the following information upon placing your order:
End customer name/address; desired frequency settings; desired plug details.

Choosing the correct soldering tip

Please specify line diameter/shape of the work area based on below mentioned information. In case of any doubts or questions, feel free to contact us.
Please choose one of the 2 specification standards for soldering tip and iron.

By the tip diameter

dia1.0~4.0mm, adjustable by 0.5 mm unit

By the shape of tip

Straight cut or taper cut


Generator unit

Ultrasonic frequency Frequency adjustment 60KHz±5KHz
Ultrasonic oscillations output 1~12W, adjustable by 0.1W unit
Heater temperature setting 200℃~500℃
Temperature adjustment By 10℃
Power supply AC100V/240V  50/60Hz 200W
Size 210×235×90(mm)
Weight About 5 kg

Soldering iron

Transducer (P.Z.T)60KHz
Iron base material Special stainless steel
Tip shape Straight cut or taper cut (please choose one)
Tip diameter dia1.0~4.0mm, adjustable by 0.5mm (please choose one value)
Heater High-performance sheathed heater 65W
Size dia136(max) ×250(mm)
Weight About 210g (with cord)
  • In case of receiving no further specification, our standard sodlering tip for this product is dia4.0mm, tapered cut.
  • We can customize soldering tips. Please contact us if you have any specific requests in this area.

Ask us about this product

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