Page 192 - Electromechanical Devices and Components Illustrated Sourcebook

154 Electromechanical Devices & Components Illustrated Sourcebook

shows two typical low-wattage, electronic soldering irons.
Screw Terminal Solder Joint The top illustration shows a basic, general purpose unit. The
bottom illustration shows a precision unit with temperature
Figure 9-18 Ground Lug control.
Medium sized units in the 60 to 150 watt range are used
Soldering irons are generally rated in watts. Lower wattage for general applications, such as automotive, machine, and
irons are used for delicate electronics that may be damaged by appliance wiring. Figure 9-20 shows two typical solder irons
applying too much heat. These units also have small tips that in the medium size range. The top illustration shows a dual-
allow the iron to be used in cramped applications. Figure 9-19

Thermal Isolator
Handle
Tail Heater Element

Tip

35 watt
AC Cord
Read Out
Power Supply

°F
°C
5
4 6
3 7
2 8
ON
1 9
15–30 watt 0 10
OFF
Temperature Adjustment
120 VAC Power Switch
Figure 9-19 Electronic Soldering Irons

100/140-watt
Dual Range Tip
Soldering Gun
Transformer
Housing

Work Lamp
Dual Range Trigger

Handle

120 VAC
Diamond Tip Wooden Handle
AC Cord
125-watt Element

AC Cord
120 VAC

Figure 9-20 General Purpose Soldering Irons