Datasheet EM273 (Primo) - 7

PRIMO COMPANY LIMITED size of microphone soldering temperature heating time soldering equipment φ10～19.4mm 320～360℃ less than 2sec. 40～60ｗ equivalent φ4～6mm 300～340℃ less than 2sec. 40ｗ equivalent ＊The above recommendations apply to products using Pb free solder. (Sn-3.0Ag-0.5Cu) with no clean flux core. ＊ Above recommended temperature of iron's tip is applied to the microphone's terminals (pads) directly. However, it is necessary to adjust the temperature of soldering equipment more than recommended temperature above several 10 degrees in case of different conditions which are the solder pad area of each terminal, the gauge of wire, the soldering equipment, and the room temperature etc.. ＊The soldering pads on a 4mm microphone will be a very small area. Therefore use fine wire less than 36AWG or suitable strained wire with a R0.5mm or less soldering iron tip. ＊Heat Sink Fixture (example) material : aluminum φ19.4mm φ14.6mm φ10mm φ5.8mm φ4mm 10 * The dimension of "h" is 100% of the thickness (height) of the microphone. The microphone can sit lower but no higher. * 4mm microphones can be effected by heat very easily. φ4 Therefore it's very important to effectively fixture the element 5 like the left illustration. 1 h ～ 0 1 φ2.5 2 / 4