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TMOV20R150E Datasheet(PDF) 7 Page - Littelfuse |
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TMOV20R150E Datasheet(HTML) 7 Page - Littelfuse |
7 / 9 page Varistor Products 30 www .littelfuse .com Thermally Protected TMOV® and iTMOV® Varistor Series Soldering Recommendations Because the TMOVTM and i TMOV varistors contain a thermal protection device, care must be taken when soldering the devices into place. Two soldering methods are possible. Firstly, hand soldering: It is recommend- ed to heat-sink the leads of the device. Secondly, wave-soldering: It is critically important that all preheat stage and the solder bath tempera- tures are rigidly controlled. The recommended solder for the TMOV and i TMOV varistors is a 62/36/2 (Sn/Pb/Ag), 60/40 (Sn/Pb) or 63/37(Sn/Pb). Littelfuse also recommends an RMA solder flux. Ordering Information TMOV 20 R E 150 DEVICE FAMILY Littelfuse Thermally Protected MOV DISC DIAMETER (mm) 14 or 20mm CERAMIC SHAPE R: Round Series Designator E: 2- Leaded TMOV Varistor Series Supplied in Bulk Pack with 7.5mm lead spacing. M: 3-Leaded iTMOV Varistor Series Supplied in Bulk Pack with 7.5mm lead spacing (between leads 1 & 2) VM(AC)RMS 115V to 750V Standard Parts 0 50 100 150 200 250 300 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 TIME (MINUTES) M A X IMUM WAVE 240 º C PREHEAT Figure 10: Wave Solder Profile NOTE: By ordering the standard part number, i.e. TMOV20R150E, standard lead styles, packing and lead spacing will be supplied. These specifications are as follows: • Straight Leads • Bulk Packed • 7.5mm Lead Spacing • Leads not in-line except parts > 420 V Tape and Reel • Add suffix L2T7 to the end of standard part number (ex. TMOV20R150EL2T7) • Tape and Reeled parts have in-line, crimped leads. See drawings on pg 32. Alternative Leadstyles: • Contact factory for details Additional Options 2 |
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