rmt ltd. copyright 2007. rmt ltd. the design and speci ? cations of products can be changed by rmt ltd. without notice. 2 technical drawing performance parameters ordering options a. tec internal solder: lead-free snsb solder (tmelt=230c) b. tec ceramics: 1. pure al 2 o 3 (100%) 2. alumina (al 2 o 3 96%) 3. aluminium nitride (aln) c. surface finish (one or both) 1. blank ceramics 2. metallized: 2.1 ni-sn plaiting 2.2 au plaiting 3. metallized and pre-tinned 3.1 solder 94 (pbsnbi,t melt =94c) 3.2 solder 117 (insn,t melt =117c) 3.3 solder 138 (snbi,t melt =138c) 3.4 solder 183 (pbsn,t melt =183c) 3.5 solder 199 (snzn, t melt =199c) d. thermistor (optional) ntc thermistor type tb resistance nominal 1. 2.2 kohm@20c 2 10.0 kohm@20c individual calibration is avaiable in -65..+85c perfomance data are given for thot=300k vacuum thermoelectric module datasheet type d tmax k qmax w imax a umax v ac r ohm h mm h mm 1md04-003-xx (n=3) 1md04-003-05 70 0.311.5 0.35 0.191.10.5 1md04-003-08 71 0.201.0 0.311.40.8 1MD04-003-10 72 0.160.8 0.381.61.0 1md04-003-12 72 0.140.7 0.461.81.2 1md04-003-15 72 0.110.60 0.572.11.5
rmt ltd. copyright 2007. rmt ltd. the design and speci ? cations of products can be changed by rmt ltd. without notice. 3 thermoelectric module datasheet perfomance plots are created with teccad software. teccad is available for download from rmt ltd. website - www.rmtltd.ru standard performance plots color legend: imax , 0.8 imax , 0.6 imax , 0.4 imax color legend: imax , 0.8 imax , 0.6 imax , 0.4 imax standard performance plots 1md04-003-05 1md04-003-08
rmt ltd. copyright 2007. rmt ltd. the design and speci ? cations of products can be changed by rmt ltd. without notice. 4 thermoelectric module datasheet perfomance plots are created with teccad software. teccad is available for download from rmt ltd. website - www.rmtltd.ru color legend: imax , 0.8 imax , 0.6 imax , 0.4 imax color legend: imax , 0.8 imax , 0.6 imax , 0.4 imax standard performance plots standard performance plots 1md04-005-10 1md04-003-12
rmt ltd. copyright 2007. rmt ltd. the design and speci ? cations of products can be changed by rmt ltd. without notice. 5 thermoelectric module datasheet applications tips cautions 1. do not heat te module more than 200 o c (tec assembled at 230 o c) or 160 o c (optional tecs assembled at 183 o c). 2. do not use te module without attached heat sink at hot (bottom) side. 3. connect te sub-mount to a dc power supply in acccordance to polarity. 4. do not apply dc current higher than i max . 3. glueing a glue is usually based on some epoxy compound ? lled with some thermoconductive material such as graphite or diamond powders, silver, sin and others. the application of a speci ? c type depends on application features and the type of a te module. installation de ? nitions value description notes d t max maximum temperature difference at i=i max rated at q max =0, at other q it should be estimated as d t= d t max (1-q/q max ) q max maximum heat pumping capacity at i=i max rated at d t=0, at other d t it should be estimated as q=q max (1- d t/ d t max ) i max maximum current electric parameters resulting in greatest d tmax u max maximum voltage drop r t header thermal resistance - xx thermoelectric pellet length code pellet length is "-xx" x 10 (in mm) t hot tec hot side temperature performance data shown in speci ? cations are given for t hot =300 k, vacuum h total tec height all dimensions are given in mm color legend: imax , 0.8 imax , 0.6 imax , 0.4 imax standard performance plots 1md04-003-15 1. mechanical mounting tec is placed between two heat exchangers . this construction is ? xed by screws or in another mechanical way. it is suitable for large modules (with dimensions 30mmx30mm and larger). miniature types require other assembling methods. 2. soldering this method is suitable for a te module with metallized outside surfaces (cold and hot sides). rmt provides this option and also makes pre-tinning for te modules. in comparison with a mechanical assembling method, soldering requires careful procedures.
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