performance parameters dimensions 1md02-040- xxteg a. teg assembly: 1. solder sn-sb, t melt =230? (default assembly solder) 2. solder au-sn, t melt =280? (optional solution, by request) ! b. teg ceramics: 1. al 2 o 3 (100%) - default 2. aln - by request ! ! ! ! c. ceramics surface options: 1. blank ceramics - default 2. metallized (au plating) 3. metallized and pre-tinned with: 3.1. in-sn, t melt =117? 3.2. sn-bi, t melt = 138? 3.3. in-ag, t melt = 143? 3.4. in, t melt = 157? 3.5. pb-sn, t melt =183? 3.6. optional type (can be speci?d by customer) ! ! d. thermistors (optional) can be mounted to ceramics edge. calibration is available by request. ! e. terminal contacts 1. blank, tinned copper wires 2. insulated wires 3. insulated, color coded 4. wb pads or posts (default ) 5. flip-chip (optional) manufacturing options thermoelectric power generating solutions dimensions are in mm ! 46 warshavskoe shosse. moscow 115230 ? russia, ph: +7-499-678-2082, fax: +7-499-678-2083, web: www.rmtltd.ru copyright 2014. rmt ltd. the design and speci?ations of products can be changed by rmt ltd without notice. page # of # 1 8 teg performance at specified hot side temperature h mm optimum power output pout, w optimum voltage uout, v open circuit voltage uoc, v resistance acr, ohm 85? 55? 35? 85? 55? 35? 85? 55? 35? 85? 55? 35? 1md02-040-03teg 0.04 0.01 0.001 0.58 0.28 0.08 1.01 0.48 0.14 6.92 6.43 6.11 0.8 performance values are speci?d for teg cold side at +27?, dry air. optimum power and voltage are given at optimum load resistance
voltage, v 0.08 0.15 0.23 0.30 0.38 0.45 0.53 0.60 optimum power, w 0.007 0.013 0.020 0.027 0.033 0.040 hot side temperature, ? 27 32 37 42 47 52 57 62 67 72 77 82 87 power voltage voltage, v 0.17 0.33 0.50 0.67 0.83 1.00 / opt 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 ratio rload/rteg 0.00 0.60 1.20 1.60 2.20 2.80 3.40 4.00 4.60 5.20 5.80 6.40 7.00 7.60 8.20 8.80 9.40 ef?iency voltage performance data 1md02-040 -03teg thermoelectric power generating solutions voltage, v 0.07 0.13 0.20 0.27 0.33 0.40 optimum power, w 0.002 0.005 0.007 0.009 0.012 0.014 hot side temperature, k 50 52 54 56 58 60 62 64 66 68 70 72 74 76 78 80 82 84 86 power voltage tcold=27 c tcold=50 c performance data at optimum load resistance (rload) note: power generation performance charts are speci?d in optimum conditions, dry air, with cold side temperature set at +27? and 50?. heatsink thermal resistance is not included into estimations. ! 46 warshavskoe shosse. moscow 115230 ? russia, ph: +7-499-678-2082, fax: +7-499-678-2083, web: www.rmtltd.ru copyright 2014. rmt ltd. the design and speci?ations of products can be changed by rmt ltd without notice. page # of # 2 8 parameter units values at hot side temperature 85? 55? 35? cold side temperature, tcold ? 27 27 27 optimum ef?iency, opt % 2.66 1.34 0.39 optimum power, popt w 0.036 0.009 0.001 optimum voltage, uopt v 0.579 0.275 0.077 ac resistance, rteg ohm 6.92 6.43 6.11 optimum load resistance, rload ohm 9.34 8.68 8.18 open circuit voltage,uoc v 1.01 0.48 0.14 short circuit current, isc a 0.15 0.07 0.02 thermal resistance, rt ?/w 42.90 42.86 42.77
thermoelectric power generating solutions thermoelectric generator overview top ceramics al 2 o 3 ceramics by default (aln solution is available by request) internal assembly solder (lead-free, sn-sb , tmelt=230?) pellets (bite posts) bottom ceramics terminal contacts (wb pads) application tips 1. never heat teg module more than 200?c (teg is assembled at 230?c). 2. teg module to be ?ed between hot and cold exchangers with an optimal thermal contact for the best ef?iency. improper contact may reduce dt level and power output. 3. teg polarity depends on applied hot and cold side orientation installation 1. mechanical mounting . teg is placed between two heat exchangers . this construction is ?ed by screws or in another mechanical way. it is suitable for relatively large teg modules (with dimensions 15x15mm 2 and larger). miniature teg types may require another assembling methods. 1. soldering . this method is suitable for a teg module with metallized outside surfaces. rmt provides this option and also makes pre-tinning for te generators . 2. glueing . it is an up-to-date method that is used by many customers due to availability of glues with good thermoconductive properties. a glue is usually based on some epoxy compound ?led with some thermoconductive material such as graphite or diamond powders, silver, sin and others. the application of a speci? type depends on application features and the type of a teg module. + + - - tcold thot thot tcold ! 46 warshavskoe shosse. moscow 115230 ? russia, ph: +7-499-678-2082, fax: +7-499-678-2083, web: www.rmtltd.ru copyright 2014. rmt ltd. the design and speci?ations of products can be changed by rmt ltd without notice. page # of # 3 8
thermoelectric power generating solutions terminal contacts options the wires by default are of tinned copper, blank (not insulated ). various options for isolated wires are available by request. the available solutions include isolated wires, isolated color-coded wires, ?xible multicore wires and more. te generator terminal contacts can be modi?d from standard wb pads solution to wb posts type or flip-chip if required. additional options standard thermoelectric generator height can be modi?d without performance changes by using ceramics of different thickness. standard thermoelectric generator height (speci?d in this datasheet) may be modi ed in a range -0.5..+1.0mm . terminal contacts modi?ation teg height m odi?ation standard wb solution terminal wires wb solution flip-chip optimized standard height modi?d height, another ceramics thickness standard thermoelectric generator shape can be modi?d without performance changes rmt has full-featured ?xibility with thermoelectric generator shape and ceramics modi?ation. teg shape m odi?ation standard shape modi?d shape, different solutions are available ! 46 warshavskoe shosse. moscow 115230 ? russia, ph: +7-499-678-2082, fax: +7-499-678-2083, web: www.rmtltd.ru copyright 2014. rmt ltd. the design and speci?ations of products can be changed by rmt ltd without notice. page # of # 4 8
= 400uv/k e = x (t hot - t cold ) x n i = (r teg + r load ) e p out = i 2 x r load n couples t cold t hot thermoelectric generator basics simpli?d te generator estimations the level of power output of thermoelectric generator in conditions speci?d can be estimated by the following formulas. current i r teg teg resistance (acr value) r load resistance in connected chain getting data from teg type name rmt thermoelectric generators have a nomenclature system that allows to get the required data for estimations quickly. 1md02-040 -05teg n couples general rteg (acr) values are speci?d in the datasheet in main table (page 1). thermoelectric generator rteg value depends on the ambient temperature. for the precise estimations, please, contact rmt specialists directly. thermoelectric power generating solutions ! 46 warshavskoe shosse. moscow 115230 ? russia, ph: +7-499-678-2082, fax: +7-499-678-2083, web: www.rmtltd.ru copyright 2014. rmt ltd. the design and speci?ations of products can be changed by rmt ltd without notice. page # of # 5 8
thermoelectric generator basics current i r teg teg resistance (acr value) r load r load dc-dc u in u out r resistances and teg e ? ciency thermoelectric generator best ef?iency is reached at load resistance (rload) close to thermoelectric generator resistance rteg. in most cases thermoelectric generator best ef?iency is reached at rload/rteg ratio in a range 1.2 - 1.4 40mv 2.4v output voltage and dc-dc converters dc-dc converters are recommended to use with miniature thermoelectric generators, especially in low dt mode. / opt 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 ratio rload/rteg 0.00 0.60 1.20 1.60 2.20 2.80 3.40 4.00 4.60 teg ef?iency resistance in connected chain thermoelectric power generating solutions ! 46 warshavskoe shosse. moscow 115230 ? russia, ph: +7-499-678-2082, fax: +7-499-678-2083, web: www.rmtltd.ru copyright 2014. rmt ltd. the design and speci?ations of products can be changed by rmt ltd without notice. page # of # 6 8
contacts ! russia - rmt ltd. headquarters warshavskoe sh. 46, 115230, moscow russia tel: +7-499-678-2082 fax: +7-499-678-2083 web: www.rmtltd.ru email: info@rmtltd.ru europe /usa - tec microsystems gmbh schwarzschildstrasse 8 , 12489 berlin germany tel: +49 30 6789 3314 fax: +49 30 6789 3315 web: www.tec-microsystems.com email: info@tec-microsystems.com ! china - protec ltd.
b 207 +86-755-61596066 +86-755-61596036 518054 web: www.protecltd.com email: info@protecltd.com ! ! ! ! korea - sun?wer energy 1f, 665-6, pungdeokcheon-dong suji-gu, yongin-si, gyeonggi-do south korea tel: +82 312767992 f ax: +82 312767993 web: http://www.sun?co.kr ! taiwan - wellspring & vim tech corp 9f-1, no.657 pei-an rd. taipei 104 taiwan tel: +886 2-85091756 f ax: +886 2-85091846 web: www.wellvim.com.tw email: info@wellvim.com.tw thermoelectric power generating solutions ! 46 warshavskoe shosse. moscow 115230 ? russia, ph: +7-499-678-2082, fax: +7-499-678-2083, web: www.rmtltd.ru copyright 2014. rmt ltd. the design and speci?ations of products can be changed by rmt ltd without notice. page # of # 7 8
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