mi form 005 - 0808 rev. b doc # 102 - 030 4 rev m - page 1 of 2 www.marlow.com technical data sheet for nl 3021 t - ac/ - bc thermoelectric module nominal performance in nitrogen hot side temperature ( c) 27 50 tmax (c): 96 109 qmax (watts): 0.33 0.38 imax (amps): 1.3 1.3 vmax (vdc): 1.9 2.2 ac resistance (ohms): 1.42 -- product features ? rohs eu compliant ? pretinned metallized ceramic surface(s) with 117c solder. ? thermistor mounted on edge of cold side ceramic. (calibration available.) ? elevated temperature burn - in with test data provided. ordering options model number description nl3021t - 01 both surfaces are metallized nl3021t - 02 hot side exterior is metallized nl3021t - 03 no exterior metallization nl3021t - 0 both surfaces are metallized with pretinned hot side operation cautions for maximum reliability, storage and operation below 85c in a non - condensing environment is recommended. to minimize thermal stress, use linear/proportional temperature control or a similar method rather than an on/off method. installation recommended mounting methods: bonding with thermal epoxy or soldering with metallized ceramics. for additional information, please refer to our te m installation guide. ii - vi marlow dallas, tx usa marlow.sales@ii marlow industries europe germany +49 (0) 6150 5439 - 403 info@marlow vi japan inc. center@ii - vi.co.jp www.ii vi singapore pte., ltd. info@ii - vi.com.sg marlow industries china, ii technologies beijing 86 - 10 - 643 98226 info@iivibj.com
mi form 005 - 0808 rev. b doc # 102 - 030 4 rev m - page 2 of 2 www.marlow.com typical performance curves environment: one atmosphere dry nitrogen for performance information in a vacuum or with hot side temperatures other than 27c or 50c, contact one of our applications engineers at 877 mechanical characteristics all units are in inches and [ ] are in millimeters unless otherwise stated. for customer support or general questions please contact a local office or visit our website at www.marlow.com marlow reserves the right to make product changes without notice. 0.35 0.30 0.25 0.20 0.15 0.10 0.05 0.00 (watts) load heat t=0 q=0 t (c) 120.0 100.0 80.0 60.0 40.0 20.0 0.0 current (amps) 1.4 1.2 1.0 0.8 0.6 0.4 0.2 0.0 voltage (vdc) 2.0 1.6 1.2 0.8 0.4 0.0 0.30 0.25 0.20 0.15 0.10 0.05 0.00 (watts) load heat t=0 q=0 t (c) 120.0 100.0 80.0 60.0 40.0 20.0 0.0 current (amps) 1.4 1.2 1.0 0.8 0.6 0.4 0.2 0.0 voltage (vdc) 2.0 1.6 1.2 0.8 0.4 0.0 [50.80+/-6.35] 2.00 +/-.25 negative lead positive lead [5.38 +/-0.25] .212+/-.010 [2.54] .100 [2.54] .100 cold side [6.60] .260 [6.60] .260 leads: 28awg bus solid tinned copper .004 [0.10] .001 [0.03] .001[0.03] a ceramic material: alumina (ac) or beryllia (bc) a millimeters are in [ ] hot side temperature 27c hot side temperature 50c beryllium oxide handling precautions beryllium oxide can be toxic only when dust, mist, or fumes containing particles small enough to enter the lungs are inhaled. for the user, precautions required are to avoid grinding, machining or pulverizing the material by mechanical, thermal, or chemical processing. marlow industries, inc. r
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