technical data sheet for customer support or general questions please contact a local office or visit our website at www.marlow.com . mi form 005-0690 rev. 2 doc # 102-0383 rev 5 - page 1 of 2 NL2070 two-stage thermoelectric cooler rohs eu compliant typical performance values mechanical characteristics dimensions are shown inches [millimeters]. ordering options product features ? ideal for large temperature differentials ( ? t) and large heat pumping applications. ? rated operating temperature is 130c. ? superior nickel diffusion barriers on elements. ? high strength for rugged environment. ? pretinned metallized ceramic surface(s) 117c solder option available. 1.575 [40.0] 1.575 [40.0] .315.010 [8.00.3] (+) (-) leads: 22 awg bus solid tinned copper .005 [0.13] a .003 [0.08] .003 [0.08] cold side, tc hot side, th -01ac, -02ac, -03ac, -04ac 2.00.25 [50.806.35] -05ac 8.00.25 [203.26.35] a nitrogen hot side temperature (c) 27c 50c ? tmax (c-dry n 2 ): 81 91 qmax (watts): 45.0 50.0 imax (amps): 7.2 7.2 vmax (vdc): 15.5 17.2 ac resistance (ohms): 1.92 -- model number description NL2070-01ac tem, top and base metallized exterior NL2070-02ac tem, base metallized exterior NL2070-03ac tem, no metallized exterior NL2070-04ac -02ac with base pretinned with 117c solder NL2070-05ac -01ac with 8 inch insulated wires vacuum hot side temperature (c) 27c 50c ? tmax (c-dry n 2 ): 88 100 qmax (watts): 46.0 51.0 imax (amps): 7.2 7.2 vmax (vdc): 15.5 17.2 ac resistance (ohms): 1.92 --
doc # 102-0383 rev 5 - page 2 of 2 typical performance curves environment: for performance information in a vacuum or with hot side temper atures other than 27c or 50c, contact one of our applications engineers at 877-627-5691. installation recommended mounting method: clamp with un iform pressure to a flat surface with th ermal interface material. for additional information, please refer to our tec installation guide. 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. contact us: for customer support or general qu estions please contact a local office below or visit our website at www.marlow.com . marlow industries, inc. 10451 vista park road dallas texas 75238-1645 214-340-4900 (tel) 214-341-5212 (fax) 877-627-5691 (tech support) www.marlow.com marlow industries europe gmbh brunnenweg 19-21 64331 weiterstadt germany tel.: +49 (0) 6150 5439 - 403 fax: +49 (0) 6150 5439 - 400 info@marlow-europe.eu ii-vi japan inc. wbg marive east 17f 2-6 nakase, mihama-ku chiba-shi, chiba 261-7117 japan 81 43 297 2693 (tel) 81 43 297 3003 (fax) center@ii-vi.co.jp www.ii-vi.co. jp ii-vi singapore pte., ltd. blk. 5012, techplace ii #04-07 & 05-07/12, ang mo kio ave. 5 singapore 569876 (65) 6481 8215 (tel) (65) 6481 8702 (fax) info@ii-vi.com.sg www.ii-vi.com.sg marlow industries china, ii-vi technologies beijing a subsidiary of ii-vi incorporated rm 202, 1# lize 2nd middle road wangjing, chaoyang district beijing 100102 china 010-64398226 ext 105 (tel) 010-64399315 (fax) info@iivib j .com nitrogen vacuum
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