marlow industries inc. marlow industries inc. marlow industries inc. marlow industries inc. ? ? ? ? thermoelectric cooler SP1848 102-0132, rev a performance values mechanical characteristics hot side cold side .192 [4.88] negative positive 1.000 [25.4] [28.70] 1.130 1.000 [25.4] ceramic material: alumina (ac) millimeters are in [ ] ordering options hot side temperature (c) 27c 50c ? tmax (c-dry n 2 ): 62.0 70.6 qmax (watts): 21.3 23.6 imax (amps): 9.36 9.24 vmax (vdc): 3.48 3.88 ac resistance (ohms): 0.323 --- SP1848-00 with out lead wire SP1848-03 with 4? lead wire
thermoelectric cooler SP1848 copyright 2002, marlow industries, inc. marlow industries reserves the right to change the design and specifications of produc ts without notice. 102-0132, rev a performance curves environment: one atmosphere dry nitrogen hot side temperature: 27c hot side temperature: 50c 20.0 17.5 15.0 12.5 10.0 7.50 5.00 2.50 0.00 (watts) load heat 80.0 60.0 40.0 20.0 0.0 current (amps) 12.0 10.0 8.0 6.0 4.0 2.0 0.0 voltage (vdc) 4.0 3.0 2.0 1.0 0.0 20.0 17.5 15.0 12.5 10.0 7.50 5.00 2.50 0.00 (watts) load heat q=0 80.0 60.0 40.0 20.0 0.0 current (amps) 12.0 10.0 8.0 6.0 4.0 2.0 0.0 voltage (vdc) 3.0 2.0 1.0 0.0 t=0 t (c) t=0 q=0 t (c) for performance information in a vacuum or with hot side temperatures other than 27c or 50c, consult one of our applications engineers. installation recommended mounting methods: bonding with thermal epoxy or soldering with metallized ceramics. 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. marlow industries, inc. 10451 vista park road dallas texas 75238-1645 tel: 214-340-4900 fax: 214-341-5212 internet: http://www.marlow.com marlow industries europe aberdeen house, south road haywards heath west sussex rh164ng uk tel: +44 (0)1444-443404 fax: +44 (0)1444-443334 marlow industries asia 1-1-8-401 uehara, shibuya-ku tokyo, japan 151-0064 tel: +81 (3) 5454-5280 fax: +81 (3) 5454-5281
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