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| marlow industries inc.(R) Thermoelectric Cooler Performance Values Hot Side Temperature (C) Tmax (C-dry N2): Qmax (watts): Imax (amps): Vmax (vdc): AC Resistance (ohms): 27C 60.0 20.4 8.92 3.63 0.332 50C 68.0 22.6 8.76 4.02 --- SP1975 Mechanical Characteristics marlow SP1975 LOT XXXXXX - USA + Positive Lead (Red) Leads are 20 AWG Teflon Insulated Negative Lead (Blk) 1.00 [25.4] 1.00 [25.4] 1.13 [28.7] 4.00 .5 [101.6 12.7] Cold Side, Tc .002 [0.050] A .001 [0.025] .192 .001 [4.87 .025] .001 [0.025] Hot Side, Th A Ceramic Material: Alumina (AC) Millimeters are in [ ] Ordering Options SP1975-00 SP1975-03 with out lead wires with 4" lead wires 102-0205, Rev A Thermoelectric Cooler Performance Curves Environment: One atmosphere dry nitrogen TA(C)= 27 80.0 HEAT LOAD (WATTS) 0.00 2.50 T (C) 40.0 T (C) 5.00 7.50 10.0 20.0 12.5 15.0 17.5 0.0 0.0 4.0 VOLTAGE (VDC) 3.0 2.0 1.0 0.0 0.0 20.0 40.0 80.0 TA(C)= 50 SP1975 HEAT LOAD (WATTS) 0.00 2.50 5.00 7.50 10.0 12.5 15.0 17.5 20.0 60.0 60.0 VOLTAGE (VDC) 3.0 2.0 1.0 Q=0 T=0 Q=0 T=0 0.0 0.0 2.0 4.0 6.0 CURRENT (AMPS) 8.0 10.0 2.0 4.0 6.0 CURRENT (AMPS) 8.0 10.0 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 Copyright 2002, Marlow Industries, Inc. Marlow Industries reserves the right to change the design and specifications of products without notice. 102-0205, Rev A |
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