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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 66 36 3.7 14.7 3.2 50C 74 39 3.7 16.4 --- DT12-4 Mechanical Characteristics Lapped Unlapped TOP VIEW 1.339 [34] 1.181 [30] 1.181 [30] Cold Side Height .131 .001[0.03] .135 .005[0.13] Flatness .001[0.03]. .002[0.05] Parallelism .002[0.05] .003[0.08] [4.00 + .5] Negative Positive Hot Side SEE TABLE Note: Base model shown Dimensions in [ ] are millimeters Ceramic Material: Alumina (AC) 20 AWG Leads (Teflon Insulation) Ordering Options Model Number DT12-4-01 DT12-4-01L DT12-4-01S DT12-4-01LS Description Base Model Lapped Model Sealed Model Lapped and Sealed Model Features * * * * * * * Solid state reliability Built with high temperature solder with the ability to withstand higher assembly processing temperatures for short periods of time (<160C) Superior nickel diffusion barriers on elements High strength for rugged environment Porched configuration for improved leadwire strength RTV sealing option available to improve reliability in condensing environment Lapped option available for multiple module applications. 102-0153, Rev E Thermoelectric Cooler Performance Curves Environment: One atmosphere dry nitrogen Hot Side Temperature: 27C 80.0 HEAT LOAD (WATTS) 0.00 2.50 5.00 7.50 10.0 12.5 15.0 17.5 20.0 22.5 25.0 27.5 30.0 35.0 80.0 DT12-4 Hot Side Temperature: 50C HEAT LOAD (WATTS) 0.00 2.50 5.00 7.50 10.0 12.5 15.0 17.5 20.0 22.5 25.0 27.5 30.0 32.5 60.0 T (C) 60.0 T (C) VOLTAGE (VDC) 40.0 40.0 20.0 20.0 0.0 16.0 VOLTAGE (VDC) 12.0 8.0 4.0 0.0 0.0 0.0 16.0 12.0 8.0 4.0 0.0 0.0 Q=0 T=0 Q=0 T=0 1.0 2.0 3.0 4.0 5.0 1.0 2.0 3.0 4.0 5.0 CURRENT (AMPS) CURRENT (AMPS) For performance information in a vacuum or with hot side temperatures other than 27C or 50C, consult one of our Applications Engineers. Installation Consult Marlow Industries' Thermoelectric Installation Guide or reliability report for more details. For additional information, please contact one of our application engineers for technical support. Operation Cautions Maximum storage and operation +150C. For maximum reliability, storage and operation below 85C is recommended. Excessive power cycling and powering through thermostatic (on/off) control is not recommended. Marlow Industries, Inc. 10451 Vista Park Road Dallas Texas 75238-1645 TEL: 214-340-4900 FAX: 214-341-5212 Internet: 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 2000, Marlow Industries, Inc. Marlow Industries reserves the right to change the design and specifications of products without notice. 102-0153, Rev E |
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