marlow industries inc.® Thermoelectric Cooler DT3-8 Performance Values Hot Side Temperature (°C) 27°C 50°C ∆ Tmax (°C-dry N2): 65 73 Qmax (watts): 17 19 Imax (amps): 7.4 7.4 Vmax (vdc): 3.6 4.1 AC Resistance (ohms): 0.4 --- Height Mechanical Characteristics Parallelism Lapped .139 ± .001[0.03] .001[0.03]. .002[0.05] Unlapped .143 ± .005[0.13] .002[0.05] .003[0.08] .965 [24.5] TOP VIEW Flatness .787 [20] .787 [20] Cold Side 4.00 + .5 SEE TABLE Negative 20 AWG Leads (Teflon Insulation) Hot Side Positive Ordering Options Note: Base model shown Dimensions in [ ] are millimeters Ceramic Material: Alumina (AC) Features Model Number Description DT3-8-01 Base Model DT3-8-01L Lapped Model DT3-8-01S Sealed Model DT3-8-01LS Lapped and Sealed Model • • • • • • • Solid state reliability Built with high temperature solder with the ability to withstand higher assembly processing temperatures for short periods of time (<160°C) 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. 102-0156, Rev C Thermoelectric Cooler DT3-8 Performance Curves Environment: One atmosphere dry nitrogen Hot Side Temperature: 27°C Hot Side Temperature: 50°C TA(C)= 27 TA(C)= 50 80.0 60.0 HEAT LOAD (WATTS) 0.00 40.0 2.50 5.00 2.50 40.0 5.00 7.50 7.50 20.0 HEAT LOAD (WATTS) 0.00 60.0 T (C) T (C) 80.0 20.0 10.0 10.0 12.5 12.5 0.0 0.0 4.0 3.0 2.0 Q=0 T=0 1.0 0.0 0.0 2.0 4.0 6.0 CURRENT (AMPS) 8.0 10.0 VOLTAGE (VDC) VOLTAGE (VDC) 4.0 3.0 2.0 Q=0 T=0 1.0 0.0 0.0 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 27°C or 50°C, 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 For maximum reliability, storage and operation below 85°C 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, Inc. Aberdeen House, South Road Haywards Heath West Sussex RH164NG UK TEL: 44-1444-44-34-04 FAX: 44-1444-44-33-34 Marlow Industries Asia, Inc. 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. 102-0156, Rev C