marlow industries inc.® Subsidiary of II-VI INCORPORATED Thermoelectric Cooler XLT2391 Performance Values Hot Side Temperature (°C) 27°C 50°C Δ Tmax (°C-dry N2): 56.0 63.5 Qmax (watts): 33.9 37.3 Imax (amps): 14.7 14.6 Vmax (vdc): 3.6 4.0 AC Resistance (ohms): 0.20 --- + POSITIVE LEAD (RED) LEADWIRES: 18 AWG, 19/30 STRANDING, TEFLON INSULATED NEGATIVE LEAD (BLK) - 1.000 [25.40] marlow XLT2391 XXXXXX Mechanical Characteristics 1.000 [25.40] 1.130 [28.70] 4.0 ±.5 [101.6 ±12.7] COLD SIDE, Tc .002 [.051] A .001 [.025] .001 [.025] .150 ±.0005 [3.81 ±.013] HOT SIDE, Th Dimensions in [ ] are millimeters Ceramic Material: Alumina (AC) Ordering Options A Features Model Number Description XLT2391-03AC Leadwires XLT2391-04AC Leadwires, Sealed • • • • • • • • Specifically designed for thermal cycling applications Capable of rapid heating and cooling rates Proven High Reliability (Data available upon request) Rugged construction Porched configuration for enhanced leadwire strength Leadwires attached with 183°C solder Rated operating temperature of 130°C Height tolerance of ± 0.0005 in. (± .013 mm) allows for multiple module applications 102-0236, Rev C Thermoelectric Cooler XLT2391 Performance Curves Environment: One atmosphere dry nitrogen Hot Side Temperature: 27°C Hot Side Temperature 50°C TA(C) = 27 TA(C) = 50 60 70 Heat Load (W) 50 2.5 7.5 10.0 30 12.5 15.0 20 Δ T (°C) Δ T (°C) 50 5.0 40 17.5 22.5 27.5 50.0 4.0 8.0 16.0 0 20.0 5 0.0 4.0 8.0 4 Q=0 Voltage (VDC) Voltage (VDC) 4 12.0 30 10 25.0 0 40 20 20.0 10 Heat Load (W) 0 2.5 5.0 7.5 10.0 12.5 15.0 17.5 20.0 22.5 25.0 27.5 30.0 60 0 3 ΔT = 0 2 1 12.0 16.0 20.0 Q=0 3 ΔT = 0 2 1 0 0 0 2 4 6 8 10 12 14 16 18 20 0 2 4 Current (amps) 6 8 10 12 14 16 18 20 Current (amps) 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 XLT coolers are typically mounted under compression using thermal grease or flexible graphite products. Consult Marlow Industries’ Thermoelectric Installation Guide for more details. For additional information, please contact one of our application engineers for technical support. 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 (0)1444-443404 FAX: +44 (0)1444-443334 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 2005, Marlow Industries, Inc. Marlow Industries reserves the right to change the design and specifications of products without notice. 102-0236, Rev C