marlow industries a global leader in thermoelectric solutions Subsidiary of II-VI Incorporated Thermoelectric Cooler XLT2389 Performance Values Hot Side Temperature (°C) 27°C 50°C Δ Tmax (°C-dry N2): 58 66 Qmax (watts): 95 106 Imax (amps): 19.0 18.8 Vmax (vdc): 7.7 8.5 AC Resistance (ohms): 0.34 --- Mechanical Characteristics 1.433±.005 [36.40±0.13] POSITIVE LEAD (RED) 1.411±.005 [35.84±0.13] .011 [0.28] TYP NEGATIVE LEAD (BLACK) WIRE LENGTH: 1.7 ± .1 STRIP LENGTH: .12 ± .05 (TEC END) .40 ± .05 (CUSTOMER END) LEADWIRES: 18 AWG, 19/30 STRANDING, TEFLON INSULATED 1.978±.005 [50.24±0.13] 2.142±.005 [54.41±0.13] COLD SIDE, Tc .0008 [0.020] A .0008 [0.020] .1200±.001 [3.048±0.025] .0008 [0.020] HOT SIDE, Th Dimensions in [ ] are millimeters Ceramic Material: Alumina (AC) Ordering Options Model Number XLT2389-31AC XLT2389-34AC XLT2389-38AC XLT2389-41AC XLT2389-44AC XLT2389-48AC XLT2389-71AC XLT2389-78AC XLT2389-81AC XLT2389-83AC XLT2389-88AC Description Undiced, one cooler Undiced, ACR matched set, four Undiced, ACR matched set, eight Diced, one cooler Diced, ACR matched set, four Diced, ACR matched set, eight Undiced, One cooler, no leadwires Undiced, ACR matched set, eight, no leadwires Diced, One cooler, no leadwires Diced, ACR matched set, three, no leadwires Diced, ACR matched set, eight, no leadwires 214-340-4900 (tel) ● 214-341-5212 (fax) ● www.marlow.com Features • • • • • • • • • ACR Matched in sets of four and eight 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 ± 0.001 in. (± 0.025 mm) allows for multiple module applications Doc # 102-0235 Rev D Page 1 of 2 marlow industries a global leader in thermoelectric solutions Subsidiary of II-VI Incorporated Performance Curves Environment: One atmosphere dry nitrogen TA = 27°C - Nitrogen (1 ATM) TA = 50°C - Nitrogen (1 ATM) Heat 60 0 50 50 40 ΔT (°C) ΔT (°C) 30 20 30 40 40 30 50 50 20 20 60 10 80 10 0 4 8 12 16 20 60 70 10 70 0 80 0 24 90 10 0 9 4 8 12 16 20 24 9 8 8 Q=0 7 Voltage (VDC) Voltage (VDC) 0 10 20 30 Load (W) 60 10 40 Heat 70 Load (W) 6 ΔT = 0 5 4 3 6 ΔT = 0 5 4 3 2 2 1 1 0 Q=0 7 0 0 4 8 12 16 20 24 0 4 Current (amps) 8 12 16 20 24 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. Addresses Marlow Industries, Inc. 10451 Vista Park Road Dallas Texas 75238-1645 214-340-4900 (tel) 214-341-5212 (fax) www.marlow.com Marlow Industries Europe Aberdeen House, South Road Haywards Heath West Sussex RH164NG UK +44 (0)1444-443404 (tel) +44 (0)1444-443334(fax) 214-340-4900 (tel) ● 214-341-5212 (fax) ● www.marlow.com Marlow Industries Japan 1-1-8-401 Uehara, Shibuya-ku Tokyo, Japan 151-0064 +81 (3) 5454-5280 (tel) +81 (3) 5454-5281(fax) Doc # 102-0235 Rev D Page 2 of 2