marlow industries a global leader in thermoelectric solutions Subsidiary of II-VI Incorporated Thermoelectric Cooler XLT2421 RoHS 2002/95/EC Compliant Performance Values Hot Side Temperature (°C) 27°C 50°C Δ Tmax (°C-dry N2): 61 69 Qmax (watts): 21 23 Imax (amps): 8.9 8.8 Vmax (vdc): 3.7 4.1 AC Resistance (ohms): 0.35 --- Mechanical Characteristics POSITIVE LEAD (RED) LEADWIRES- 20 AWG, 19/32 STRANDING TEFLON INSULATED 1.000 [25.40] NEGATIVE LEAD (BLACK) 1.000 [25.40] 4.0±.5 [101.60±12.70] 1.130 [28.70] COLD SIDE, Tc .002[0.051] A .001[0.025] .192±.001 [4.88±0.025] .001[0.025] HOT SIDE, Th Dimensions in [ ] are millimeters Ceramic Material: Alumina (AC) A Ordering Options 1. Coolers are marked with color coded pencil dots, indicating bin ranges of ACR test results. See Binning Chart. Coolers are grouped by color and used in applications requiring increased uniformity. 2. ACR value is written on each cooler in pencil, based on ACR test results. Model No. XLT2421-03AC XLT2421-05AC XLT2421-06AC XLT2421-07AC Description Bin Color Leadwires 1 Code X X Write ACR 2 X X X X 214-340-4900 (tel) ● 214-341-5212 (fax) ● www.marlow.com BINNING CHART ZONE A B C D E F COLOR BLUE GREEN PURPLE BROWN BLACK ORANGE ACR .332 - .336 .336 - .340 .340 - .344 .344 - .348 .348 - .352 .352 - .356 Doc # 102-0321 Rev A Page 1 of 2 marlow industries a global leader in thermoelectric solutions Subsidiary of II-VI Incorporated Features • • • • • • • • • RoHS 2002/95/EC compliant 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 Rated operating temperature of 130°C Height tolerance of ± 0.001 in. (± 0.025 mm) allows for multiple module applications Modules with matched AC Resistance available Performance Curves Environment: One atmosphere dry nitrogen TA = 27°C - Nitrogen (1 ATM) (W) (W) 60 70 0 60 2.5 0 2.5 50 7.5 10.0 30 ΔT (°C) 40 5.0 50 5.0 ΔT (°C) Ht Ld TA = 50°C - Nitrogen (1 ATM) Ht Ld 70 7.5 40 10.0 30 12.5 20 15.0 12.5 20 15.0 10 17.5 20.0 20.0 0 4.50.0 2.0 4.0 6.0 8.0 0 5.00.0 10.0 2.0 4.0 6.0 8.0 10.0 4.5 4.0 4.0 3.5 Q=0 Q=0 3.5 3.0 2.5 Voltage (VDC) Voltage (VDC) 17.5 10 ΔT = 0 2.0 1.5 3.0 2.5 ΔT = 0 2.0 1.5 1.0 1.0 0.5 0.5 0.0 0.0 0 1 2 3 4 5 6 7 8 9 10 0 1 2 3 4 5 6 7 8 9 10 Current (amps) 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 # 102-0321 Rev A Page 2 of 2