marlow
industries
Subsidiary of II-VI Incorporated
a global leader in thermoelectric solutions
214-340-4900 (tel) ● 214-341-5212 (fax) ● www.marlow.com
Doc # 102-0235
Rev D
Page 1 of 2
Thermoelectric Cooler XLT2389
Performance Values
Mechanical Characteristics
COLD SIDE, Tc
HOT SIDE, Th
NEGATIVE LEAD (BLACK)
POSITIVE LEAD (RED)
.1200±.001 [3.048±0.025]
1.411±.005
[35.84±0.13]
1.978±.005 [50.24±0.13]
2.142±.005 [54.41±0.13]
.0008 [0.020] A
.0008 [0.020]
.0008 [0.020]
1.433±.005
[36.40±0.13]
.011 [0.28]
TYP
WIRE LENGTH: 1.7 ± .1
STRIP LENGTH: .12 ± .05 (TEC END)
.40 ± .05 (CUSTOMER END)
LEADWIRES:
18 AWG, 19/30 STRANDING,
TEFLON INSULATED
Dimensions in [ ] are millimeters
Ceramic Material: Alumina (AC)
Ordering Options
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
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
---
Model Number
Description
XLT2389-31AC
Undiced, one cooler
XLT2389-34AC
Undiced, ACR matched set, four
XLT2389-38AC
Undiced, ACR matched set, eight
XLT2389-41AC
Diced, one cooler
XLT2389-44AC
Diced, ACR matched set, four
XLT2389-48AC
Diced, ACR matched set, eight
XLT2389-71AC
Undiced, One cooler, no leadwires
XLT2389-78AC
Undiced, ACR matched set, eight,
no leadwires
XLT2389-81AC
Diced, One cooler, no leadwires
XLT2389-83AC
Diced, ACR matched set, three,
no leadwires
XLT2389-88AC
Diced, ACR matched set, eight,
no leadwires
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