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www.DataSheet4U.com marlow industries inc.®
Thermoelectric Cooler
Performance Values
Hot Side Temperature (°C)
∆ Tmax (°C-dry N2):
Qmax (watts):
Imax (amps):
Vmax (vdc):
AC Resistance (ohms):
27°C
65
9
3.7
3.6
0.8
50°C
73
10
3.7
4.1
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DT3-4
Mechanical Characteristics
TOP VIEW
.807
[20.5]
.630
[16]
Lapped
Unlapped
Height
.131 ± .001[0.03]
.135 ± .005[0.13]
Flatness
.001[0.03].
.002[0.05]
Parallelism
.002[0.05]
.003[0.08]
.630
[16]
Cold
Side
4.00 + .5
Negative
20 AWG Leads
(Teflon Insulation)
Positive
Ordering Options
Model Number
DT3-4-01
DT3-4-01L
DT3-4-01S
DT3-4-01LS
Description
Base Model
Lapped Model
Sealed Model
Lapped and Sealed Model
Hot Side
SEE TABLE
Note: Base model shown
Dimensions in [ ] are millimeters
Ceramic Material: Alumina (AC)
Features
• 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.
102-0159, Rev C
Thermoelectric Cooler
www.DataSheet4U.com
Performance Curves
Environment: One atmosphere dry nitrogen
Hot Side Temperature: 27°C
Hot Side Temperature: 50°C
DT3-4
80.0
80.0
HEAT
60.0
HEAT
LOAD
(WATTS)
60.0
LOAD
(WATTS
0.00
0.00
1.00
1.00
2.00
40.0
2.00
40.0
3.00
3.00
4.00
20.0
4.00
20.0
5.00
5.00
6.00
6.00
7.00
0.0 0.0 9.00
4.0 4.0
3.0 3.0
2.0 2.0 Q=0
Q=0 T=0
1.0 T=0 1.0
0.0
0.0
1.0 2.0 3.0 4.0
CURRENT (AMPS)
5.0
0.0
0.0
1.0 2.0 3.0 4.0
CURRENT (AMPS)
5.0
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
Maximum storage and operation +150°C.
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
Aberdeen House, South Road
Haywards Heath
West Sussex RH164NG UK
TEL: +44 (0)1444-443404
FAX: +44 (0)1444-443334
Marlow Industries Asia
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. 102-0159, Rev C
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