marlow industries inc.
®
Thermoelectric Cooler
Performance Values
Hot Side Temperature (°C)
∆
Tmax (Vacuum):
Qmax (watts):
Imax (amps):
Vmax (vdc):
AC Resistance (ohms):
27°C
120
2.7
4.0
6.8
1.62
50°C
136
3.0
4.0
7.7
---
MI4040
Mechanical Characteristics
.855
[21.72]
.253
[6.43]
Positive Lead
Leads: 22 AWG (0.64) Bus
Solid Tinned Copper
.555+/-.013
[14.10 +/-0.33]
.003 [0.08]
Ceramic Material: Beryllia (BC)
Millimeters are in [ ]
A
Ordering Options
MI4040-01
MI4040-02
MI4040-03
both surfaces are metallized –
cooler is mounted and shipped
on test base
hot side exterior is metallized –
cooler is mounted and shipped
on test base
no exterior metallization
MARLOW
INDUS.
.425
[10.80]
1.113
[28.27]
4.00 +/-.25
[101.60+/-6.35]
Cold Side
.010 [0.25]
.001 [0.03]
Negative Lead
A
•
•
•
•
For example, and MI4040 with only the hot side
metallized is specified as an MI4040-02BC
Pretinned metallized ceramic surface(s) with
117°C solder.
Thermistor mounted on edge of cold side ceramic.
(Calibration available.)
Elevated temperature burn-in with test data provided.
102-0053, Rev H
Thermoelectric Cooler
Performance Curves
Environment: Vacuum
Hot Side Temperature: 27°C
HEAT
LOAD
(WATTS)
0.00
0.50
80.0
40.0
0.0
VOLTAGE (VDC)
8.0
6.0
4.0
2.0
0.0
0.0
1.0
2.0
3.0
4.0
CURRENT (AMPS)
5.0
Q=0
T=0
1.00
1.50
2.00
2.50
VOLTAGE (VDC)
Hot Side Temperature: 50°C
MI4040
160.0
120.0
T (C)
160.0
120.0
T (C)
80.0
40.0
0.0
8.0
6.0
4.0
2.0
0.0
0.0
1.0
2.0
3.0
4.0
CURRENT (AMPS)
HEAT
LOAD
(WATTS)
0.00
0.50
1.00
1.50
2.00
2.50
3.00
Q=0
T=0
5.0
For performance information with hot side temperatures other than 27°C or 50°C, consult one of our Applications Engineers.
Installation
Recommended mounting methods: Bonding with thermal epoxy or soldering with metallized ceramics. For additional
information, please refer to our TEC Installation Guide.
Operation Cautions
For maximum reliability, storage and operation below 85°C in a non-condensing environment is recommended. To
minimize thermal stress, use linear/proportional temperature control or a similar method rather than an ON/OFF method.
Marlow Industries, Inc.
10451 Vista Park Road
Dallas Texas 75238-1645
TEL: 214-340-4900
FAX: 214-341-5212
Internet: http://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. 102-0053, Rev H
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