marlow industries inc.
®
Thermoelectric Cooler
Performance Values
Hot Side Temperature (°C)
Δ
Tmax (°C-dry N
2
):
Qmax (watts):
Imax (amps):
Vmax (vdc):
AC Resistance (ohms):
27°C
83
0.92
1.4
2.0
1.32
50°C
94
1.02
1.3
2.1
---
MI2021T
Mechanical Characteristics
Positive Lead
.260
[6.60]
.156
[3.96]
Leads: 28 AWG (0.32) Bus
Solid Tinned Copper
Negative Lead
.156
[3.96]
.260
[6.60]
2.00 +/-.25
[50.80+/-6.35]
Cold Side
.004 [0.10]
.001 [0.03]
A
.149+/-.007
[3.78 +/-0.18]
.001[0.03]
Ceramic Material: Alumina (AC) or
Beryllia (BC)
A
Ordering Options
MI2021T-01
MI2021T-02
MI2021T-03
both surfaces are metallized
hot side exterior is metallized
no metallization
•
•
•
•
•
For example, and MI2021T with only the hot side
metallized is specified as an MI2021T-02AC
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.
A maximum of 10 coolers are packaged per box.
102-0016, Rev E
Thermoelectric Cooler
Performance Curves
Environment: One atmosphere dry nitrogen
Hot Side Temperature: 27°C
HEAT
LOAD
(WATTS)
0.00
0.10
0.20
0.30
0.40
0.50
0.60
0.70
0.80
Hot Side Temperature: 50°C
MI2021T
100.0
80.0
T (C)
100.0
80.0
T (C)
60.0
40.0
20.0
0.0
60.0
40.0
20.0
0.0
HEAT
LOAD
(WATTS)
0.00
0.10
0.20
0.30
0.40
0.50
0.60
0.70
0.80
0.90
VOLTAGE (VDC)
1.6
1.2
0.8
0.4
0.0
0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4
CURRENT (AMPS)
Q=0
T=0
VOLTAGE (VDC)
2.0
2.0
1.6
1.2
0.8
0.4
0.0
0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4
CURRENT (AMPS)
Q=0
T=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
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. 102-0016, Rev E
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