marlow industries inc.
®
Thermoelectric Cooler
Performance Values
Hot Side Temperature (°C)
∆
Tmax (Vacuum):
Qmax (watts):
Imax (amps):
Vmax (vdc):
AC Resistance (ohms):
27°C
114
0.76
1.0
6.7
6.22
50°C
129
0.86
1.0
7.4
---
MI4012T
Mechanical Characteristics
Positive Lead
.520
[13.21]
.160
[4.06]
Leads: 30 AWG (0.25) Bus
Solid Tinned Copper
Negative Lead
.314
[7.98]
.676
[17.17]
2.00 +/-.25
[50.80+/-6.35]
Cold Side
.005 [0.13]
.001 [0.03]
A
.343+/-.013
[8.71 +/-0.33]
.001 [0.03]
Ceramic Material: Beryllia (BC)
Millimeters are in [ ]
A
Ordering Options
MI4012T-01
MI4012T-02
MI4012T-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
•
•
•
•
For example, and MI4012T with only the hot side
metallized is specified as an MI4012T-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.
102-0052, Rev F
Thermoelectric Cooler
Performance Curves
Environment: Vacuum
Hot Side Temperature: 27°C
Hot Side Temperature: 50°C
MI4012T
160.0
120.0
T (C)
80.0
40.0
0.0
VOLTAGE (VDC)
HEAT
LOAD
(WATTS)
0.00
0.10
0.20
0.30
0.40
0.50
0.60
0.70
160.0
120.0
T (C)
80.0
40.0
0.0
VOLTAGE (VDC)
8.0
6.0
4.0
2.0
0.0
0.0
0.2
0.4 0.6 0.8 1.0
CURRENT (AMPS)
HEAT
LOAD
(WATTS)
0.00
0.10
0.20
0.30
0.40
0.50
0.60
0.70
0.80
8.0
6.0
4.0
2.0
0.0
0.0
0.2
0.4 0.6 0.8 1.0
CURRENT (AMPS)
1.2
Q=0
T=0
Q=0
T=0
1.2
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. 102-0052, Rev F
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