Thermoelectric Cooling Solutions
Performance Parameters
Type
ΔT
max
K
96
98
98
98
98
2MD04-022-XX
I
max
A
1.2
0.8
0.6
0.5
0.4
2.0
Q
max
W
0.70
0.45
0.37
0.31
0.25
U
max
V
AC R
Ohm
1.39
2.20
2.75
3.29
4.10
H
mm
2.7
3.3
3.7
4.1
4.7
2MD04-022-xx (N=22)
2MD04-022-05
2MD04-022-08
2MD04-022-10
2MD04-022-12
2MD04-022-15
Performance data are given for 300K, vacuum
Dimensions
Manufacturing options
A. TEC Assembly:
* 1. Solder SnSb (T
melt
=230°C)
2. Solder AuSn (T
melt
=280°C)
B. Ceramics:
C. Ceramics Surface Options:
1. Blank ceramics (not metallized)
2. Metallized (Au plating)
3. Metallized and pre-tinned with:
3.1 Solder 117 (In-Sn, T
melt
=117°C)
3.2 Solder 138 (Sn-Bi, T
melt
= 138°C)
3.3 Solder 143 (In-Ag, T
melt
= 143°C)
3.4 Solder 157 (In, T
melt
= 157°C)
3.5 Solder 183 (Pb-Sn, T
melt
=183°C)
3.6 Optional (specified by Customer)
46 Warshavskoe shosse. Moscow 115230
Russia,
ph: +7-499-678-2082, fax: +7-499-678-2083, web:
www.rmtltd.ru
Copyright 2012. RMT Ltd. The design and specifications of products can be changed by RMT Ltd without notice.
D. Thermistor (optional)
Can be mounted to cold side
ceramics edge. Calibration is
available by request.
E. Terminal contacts
1. Blank, tinned Copper
2. Insulated Wires
3. Insulated, color coded
*
1.Pure Al
2
O
3
(100%)
2.Alumina (Al
2
O
3
- 96%)
3.Aluminum Nitride (AlN)
* - used by default
Page 1 of 8
Thermoelectric Cooling Solutions
Performance
Data
@ 27ºC, Vacuum
2MD04-022-05
ΔTmax
K
96
Qmax
W
0.70
Imax
A
1.2
Umax
V
2.0
@50ºC, N2
2MD04-022-05
ΔTmax
K
101
2MD04-022-05
Qmax
W
0.77
Imax
A
1.2
Umax
V
2.2
Note:
Performance data is specified for optimal optimal conditions (TEC hot side is stabilized at ambient temperature).
Heatsink thermal resistance is not included into estimations. Use TECCad Software for estimations under different conditions.
Performance
Data
@ 27ºC, Vacuum
2MD04-022-08
ΔTmax
K
98
Qmax
W
0.45
Imax
A
0.8
Umax
V
2.0
@50ºC, N2
2MD04-022-08
ΔTmax
K
99
2MD04-022-08
Qmax
W
0.50
Imax
A
0.8
Umax
V
2.2
Note:
Performance data is specified at optimal optimal conditions (TEC hot side is stabilized at ambient temperature). Any
heatsink thermal resistance is not included into estimations. Use TECCad Software for estimations under different conditions.
46 Warshavskoe shosse. Moscow 115230
Russia,
ph: +7-499-678-2082, fax: +7-499-678-2083, web:
www.rmtltd.ru
Copyright 2012. RMT Ltd. The design and specifications of products can be changed by RMT Ltd without notice.
Page 2 of 8
Thermoelectric Cooling Solutions
Performance
Data
@ 27ºC, Vacuum
2MD04-022-10
ΔTmax
K
98
Qmax
W
0.37
Imax
A
0.6
Umax
V
2.0
@50ºC, N2
2MD04-022-10
ΔTmax
K
98
2MD04-022-10
Qmax
W
0.40
Imax
A
0.6
Umax
V
2.2
Note:
Performance data is specified for optimal optimal conditions (TEC hot side is stabilized at ambient temperature).
Heatsink thermal resistance is not included into estimations. Use TECCad Software for estimations under different conditions.
Performance
Data
@ 27ºC, Vacuum
2MD04-022-12
ΔTmax
K
98
Qmax
W
0.31
Imax
A
0.5
Umax
V
2.0
@50ºC, N2
2MD04-022-12
ΔTmax
K
96
2MD04-022-12
Qmax
W
0.34
Imax
A
0.5
Umax
V
2.2
Note:
Performance data is specified for optimal optimal conditions (TEC hot side is stabilized at ambient temperature).
Heatsink thermal resistance is not included into estimations. Use TECCad Software for estimations under different conditions.
46 Warshavskoe shosse. Moscow 115230
Russia,
ph: +7-499-678-2082, fax: +7-499-678-2083, web:
www.rmtltd.ru
Copyright 2012. RMT Ltd. The design and specifications of products can be changed by RMT Ltd without notice.
Page 3 of 8
Thermoelectric Cooling Solutions
Performance
Data
@ 27ºC, Vacuum
2MD04-022-15
ΔTmax
K
98
Qmax
W
0.25
Imax
A
0.4
Umax
V
2.0
@50ºC, N2
2MD04-022-15
ΔTmax
K
94
2MD04-022-15
Qmax
W
0.27
Imax
A
0.4
Umax
V
2.2
Note:
Performance data is specified for optimal optimal conditions (TEC hot side is stabilized at ambient temperature).
Heatsink thermal resistance is not included into estimations. Use TECCad Software for estimations under different conditions.
Important notes
1. TEC Performance in this datasheet is specified in two standard ambient condition modes (vacuum, +27ºC and dry
nitrogen (N2), +50ºC). The performance may differ under other conditions. Please, use TECCad software from
RMT Ltd web site or contact RMT or its branch specialists directly for additional TEC performance info.
2. TEC ACR and Umax values are sensitive to ambient temperature. These values can be different from those
specified in the datasheet at other ambient conditions. ACR and Umax raise with ambient temperature increasing.
3. TEC cooling capacity (Qmax) raises with ambient temperature. Please, use TECCad software for additional info or
contact RMT specialists directly.
4. Thermoelectric coolers have the best performance in the temperature range from near room up to +80..90ºC. The
performance is lower at temperatures below 0ºC. TEC is not suitable to work at cryogenic temperatures.
5. Driving a TEC at Imax or Umax doesn’t mean max performance mode. The real optimal mode may depend on
operating conditions and heatload. In fact a better performance can be reached at operating current and voltage
lower than Imax and Umax values specified in the datasheet.
6. It is strongly recommended to avoid a direct mounting of thermoelectric cooler to pure Copper, Aluminum or Nickel
materials as well as a mounting of objects from these materials on TEC cold side. Any material with high CTE may
affect TEC lifetime and/or damage it in case of improper mounting, thermal shock or temperature cycling. In case
of above mentioned materials necessity, it is recommended to use soft solders or glues with large modulus of
elasticity (Indium-based solders or silicon-based thermoconductive glues).
7. RMT Ltd confirms that all thermoelectric coolers meet the requirements of Telcordia GR-468 standard. The up-to-
date Reliability Report is available by request. RMT Ltd warranties thermoelectric coolers lifetime no less than
250K-300K operating hours under normal application conditions.
46 Warshavskoe shosse. Moscow 115230
Russia,
ph: +7-499-678-2082, fax: +7-499-678-2083, web:
www.rmtltd.ru
Copyright 2012. RMT Ltd. The design and specifications of products can be changed by RMT Ltd without notice.
Page 4 of 8
Thermoelectric Cooling Solutions
Additional Options
TEC Polarity
TEC Polarity can be modified by request. The
specified polarity in this datasheet is typical.
It can be reversed in accordance to Customer
application requirements.
-
+
+
Standard polarity
-
Reversed polarity
Terminal Wires Options
The wires are of tinned Copper, blank (not isolated)
by default. Various options for isolated wires are
available by request. The available solutions
include isolated wires, isolated color-coded wires,
flexible multicore wires and more.
S t a n d a rd w i re s ,
tinned Copper
Isolated wires
Customized Au Patterns
Customized Au patterns on thermoelectric cooler
cold side are available by request. Selective Pre-
tinning over pattern is also available. Please,
contact RMT Ltd for additional information about
customized Au patterns requirements.
Customized Au pattern
on cold side
Selective pre-tinning
over pattern
Cold Side modification
TEC Cold Side can be modified by request. The
dimensions and shape of 2-stage thermoelectric
cooler can be revised to Customer application.
RMT Ltd has full-featured flexibility in TEC design
and modification.
Standard shape
Round-shaped
cold side
TEC Height modification
Standard 2-stage TEC height can be modified
without performance changes by using ceramics
of different thickness. Standard 2-stage
thermoelectric cooler height (specified in this
datasheet) may be modified in a range
-0.75..+1.5mm by request.
Standard height
Modified height,
another ceramics
thickness
46 Warshavskoe shosse. Moscow 115230
Russia,
ph: +7-499-678-2082, fax: +7-499-678-2083, web:
www.rmtltd.ru
Copyright 2012. RMT Ltd. The design and specifications of products can be changed by RMT Ltd without notice.
Page 5 of 8
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