date 10/28/2019
page 1 of 4
SERIES: CP125 │ DESCRIPTION: PELTIER MODULE
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FEATURES
• arcTEC™ structure
• solid state device
• precise temperature control
• quiet operation
MODEL input
voltage1
input
current2
output
Qmax3
output
∆Tmax4
max
(Vdc)
max
(A)
Th=27°C
(W)
Th=50°C
(W)
Th=27°C
(°C)
Th=50°C
(°C)
CP12437 15.4 12.5 110 121 68 75
Notes: 1.MaximumvoltageatΔTmaxandTh=27°C
2.MaximumcurrenttoachieveΔTmax
3. Maximum heat absorbed at cold side occurs at Imax, Vmax,and∆T=0°C
4.MaximumtemperaturedierenceoccursatImax, Vmax,andQ=0W(ΔTmaxmeasuredinavacuumat1.3Pa)
PART NUMBER KEY
Base Number
CP12 X 37
Length x Width:
4 = 40 x 40 mm
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date 10/28/2019 │ page 2 of 4CUI Devices │ SERIES: CP125 │ DESCRIPTION: PELTIER MODULE
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SPECIFICATIONS
parameter conditions/description min typ max units
internal resistance10.855 0.95 1.045 Ω
solder melting temperature connection between thermoelectric pairs 235 °C
assembly compression 1 MPa
hot side plate 80 °C
RoHS yes
Note: 1. Measured by AC 4-terminal method at 25°C
MECHANICAL DRAWING
units: mm
COLD SIDE
HOT SIDE
0.05
0.05
THICKNESS
COLD SIDE
Black (-)
Red (+)
WIDTH
LENGTH 100.0 5.0
10 3.0
MATERIAL PLATING
ceramic plate 96% AL2O3
wire leads 18 AWG tin
sealer silicon rubber 703 RTV (between cold
and hot side plates)
joint cover silicon rubber 703 RTV
marking P/N & S/N printed on cold side
surface
MODEL NO. LENGTH
(mm)
WIDTH
(mm)
THICKNESS
(mm)
CP12437 40 ±0.3 40 ±0.3 3.7 ±0.1
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date 10/28/2019 │ page 3 of 4CUI Devices │ SERIES: CP125 │ DESCRIPTION: PELTIER MODULE
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16
12
8.0
0
Input Voltage (V)
Heat Pumped, Q (W)
70 60 50 40 30 20 10 0
100
80
0
ΔT=Th-Tc (°C)
4.0
60
40
20
12.5 A
10 A
7.5 A
5.0 A
2.5 A
2.5 A
5.0 A
7.5 A
10 A
12.5 A
PERFORMANCE (Th=27°C)
16
12
8.0
0
Input Voltage (V)
Heat Pumped, Q (W)
70 60 50 40 30 20 10 0
120
100
80
0
ΔT=Th-Tc (°C)
4.0
60
40
20
12.5 A
10 A
7.5 A
5.0 A
2.5 A
12.5 A
10 A
7.5 A
5.0 A
2.5 A
PERFORMANCE (Th=50°C)
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date 10/28/2019 │ page 4 of 4CUI Devices │ SERIES: CP125 │ DESCRIPTION: PELTIER MODULE
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CUI Devices oers a one (1) year limited warranty. Complete warranty information is listed on our website.
CUI Devices reserves the right to make changes to the product at any time without notice. Information provided by CUI Devices is believed to be accurate and reliable. However, no
responsibility is assumed by CUI Devices for its use, nor for any infringements of patents or other rights of third parties which may result from its use.
CUI Devices products are not authorized or warranted for use as critical components in equipment that requires an extremely high level of reliability. A critical component is any
component of a life support device or system whose failure to perform can be reasonably expected to cause the failure of the life support device or system, or to aect its safety or
eectiveness.
rev. description date
1.0 initial release 09/08/2016
1.01 changed to arcTEC™ structure 12/01/2017
1.02 brand update 10/28/2019
The revision history provided is for informational purposes only and is believed to be accurate.
REVISION HISTORY
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