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Thermoelectric module options

A. TEC assembly:
*1. Solder SnSb (Tmelt=230°C)
2.Solder AuSn (Tmelt=280°C)

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, Tmelt =117°C)
3.2 Solder 138 (Sn-Bi, Tmelt = 138°C)
3.3 Solder 143 (In-Ag, Tmelt = 143°C)
3.4 Solder 157 (In, Tmelt = 157°C)
3.5 Solder 183 (Pb-Sn, Tmelt =183°C)
3.6 Solder 206 (SnInAg, Tmelt=206°C)
3.7 Solder 217 (SnAgCu, Tmelt=217°C)
3.8 Optional (specified by Customer)

D. Thermistor (optional)
Can be mounted to cold side ceramics using epoxy, electroconductive adhesive or solder.  
Calibration is available by request.

B. Ceramics

* 1. Aluminum Nitride (AlN)
2. Pure Al2O3(100%)
3. Alumina (Al2O3- 96%)
*used by default

E. TEC Terminals
1. Blank, tinned Copper
2. Insulated Wires
3. Insulated, color coded
4. Wire bonding pads
5. Wire bonding posts
For more options please consult
one of our application engineers.


TEC Polarity 

TEC Polarity can be modified by request 
in accordance to Customer application requirements. 		Thermoelectric cooler with standard polarity, red positive wire and black negative wire. Thermoelectric cooler with reverse polarity, black positive wire and red negative wire.
Standard polarity Reverse polarity

Terminal Wires Options

The wires are of tinned Copper, blank (not insulated) by default.
Various options for insulated wires are available by request. 
The available solutions include insulated wires,
insulated color-coded wires, flexible multicore wires and more. 		Thermoelectric cooler with standard tinned copper terminal wires. Thermoelectric cooler with insulated terminal wires.
Standard wires, tinned copper Insulated wires

Customized AU Patterns 

Customized patterns on thermoelectric cooler cold side are available by request. 
Selective Pre-tinning over pattern is also available. 		Thermoelectric cooler with customized Au pattern on the cold side. Thermoelectric cooler with selective pre-tinning over Au pattern.
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 shapes of the thermoelectric cooler can be revised to Customer application. 
RMT has full-featured flexibility in TEC design and modification. 		Thermoelectric cooler with gold-plated cold side surface. Thermoelectric cooler with blank ceramic cold side.
Au plating Blank ceramics

TEC Height Modification 

Standard TEC height can be modified without performance changes
 by using ceramics of different thickness. 		Thermoelectric cooler with standard height. Thermoelectric cooler with modified height using thicker ceramics.
Standard height Modified height,
other ceramic thickness

Terminal Options

Au plated pads or posts for wire bonding 		Thermoelectric cooler with gold-plated pads for wire bonding.
 Thermoelectric cooler with gold-plated posts for wire bonding.
WB pads WB posts