TEC3-22904T125
Hot side temperature is 25 C,
Imax: 4.5A,
Umax: 15.2V
Qmax: 18W
Delta T max: 100 C
Size: base: 40x40mm, Middle: 30x30mm, top: 20x20mm,
Height: 9.70mm.

Ceramic Material: Alumina (Al2O3)
Solder Construction: 138C, Bismuth Tin (BiSn)
TEC1-07104T125 Specification
Hot side temperature is 25 C,
Imax: 8A,
Umax: 8.5V
Qmax: 44.9 W
Delta T max: 67 C
ACR: 0.87 Ohm
Size: 30x30x3.50mm

TEC1-12705T125 Specification
Hot side temperature is 25 C,
Imax: 5A,
Umax: 15.2V
Qmax: 52.1W
Delta T max: 68 C
ACR: 2.34 Ohm
Size: 40x40x4.0mm