SP1848-27145 40x40mm Thermoelectric Power & Heat Module

Product Description:
This SP1848-27145 Thermoelectric Module is a versatile semiconductor Peltier device that generates electrical power from a temperature difference between its two sides or can be used in thermal applications. Compact at 40x40 mm and built for high-temperature operation up to around 120°C, it’s perfect for DIY energy harvesting, heat recovery systems, educational projects, and experimental electronics.

Specifications:

• Model: SP1848-27145 thermoelectric module

• Size: 40 × 40 × ~3.5–4 mm

• Material: Ceramic with thermoelectric semiconductor elements

• Operating Temperature Range: –30°C to ~120°C (max)

• Temperature Differential Output Examples:

  • T 20 °C: ~0.97 V, 225 mA

  • T 40 °C: ~1.8 V, 368 mA

  • T 60 °C: ~2.4 V, 469 mA

  • T 80 °C: ~3.6 V, 558 mA

  • T 100 °C: ~4.8 V, 669 mA

• Lead Length: ~350 mm insulated wires

Key Features:

• Generates electrical power from temperature differences (Seebeck effect)

• Compact and lightweight 40×40 mm form factor

• High-temperature capability for reliable performance up to ~120°C

• No moving parts — silent and maintenance-free operation

• Can be used for power generation, thermal sensing, or experimental DIY builds

Other Details:

• Works best when attached to a heatsink or cold plate on the cold side to maintain a temperature differential and improve output

• Suitable for educational labs, renewable energy experiments, waste heat harvesting systems, and hobbyist projects

• Lightweight — easy to integrate into custom builds or prototypes

• Ideal for demonstrating thermoelectric principles in STEM activities