Thermal - Thermoelectric, Peltier Modules

Image Part Number Description / PDF Quantity Rfq
101161045101

101161045101

Laird Thermal Systems

CP12-161-06-L1-EP-W4.5

17

44760-502

44760-502

Laird Thermal Systems

CP14-127-06-L2-RT-W4.5

20

NL2012T-03AC

NL2012T-03AC

Marlow Industries, Inc.

MULTISTAGE TEM 10.97X9.88X3.76MM

6

387004707

387004707

Laird Thermal Systems

ULTRATEC UTX SERIES, THERMOELECT

10

NL2021T-03AC

NL2021T-03AC

Marlow Industries, Inc.

MULTISTAGE TEM 6.6X6.6X3.78MM

49

RC6-4-01L

RC6-4-01L

Marlow Industries, Inc.

TEM 23.5X23.5X3.33MM

56

RC6-8-01S

RC6-8-01S

Marlow Industries, Inc.

TEM 29.97X29.97X3.53MM

60

RC12-4-01

RC12-4-01

Marlow Industries, Inc.

TEM 29.97X29.97X3.33MM

0

387003007

387003007

Laird Thermal Systems

THERMOELECTRIC MODULE HI TEMP

0

66183-507

66183-507

Laird Thermal Systems

CP14 51 06 L1 EP WS 20AWG 30IN

54

430764-503

430764-503

Laird Thermal Systems

UT15-12-F2-4040-TA-EP-W6

8

430080-524

430080-524

Laird Thermal Systems

CP14-127-10-L2-RT-W10

0

430745-509

430745-509

Laird Thermal Systems

UT8-12-F2-2525-TB-W6

4

387003025

387003025

Laird Thermal Systems

THERMOELECTRIC MODULE HI TEMP

20

430759-514

430759-514

Laird Thermal Systems

UT11-12-F2-3030-TB-RT-W6

8

RC6-8-04

RC6-8-04

Marlow Industries, Inc.

TEM 29.97X29.97X3.53MM

60

387002217

387002217

Laird Thermal Systems

UT8-12-F2-2525-TB-RT-W6

0

PL020-4-30-01

PL020-4-30-01

Marlow Industries, Inc.

TEM 29.69X29.69X4.7MM

25

430236-514

430236-514

Laird Thermal Systems

CP2-127-10-L2-EP-W12

20

430883-503

430883-503

Laird Thermal Systems

UT6-24-F1-5555-TA-RT-W6

0

Thermal - Thermoelectric, Peltier Modules

1. Overview

Thermoelectric Peltier Modules (TEMs) are solid-state devices that utilize the Peltier effect to transfer heat between two electrical junctions. When direct current (DC) passes through a thermoelectric material, heat is absorbed on one side and released on the opposite side. These modules enable precise temperature control without moving parts, refrigerants, or maintenance, making them critical in modern electronics, medical devices, and industrial systems.

2. Main Types and Functional Classification

TypeFunctional FeaturesApplication Examples
Standard TEMsBalanced cooling capacity and costIndustrial temperature control systems
High-Power TEMsHigh T (temperature difference) and large heat pumping capacityLaser diode cooling, power electronics
Microminiature TEMsSub-centimeter dimensions with precise thermal regulationMedical sensors, infrared detectors
Multistage TEMsCascaded design for ultra-low temperature applicationsCryogenic systems, scientific instruments

3. Structure and Components

A typical Peltier module consists of: - Ceramic substrates (high thermal conductivity electrical insulation) - Thermoelectric elements (Bismuth Telluride - Bi2Te3 based semiconductors) - Copper interconnects (low electrical resistance) - Solder junctions (thermal and electrical bonding) - Epoxy encapsulation (moisture protection)

4. Key Technical Specifications

ParameterDescriptionImportance
Qmax (W)Maximum heat pumping capacityDetermines cooling capability
Tmax ( C)Maximum temperature differenceDefines operational limits
Imax (A)Maximum operating currentImpacts power consumption
ZT ValueThermoelectric figure of meritMaterial efficiency indicator
Dimensions (mm)Physical sizeIntegration constraints

5. Application Fields

Main industries include: - Electronics: CPU/GPU cooling, telecom equipment - Medical: PCR thermal cyclers, patient care devices Automotive: Battery thermal management, cabin climate control Scientific: Spectroscopy instruments, CCD cooling

6. Leading Manufacturers and Products

ManufacturerRepresentative ProductKey Features
Laird Thermal SystemsHiTemp Series Tmax=72 C, 200W capacity
TE ConnectivityCP Series TECMiniature 10 10mm footprint
II-VI IncorporatedLaser Diode CoolerHigh-reliability multistage design

7. Selection Recommendations

Key considerations: - Required T and heat load calculations - Operating voltage/current compatibility - Physical space constraints - Environmental conditions (humidity, vibration) - Cost vs. efficiency trade-offs

8. Industry Trends

Future developments focus on: - Advanced materials (Skutterudites, silicon-germanium) - Micro-scale integration for mobile devices - Smart modules with PID temperature control - Eco-friendly thermoelectric materials - 3D-printed customized geometries

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