KELK (former Komatsu-Electronics) | Thermo-electric coolers
"Create Temperature, Create by Temperature"
Be the world's leading and most reliable supplier of precise thermal control systems based on thermo-electric modules with outstanding quality and innovative technology.
Advantages:
- Ongoing development in integrated manufacturing from fabrication of Hot-forged element and performance evolution is on going.
- Robotic module assembly and 100% inspection guarantee quality and reliability.
- Large ΔT max and low power consumption, optimized by simulation.
- Variety of choice for customizing, i.e. post yype, pre-tinning or multi-stage.
- Open tooled TECs are available for initial evaluation
Lineup:
- (1) TECs for Pump Laser and Tunable Laser
- (2) Mini-TECs for TOSA application with small footprint
- (3) Multi-Stage TEC for high sensitive Sensor application
(1) TECs for Pump Laser and Tunable Laser

Features
- Larger heat pumping to a limited footprint
- High reliability proofed by strict quality control under Telcordia
(2) Mini-TECs for TOSA application with small footprint

Features
- Smaller footprint and lower profile contribute to downsizing of module
- Precise TEC assemble brings superior performance
(3) Multi-Stage TEC for highsensitive Sensor application

Features
- Highest performance by highest ΔT, up to 143 °C
- Smaller Footprint being achieved by high density element population technology
- Lower power consumption with development of high efficiency element