ILX Lightwave TCM39032

The ILX Lightwave TCM39032 is a 32 W thermoelectric cooler control module engineered for precision temperature management in laser diode systems. It installs into any of the four channel slots on the LDC-3900 Modular Laser Diode Controller, delivering stable, low-noise TEC control essential for maintaining consistent laser output and wavelength stability. Fully interchangeable with other LDC-3900 modules, the TCM39032 stores calibration data on-board, eliminating service requirements and enabling field deployment without recalibration.

Technical Specifications

Power rating: 32 W (8 V, 4 A) into one-ohm load

Output current and power referenced to one-ohm load; higher outputs available via booster

Broadband noise measured at 1 A output current, 10 Hz–10 MHz bandwidth

Operating temperature: 0 °C to 40 °C

Storage and transportation temperature: −40 °C to 70 °C

Relative humidity: <80% RH, non-condensing

Maximum altitude: 3000 m

Mains voltage stability: ±10% of nominal supply

Warm-up period: one hour (all specifications referenced to this period)

Pollution Degree II; Installation Category II for transient overvoltages

Key Features

Modular, hot-swappable design for the LDC-3900 controller

Service-free operation with on-module calibration storage

Low-noise performance for precision temperature control

Channel isolation prevents ground loops and laser damage

Green indicator illumination upon LDC-3900 recognition

Continuous operation rated

Indoor use only; unprotected against moisture ingress

Compatibility & Integration The TCM39032 integrates directly into the LDC-3900 rear panel, where it operates alongside current sources up to 8 A and other interchangeable modules. Each module slot provides full electrical isolation, protecting laser diodes from ground-loop transients. Upon installation, the corresponding channel indicator illuminates green, confirming recognition as an active TEC source.