ILX Lightwave CSM-39425: 4-CH Laser Diode Current Source Module

The ILX Lightwave CSM-39425 is a 4-channel laser diode current source module engineered for precision control of multiple laser diodes in simultaneous operation. It delivers accurate, stable current output essential for optimizing laser diode performance and extending operational lifespan across demanding applications. The module installs into compatible host controller chassis such as the LDC-3900 Modular Laser Diode Controller, enabling integrated multi-channel laser drive systems.

Technical Specifications Electrical Performance

4-channel current source architecture

Isolated LASER outputs with user-selectable grounding of either output terminal

Modulation input support with dedicated port for signal injection

Precision current control and high output stability

Power supply operation through host controller; mains supply voltage fluctuation tolerance: ±10% of nominal Environmental Operating Conditions

Operating temperature range: 0 °C to 40 °C

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

Maximum relative humidity: <80% RH, non-condensing

Maximum altitude: 3000 m (9843 ft.)

Indoor use only; Ordinary Protection classification; Class I Equipment

Key Features

Four independent channels for multi-diode applications

Output isolation enabling flexible grounding schemes

Modulation input capability for signal control

Modular form factor with standard installation into compatible chassis

Module installation via guide track alignment and locking screws

Typical Applications Precision laser diode characterization, multi-wavelength systems, research instrumentation, and production test environments requiring simultaneous control of multiple laser sources.

Compatibility & Integration The CSM-39425 works with installation within the LDC-3900 Modular Laser Diode Controller and other compatible host chassis. System power and control derive from the host controller platform.