普賽斯(PRECISE) / PSS COC BI Series (LRS23841)
High-Power Drawer-Type COC Burn-In System
Designed for high-power DFB, EML, and EML-SOA chips, this system performs aging screening and lifetime reliability analysis. It supports constant-current (LD & SOA) and constant-voltage (EA) synchronous output, allowing real-time monitoring of current, voltage, optical power, and temperature, with automatic determination of device failure status. Data can be stored locally or remotely, enabling failure analysis and traceability.

Features
- Each channel is equipped with independent constant-current and constant-voltage sources.
- TEC + water cooling dual control, temperature range: 25~120℃.
- Supports front or back optical power monitoring; front optical monitoring uses partial light collection design.
- COC temperature online monitoring supported (requires NTC-equipped COC).
- Flexible support for multiple chip types (DFB / EML / Tunable COC) via interchangeable fixtures.
- Single drawer supports 2 fishbone fixtures, each fixture accommodating up to 48 units.
- Built-in LIV scanning curve with multiple algorithms for Ith calculation.
- Nitrogen purging protection for hermetic COC aging.
- 40 independent drawer units, each with independent temperature control and parameter settings.
- Optional UPS backup, maintaining system operation for 30 minutes during sudden power failure.
- Drawers equipped with automatic locking mechanism and in-place detection to prevent accidental removal.
- Dual hardware and software over-temperature protection.
- Each drawer includes an EEPROM for storing drawer ID, insertion count, and production information.
- Built-in EOS (Electrical Overstress Protection) to ensure safe and stable device aging.
Technical specification
System Spec.
Item Specification System Capacity 3840PCS(≤1A) Number of Drawers 40 ea Aging Units per Layer 10 layers Constant-Current / Constant-Voltage
Item Specification LD Current Range 0~1A, Accuracy 0.1%F.S±1mA LD Voltage Range 0~5V, Accuracy 0.1%F.S±10mV Drive Current Stability 0.1%F.S±0.5mA EA Current Range 0~150mA, Accuracy 0.1%F.S±0.15mA EA Voltage Range 0~5V, Accuracy 0.1%F.S±5mV Temperature Control Parameters
Item Specification Control Method TEC + Water Cooling Temperature Range 25℃~120℃ Ramp-Up / Ramp-Down Room temp → Target < 20min;
Target → Room temp < 25minTemperature stability ≤ ±0.5℃ at 100℃ Heat Sink Uniformity ≤ ±1℃ at 40~100℃ no load;
≤ ±1.5℃ at 100~120℃ no loadTemperature Uniformity ≤ ±3℃ on-chip NTC Power Measurement & Testing
Item Specification Front Optical Monitoring Power Range 0.01~200mW (≥15mW requires attenuator) Front Optical Monitoring Wavelength Range 800~1700nm (Customizable) Back Optical Monitoring Current Range 0~2000μA, Accuracy 0.1%F.S±5μA Back Optical Monitoring PD Voltage Range 0~5V, Accuracy 0.1%F.S±5mV