inTEST Temptronic ThermoStream ATS-525 Desktop Thermal Shock Test System

Overview

The inTEST Temptronic ThermoStream ATS-525 is a high-performance, desktop-integrated thermal shock test system engineered for rapid, precise, and repeatable temperature cycling of electronic components and semiconductor devices. Unlike conventional environmental chambers that rely on large thermal mass and slow convection, the ATS-525 employs a closed-loop, forced-air thermofluid delivery architecture—based on proprietary ThermoStream® technology—to deliver calibrated, high-velocity conditioned air directly to the device under test (DUT). This enables true thermal shock profiling with sub-second response latency and exceptional thermal fidelity. The system operates across an industry-leading range of –60°C to +225°C without requiring cryogenic consumables such as liquid nitrogen or CO₂, making it both operationally efficient and environmentally compliant. Its modular chiller-controller-shroud configuration supports benchtop deployment or mobile operation via optional castor cart, ensuring adaptability across R&D labs, reliability engineering suites, and production line validation stations.

Key Features

• Ultra-fast thermal transition: Achieves –40°C → +125°C in under 12 seconds and +125°C → –40°C in under 40 seconds—enabling accelerated thermal stress screening per JEDEC JESD22-A104 and MIL-STD-883 Method 1010.
• NIST-traceable temperature accuracy of ±1°C and stability of ±0.01°C—validated at multiple setpoints across the full operating range for metrological confidence in qualification testing.
• CFC-free, non-toxic, non-flammable refrigerant blend compliant with EPA SNAP and EU F-Gas Regulation (EU No. 517/2014), eliminating ozone depletion potential and reducing global warming impact.
• Dual-mode thermal control: Air Mode for ambient reference calibration; DUT Mode for real-time feedback control using integrated T-type or K-type thermocouples placed directly on the component surface.
• Onboard rotary-knob interface with non-volatile memory for storing up to 100 test profiles and runtime logs—supporting GLP-compliant documentation without external PC dependency.
• Integrated overtemperature protection with user-definable upper/lower limits and automatic power modulation during heating cycles to prevent thermal overshoot and compressor strain.
• CE-marked design with electromagnetic compatibility (EMC) per EN 61326-1 and safety compliance per EN 61010-1—suitable for use in ISO/IEC 17025-accredited laboratories.

Sample Compatibility & Compliance

The ATS-525 accommodates a broad spectrum of microelectronic packages—from bare die and flip-chip assemblies to BGA, QFN, CSP, and optoelectronic modules—via its 13.97 cm diameter thermal shroud. The shroud minimizes ambient moisture ingress and suppresses condensation on cold DUT surfaces during low-temperature transitions, critical for testing moisture-sensitive devices per IPC/JEDEC J-STD-020. The system meets functional requirements outlined in ASTM E1545 (Standard Test Method for Calibration of Thermocouples), IEC 60068-2-14 (Environmental Testing – Part 2-14: Tests – Test N: Change of Temperature), and supports audit-ready traceability for FDA 21 CFR Part 11 when used with validated LabVIEW™ automation scripts and electronic signature protocols. All firmware and calibration records are retained internally and exportable in CSV format for QA archival.

Software & Data Management

While fully operational via front-panel controls, the ATS-525 integrates seamlessly with host systems through IEEE-488 (GPIB) and RS-232 interfaces. Native LabVIEW™ drivers—including VIs for ramp rate definition, dwell time sequencing, and real-time thermocouple readback—are provided with full source code access for customization. Data logging includes timestamped temperature readings from both chamber air and DUT sensor inputs, stored with metadata (operator ID, test ID, calibration epoch). Exported datasets comply with ASTM E2913-22 (Standard Practice for Electronic Records and Signatures in Laboratory Information Management Systems) and support automated pass/fail evaluation against user-defined thermal excursion thresholds.

Applications

The ATS-525 serves as a core thermal validation tool in semiconductor reliability engineering, supporting failure mechanism analysis including solder joint fatigue (IPC-9701), intermetallic growth kinetics, and die attach delamination under thermal cycling. It is routinely deployed for pre-conditioning of ICs prior to HTOL (High-Temperature Operating Life), burn-in screening of automotive-grade MCUs (AEC-Q100 Grade 0–2), thermal characterization of GaN/SiC power modules, and thermal shock qualification of 5G RF front-end modules and optical transceivers (e.g., QSFP-DD, OSFP). Its compact footprint and rapid cycle times also make it ideal for Design Verification Testing (DVT) in agile hardware development workflows where iterative thermal margin assessment is required.

FAQ

Does the ATS-525 require liquid nitrogen or other cryogenic fluids to achieve –60°C?
No. The system uses a hermetically sealed, dual-stage vapor compression chiller with an environmentally optimized refrigerant blend—eliminating dependency on consumable coolants and associated handling hazards.
Can the ATS-525 be integrated into an automated test station with third-party handlers?
Yes. Standard GPIB and RS-232 command sets (SCPI-compliant) enable deterministic synchronization with pick-and-place handlers, parametric testers, and boundary scan controllers.
What thermocouple types are supported for DUT-mode feedback control?
T-type and K-type thermocouples are natively supported; cold-junction compensation is performed automatically within the controller unit.
Is NIST-traceable calibration documentation included with shipment?
Yes. Each unit ships with a certificate of calibration valid for 12 months, referencing NIST SRM 1750 (Thermocouple Calibration Standard) and including uncertainty budgets per ISO/IEC 17025 Annex A.
How is maintenance performed, and are field-replaceable modules available?
The system features modular architecture with hot-swappable chiller, controller, and airflow manifold assemblies. In-field replacement kits—including refrigerant charge tools and thermocouple interface boards—are available under inTEST’s Global Service Program.