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Product Overview
The LAM 853-049542-173 is a Lam Research PCB assembly identified in industry parts references as a 24-channel temperature controller assembly. It is associated with semiconductor wafer-processing equipment and provides multi-channel temperature monitoring and control within the equipment’s thermal-management architecture. Several component references also associate the assembly with alternate numbers including 810-028295-173 and 810-028296-173.
The board is intended for specialized Lam Research equipment rather than general-purpose industrial automation. Its role is important in processes where heater or temperature feedback must remain stable across multiple zones. Published aftermarket references describe it as a 24-channel temperature-control PCB, while some listings associate it with Lam TCP 9400 equipment. Because manufacturer configuration data is not broadly published, exact equipment compatibility should be verified from the installed assembly label and machine BOM before procurement.
Technical Specifications — 853-049542-173
| Parameter | Value |
|---|---|
| Product Model | 853-049542-173 |
| Manufacturer | Lam Research |
| Product Type | 24-Channel Temperature Controller PCB Assembly |
| Application | Semiconductor wafer-processing equipment |
| Channel Count | 24 temperature-control channels |
| Assembly Type | PCB / controller assembly |
| Associated Part Numbers | 810-028295-173, 810-028296-173 |
| Typical Function | Multi-zone temperature monitoring and control |
| Mounting | Dedicated equipment backplane / board slot |
| Signal Interface | Equipment-specific temperature-control connections |
| Dimensions | Approx. 63 × 258 × 28 mm reported by supplier reference |
| Weight | Approximately 0.7 kg reported for a pre-owned assembly |
| Operating Environment | Controlled semiconductor manufacturing environment |
| Equipment Association | Lam TCP 9400 reported by supplier reference |
| Compliance | Verify against the applicable Lam Research equipment documentation |
Available references consistently identify this part as a 24-channel temperature-control PCB assembly, although published dimensional and electrical specifications vary between third-party listings.
LAM 853-049542-173
Key Features and Benefits — 853-049542-173
- 24-channel temperature-control architecture.
- Designed for Lam Research semiconductor processing equipment.
- Supports multi-zone thermal monitoring and regulation.
- Dedicated PCB form factor for equipment-level integration.
- Related alternate part numbers can assist spare-part cross-reference.
- Suitable for maintenance replacement where the existing board revision is confirmed.
- Compact board architecture helps maintain the original equipment configuration without redesign.
The practical value of this assembly is its channel density and machine-specific integration. Personally, I would verify the exact revision, connector configuration, and corresponding machine model before treating an alternate part number as a direct replacement.
Related Models
810-028295-173 — Associated alternate number reported for the 24-channel temperature-controller assembly.
810-028296-173 — Another related part number appearing with the same temperature-controller PCB assembly in equipment-parts references.
LAM TCP 9400 — Semiconductor-processing equipment reported in supplier references as an application for this assembly.
Installation and Maintenance — 853-049542-173
Before replacement, record the board revision, serial information, connector positions, cable orientation, and equipment configuration. Follow the semiconductor tool manufacturer’s shutdown and ESD procedures, since contamination or connector damage can affect board reliability.
After installation, inspect all harness connections and verify the temperature channels individually. Confirm sensor feedback, heater control response, alarm status, and stable operation before returning the equipment to production.
Because this is a machine-specific PCB assembly, generic electrical equivalence is not sufficient for substitution. The installed equipment model and board revision should be checked against the maintenance documentation.
Product Warranty — 853-049542-173
Warranty conditions depend on supplier, condition, and test status. For critical semiconductor-equipment spares, purchasing records should include the full part number, board revision, serial number, condition, inspection results, and functional-test status.
The LAM 853-049542-173 should therefore be managed as a configuration-specific Lam Research temperature-control spare, with exact machine and revision verification performed before installation.
