Brooks 5964C4KAFR5KA Mass Flow Controller – Obsolete 5964 Series Spare Part

Technical Dossier

Product Details And Specifications

Brooks 5964C4KAFR5KA Mass Flow Controller – Obsolete 5964 Series Spare Part

RFQ support for obsolete parts: Send the model number, required quantity and destination so DriveKNMS can confirm sourcing options before quotation.

Technical Specifications

Note: Electrical parameters beyond those listed above are not published here to avoid specification errors. Contact us for the full datasheet for this specific configuration code.

Solving the Discontinued Hardware Crisis

The Brooks 5964 series was a dominant thermal MFC platform across semiconductor wafer fabrication, flat panel display manufacturing, and specialty chemical processing from the 1990s through the mid-2000s. Its analog 0–5 VDC interface and compact form factor made it the default choice for OEM tool builders including Applied Materials, Lam Research, and Novellus Systems during that era. Many of those tools remain in production today — not because operators are unaware of newer alternatives, but because the cost and risk of re-qualifying a process recipe on a new MFC platform is prohibitive.

Replacing a 5964 series unit with a modern digital MFC requires, at minimum: updated valve driver electronics, revised PLC or DCS communication mapping, and a full process re-qualification run — typically 2 to 6 weeks of engineering time. For a facility running 24/7 production, that window represents direct revenue loss. The 5964C4KAFR5KA, as a drop-in analog replacement, eliminates all of those steps. The process recipe does not change. The wiring harness does not change. The tool qualification record does not change.

Condition & Reliability Assurance

Obsolete MFC units sourced from the secondary market carry specific failure risks that differ from new production components. DriveKNMS applies a 5-step inspection and refurbishment protocol to all 5964 series units before dispatch review:

• Step 1 – Electrolytic Capacitor Assessment: The 5964 series PCB uses electrolytic capacitors with a known service life. Each unit is inspected for capacitor bulge, leakage, and ESR deviation. Units with degraded capacitors are recapped before release.
• Step 2 – Firmware Version Verification: The embedded control firmware version is logged and cross-referenced against the unit's configuration code to confirm compatibility with the target system.
• Step 3 – Pin and Connector Inspection: All D-sub and process connector pins are inspected under magnification for oxidation, corrosion, and mechanical deformation. Corroded contacts are treated or the connector assembly is replaced.
• Step 4 – Flow Calibration Verification: Units are bench-tested against the rated gas type and flow range. Calibration drift beyond acceptable tolerance is corrected prior to shipment.
• Step 5 – Functional Burn-In: Each unit undergoes a minimum 24-hour operational burn-in at rated conditions to screen for latent failures before dispatch.

Key Features for System Maintenance

Q: How do I confirm the unit is genuine Brooks Instrument and not a counterfeit?
A: All units supplied by DriveKNMS carry original Brooks Instrument serial numbers and date codes. We provide full traceability documentation including inspection records. Customers may request pre-shipment photos of the serial number plate and PCB assembly.

Q: Can you source other 5964 series configuration codes?
A: Yes. DriveKNMS maintains sourcing networks for the full Brooks 5964 series across multiple configuration codes. Submit your complete part number list for a consolidated quotation.