LVF3527A (P/N 660-072825-200) | MKS ENI Semiconductor RF Power Supply NSFP Refurbished

Description

At-A-Glance Executive Brief

• Model: LVF3527A, 660-072825-200
• Brand: MKS / ENI, OEM part number for LAM Research
• Part Type: 27 MHz, 3500W RF plasma generator
• Lifecycle status: EOL semiconductor critical spare; stocked for brownfield LAM etch platform maintenance, plasma process tool repair
• System compatibility: LAM semiconductor etch process chamber; delivers high-power 27MHz RF energy to generate and sustain process plasma, controlled via analog I/O and RS-232 by the tool host controller
• Weight: ~32 kg

Technical Introduction

Failure of LVF3527A (660-072825-200) terminates RF plasma power delivery to the process chamber. Plasma cannot be ignited or maintained, which immediately stops wafer etch operations. Tool goes into fault state, causing wafer scrap, lost production and unplanned semiconductor tool downtime.

MKS LVF3527A, with LAM OEM part number 660-072825-200, is a high-power 27MHz RF generator designed for semiconductor plasma processing. It supplies up to 3500W of controllable RF power for etch, CVD and thin-film deposition chambers. This unit uses combined air and water cooling for stable thermal performance under continuous high-power operation. It supports multiple control interfaces: RS-232C serial port, analog I/O for power setpoint and status feedback, plus local front panel operation. The generator provides closed-loop RF power regulation, reflected power monitoring and comprehensive fault protection including over-temperature, over-current and high reflected power interlocks. Widely deployed on LAM etch tools in 200mm and 300mm fabs. Semiconductor equipment reliability teams stock LVF3527A 660-072825-200 to quickly restore plasma power and resume wafer processing.

• Best Suited For
  • LAM semiconductor etch process tools, 27MHz plasma power delivery
  • High power plasma generation for wafer etching, CVD and sputtering processes
  • Direct drop-in replacement for existing MKS LVF3527A LAM OEM RF generator 660-072825-200

Core Technical Specifications

Field Engineer’s Tech Notes

• Confirm full part number 660-072825-200, tool recipe power profile, water circuit specification and host communication wiring before replacement; mismatched RF generator configuration will cause recipe drift or chamber damage.
• Perform lockout/tagout of 3-phase AC power, RF output and cooling water supply before removal. High RF energy remains inside the unit after shutdown.
• Inspect cooling water lines, filters, heat exchanger, RF coaxial cable, matching network and grounding; poor cooling, contaminated water and degraded RF cables are leading causes of generator trips and premature failure.
• After installation, verify water flow and pressure, power-up self-test, RF power calibration, reflected power limit setup, analog/RS232 communication with tool host. Perform plasma ignition test, validate recipe power stability, clear faults and release tool back to production.
• ESD protection required during handling of internal PCB assemblies.
• Schedule periodic water filter replacement and RF cable inspection per semiconductor tool PM schedule.

Adaptive QA & Testing Protocol

Each LVF3527A 660-072825-200 RF generator is bench tested with 3-phase 208V supply, dummy RF load and cooling water loop. We verify power-up diagnostics, full-range RF power output calibration, reflected power protection trip, analog I/O setpoint and feedback accuracy, and RS232 serial communication. Cooling water circuit leakage test is performed. Internal PCB, power components, RF connectors and front panel indicators are visually inspected for corrosion, burn marks or thermal degradation. Full test reports are available upon request.

Buyer’s FAQ

Q: What is MKS LVF3527A 660-072825-200 used for? A: It is a MKS ENI 3500W 27MHz RF plasma generator, LAM OEM part 660-072825-200, used to create and control plasma inside LAM wafer etch chambers for semiconductor manufacturing.

Q: What warranty applies for refurbished and NSFP LVF3527A 660-072825-200? A: Refurbished and NSFP units carry a 12-month hardware warranty. Coverage excludes ESD damage, cooling water contamination, RF load mismatch, improper lockout/tagout and recipe misconfiguration.

Q: What lead time should I expect? A: Stocked units ship 3–7 business days. If inventory depleted, we source surplus MKS LVF3527A generators matching LAM part 660-072825-200.

Q: Is LVF3527A still in production? A: No. The LVF3527A series is end-of-life legacy RF generator for older LAM etch platforms.