Flow Control
GF125C-204735
Brooks GF125 Series Mass Flow Controller
About this part
GF125C-204735 is a configured Brooks Instrument GF125 Series metal-sealed thermal mass flow controller observed in Sonisys auction records and exact surplus listings. stored and listing evidence includes GF125CXXC model wording, N2 280 SCCM variants, AMAT / Applied Materials 0190-49893 and 0190-49893-06 contexts, and a separate NF3 100 SCCM DeviceNet surface-mount context. Gas, range, interface, fitting, valve state, and process options must be verified from the physical unit label
Configurations vary. Verify the exact unit before choosing a replacement.
Key Facts
ManufacturerBrooks Instrument
Part numberGF125C-204735
Product familyGF125 Series
Device typeMass Flow Controller
Configuration statusConfiguration varies
Application classSemiconductor/high-purity gas delivery
CategoryFlow Control
Specifications
Identification
| Part identifier | GF125C-204735 |
| Device type | Metal-sealed thermal mass flow controller |
| Manufacturer family | Brooks Instrument GF125 Series within the GF100-family documentation set |
| Related model-family coverage | GF100 / GF101 / GF120 / GF120XSD / GF120XSL / GF121 / GF125 / GF126 metal-sealed mass flow controller and meter family |
| Observed model-code wording | GF125CXXC appears in stored and listing descriptions for this configured part |
Observed part markings
| Customer/OEM part-number context | Stored and listings associate GF125C-204735 with AMAT / Applied Materials 0190-49893 and 0190-49893-06 contexts |
Applications
| Application domain | Semiconductor, MOCVD, thin-film, and high-purity gas flow control |
| Flow-path context | GF100-family devices are designed for applications requiring a high-purity all-metal flow path |
Flow
| Observed stored-auction gas/range | Stored listing evidence includes N2 280 SCCM wording for GF125C-204735 |
| Observed external surplus gas/range | One exact surplus listing identifies GF125C-204735 / GF125CXXC / AMAT 0190-49893-06 with NF3 100 SCCM wording |
| Gas/range programmability | MultiFlo gas and range programmability is supported on applicable GF100-family configurations |
Performance
| Flow accuracy | GF100 analog and DeviceNet documentation lists +/-1% of set point from 35% to 100% full scale and +/-0.35% full scale from 2% to 35% full scale based on factory N2 calibration |
| Settling time | Normally closed valve response ranges from 300 ms to less than 700 ms over listed GF100 / GF125 flow bins |
| Pressure transient insensitivity | GF100-family documentation describes pressure transient insensitivity for more stable mass flow delivery in semiconductor gas systems |
Materials
| Wetted path standard | SEMI F20 HP compliant wetted materials |
| Sensor context | GF100-family documentation describes a corrosion-resistant Hastelloy sensor for long-term sensor stability |
Controls
| Observed interface context | One exact surplus listing identifies DeviceNet interface for a GF125C-204735 / GF125CXXC / AMAT 0190-49893-06 configuration |
Mechanical
| Observed fitting context | One exact surplus listing identifies surface-mount fitting context for a GF125C-204735 / GF125CXXC / AMAT 0190-49893-06 configuration |
Compliance
| Observed CE marking context | One exact surplus listing identifies CE Marked context for a GF125C-204735 / GF125CXXC / AMAT 0190-49893-06 configuration |
Configuration
| Configured-unit rule | Gas, range, calibration basis, communication interface, valve state, fitting package, seal package, surface finish, connector style, and process options vary by configured model code and must be read from the unit label |
Documents
| Hosted official documentation | Sonisys hosts local copies of Brooks GF100-family data, installation, and MultiFlo documentation for reference |
Documentation Downloads
Local PDF copiesPart Photos
10 imagesHistorical archive images for identification, labels, connectors, and condition reference, not current inventory.
Historical Listings & Prices
Historical listing data, not a current offerArchive records4Tracked historical listing records
Historical median price$1,105.25Based on archived listing records
Recorded price range$956.87 - $1,204.25Low to high recorded listing price
Local documents3PDF copies available from Sonisys
Recorded price context
The typical recorded price range is $971.98 to $1,203.95. Based on 4 archived listing records; not a current offer, appraisal, or confirmed sale price.
View archived listing titles
- Brooks GF125C-204735 Mass Flow Controller MFC GF125CXXC 280 SCCM N2 Refurbished
- Brooks GF125C-10664 Mass Flow Controller MFC GF125CXXC 7200 SCCM N2 New Surplus
- Brooks GF125C-204735 Mass Flow Controller MFC 280 SCCM N2 New Surplus
- Brooks Instrument GF125C-204735 Mass Flow Controller MFC AMAT 0190-49893 New
Archived listings
Other Part Numbers & Aliases
GF125C-204735Brooks GF125C-204735Brooks Instrument GF125C-204735Brooks GF125C-204735 GF125CXXCBrooks Instrument GF125C-204735 GF125CXXCGF125C-204735 GF125CXXCGF125C-204735 280 SCCM N2Brooks GF125C-204735 280 SCCM N2GF125C-204735 AMAT 0190-49893GF125C-204735 AMAT 0190-49893-06