GF125C-203331 is a configured Brooks Instrument GF125C pressure transient insensitive metal-sealed thermal mass flow controller observed with AMAT 0190-49895 context and N2 2,600 SCCM listing evidence. Exact surplus listings also associate this part number with GF125CXXC model context, DeviceNet interface, surface-mount fitting, and semiconductor gas-panel applications. Brooks GF125 documentation identifies the GF125 platform as a pressure transient insensitive MFC series for high-purity semiconductor and thin-film gas delivery, with documented 3 sccm to 30 slm N2-equivalent PTI flow ranges across GF125 standard configurations
Unit-specific configuration
Observed configuration
Historical listing records identify this part as N2 at 2,600 SCCM / 2.6 SLM. Exact gas, range, fittings, valve configuration, and communication interface must be verified from the physical unit label.
Configurations vary. Verify the exact unit before choosing a replacement.
Application classSemiconductor/high-purity gas delivery
CategoryFlow Control
Specifications
Identification
Configured part number
GF125C-203331
Device type
Pressure transient insensitive metal-sealed thermal mass flow controller
Series family
Brooks GF100 / GF120 / GF125 high-purity and ultra-high-purity digital mass flow controller family
GF125C context
GF125C-203331 is a configured GF125C/GF125-family unit identifier; stored and external listings also include GF125CXXC and AMAT 0190-49895 contexts
Observed configuration
Observed customer/OEM context
AMAT 0190-49895 appears in stored auction titles and exact external surplus listings for GF125C-203331
Observed gas/range context
Stored auction titles and exact external listing evidence include N2 2,600 SCCM for GF125C-203331
Observed interface and fitting context
Exact external surplus listing context identifies GF125C-203331 / 0190-49895 with DeviceNet interface and surface-mount fitting
Configuration
Configured-unit rule
Gas, full-scale range, SH configuration, communication interface, fitting package, valve state, calibration reference, and customer/OEM suffix details vary by full configured model code
Applications
Application domain
Semiconductor, thin-film, MOCVD, etch, deposition, and high-purity gas delivery applications requiring a metal-sealed flow path
Performance
Pressure transient insensitivity
GF125 PTI technology is documented as reducing the effect of upstream and downstream pressure fluctuations on gas flow
Documented PTI flow range
The GF125 product configuration sheet lists PTI flow ranges from 3 sccm to 30 slm N2 equivalent across SH40 through SH48 configurations
2,600 SCCM configuration context
2,600 SCCM is within the documented GF125 SH45 range of 861 to 2600 sccm N2 equivalent
Typical setpoint response
GF125 documentation lists typical setpoint response of 300 milliseconds from command to desired flow output within the recommended operating range
Settling time by flow bin
GF125 documentation lists settling times of 300 msec for SH40-SH44, 400 msec for SH45-SH46, and 500 msec for SH47-SH48
Standard accuracy
GF125 documentation lists standard accuracy as +/-0.35% full scale from 5-35% and +/-1.0% set point from 35-100%
Repeatability and reproducibility
GF125 documentation lists repeatability and reproducibility as +/-0.15% of set point
GF125 documentation lists 4 microinch Ra surface finish
Pressure
External leak integrity
GF125 documentation lists external leak integrity of 1 x 10^-11 atm cc/sec helium
Proof pressure
GF125 documentation lists 140 psia maximum proof pressure
Controls
Gas/range programmability
GF125 Multi-Gas/Multi-Range configurability supports gas and calibration-curve configuration; documented range scaling can change full-scale flow up to 3:1 where supported
Communication interfaces
GF125 documentation lists DeviceNet via 5-pin M8 connector and Analog/RS-485 via 9-pin D connector; actual interface depends on configuration
Diagnostic/service port
GF125 documentation lists an independent RS485 diagnostic port via 2.5 mm jack
Electrical
Power consumption
GF125 documentation lists 545 mA maximum at 11 VDC, 250 mA maximum at 24 VDC, and 6 W maximum at +/-15 VDC
Operating environment
Temperature range
GF125 documentation lists 10 C to 50 C operating temperature range
Historical archive images for identification, labels, connectors, and condition reference, not current inventory.
Historical Listings & Prices
Historical listing data, not a current offer
Archive records4Tracked historical listing records
Historical median price$723.63Based on archived listing records
Recorded price range$85.00 - $1,202.26Low to high recorded listing price
Local documents4PDF copies available from Sonisys
Recorded price context
The typical recorded price range is $133.00 to $1,202.26. Based on 4 archived listing records; not a current offer, appraisal, or confirmed sale price.
View archived listing titles
Brooks Instrument GF125C-203331 Mass Flow Controller MFC 2600 SCCM N2 New
Brooks Instrument GF125C-203331 Mass Flow Controller MFC AMAT New
Brooks GF125C-203331 Mass Flow Controller, N2, AMAT 0190-49895
