Fairchild Semiconductor Power Components & Modules: IGBT, SuperFET MOSFET, Motion SPM, Optocouplers & Gate Drivers

Supply industrial power semiconductor components and intelligent power modules from Fairchild Semiconductor (integrated into onsemi): FGH and FGA Field Stop Trench IGBTs, SuperFET and PowerTrench MOSFETs, three-phase Motion SPM modules, FOD/6N137/MOC optocouplers, FAN7392 gate drivers, and FPS power switches.

Fairchild Field Stop Trench IGBT Discrete Transistors: FGH, FGA, FGP & FGL Series (600–1200 V)

Fairchild discrete Insulated Gate Bipolar Transistors (IGBTs), engineered using proprietary Field Stop Trench architectures (spanning FS II, FS III, and FS IV generations), deliver low conduction and switching losses across hard-switching and resonant power topologies.

The portfolio encompasses FGH, FGA, FGP, and FGL families rated at 600 V, 650 V, and 1200 V with continuous collector currents from 15 A to 120 A (including industry-standard FGH40N60SFD, FGH60N60SMD, FGA25N120ANTD, and FGL40N120AND devices).

Co-packaged soft-recovery freewheeling diodes ensure reliable operation in inverter welding machines, UPS systems, and AC motor drives.

Collector-emitter breakdown voltages of 600 V, 650 V, and 1200 V with continuous currents from 15 A to 120 A
Field Stop Trench cell geometry providing low VCE(sat) saturation voltage and tight parameter distribution
Co-packaged fast-recovery anti-parallel diodes optimized for low turn-off switching losses and EMI
Standard industrial power packages including TO-247, TO-220, TO-220F, TO-3P, and surface-mount D2PAK

Fairchild Power MOSFETs: SuperFET II/III, PowerTrench, UniFET & QFET Families (20–900 V)

Fairchild's N-channel and P-channel power MOSFET portfolio spans drain-source voltages from 20 V to 900 V.

High-voltage SuperFET II/III, UniFET, and QFET families (FCH, FDA, FDB, FDP, FQP, and FQPF series rated at 500–900 V) utilize deep-trench charge-balance Super-Junction technology to achieve industry-low on-resistance RDS(on), reduced gate charge Qg, and rugged avalanche energy ratings.

Low- and medium-voltage PowerTrench MOSFETs (FDD, FDS, and FDMS series from 20 V to 250 V) maximize efficiency in synchronous rectification, DC-DC converters, and BLDC motor drives.

High-voltage SuperFET II/III and UniFET (500–900 V) Super-Junction MOSFETs for active PFC stages and industrial SMPS
Low- and medium-voltage shielded-gate PowerTrench MOSFETs (20–250 V) with ultra-low RDS(on) and switching figure-of-merit
High single-pulse avalanche energy (EAS) capability and robust body-diode dv/dt commutation ruggedness
Available in through-hole TO-220, TO-220F, TO-247 and surface-mount D2PAK, DPAK, SO-8, and Power56 packages

Fairchild Motion SPM Intelligent Power Modules: FSBB, FSBS, FNA & FPAB Series (600 V)

Fairchild Motion SPM (Smart Power Modules) provide fully integrated three-phase inverter power stages utilizing matched IGBT or MOSFET switches for variable frequency drives, servo amplifiers, industrial pumps, and HVAC compressors from 50 W to 7.5 kW.

Each thermally enhanced Transfer-Molded module integrates six power switches with freewheeling diodes, high-voltage high/low-side gate driver ICs, bootstrap diodes with current-limiting resistors, short-circuit protection, under-voltage lockout (UVLO), and an NTC thermistor for real-time substrate

temperature monitoring.

Core industrial series FSBB, FSBS, FNA, FPAB, and FPDB (e.g., FSBB30CH60C, FSBS15CH60, FNA41560) rated at 600 V and 3–50 A
Built-in HVIC gate drivers with matched propagation delays and integrated bootstrap diodes simplifying PCB layout
Comprehensive fault protection including over-current shutdown, all-channel UVLO, and integrated NTC temperature sensing
Separate open-emitter pins on low-side IGBTs enabling accurate three-phase leg current sensing for vector motor control

Fairchild Optoplanar Industrial Optocouplers & Gate Drive Optoisolators: FOD, 6N137 & MOC Series

Fairchild optical isolation devices utilize proprietary coplanar Optoplanar packaging architecture to achieve isolation voltages up to 5000 V RMS and common-mode transient immunity (CMTI) exceeding 35–50 kV/µs.

The industrial lineup includes high-current IGBT/MOSFET gate drive optocouplers (FOD3180, FOD3182, and FOD8316 with desaturation fault detection), high-speed 10 Mbps logic gate optocouplers (6N137, 6N135, FOD060L), general phototransistor couplers (FOD817, 4N35), and random-phase or zero-crossing

triac driver optocouplers (MOC3021, MOC3041, MOC3063, MOC3083).

High-speed 2 A to 3 A IGBT/MOSFET gate drive optocouplers FOD3180, FOD3182, and FOD8316 with active Miller clamp
Zero-crossing and random-phase triac driver optoisolators MOC3021, MOC3041, MOC3063, and MOC3083 rated at 400–800 V
High-speed 10 Mbps logic optocouplers 6N137, 6N135, and FOD060L for industrial fieldbus isolation (RS-485, CAN, Modbus)
Coplanar Optoplanar construction certified to UL1577 and DIN EN/IEC 60747-5-5 with up to 5000 V RMS isolation

Fairchild High-Voltage High/Low-Side Gate Driver ICs: FAN7392, FAN7390, FAN7382 & FAN3224

Fairchild monolithic high- and low-side gate driver ICs and half-bridge drivers (FAN series) are designed to drive MOSFET and IGBT power switches operating on DC-bus rails up to 600 V.

Key industrial devices—including FAN7390, FAN7392, FAN7842, FAN7382, FAN7380, and high-speed low-side drivers FAN3224 and FAN3100—deliver peak sink and source currents up to 4.5 A.

Common-mode dV/dt noise-canceling circuitry ensures latch-up-free operation up to 50 V/ns in motor drives, induction heating systems, and uninterruptible power supplies.

600 V high-side and low-side / half-bridge gate drivers FAN7390, FAN7392, FAN7842, and FAN7382 in DIP and SOP packages
Peak gate drive source/sink current capabilities ranging from 2.0 A to 4.5 A for rapid power switch commutation
Integrated shoot-through cross-conduction prevention, adjustable dead-time control, and dual-channel UVLO lockout
High negative VS transient voltage tolerance and 50 V/ns dV/dt common-mode noise immunity

Fairchild Power Switch (FPS) Integrated Offline Switchers, PWM Controllers & Voltage Regulators

For auxiliary switch-mode power supplies in variable frequency drives, PLC power modules, and CNC control boards, Fairchild developed the Fairchild Power Switch (FPS) family (FSDM, FSDL, FSQ, FSL, and FSGM series, including FSDM0365RN, FSDM0565RB, and FSQ0565RS).

Each FPS device integrates a fixed-frequency PWM controller and a rugged 650–800 V avalanche-rated SenseFET in a single DIP-8 or TO-220 package. We also supply standalone PWM/PFC controllers (FAN6755, FAN4800, KA3842, KA7500) and linear voltage regulators (LM7805, LM7812, LM7815, LM7824, LM317).

Integrated Fairchild Power Switch (FPS) ICs (FSDM, FSDL, FSQ, FSL) combining PWM control and a 650–800 V SenseFET
Current-mode and push-pull PWM/PFC controllers including FAN6755, FAN4800, KA3842, KA3843, and KA7500
Positive and negative three-terminal linear voltage regulators LM78xx, LM79xx, adjustable LM317, and low-dropout LDOs
Built-in overload protection (OLP), over-voltage protection (OVP), thermal shutdown (TSD), and frequency hopping for low EMI

Fairchild Stealth & Hyperfast II Power Rectifiers, Schottky Diodes & TVS Protection

Fairchild high-speed power rectifiers are engineered for high-frequency output rectification, active boost PFC stages, and freewheeling or snubber circuits in industrial inverters.

RURG, RHRP, FFPF, FFH, and EGP series diodes utilizing Stealth and Hyperfast II silicon technologies span reverse voltages from 200 V to 1200 V and forward currents from 8 A to 100 A, achieving reverse recovery times (trr) down to 25–65 ns with soft recovery characteristics.

MBR and SS series Schottky barrier rectifiers minimize forward voltage drop in low-voltage secondary rails.

Stealth and Hyperfast II ultrafast power diodes (RURG3060, RHRP15120, FFPF10U60S) rated at 600 V and 1200 V
Fast reverse recovery times trr from 25 ns with soft recovery factor reducing turn-on losses in companion IGBT/MOSFET switches
Dual common-cathode Schottky barrier rectifiers (MBR20100CT, MBR3045PT) and surface-mount SS series diodes
Transient voltage suppressors (TVS), precision Zener diodes (BZX, 1N47xx), and small-signal switching diodes (1N4148, 1N4007)

Fairchild TinyLogic ICs, Bus Transceivers & Official onsemi Part Number Cross-Reference

Industrial PLC CPU boards, servo encoder interfaces, and HMI terminals rely extensively on Fairchild's ultra-compact TinyLogic single/dual gates (NC7SZ, NC7WZ, and NC7SP series in SOT-23, SC-70, and MicroPak packages), 74AC/74ACT/74LCX/74VCX multi-bit bus transceivers, and FSA analog switches.

Following the integration of Fairchild Semiconductor into onsemi (ON Semiconductor), we supply both original Fairchild-marked stock and current factory-production equivalents under official onsemi ordering codes with verified pin-for-pin compatibility.

Ultra-compact TinyLogic single and dual CMOS logic gates and Schmitt triggers (NC7SZ04, NC7SZ08, NC7SZ14, NC7WZ17)
Multi-bit level-shifting bus transceivers, line drivers, and buffers across 74AC, 74ACT, 74LCX, and 74VCX logic families
Verified engineering cross-referencing between legacy Fairchild Semiconductor part numbers and active onsemi orderable codes
Shipped in factory moisture-barrier ESD packaging (Tape & Reel, anti-static tubes, trays) or maintenance repair quantities

Fairchild Semiconductor Component Identification & Official onsemi Cross-Referencing

Fairchild Semiconductor International, Inc.

(founded in 1957 in California, USA, as a pioneer of planar silicon transistors and monolithic integrated circuits; integrated into onsemi / ON Semiconductor in September 2016) engineered industry-standard power electronics devices deployed across industrial automation worldwide.

To ensure accurate component sourcing or replacement verification, specify the complete top-mark or ordering code (for example, FGH40N60SFD, FGH60N60SMD, FGA25N120ANTD, FGL40N120AND, FSBB30CH60C, FSBS15CH60, FNA41560, FOD3180, FOD3182, FOD8316, 6N137, MOC3063, FAN7392, FSDM0365RN, or RURG3060),

package outline (TO-247, TO-220, D2PAK, DIP-8, SOIC-8, SPM), and required quantity.

Following the integration of Fairchild product lines into the onsemi portfolio, our engineering team cross-references factory Product Change Notifications (PCNs) to supply either genuine Fairchild-marked warehouse stock or direct factory-current onsemi production equivalents.

Field Stop Trench IGBT Transistors in High-Power Industrial Inverters & Welders

Fairchild FGH, FGA, FGP, and FGL series discrete IGBTs are purpose-built for demanding hard-switching and resonant power conversion topologies in industrial inverter welders, uninterruptible power supplies (UPS), variable frequency drives, and induction heating generators.

Proprietary Field Stop Trench silicon structures minimize drift-region thickness and reduce VCE(sat) conduction losses.

Co-packaged soft-recovery fast freewheeling diodes suppress collector voltage overshoot spikes during inductive turn-off transitions and reduce electromagnetic interference (EMI) across high-frequency motor drive bridges.

We supply 600 V, 650 V, and 1200 V discrete IGBTs rated from 15 A to 120 A in matched production lot codes suitable for parallel operation in high-current inverter stages.

High-Voltage SuperFET II/III & Medium-Voltage PowerTrench MOSFET Architectures

High-voltage SuperFET II, SuperFET III, UniFET, and QFET power MOSFETs rated from 500 V to 900 V are optimized for active power factor correction (PFC) stages, LLC resonant half-bridge converters, and industrial telecom rectifiers.

Charge-balanced Super-Junction pillars deliver low specific on-resistance RDS(on) combined with high avalanche energy capability.

Low- and medium-voltage shielded-gate PowerTrench MOSFETs spanning 20 V to 250 V minimize conduction and gate-drive losses in secondary synchronous rectification, distributed DC-DC converters, and brushless DC (BLDC) servo drive stages.

We supply power MOSFETs across through-hole packages (TO-220, TO-220F, TO-247, TO-3P) and thermally enhanced surface-mount footprints (D2PAK, DPAK, SO-8, Power56).

Motion SPM Intelligent Power Modules for Compact Variable Frequency Drives & Servos

Fairchild Motion SPM (Smart Power Modules) across the FSBB, FSBS, FNA, FPAB, and FPDB families integrate a complete three-phase IGBT or MOSFET inverter bridge, high-voltage gate driver ICs, bootstrap circuits, and protection logic into a single thermally conductive transfer-molded package.

This integration reduces PCB footprint and assembly complexity in 50 W to 7.5 kW motor drives, pumps, and HVAC compressors.

Independent open-emitter terminals on the three low-side switches allow external shunt resistors to measure phase currents individually, supporting high-bandwidth Field-Oriented Control (FOC) algorithms.

We supply 600 V Motion SPM modules rated from 3 A to 50 A for OEM drive production and industrial inverter maintenance.

Optoplanar Galvanic Isolation: FOD Gate Drive Optocouplers & MOC Triac Drivers

Reliable galvanic isolation between low-voltage microcontroller logic and high-voltage DC-bus rails is achieved through Fairchild Optoplanar optocouplers.

Coplanar emitter-detector geometry with an internal Faraday shield delivers 5000 V RMS dielectric isolation and common-mode transient immunity (CMTI) exceeding 35–50 kV/µs.

High-current FOD3180, FOD3182, and FOD8316 gate drive optocouplers supply 2–3 A peak output currents to drive power IGBTs directly, while MOC3021, MOC3041, MOC3063, and MOC3083 zero-crossing triac driver optoisolators control AC thyristors and industrial solid-state relays in heating and extrusion

lines.

We supply gate drive optocouplers, high-speed 10 Mbps 6N137 logic isolators for RS-485/CAN fieldbuses, and FOD817 phototransistor couplers.

FAN High-Voltage Gate Driver ICs & Fairchild Power Switch (FPS) Offline Switchers

Monolithic 600 V high-side and low-side gate driver ICs—including FAN7390, FAN7392, FAN7842, and FAN7382—deliver up to 4.5 A peak gate drive current with integrated dead-time generation, shoot-through prevention, and 50 V/ns dV/dt immunity.

For auxiliary switch-mode power supplies in PLCs, CNC controllers, and frequency inverters, Fairchild Power Switch (FPS) devices (FSDM, FSDL, FSQ, and FSL series) combine a PWM controller and a rugged 650–800 V avalanche-rated SenseFET in one package with integrated overload, over-voltage, and

thermal shutdown protection.

We supply FAN gate drivers, FPS offline switchers, classic KA3842 and KA7500 PWM controllers, and LM78xx and LM317 linear regulators.

Quality Assurance, ESD/MSL Packaging & Industrial PCB Repair Component Supply

Restoring failed power boards in CNC machines, servo amplifiers, industrial UPS units, and welding systems requires authentic semiconductor dies meeting factory breakdown voltage and thermal impedance specifications.

SpareX supplies original Fairchild Semiconductor and onsemi power transistors, Stealth and Hyperfast II rectifiers (RURG, RHRP, FFPF series), Motion SPM modules, and control ICs in compliant moisture-barrier ESD packaging (Tape & Reel, anti-static tubes, and matrix trays).

We process multi-line Bill of Materials (BOM) schedules, schematic part lists, and component nameplate photos.

Global Export Logistics & Consolidated Electronic Component Sourcing

SpareX coordinates international sourcing and export delivery of Fairchild Semiconductor and onsemi discrete power components, intelligent power modules, and integrated circuits for electronics manufacturers, automation integrators, and maintenance organizations worldwide.

We manage batch date-code verification, multi-line BOM consolidation, export customs clearance, and air/multimodal door-to-door logistics.

We support both urgent maintenance repair quantities and full-reel OEM production consignments with complete commercial documentation.

Component availability, factory lead times, and export pricing for Fairchild Semiconductor (onsemi) products are calculated individually upon BOM inquiry; public retail price lists are not published.

We operate as an independent international electronics supplier and are not an exclusive agent of Fairchild or onsemi. Pneumatic pressure regulators produced by the homonymous Rotork Fairchild Industrial Products Company are unrelated to Fairchild Semiconductor.