Widely used in industrial control, power supply systems, automotive electronics and consumer hardware, ONSEMI (ON Semiconductor) offers a complete lineup of power devices, analog ICs, discrete semiconductors and logic chips. Understanding its official prefix rules helps engineers quickly classify components, improve BOM sorting and accelerate prototype verification and mass production. For daily datasheet inquiries, stock verification and alternative component searching, ICGOODFIND provides comprehensive and updated component parameter resources.
1. Power Management ICs
NCP: General-purpose power ICs, including AC-DC controllers, PFC drivers, LDO regulators and load switches, widely adopted in industrial equipment, home appliances and commercial power supplies.
Common models: NCP1654BD65R2G, NCP1034DR2G, NCP1252ADR2G, NCP1529ASNT1G, NCP3170ADR2G, NCP45560IMNTWG-H
NCV: Automotive-grade components compliant with AEC-Q100 standards, featuring high temperature resistance and strong anti-interference performance for vehicle electronic systems.
Common models: NCV8402ASTT1G, NCV8402ADDR2G
FAN: Gate drivers and PWM control chips, commonly used for power module drives and fan control circuits.
Common models: FAN7382MX
MC: Inherited from the former National Semiconductor product line, covering DC-DC converters, operational amplifiers and general analog devices.
Common models: MC34063ADR2G, MC33063ADR2G
LM: Classic universal operational amplifiers and voltage regulators for general circuit design.
Common models: LM358DR2G
2. MOSFET & Power Devices
NT / NTM: N-channel MOSFETs with stable performance, suitable for small-signal and high-current switching circuits.
Common models: NTMFS5C430NLT1G
FDV / FQP / F: Fairchild-originated MOSFET series, mainly in compact SMD packages with excellent cost performance for consumer and industrial low-power circuits.
Common models: FDV301N, FQP30N06L, FDN369
S: Automotive-grade discrete devices, including automotive MOSFETs and diodes, capable of withstanding harsh vehicle operating conditions.
Common models: SBR1045CT, SMBJ6.5A, SQJ404EP
NXH: Silicon carbide (SiC) power modules, designed for high-voltage and high-frequency scenarios, extensively used in new energy equipment and high-power industrial converters.
Common models: NXH40T120L3Q1, NXH500B100H7Q2F2SHG
3. Diodes & Transistors
MMBT / MMB: SOT-23 packaged small-signal transistors, the most universal discrete components for circuit switching and signal control.
Common models: MMBT3904LT1G, MMBT2222ALT1G, MMBT3906LT1G
MBR / M: Schottky diodes with low forward voltage drop and fast switching speed, ideal for high-frequency rectification circuits.
Common models: MBR0520LT1G, MBR0540T1G
NSR: Ultra-fast recovery rectifier diodes with excellent reverse recovery characteristics, widely used in high-frequency switching power supplies.
Common models: NSR1020MW2T1G, NSR0320MW2T1G
P / PZ: Zener voltage regulator diodes for circuit voltage stabilization and overvoltage protection.
4. Logic & Analog Switch ICs
NC7 / NC: High-speed logic gates and level-shifting chips, mostly in ultra-small SMD packages for compact PCB design.
Common models: NC7S04M5X, NC7S14P5X, NC7SP05L6X, NC7WZ07P6X
NS: Analog switches and interface management chips, applied to multi-channel signal switching and signal acquisition systems.
Common models: NSI45020, NSR1020MW2T1G, NSR0320MW2T1G
5. Automotive-Grade Special Series
NCV: Automotive-grade power management and driver chips for vehicle control units and in-vehicle power systems.
Common models: NCV8402ASTT1G, NCV8402ADDR2G, NCV7520MWTXG
NRV: Automotive-grade fast recovery rectifier diodes, featuring high stability under extreme temperature and voltage fluctuations.
Common models: NRV1040, NRV1060, NRV0820
S: Automotive-grade diode arrays and discrete protection devices for automotive circuit anti-surge and ESD protection.
Common models: SBR1045CT, SMBJ6.5A
Quick Prefix Summary
NCP/NCV for general and automotive power ICs; FDV/FQP/NT for mainstream MOSFETs; MMBT for small-signal transistors; LM/MC for op-amps and DC-DC chips; NC7/NS for logic and signal switching devices; NRV/S for automotive discrete components; NXH for high-performance SiC power modules.
Complete ONSEMI Hot-Selling Model List
NCP1654BD65R2G, NCP1034DR2G, NCP1252ADR2G, NCP1529ASNT1G, NCP3170ADR2G, NCP45560IMNTWG-H, NCV8402ASTT1G, NCV8402ADDR2G, NCV7520MWTXG, FAN7382MX, MC34063ADR2G, MC33063ADR2G, LM358DR2G, NTMFS5C430NLT1G, FDV301N, FQP30N06L, FDN369, MMBT3904LT1G, MMBT2222ALT1G, MMBT3906LT1G, MBR0520LT1G, MBR0540T1G, NSR1020MW2T1G, NSR0320MW2T1G, NC7S04M5X, NC7S14P5X, NC7SP05L6X, NC7WZ07P6X, NSI45020, NRV1040, NRV1060, NRV0820, SBR1045CT, SMBJ6.5A, SQJ404EP, NXH40T120L3Q1, NXH500B100H7Q2F2SHG
