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Rochester Electronics

📍 Newburyport, Massachusetts, USA📅 Est. 1981🔗 Official Site →

Rochester Electronics is the world's largest authorized distributor of end-of-life (EOL) semiconductors, providing a continuous source of supply for critical applications. Rochester is authorized by over 70 semiconductor manufacturers to continue the supply of their discontinued products with full manufacturer quality and traceability.

106,490
Total Parts
75,392
In Stock
101
Categories
75,398
Active
30,906
EOL/Obsolete

Key Product Lines

End-of-Life SemiconductorsObsolete ComponentsLicensed ManufacturingLong-Term SupplyDrop-In ReplacementsMilitary/Aerospace Grade

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Rochester Electronics authorized parts available through FPGACenter. Military and aerospace obsolete components with full traceability.

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Rochester Electronics Product Categories

Microcontrollers (MCU) (9283)Op Amps & Instrumentation Amplifiers (6708)Specialized ICs (6550)Buffers, Drivers, Receivers & Transceivers (6085)Gates & Inverters (5995)Linear Regulators (LDO) (5541)Drivers, Receivers & Transceivers (5534)SRAM (4418)Supervisors & Reset ICs (4368)ADC - Analog to Digital Converters (3457)Signal Switches, MUX & Decoders (3324)DAC - Digital to Analog Converters (2917)Flip-Flops (2474)Analog Switches & Multiplexers (2152)DC-DC Switching Controllers (1924)DC-DC Switching Regulators (1829)Clock Generators, PLLs & Synthesizers (1550)DSP - Digital Signal Processors (1474)Voltage References (1430)Counters & Dividers (1410)Microprocessors (MPU) (1145)EEPROM (1096)Shift Registers (1011)Specialized Power Management (1007)General Memory ICs (993)Digital Potentiometers (984)Audio Amplifiers (948)Gate Drivers (899)Latches (899)FPGAs (783)Telecom ICs (779)FIFO Memory (747)Power Distribution Switches (653)Interface Controllers (651)Analog Comparators (636)PLDs - Programmable Logic Devices (604)Linear Regulator Controllers (581)AC-DC Converters & Offline Switchers (574)Special Purpose ICs (570)ADC/DAC - Special Purpose (555)CPLDs (540)LED Drivers (540)Motor Drivers & Controllers (534)Flash Memory (476)Translators & Level Shifters (467)Specialty Logic (448)Video Processing ICs (414)Clock Buffers & Drivers (407)Delay Lines (389)Battery Management ICs (372)Audio Special Purpose ICs (370)Video Amplifiers (365)Logic Comparators (306)Analog Switches - Special Purpose (301)Hot Swap Controllers (270)Display Drivers (268)Audio CODECs (251)Encoders, Decoders & Converters (245)Battery Chargers (243)Special Purpose Amplifiers (228)Real-Time Clocks (RTC) (218)UARTs (217)Programmable Timers & Oscillators (217)Active Filters (213)Multivibrators (207)PFC Controllers (194)Power Supply Controllers & Monitors (193)Full & Half-Bridge Drivers (178)Analog Multipliers & Dividers (177)I/O Expanders (175)ROM & NVRAM (171)Parity Generators & Checkers (170)Serializers & Deserializers (164)Sensor & Detector Interfaces (160)Application Specific Processors (155)Linear & Switching Controllers (142)Analog Front End (AFE) (135)Modems (128)Universal Bus Functions (121)EPROM (107)Lighting & Ballast Controllers (103)Thermal Management ICs (102)Signal Terminators (96)System On Chip (SoC) (91)Current Regulation & Management (84)Energy Metering ICs (72)RMS to DC Converters (60)Configuration PROMs for FPGAs (52)Touch Screen Controllers (51)Capacitive Touch Sensors (51)FRAM & MRAM (50)Laser Drivers (48)Signal Buffers, Repeaters & Splitters (47)PoE Controllers (39)V/F and F/V Converters (35)Direct Digital Synthesis (DDS) (32)DRAM & SDRAM (27)OR Controllers & Ideal Diodes (24)MCU, MPU & FPGA Modules (5)Voice Record & Playback (5)Interface Modules (2)

All Rochester Electronics Products

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Part NumberCategoryDescriptionPackageStockPriceStatus
QS3390XQSignal Switches, MUX & DecodersThe QS3390XQ is a combinational logic IC manufactured by Rochester Electronics. Design review should confirm logic family, I/O voltage, propagation delay, package fit, and operating temperature limits, plus genuine factory-marked silicon, original packaging, and full lot/date code traceability. This - component is supplied in a standard package suitable for both prototyping and production builds. Designed for consumer electronics, industrial control, and telecommunications applications, the QS3390XQ is currently in active production through Rochester Electronics's standard distribution channels.1,781 In Stock$4.09ACTIVERFQ
QS3390XSOSignal Switches, MUX & DecodersThe QS3390XSO is a combinational logic IC manufactured by Rochester Electronics. Design review should confirm logic family, I/O voltage, propagation delay, package fit, and operating temperature limits, plus genuine factory-marked silicon, original packaging, and full lot/date code traceability. This - component is supplied in a standard package suitable for both prototyping and production builds. Designed for consumer electronics, industrial control, and telecommunications applications, the QS3390XSO is currently in active production through Rochester Electronics's standard distribution channels.5,112 In Stock$0.4973ACTIVERFQ
QS33X257Q1GAnalog Switches & MultiplexersThe QS33X257Q1G is an analog switch/multiplexer manufactured by Rochester Electronics. Design review should confirm ADC or DAC signal-chain requirements, channel count, resolution, supply voltage, and operating temperature limits, plus genuine factory-marked silicon, original packaging, and full lot/date code traceability. This Surface Mount component is supplied in a 48-FSOP (0.154", 3.90mm Width) package and is rated for operation across -40°C ~ 85°C (TA). Designed for instrumentation, medical devices, and audio systems applications, the QS33X257Q1G is currently in active production through Rochester Electronics's standard distribution channels.48-FSOP (0.154", 3.90mm Width)1,877 In Stock$0.4410ACTIVERFQ
QS33X257Q1G8Analog Switches & MultiplexersThe QS33X257Q1G8 is an analog switch/multiplexer manufactured by Rochester Electronics. Design review should confirm ADC or DAC signal-chain requirements, channel count, resolution, supply voltage, and operating temperature limits, plus genuine factory-marked silicon, original packaging, and full lot/date code traceability. This Surface Mount component is supplied in a 48-FSOP (0.154", 3.90mm Width) package and is rated for operation across -40°C ~ 85°C (TA). Designed for instrumentation, medical devices, and audio systems applications, the QS33X257Q1G8 is currently in active production through Rochester Electronics's standard distribution channels.48-FSOP (0.154", 3.90mm Width)9,083 In Stock$0.4410ACTIVERFQ
QS33X257XQ1Signal Switches, MUX & DecodersThe QS33X257XQ1 is a combinational logic IC manufactured by Rochester Electronics. Design review should confirm logic family, I/O voltage, propagation delay, package fit, and operating temperature limits, plus genuine factory-marked silicon, original packaging, and full lot/date code traceability. This - component is supplied in a standard package suitable for both prototyping and production builds. Designed for consumer electronics, industrial control, and telecommunications applications, the QS33X257XQ1 is currently in active production through Rochester Electronics's standard distribution channels.4,296 In Stock$1.83ACTIVERFQ
QS34X2245Q3Signal Switches, MUX & DecodersThe QS34X2245Q3 is a combinational logic IC manufactured by Rochester Electronics. Technical highlights include 4.75V ~ 5.25V supply voltage and -40°C ~ 85°C operating temperature; design review should confirm logic family, I/O voltage, propagation delay, package fit, and operating temperature limits. This Surface Mount component is supplied in a 80-FSOP (0.154", 3.90mm Width) package and is rated for operation across -40°C ~ 85°C. Designed for consumer electronics, industrial control, and telecommunications applications, the QS34X2245Q3 is currently in active production through Rochester Electronics's standard distribution channels.80-FSOP (0.154", 3.90mm Width)32,660 In Stock$0.3032ACTIVERFQ
QS34X2245Q3G8Signal Switches, MUX & DecodersThe QS34X2245Q3G8 is a combinational logic IC manufactured by Rochester Electronics. Technical highlights include 4.75V ~ 5.25V supply voltage and -40°C ~ 85°C operating temperature; design review should confirm logic family, I/O voltage, propagation delay, package fit, and operating temperature limits. This Surface Mount component is supplied in a 80-FSOP (0.154", 3.90mm Width) package and is rated for operation across -40°C ~ 85°C. Designed for consumer electronics, industrial control, and telecommunications applications, the QS34X2245Q3G8 is currently in active production through Rochester Electronics's standard distribution channels.80-FSOP (0.154", 3.90mm Width)27,649 In Stock$0.9000ACTIVERFQ
QS34X2245YQ3Buffers, Drivers, Receivers & TransceiversThe QS34X2245YQ3 is a transceiver IC manufactured by Rochester Electronics. Design review should confirm SPI, I2C, UART, CAN bus, USB, or Ethernet interface requirements, signal integrity, package fit, and operating temperature limits, plus genuine factory-marked silicon, original packaging, and full lot/date code traceability. This - component is supplied in a standard package suitable for both prototyping and production builds. Designed for motor control, LED lighting, and display backlight applications, the QS34X2245YQ3 is currently in active production through Rochester Electronics's standard distribution channels.2,918 In Stock$1.03ACTIVERFQ
QS34X245DMG8Signal Switches, MUX & DecodersThe QS34X245DMG8 is a combinational logic IC manufactured by Rochester Electronics. Design review should confirm logic family, I/O voltage, propagation delay, package fit, and operating temperature limits, plus genuine factory-marked silicon, original packaging, and full lot/date code traceability. This - component is supplied in a standard package suitable for both prototyping and production builds. Designed for consumer electronics, industrial control, and telecommunications applications, the QS34X245DMG8 is currently in active production through Rochester Electronics's standard distribution channels.6,785 In Stock$0.7508ACTIVERFQ
QS34X245YQ3Signal Switches, MUX & DecodersThe QS34X245YQ3 is a combinational logic IC manufactured by Rochester Electronics. Design review should confirm logic family, I/O voltage, propagation delay, package fit, and operating temperature limits, plus genuine factory-marked silicon, original packaging, and full lot/date code traceability. This - component is supplied in a standard package suitable for both prototyping and production builds. Designed for consumer electronics, industrial control, and telecommunications applications, the QS34X245YQ3 is currently in active production through Rochester Electronics's standard distribution channels.6,970 In Stock$0.6948ACTIVERFQ
QS34XVH2245Z4Q3Signal Switches, MUX & DecodersThe QS34XVH2245Z4Q3 is a combinational logic IC manufactured by Rochester Electronics. Design review should confirm logic family, I/O voltage, propagation delay, package fit, and operating temperature limits, plus genuine factory-marked silicon, original packaging, and full lot/date code traceability. This - component is supplied in a standard package suitable for both prototyping and production builds. Designed for consumer electronics, industrial control, and telecommunications applications, the QS34XVH2245Z4Q3 is currently in active production through Rochester Electronics's standard distribution channels.1,507 In Stock$7.04ACTIVERFQ
QS34XVH245Q3GSignal Switches, MUX & DecodersThe QS34XVH245Q3G is a combinational logic IC manufactured by Rochester Electronics. Technical highlights include 2.3V ~ 3.6V supply voltage and -40°C ~ 85°C operating temperature; design review should confirm logic family, I/O voltage, propagation delay, package fit, and operating temperature limits. This Surface Mount component is supplied in a 80-FSOP (0.154", 3.90mm Width) package and is rated for operation across -40°C ~ 85°C. Designed for consumer electronics, industrial control, and telecommunications applications, the QS34XVH245Q3G is currently in active production through Rochester Electronics's standard distribution channels.80-FSOP (0.154", 3.90mm Width)5,400 In Stock$1.94ACTIVERFQ
QS34XVH245Z4Q3Buffers, Drivers, Receivers & TransceiversThe QS34XVH245Z4Q3 is a transceiver IC manufactured by Rochester Electronics. Design review should confirm SPI, I2C, UART, CAN bus, USB, or Ethernet interface requirements, signal integrity, package fit, and operating temperature limits, plus genuine factory-marked silicon, original packaging, and full lot/date code traceability. This - component is supplied in a standard package suitable for both prototyping and production builds. Designed for motor control, LED lighting, and display backlight applications, the QS34XVH245Z4Q3 is currently in active production through Rochester Electronics's standard distribution channels.5,262 In Stock$1.26ACTIVERFQ
QS3800YQSpecialized ICsThe QS3800YQ is a specialized telecom IC manufactured by Rochester Electronics. Design review should confirm SPI, I2C, UART, CAN bus, USB, or Ethernet interface requirements, signal integrity, package fit, and operating temperature limits, plus genuine factory-marked silicon, original packaging, and full lot/date code traceability. This - component is supplied in a standard package suitable for both prototyping and production builds. Designed for industrial automation, consumer electronics, and telecommunications infrastructure applications, the QS3800YQ is currently in active production through Rochester Electronics's standard distribution channels.6,260 In Stock$0.2259ACTIVERFQ
QS3861YQSignal Switches, MUX & DecodersThe QS3861YQ is a combinational logic IC manufactured by Rochester Electronics. Design review should confirm logic family, I/O voltage, propagation delay, package fit, and operating temperature limits, plus genuine factory-marked silicon, original packaging, and full lot/date code traceability. This - component is supplied in a standard package suitable for both prototyping and production builds. Designed for consumer electronics, industrial control, and telecommunications applications, the QS3861YQ is currently in active production through Rochester Electronics's standard distribution channels.1,314 In Stock$0.2025ACTIVERFQ
QS3B491TFAnalog Switches & MultiplexersThe QS3B491TF is an analog switch/multiplexer manufactured by Rochester Electronics. Design review should confirm ADC or DAC signal-chain requirements, channel count, resolution, supply voltage, and operating temperature limits, plus genuine factory-marked silicon, original packaging, and full lot/date code traceability. This - component is supplied in a standard package suitable for both prototyping and production builds. Designed for instrumentation, medical devices, and audio systems applications, the QS3B491TF is currently in active production through Rochester Electronics's standard distribution channels.1,661 In Stock$2.29ACTIVERFQ
QS3L2384ZQSpecialized ICsThe QS3L2384ZQ is a specialized telecom IC manufactured by Rochester Electronics. Design review should confirm SPI, I2C, UART, CAN bus, USB, or Ethernet interface requirements, signal integrity, package fit, and operating temperature limits, plus genuine factory-marked silicon, original packaging, and full lot/date code traceability. This - component is supplied in a standard package suitable for both prototyping and production builds. Designed for industrial automation, consumer electronics, and telecommunications infrastructure applications, the QS3L2384ZQ is currently in active production through Rochester Electronics's standard distribution channels.6,223 In Stock$0.2259ACTIVERFQ
QS3L2384ZSOSpecialized ICsThe QS3L2384ZSO is a specialized telecom IC manufactured by Rochester Electronics. Design review should confirm SPI, I2C, UART, CAN bus, USB, or Ethernet interface requirements, signal integrity, package fit, and operating temperature limits, plus genuine factory-marked silicon, original packaging, and full lot/date code traceability. This - component is supplied in a standard package suitable for both prototyping and production builds. Designed for industrial automation, consumer electronics, and telecommunications infrastructure applications, the QS3L2384ZSO is currently in active production through Rochester Electronics's standard distribution channels.6,307 In Stock$0.2259ACTIVERFQ
QS3L383PSignal Switches, MUX & DecodersThe QS3L383P is a combinational logic IC manufactured by Rochester Electronics. Design review should confirm logic family, I/O voltage, propagation delay, package fit, and operating temperature limits, plus genuine factory-marked silicon, original packaging, and full lot/date code traceability. This - component is supplied in a standard package suitable for both prototyping and production builds. Designed for consumer electronics, industrial control, and telecommunications applications, the QS3L383P is currently in active production through Rochester Electronics's standard distribution channels.9,213 In Stock$2.25ACTIVERFQ
QS3L383S0Buffers, Drivers, Receivers & TransceiversThe QS3L383S0 is a transceiver IC manufactured by Rochester Electronics. Design review should confirm SPI, I2C, UART, CAN bus, USB, or Ethernet interface requirements, signal integrity, package fit, and operating temperature limits, plus genuine factory-marked silicon, original packaging, and full lot/date code traceability. This - component is supplied in a standard package suitable for both prototyping and production builds. Designed for motor control, LED lighting, and display backlight applications, the QS3L383S0 is currently in active production through Rochester Electronics's standard distribution channels.6,048 In Stock$0.5468ACTIVERFQ

Frequently Asked Questions

Where can I buy Rochester Electronics electronic components?

FPGACenter lists 106,490 Rochester Electronics part numbers with 75,392 currently in stock. Submit an RFQ for availability, lead time, and pricing.

Can I still get obsolete Rochester Electronics parts?

Yes. FPGACenter specializes in sourcing hard-to-find and obsolete components. We have 30,906 end-of-life/obsolete Rochester Electronics part numbers in our database, many available from verified stock or through our global sourcing network.

What types of Rochester Electronics products does FPGACenter carry?

We list Rochester Electronics products across 101 categories including End-of-Life Semiconductors, Obsolete Components, Licensed Manufacturing, Long-Term Supply. Browse our full catalog or contact our sourcing team for any specific Rochester Electronics part number.

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