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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

✅ Why Source Rochester Electronics from FPGACenter

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

Page 4307 of 5325
Part NumberCategoryDescriptionPackageStockPriceStatus
QS54FCT2241ATDBBuffers, Drivers, Receivers & TransceiversThe QS54FCT2241ATDB is a transceiver IC manufactured by Rochester Electronics. Technical highlights include 5V supply voltage and -55°C ~ 125°C operating temperature; design review should confirm SPI, I2C, UART, CAN bus, USB, or Ethernet interface requirements, signal integrity, package fit, and operating temperature limits. This Through Hole component is supplied in a standard package and is rated for operation across -55°C ~ 125°C. Designed for motor control, LED lighting, and display backlight applications, the QS54FCT2241ATDB is no longer produced by Rochester Electronics; FPGACenter maintains verified stock sourced through certified supply chain partners.RFQ for sourcing$15.40OBSOLETERFQ
QS54FCT2244ATLBuffers, Drivers, Receivers & TransceiversThe QS54FCT2244ATL 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 QS54FCT2244ATL is currently in active production through Rochester Electronics's standard distribution channels.1,727 In Stock$5.56ACTIVERFQ
QS54FCT2244ATSOBuffers, Drivers, Receivers & TransceiversThe QS54FCT2244ATSO 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 QS54FCT2244ATSO is currently in active production through Rochester Electronics's standard distribution channels.1,565 In Stock$0.6859ACTIVERFQ
QS54FCT2244CTHBBuffers, Drivers, Receivers & TransceiversThe QS54FCT2244CTHB 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 QS54FCT2244CTHB is currently in active production through Rochester Electronics's standard distribution channels.1,528 In Stock$10.38ACTIVERFQ
QS54FCT2244TSOBuffers, Drivers, Receivers & TransceiversThe QS54FCT2244TSO 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 QS54FCT2244TSO is currently in active production through Rochester Electronics's standard distribution channels.3,024 In Stock$0.7313ACTIVERFQ
QS54FCT2244ZQATQBuffers, Drivers, Receivers & TransceiversThe QS54FCT2244ZQATQ 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 QS54FCT2244ZQATQ is currently in active production through Rochester Electronics's standard distribution channels.1,708 In Stock$6.41ACTIVERFQ
QS54FCT2245CTQBuffers, Drivers, Receivers & TransceiversThe QS54FCT2245CTQ is a transceiver IC manufactured by Rochester Electronics. Technical highlights include 5V supply voltage and -55°C ~ 125°C operating temperature; design review should confirm SPI, I2C, UART, CAN bus, USB, or Ethernet interface requirements, signal integrity, package fit, and operating temperature limits. This Surface Mount component is supplied in a standard package and is rated for operation across -55°C ~ 125°C. Designed for motor control, LED lighting, and display backlight applications, the QS54FCT2245CTQ is no longer produced by Rochester Electronics; FPGACenter maintains verified stock sourced through certified supply chain partners.RFQ for sourcing$0.8971OBSOLETERFQ
QS54FCT2245TQDrivers, Receivers & TransceiversThe QS54FCT2245TQ 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 QS54FCT2245TQ is currently in active production through Rochester Electronics's standard distribution channels.1,648 In Stock$1.40ACTIVERFQ
QS54FCT2245TSODrivers, Receivers & TransceiversThe QS54FCT2245TSO 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 QS54FCT2245TSO is currently in active production through Rochester Electronics's standard distribution channels.1,793 In Stock$0.8919ACTIVERFQ
QS54FCT2257ATSOSignal Switches, MUX & DecodersThe QS54FCT2257ATSO 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 QS54FCT2257ATSO is currently in active production through Rochester Electronics's standard distribution channels.1,897 In Stock$1.18ACTIVERFQ
QS54FCT2257CTQSignal Switches, MUX & DecodersThe QS54FCT2257CTQ 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 QS54FCT2257CTQ is currently in active production through Rochester Electronics's standard distribution channels.3,024 In Stock$2.43ACTIVERFQ
QS54FCT2373CTPBuffers, Drivers, Receivers & TransceiversThe QS54FCT2373CTP 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 QS54FCT2373CTP is currently in active production through Rochester Electronics's standard distribution channels.1,806 In Stock$2.37ACTIVERFQ
QS54FCT2374ATDBBuffers, Drivers, Receivers & TransceiversThe QS54FCT2374ATDB is a transceiver IC manufactured by Rochester Electronics. Technical highlights include 5V supply voltage and -55°C ~ 125°C operating temperature; design review should confirm SPI, I2C, UART, CAN bus, USB, or Ethernet interface requirements, signal integrity, package fit, and operating temperature limits. This Through Hole component is supplied in a standard package and is rated for operation across -55°C ~ 125°C. Designed for motor control, LED lighting, and display backlight applications, the QS54FCT2374ATDB is no longer produced by Rochester Electronics; FPGACenter maintains verified stock sourced through certified supply chain partners.RFQ for sourcing$15.52OBSOLETERFQ
QS54FCT2374ATHBBuffers, Drivers, Receivers & TransceiversThe QS54FCT2374ATHB 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 QS54FCT2374ATHB is currently in active production through Rochester Electronics's standard distribution channels.5,028 In Stock$6.01ACTIVERFQ
QS54FCT2374TDBBuffers, Drivers, Receivers & TransceiversThe QS54FCT2374TDB 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 QS54FCT2374TDB is currently in active production through Rochester Electronics's standard distribution channels.1,950 In Stock$10.35ACTIVERFQ
QS54FCT240ATHBBuffers, Drivers, Receivers & TransceiversThe QS54FCT240ATHB 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 QS54FCT240ATHB is currently in active production through Rochester Electronics's standard distribution channels.13,062 In Stock$6.36ACTIVERFQ
QS54FCT244ATDBBuffers, Drivers, Receivers & TransceiversThe QS54FCT244ATDB is a transceiver IC manufactured by Rochester Electronics. Technical highlights include 5V supply voltage and -55°C ~ 125°C operating temperature; design review should confirm SPI, I2C, UART, CAN bus, USB, or Ethernet interface requirements, signal integrity, package fit, and operating temperature limits. This Through Hole component is supplied in a standard package and is rated for operation across -55°C ~ 125°C. Designed for motor control, LED lighting, and display backlight applications, the QS54FCT244ATDB is no longer produced by Rochester Electronics; FPGACenter maintains verified stock sourced through certified supply chain partners.RFQ for sourcing$15.40OBSOLETERFQ
QS54FCT244TLBuffers, Drivers, Receivers & TransceiversThe QS54FCT244TL 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 QS54FCT244TL is currently in active production through Rochester Electronics's standard distribution channels.1,693 In Stock$9.11ACTIVERFQ
QS54FCT244TQBuffers, Drivers, Receivers & TransceiversThe QS54FCT244TQ 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 QS54FCT244TQ is currently in active production through Rochester Electronics's standard distribution channels.1,508 In Stock$2.62ACTIVERFQ
QS54FCT245ATDBBuffers, Drivers, Receivers & TransceiversThe QS54FCT245ATDB is a transceiver IC manufactured by Rochester Electronics. Technical highlights include 5V supply voltage and -55°C ~ 125°C operating temperature; design review should confirm SPI, I2C, UART, CAN bus, USB, or Ethernet interface requirements, signal integrity, package fit, and operating temperature limits. This Through Hole component is supplied in a standard package and is rated for operation across -55°C ~ 125°C. Designed for motor control, LED lighting, and display backlight applications, the QS54FCT245ATDB is no longer produced by Rochester Electronics; FPGACenter maintains verified stock sourced through certified supply chain partners.RFQ for sourcing$15.52OBSOLETERFQ

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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