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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 4298 of 5325
Part NumberCategoryDescriptionPackageStockPriceStatus
QS29FCT2521CTSOShift RegistersThe QS29FCT2521CTSO is a shift register 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 QS29FCT2521CTSO is currently in active production through Rochester Electronics's standard distribution channels.1,666 In Stock$3.66ACTIVERFQ
QS29FCT520ATPShift RegistersThe QS29FCT520ATP is a shift register IC manufactured by Rochester Electronics. Technical highlights include 5V supply voltage and 0°C ~ 70°C operating temperature; design review should confirm logic family, I/O voltage, propagation delay, package fit, and operating temperature limits. This Through Hole component is supplied in a standard package and is rated for operation across 0°C ~ 70°C. Designed for consumer electronics, industrial control, and telecommunications applications, the QS29FCT520ATP is no longer produced by Rochester Electronics; FPGACenter maintains verified stock sourced through certified supply chain partners.RFQ for sourcing$2.02OBSOLETERFQ
QS29FCT520ATZShift RegistersThe QS29FCT520ATZ is a shift register 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 QS29FCT520ATZ is currently in active production through Rochester Electronics's standard distribution channels.1,609 In Stock$4.51ACTIVERFQ
QS29FCT520BTPShift RegistersThe QS29FCT520BTP is a shift register 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 QS29FCT520BTP is currently in active production through Rochester Electronics's standard distribution channels.1,801 In Stock$2.53ACTIVERFQ
QS29FCT520BTSOShift RegistersThe QS29FCT520BTSO is a shift register 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 QS29FCT520BTSO is currently in active production through Rochester Electronics's standard distribution channels.3,510 In Stock$3.00ACTIVERFQ
QS29FCT520BTZShift RegistersThe QS29FCT520BTZ is a shift register 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 QS29FCT520BTZ is currently in active production through Rochester Electronics's standard distribution channels.1,867 In Stock$5.73ACTIVERFQ
QS29FCT520CTS0XShift RegistersThe QS29FCT520CTS0X is a shift register 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 QS29FCT520CTS0X is currently in active production through Rochester Electronics's standard distribution channels.8,400 In Stock$3.79ACTIVERFQ
QS29FCT520CTSOXShift RegistersThe QS29FCT520CTSOX is a shift register 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 QS29FCT520CTSOX is currently in active production through Rochester Electronics's standard distribution channels.11,976 In Stock$4.74ACTIVERFQ
QS29FCT521ATQShift RegistersThe QS29FCT521ATQ is a shift register 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 QS29FCT521ATQ is currently in active production through Rochester Electronics's standard distribution channels.11,130 In Stock$2.75ACTIVERFQ
QS29FCT521BTSOShift RegistersThe QS29FCT521BTSO is a shift register IC manufactured by Rochester Electronics. Technical highlights include 5V supply voltage and 0°C ~ 70°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 standard package and is rated for operation across 0°C ~ 70°C. Designed for consumer electronics, industrial control, and telecommunications applications, the QS29FCT521BTSO is no longer produced by Rochester Electronics; FPGACenter maintains verified stock sourced through certified supply chain partners.RFQ for sourcing$3.56OBSOLETERFQ
QS29FCT52ATPBuffers, Drivers, Receivers & TransceiversThe QS29FCT52ATP is a transceiver IC manufactured by Rochester Electronics. Technical highlights include 5V supply voltage and -40°C ~ 85°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 -40°C ~ 85°C. Designed for motor control, LED lighting, and display backlight applications, the QS29FCT52ATP is no longer produced by Rochester Electronics; FPGACenter maintains verified stock sourced through certified supply chain partners.RFQ for sourcing$1.32OBSOLETERFQ
QS29FCT52ATS0Specialized ICsThe QS29FCT52ATS0 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 QS29FCT52ATS0 is currently in active production through Rochester Electronics's standard distribution channels.1,655 In Stock$8.59ACTIVERFQ
QS29FCT52ATSOBuffers, Drivers, Receivers & TransceiversThe QS29FCT52ATSO is a transceiver IC manufactured by Rochester Electronics. Technical highlights include 5V supply voltage and -40°C ~ 85°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 -40°C ~ 85°C. Designed for motor control, LED lighting, and display backlight applications, the QS29FCT52ATSO is no longer produced by Rochester Electronics; FPGACenter maintains verified stock sourced through certified supply chain partners.RFQ for sourcingRFQOBSOLETERFQ
QS29FCT52ATZDrivers, Receivers & TransceiversThe QS29FCT52ATZ 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 QS29FCT52ATZ is currently in active production through Rochester Electronics's standard distribution channels.5,451 In Stock$3.22ACTIVERFQ
QS29FCT52BTSODrivers, Receivers & TransceiversThe QS29FCT52BTSO 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 QS29FCT52BTSO is currently in active production through Rochester Electronics's standard distribution channels.1,665 In Stock$9.72ACTIVERFQ
QS29FCT52CTHBDrivers, Receivers & TransceiversThe QS29FCT52CTHB 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 QS29FCT52CTHB is currently in active production through Rochester Electronics's standard distribution channels.1,635 In Stock$26.41ACTIVERFQ
QS29FCT52CTS0Buffers, Drivers, Receivers & TransceiversThe QS29FCT52CTS0 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 QS29FCT52CTS0 is currently in active production through Rochester Electronics's standard distribution channels.9,021 In Stock$1.33ACTIVERFQ
QS29FCT52CTZDrivers, Receivers & TransceiversThe QS29FCT52CTZ 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 QS29FCT52CTZ is currently in active production through Rochester Electronics's standard distribution channels.6,279 In Stock$7.40ACTIVERFQ
QS29FCT53ATQDrivers, Receivers & TransceiversThe QS29FCT53ATQ 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 QS29FCT53ATQ is currently in active production through Rochester Electronics's standard distribution channels.3,612 In Stock$2.49ACTIVERFQ
QS29FCT53ATSODrivers, Receivers & TransceiversThe QS29FCT53ATSO 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 QS29FCT53ATSO is currently in active production through Rochester Electronics's standard distribution channels.3,972 In Stock$0.9899ACTIVERFQ

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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