Hard-to-find, EOL, and shortage parts24h target RFQ responseInspection, traceability, and alternate sourcing
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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 4300 of 5325
Part NumberCategoryDescriptionPackageStockPriceStatus
QS3253PSignal Switches, MUX & DecodersThe QS3253P is a combinational logic 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 QS3253P is no longer produced by Rochester Electronics; FPGACenter maintains verified stock sourced through certified supply chain partners.RFQ for sourcing$1.84OBSOLETERFQ
QS3253S0Analog Switches & MultiplexersThe QS3253S0 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 QS3253S0 is currently in active production through Rochester Electronics's standard distribution channels.4.347 In Stock$1.74ACTIVERFQ
QS3253S1GSignal Switches, MUX & DecodersThe QS3253S1G 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 16-SOIC (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 QS3253S1G is currently in active production through Rochester Electronics's standard distribution channels.16-SOIC (0.154", 3.90mm Width)1.294 In StockRFQACTIVERFQ
QS3253SIMSpecialized ICsThe QS3253SIM 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 QS3253SIM is currently in active production through Rochester Electronics's standard distribution channels.1.310 In StockRFQACTIVERFQ
QS3257S1GSignal Switches, MUX & DecodersThe QS3257S1G 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 16-SOIC (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 QS3257S1G is currently in active production through Rochester Electronics's standard distribution channels.16-SOIC (0.154", 3.90mm Width)18.922 In Stock$0.4625ACTIVERFQ
QS3257XS1Specialized ICsThe QS3257XS1 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 QS3257XS1 is currently in active production through Rochester Electronics's standard distribution channels.15.510 In Stock$0.1217ACTIVERFQ
QS32X2245Q2Signal Switches, MUX & DecodersThe QS32X2245Q2 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 40-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 QS32X2245Q2 is currently in active production through Rochester Electronics's standard distribution channels.40-FSOP (0.154", 3.90mm Width)1.552 In Stock$5.14ACTIVERFQ
QS32X2245YQ2Signal Switches, MUX & DecodersThe QS32X2245YQ2 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 QS32X2245YQ2 is currently in active production through Rochester Electronics's standard distribution channels.1.328 In Stock$0.6873ACTIVERFQ
QS32X2384Q1GSignal Switches, MUX & DecodersThe QS32X2384Q1G 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 48-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 QS32X2384Q1G is currently in active production through Rochester Electronics's standard distribution channels.48-FSOP (0.154", 3.90mm Width)1.517 In Stock$4.62ACTIVERFQ
QS32X2384Q1G8Signal Switches, MUX & DecodersThe QS32X2384Q1G8 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 48-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 QS32X2384Q1G8 is currently in active production through Rochester Electronics's standard distribution channels.48-FSOP (0.154", 3.90mm Width)2.340 In Stock$5.66ACTIVERFQ
QS32X245Q1Specialized ICsThe QS32X245Q1 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 QS32X245Q1 is currently in active production through Rochester Electronics's standard distribution channels.3.540 In Stock$2.99ACTIVERFQ
QS32X245YQ2Signal Switches, MUX & DecodersThe QS32X245YQ2 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 QS32X245YQ2 is currently in active production through Rochester Electronics's standard distribution channels.1.731 In Stock$0.8443ACTIVERFQ
QS32X384YQ1Signal Switches, MUX & DecodersThe QS32X384YQ1 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 QS32X384YQ1 is currently in active production through Rochester Electronics's standard distribution channels.29.545 In Stock$0.7200ACTIVERFQ
QS32X861YQ1Signal Switches, MUX & DecodersThe QS32X861YQ1 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 QS32X861YQ1 is currently in active production through Rochester Electronics's standard distribution channels.1.502 In Stock$0.9750ACTIVERFQ
QS32XL383Q1LSpecialized ICsThe QS32XL383Q1L 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 QS32XL383Q1L is currently in active production through Rochester Electronics's standard distribution channels.4.188 In Stock$1.06ACTIVERFQ
QS32XL384Q1GSignal Switches, MUX & DecodersThe QS32XL384Q1G 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 48-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 QS32XL384Q1G is no longer produced by Rochester Electronics; FPGACenter maintains verified stock sourced through certified supply chain partners.48-FSOP (0.154", 3.90mm Width)RFQ for sourcing$0.5923OBSOLETERFQ
QS32XL384YQ1Signal Switches, MUX & DecodersThe QS32XL384YQ1 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 QS32XL384YQ1 is currently in active production through Rochester Electronics's standard distribution channels.8.125 In Stock$0.5351ACTIVERFQ
QS32XVH2245Z4Q2Buffers, Drivers, Receivers & TransceiversThe QS32XVH2245Z4Q2 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 QS32XVH2245Z4Q2 is currently in active production through Rochester Electronics's standard distribution channels.4.830 In Stock$0.4388ACTIVERFQ
QS32XVH245Z4Q2Signal Switches, MUX & DecodersThe QS32XVH245Z4Q2 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 QS32XVH245Z4Q2 is currently in active production through Rochester Electronics's standard distribution channels.1.740 In Stock$0.6750ACTIVERFQ
QS32XVH384Q1GSignal Switches, MUX & DecodersThe QS32XVH384Q1G 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 48-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 QS32XVH384Q1G is currently in active production through Rochester Electronics's standard distribution channels.48-FSOP (0.154", 3.90mm Width)8.637 In Stock$0.9360ACTIVERFQ

Frequently Asked Questions

Where can I buy Rochester Electronics electronic components?

FPGACenter stocks 106.490 Rochester Electronics part numbers with 75.392 currently in stock. All parts are 100% original with full traceability. No minimum order quantity required. Submit an RFQ for competitive 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 stock 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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