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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

Page 4207 of 5325
Part NumberCategoryDescriptionPackageStockPriceStatus
PCA9547PW118Specialized ICsThe PCA9547PW118 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 PCA9547PW118 is currently in active production through Rochester Electronics's standard distribution channels.2,265 In StockRFQACTIVERFQ
PCA9548AD,112Specialized ICsThe PCA9548AD,112 is a specialized telecom IC manufactured by Rochester Electronics. Technical highlights include 2.3V ~ 3.6V, 4.5V ~ 5.5V supply voltage and I²C, SMBus interface; 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 24-SOIC (0.295", 7.50mm Width) package suitable for both prototyping and production builds. Designed for industrial automation, consumer electronics, and telecommunications infrastructure applications, the PCA9548AD,112 is no longer produced by Rochester Electronics; FPGACenter maintains verified stock sourced through certified supply chain partners.24-SOIC (0.295", 7.50mm Width)RFQ for sourcing$0.7508OBSOLETERFQ
PCA9548ADBSpecialized ICsThe PCA9548ADB is a specialized telecom IC manufactured by Rochester Electronics. Technical highlights include 2.3V ~ 5.5V supply voltage and I²C, SMBus interface; 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 24-SSOP (0.209", 5.30mm Width) package suitable for both prototyping and production builds. Designed for industrial automation, consumer electronics, and telecommunications infrastructure applications, the PCA9548ADB is currently in active production through Rochester Electronics's standard distribution channels.24-SSOP (0.209", 5.30mm Width)18,455 In Stock$0.9000ACTIVERFQ
PCA9548ADWSpecialized ICsThe PCA9548ADW is a specialized telecom IC manufactured by Rochester Electronics. Technical highlights include 2.3V ~ 5.5V supply voltage and I²C, SMBus interface; 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 24-SOIC (0.295", 7.50mm Width) package suitable for both prototyping and production builds. Designed for industrial automation, consumer electronics, and telecommunications infrastructure applications, the PCA9548ADW is currently in active production through Rochester Electronics's standard distribution channels.24-SOIC (0.295", 7.50mm Width)15,647 In Stock$1.82ACTIVERFQ
PCA9548APWSpecialized ICsThe PCA9548APW is a specialized telecom IC manufactured by Rochester Electronics. Technical highlights include 2.3V ~ 5.5V supply voltage and I²C, SMBus interface; 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 24-TSSOP (0.173", 4.40mm Width) package suitable for both prototyping and production builds. Designed for industrial automation, consumer electronics, and telecommunications infrastructure applications, the PCA9548APW is no longer produced by Rochester Electronics; FPGACenter maintains verified stock sourced through certified supply chain partners.24-TSSOP (0.173", 4.40mm Width)RFQ for sourcing$0.3902OBSOLETERFQ
PCA9548APW,112Specialized ICsThe PCA9548APW,112 is a specialized telecom IC manufactured by Rochester Electronics. Technical highlights include 2.3V ~ 3.6V, 4.5V ~ 5.5V supply voltage and I²C, SMBus interface; 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 24-TSSOP (0.173", 4.40mm Width) package suitable for both prototyping and production builds. Designed for industrial automation, consumer electronics, and telecommunications infrastructure applications, the PCA9548APW,112 is no longer produced by Rochester Electronics; FPGACenter maintains verified stock sourced through certified supply chain partners.24-TSSOP (0.173", 4.40mm Width)RFQ for sourcing$0.8084OBSOLETERFQ
PCA9550D,112LED DriversThe PCA9550D,112 is an LED driver IC manufactured by Rochester Electronics. Technical highlights include -40°C ~ 85°C (TA) operating temperature; design review should confirm drive current, MOSFET or LED load compatibility, input voltage, package fit, and operating temperature limits. This Surface Mount component is supplied in a 8-SOIC (0.154", 3.90mm Width) package and is rated for operation across -40°C ~ 85°C (TA). Designed for motor control, LED lighting, and display backlight applications, the PCA9550D,112 is no longer produced by Rochester Electronics; FPGACenter maintains verified stock sourced through certified supply chain partners.8-SOIC (0.154", 3.90mm Width)RFQ for sourcingRFQOBSOLETERFQ
PCA9551D,112LED DriversThe PCA9551D,112 is an LED driver IC manufactured by Rochester Electronics. Technical highlights include -40°C ~ 85°C (TA) operating temperature; design review should confirm drive current, MOSFET or LED load compatibility, input voltage, 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 (TA). Designed for motor control, LED lighting, and display backlight applications, the PCA9551D,112 is no longer produced by Rochester Electronics; FPGACenter maintains verified stock sourced through certified supply chain partners.16-SOIC (0.154", 3.90mm Width)RFQ for sourcing$2.04OBSOLETERFQ
PCA9551PW,112LED DriversThe PCA9551PW,112 is an LED driver IC manufactured by Rochester Electronics. Technical highlights include -40°C ~ 85°C (TA) operating temperature; design review should confirm drive current, MOSFET or LED load compatibility, input voltage, package fit, and operating temperature limits. This Surface Mount component is supplied in a 16-TSSOP (0.173", 4.40mm Width) package and is rated for operation across -40°C ~ 85°C (TA). Designed for motor control, LED lighting, and display backlight applications, the PCA9551PW,112 is no longer produced by Rochester Electronics; FPGACenter maintains verified stock sourced through certified supply chain partners.16-TSSOP (0.173", 4.40mm Width)RFQ for sourcing$1.12OBSOLETERFQ
PCA9552D,112LED DriversThe PCA9552D,112 is an LED driver IC manufactured by Rochester Electronics. Technical highlights include -40°C ~ 85°C (TA) operating temperature; design review should confirm drive current, MOSFET or LED load compatibility, input voltage, package fit, and operating temperature limits. This Surface Mount component is supplied in a 24-SOIC (0.295", 7.50mm Width) package and is rated for operation across -40°C ~ 85°C (TA). Designed for motor control, LED lighting, and display backlight applications, the PCA9552D,112 is no longer produced by Rochester Electronics; FPGACenter maintains verified stock sourced through certified supply chain partners.24-SOIC (0.295", 7.50mm Width)RFQ for sourcing$1.41OBSOLETERFQ
PCA9552PW112LED DriversThe PCA9552PW112 is an LED driver IC manufactured by Rochester Electronics. Design review should confirm drive current, MOSFET or LED load compatibility, input voltage, 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 PCA9552PW112 is currently in active production through Rochester Electronics's standard distribution channels.2,071 In StockRFQACTIVERFQ
PCA9553D/01,112LED DriversThe PCA9553D/01,112 is an LED driver IC manufactured by Rochester Electronics. Technical highlights include -40°C ~ 85°C (TA) operating temperature; design review should confirm drive current, MOSFET or LED load compatibility, input voltage, package fit, and operating temperature limits. This Surface Mount component is supplied in a 8-SOIC (0.154", 3.90mm Width) package and is rated for operation across -40°C ~ 85°C (TA). Designed for motor control, LED lighting, and display backlight applications, the PCA9553D/01,112 is no longer produced by Rochester Electronics; FPGACenter maintains verified stock sourced through certified supply chain partners.8-SOIC (0.154", 3.90mm Width)RFQ for sourcing$1.10OBSOLETERFQ
PCA9554AD,112I/O ExpandersThe PCA9554AD,112 is a bus interface IC manufactured by Rochester Electronics. Key technical specifications include 2.3V ~ 5.5V supply voltage, -40°C ~ 85°C operating temperature, and I²C, SMBus interface; design review should also confirm SPI, I2C, UART, CAN bus, USB, or Ethernet interface requirements, signal integrity, and package fit. This Surface Mount component is supplied in a 16-SOIC (0.295", 7.50mm Width) package and is rated for operation across -40°C ~ 85°C. Designed for networking equipment, industrial automation, and telecommunications applications, the PCA9554AD,112 is no longer produced by Rochester Electronics; FPGACenter maintains verified stock sourced through certified supply chain partners.16-SOIC (0.295", 7.50mm Width)RFQ for sourcing$0.7847OBSOLETERFQ
PCA9554ADBI/O ExpandersThe PCA9554ADB is a bus interface IC manufactured by Rochester Electronics. Key technical specifications include 2.3V ~ 5.5V supply voltage, -40°C ~ 85°C operating temperature, and I²C, SMBus interface; design review should also confirm SPI, I2C, UART, CAN bus, USB, or Ethernet interface requirements, signal integrity, and package fit. This Surface Mount component is supplied in a 16-SSOP (0.209", 5.30mm Width) package and is rated for operation across -40°C ~ 85°C. Designed for networking equipment, industrial automation, and telecommunications applications, the PCA9554ADB is currently in active production through Rochester Electronics's standard distribution channels.16-SSOP (0.209", 5.30mm Width)1,520 In Stock$15.59ACTIVERFQ
PCA9554ADB,112I/O ExpandersThe PCA9554ADB,112 is a bus interface IC manufactured by Rochester Electronics. Key technical specifications include 2.3V ~ 5.5V supply voltage, -40°C ~ 85°C operating temperature, and I²C, SMBus interface; design review should also confirm SPI, I2C, UART, CAN bus, USB, or Ethernet interface requirements, signal integrity, and package fit. This Surface Mount component is supplied in a 16-SSOP (0.209", 5.30mm Width) package and is rated for operation across -40°C ~ 85°C. Designed for networking equipment, industrial automation, and telecommunications applications, the PCA9554ADB,112 is no longer produced by Rochester Electronics; FPGACenter maintains verified stock sourced through certified supply chain partners.16-SSOP (0.209", 5.30mm Width)RFQ for sourcing$0.4402OBSOLETERFQ
PCA9554APW,112I/O ExpandersThe PCA9554APW,112 is a bus interface IC manufactured by Rochester Electronics. Key technical specifications include 2.3V ~ 5.5V supply voltage, -40°C ~ 85°C operating temperature, and I²C, SMBus interface; design review should also confirm SPI, I2C, UART, CAN bus, USB, or Ethernet interface requirements, signal integrity, and package fit. This Surface Mount component is supplied in a 16-TSSOP (0.173", 4.40mm Width) package and is rated for operation across -40°C ~ 85°C. Designed for networking equipment, industrial automation, and telecommunications applications, the PCA9554APW,112 is no longer produced by Rochester Electronics; FPGACenter maintains verified stock sourced through certified supply chain partners.16-TSSOP (0.173", 4.40mm Width)RFQ for sourcing$0.5327OBSOLETERFQ
PCA9554ATS,112I/O ExpandersThe PCA9554ATS,112 is a bus interface IC manufactured by Rochester Electronics. Key technical specifications include 2.3V ~ 5.5V supply voltage, -40°C ~ 85°C operating temperature, and I²C, SMBus interface; design review should also confirm SPI, I2C, UART, CAN bus, USB, or Ethernet interface requirements, signal integrity, and package fit. This Surface Mount component is supplied in a 20-LSSOP (0.173", 4.40mm Width) package and is rated for operation across -40°C ~ 85°C. Designed for networking equipment, industrial automation, and telecommunications applications, the PCA9554ATS,112 is no longer produced by Rochester Electronics; FPGACenter maintains verified stock sourced through certified supply chain partners.20-LSSOP (0.173", 4.40mm Width)RFQ for sourcingRFQOBSOLETERFQ
PCA9554CPW118Specialized ICsThe PCA9554CPW118 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 PCA9554CPW118 is currently in active production through Rochester Electronics's standard distribution channels.1,348 In StockRFQACTIVERFQ
PCA9554DI/O ExpandersThe PCA9554D is a bus interface 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 networking equipment, industrial automation, and telecommunications applications, the PCA9554D is currently in active production through Rochester Electronics's standard distribution channels.44,396 In Stock$0.4455ACTIVERFQ
PCA9554D,112I/O ExpandersThe PCA9554D,112 is a bus interface IC manufactured by Rochester Electronics. Key technical specifications include 2.3V ~ 5.5V supply voltage, -40°C ~ 85°C operating temperature, and I²C, SMBus interface; design review should also confirm SPI, I2C, UART, CAN bus, USB, or Ethernet interface requirements, signal integrity, and package fit. This Surface Mount component is supplied in a 16-SOIC (0.295", 7.50mm Width) package and is rated for operation across -40°C ~ 85°C. Designed for networking equipment, industrial automation, and telecommunications applications, the PCA9554D,112 is no longer produced by Rochester Electronics; FPGACenter maintains verified stock sourced through certified supply chain partners.16-SOIC (0.295", 7.50mm Width)RFQ for sourcingRFQOBSOLETERFQ

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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