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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 4205 of 5325
Part NumberCategoryDescriptionPackageStockPriceStatus
PCA9535CPW118Specialized ICsThe PCA9535CPW118 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 PCA9535CPW118 is currently in active production through Rochester Electronics's standard distribution channels.7,249 In Stock$1.30ACTIVERFQ
PCA9535DBI/O ExpandersThe PCA9535DB 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 24-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 PCA9535DB is currently in active production through Rochester Electronics's standard distribution channels.24-SSOP (0.209", 5.30mm Width)31,834 In Stock$1.20ACTIVERFQ
PCA9535DWI/O ExpandersThe PCA9535DW 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 24-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 PCA9535DW is currently in active production through Rochester Electronics's standard distribution channels.24-SOIC (0.295", 7.50mm Width)10,834 In Stock$1.53ACTIVERFQ
PCA9535PWI/O ExpandersThe PCA9535PW 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 24-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 PCA9535PW is currently in active production through Rochester Electronics's standard distribution channels.24-TSSOP (0.173", 4.40mm Width)1,752 In Stock$8.86ACTIVERFQ
PCA9536D,112I/O ExpandersThe PCA9536D,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 8-SOIC (0.154", 3.90mm Width) package and is rated for operation across -40°C ~ 85°C. Designed for networking equipment, industrial automation, and telecommunications applications, the PCA9536D,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$8.20OBSOLETERFQ
PCA9536D118Specialized ICsThe PCA9536D118 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 PCA9536D118 is currently in active production through Rochester Electronics's standard distribution channels.16,001 In Stock$0.7128ACTIVERFQ
PCA9536DG4I/O ExpandersThe PCA9536DG4 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 8-SOIC (0.154", 3.90mm Width) package and is rated for operation across -40°C ~ 85°C. Designed for networking equipment, industrial automation, and telecommunications applications, the PCA9536DG4 is in last-time-buy phase; available quantities are limited, and FPGACenter accepts lifetime-supply orders.8-SOIC (0.154", 3.90mm Width)1,605 In Stock$0.9180LTBRFQ
PCA9538ABS,128I/O ExpandersThe PCA9538ABS,128 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 PCA9538ABS,128 is currently in active production through Rochester Electronics's standard distribution channels.26,400 In Stock$0.6300ACTIVERFQ
PCA9538PW,112I/O ExpandersThe PCA9538PW,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 PCA9538PW,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$0.4897OBSOLETERFQ
PCA9538PWG4I/O ExpandersThe PCA9538PWG4 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 PCA9538PWG4 is currently in active production through Rochester Electronics's standard distribution channels.16-TSSOP (0.173", 4.40mm Width)1,665 In StockRFQACTIVERFQ
PCA9539APWSpecialized ICsThe PCA9539APW 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 PCA9539APW is currently in active production through Rochester Electronics's standard distribution channels.737 In StockRFQACTIVERFQ
PCA9539APW118Specialized ICsThe PCA9539APW118 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 PCA9539APW118 is currently in active production through Rochester Electronics's standard distribution channels.7,645 In Stock$2.02ACTIVERFQ
PCA9539D,118I/O ExpandersThe PCA9539D,118 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 24-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 PCA9539D,118 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$2.78OBSOLETERFQ
PCA9539DBI/O ExpandersThe PCA9539DB 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 24-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 PCA9539DB is currently in active production through Rochester Electronics's standard distribution channels.24-SSOP (0.209", 5.30mm Width)1,708 In Stock$2.81ACTIVERFQ
PCA9539DWI/O ExpandersThe PCA9539DW 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 24-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 PCA9539DW is currently in active production through Rochester Electronics's standard distribution channels.24-SOIC (0.295", 7.50mm Width)15,750 In Stock$1.67ACTIVERFQ
PCA9539PWI/O ExpandersThe PCA9539PW 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 24-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 PCA9539PW is currently in active production through Rochester Electronics's standard distribution channels.24-TSSOP (0.173", 4.40mm Width)14,400 In Stock$1.13ACTIVERFQ
PCA9539PW,112I/O ExpandersThe PCA9539PW,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 24-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 PCA9539PW,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$9.14OBSOLETERFQ
PCA9540BD,112Specialized ICsThe PCA9540BD,112 is a specialized telecom IC manufactured by Rochester Electronics. Technical highlights include 2.3V ~ 5.5V supply voltage and I²C 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 8-SOIC (0.154", 3.90mm Width) package suitable for both prototyping and production builds. Designed for industrial automation, consumer electronics, and telecommunications infrastructure applications, the PCA9540BD,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$0.7134OBSOLETERFQ
PCA9541APW/01,112Specialized ICsThe PCA9541APW/01,112 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 16-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 PCA9541APW/01,112 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$1.33OBSOLETERFQ
PCA9541APW/03/112Analog Switches & MultiplexersThe PCA9541APW/03/112 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 PCA9541APW/03/112 is currently in active production through Rochester Electronics's standard distribution channels.44,964 In Stock$0.7969ACTIVERFQ

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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