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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

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Part NumberCategoryDescriptionPackageStockPriceStatus
HC55184ECMZTelecom ICsThe HC55184ECMZ is a specialized telecom IC manufactured by Rochester Electronics. Key technical specifications include 5V supply voltage, 0°C ~ 70°C operating temperature, and 2-Wire 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 28-LCC (J-Lead) package and is rated for operation across 0°C ~ 70°C. Designed for industrial automation, consumer electronics, and telecommunications infrastructure applications, the HC55184ECMZ is currently in active production through Rochester Electronics's standard distribution channels.28-LCC (J-Lead)1.963 In Stock$6.99ACTIVERFQ
HC55184ECMZ96Telecom ICsThe HC55184ECMZ96 is a specialized telecom IC manufactured by Rochester Electronics. Key technical specifications include 5V supply voltage, 0°C ~ 70°C operating temperature, and 2-Wire 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 28-LCC (J-Lead) package and is rated for operation across 0°C ~ 70°C. Designed for industrial automation, consumer electronics, and telecommunications infrastructure applications, the HC55184ECMZ96 is no longer produced by Rochester Electronics; FPGACenter maintains verified stock sourced through certified supply chain partners.28-LCC (J-Lead)RFQ for sourcing$0.4410OBSOLETERFQ
HC55185AIMTelecom ICsThe HC55185AIM is a specialized telecom IC manufactured by Rochester Electronics. Technical highlights include -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 28-LCC (J-Lead) package and is rated for operation across -40°C ~ 85°C. Designed for industrial automation, consumer electronics, and telecommunications infrastructure applications, the HC55185AIM is no longer produced by Rochester Electronics; FPGACenter maintains verified stock sourced through certified supply chain partners.28-LCC (J-Lead)RFQ for sourcing$12.30OBSOLETERFQ
HC55185BIM96Telecom ICsThe HC55185BIM96 is a specialized telecom IC manufactured by Rochester Electronics. Technical highlights include -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 28-LCC (J-Lead) package and is rated for operation across -40°C ~ 85°C. Designed for industrial automation, consumer electronics, and telecommunications infrastructure applications, the HC55185BIM96 is no longer produced by Rochester Electronics; FPGACenter maintains verified stock sourced through certified supply chain partners.28-LCC (J-Lead)RFQ for sourcing$1.42OBSOLETERFQ
HC55185BIMZ96Telecom ICsThe HC55185BIMZ96 is a specialized telecom IC manufactured by Rochester Electronics. Technical highlights include -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 28-LCC (J-Lead) package and is rated for operation across -40°C ~ 85°C. Designed for industrial automation, consumer electronics, and telecommunications infrastructure applications, the HC55185BIMZ96 is no longer produced by Rochester Electronics; FPGACenter maintains verified stock sourced through certified supply chain partners.28-LCC (J-Lead)RFQ for sourcing$6.53OBSOLETERFQ
HC55185CIMTelecom ICsThe HC55185CIM is a specialized telecom IC manufactured by Rochester Electronics. Technical highlights include -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 28-LCC (J-Lead) package and is rated for operation across -40°C ~ 85°C. Designed for industrial automation, consumer electronics, and telecommunications infrastructure applications, the HC55185CIM is no longer produced by Rochester Electronics; FPGACenter maintains verified stock sourced through certified supply chain partners.28-LCC (J-Lead)RFQ for sourcing$0.4410OBSOLETERFQ
HC55185DIMTelecom ICsThe HC55185DIM is a specialized telecom IC manufactured by Rochester Electronics. Technical highlights include -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 28-LCC (J-Lead) package and is rated for operation across -40°C ~ 85°C. Designed for industrial automation, consumer electronics, and telecommunications infrastructure applications, the HC55185DIM is no longer produced by Rochester Electronics; FPGACenter maintains verified stock sourced through certified supply chain partners.28-LCC (J-Lead)RFQ for sourcing$8.28OBSOLETERFQ
HC55185DIM96S2601Telecom ICsThe HC55185DIM96S2601 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 HC55185DIM96S2601 is currently in active production through Rochester Electronics's standard distribution channels.29.038 In Stock$2.65ACTIVERFQ
HC55185ECMR4854Telecom ICsThe HC55185ECMR4854 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 HC55185ECMR4854 is currently in active production through Rochester Electronics's standard distribution channels.4.086 In Stock$1.95ACTIVERFQ
HC55185ECRTelecom ICsThe HC55185ECR is a specialized telecom IC manufactured by Rochester Electronics. Technical highlights include 0°C ~ 75°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 32-VQFN Exposed Pad package and is rated for operation across 0°C ~ 75°C. Designed for industrial automation, consumer electronics, and telecommunications infrastructure applications, the HC55185ECR is no longer produced by Rochester Electronics; FPGACenter maintains verified stock sourced through certified supply chain partners.32-VQFN Exposed PadRFQ for sourcing$2.82OBSOLETERFQ
HC55185ECRZTelecom ICsThe HC55185ECRZ is a specialized telecom IC manufactured by Rochester Electronics. Technical highlights include 0°C ~ 75°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 32-VQFN Exposed Pad package and is rated for operation across 0°C ~ 75°C. Designed for industrial automation, consumer electronics, and telecommunications infrastructure applications, the HC55185ECRZ is no longer produced by Rochester Electronics; FPGACenter maintains verified stock sourced through certified supply chain partners.32-VQFN Exposed PadRFQ for sourcing$22.50OBSOLETERFQ
HC55185FCMTelecom ICsThe HC55185FCM is a specialized telecom IC manufactured by Rochester Electronics. Technical highlights include 0°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 28-LCC (J-Lead) package and is rated for operation across 0°C ~ 85°C. Designed for industrial automation, consumer electronics, and telecommunications infrastructure applications, the HC55185FCM is no longer produced by Rochester Electronics; FPGACenter maintains verified stock sourced through certified supply chain partners.28-LCC (J-Lead)RFQ for sourcing$2.15OBSOLETERFQ
HC55185FCMZTelecom ICsThe HC55185FCMZ is a specialized telecom IC manufactured by Rochester Electronics. Technical highlights include 0°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 28-LCC (J-Lead) package and is rated for operation across 0°C ~ 85°C. Designed for industrial automation, consumer electronics, and telecommunications infrastructure applications, the HC55185FCMZ is no longer produced by Rochester Electronics; FPGACenter maintains verified stock sourced through certified supply chain partners.28-LCC (J-Lead)RFQ for sourcing$4.92OBSOLETERFQ
HC55185FCMZ96Telecom ICsThe HC55185FCMZ96 is a specialized telecom IC manufactured by Rochester Electronics. Technical highlights include 0°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 28-LCC (J-Lead) package and is rated for operation across 0°C ~ 85°C. Designed for industrial automation, consumer electronics, and telecommunications infrastructure applications, the HC55185FCMZ96 is no longer produced by Rochester Electronics; FPGACenter maintains verified stock sourced through certified supply chain partners.28-LCC (J-Lead)RFQ for sourcing$6.22OBSOLETERFQ
HC55185FCRTelecom ICsThe HC55185FCR is a specialized telecom IC manufactured by Rochester Electronics. Technical highlights include 0°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 32-VQFN Exposed Pad package and is rated for operation across 0°C ~ 85°C. Designed for industrial automation, consumer electronics, and telecommunications infrastructure applications, the HC55185FCR is no longer produced by Rochester Electronics; FPGACenter maintains verified stock sourced through certified supply chain partners.32-VQFN Exposed PadRFQ for sourcing$2.29OBSOLETERFQ
HC55185FCRZTelecom ICsThe HC55185FCRZ is a specialized telecom IC manufactured by Rochester Electronics. Technical highlights include 0°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 32-VQFN Exposed Pad package and is rated for operation across 0°C ~ 85°C. Designed for industrial automation, consumer electronics, and telecommunications infrastructure applications, the HC55185FCRZ is no longer produced by Rochester Electronics; FPGACenter maintains verified stock sourced through certified supply chain partners.32-VQFN Exposed PadRFQ for sourcing$57.88OBSOLETERFQ
HC55185GCMTelecom ICsThe HC55185GCM is a specialized telecom IC manufactured by Rochester Electronics. Technical highlights include 0°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 28-LCC (J-Lead) package and is rated for operation across 0°C ~ 85°C. Designed for industrial automation, consumer electronics, and telecommunications infrastructure applications, the HC55185GCM is no longer produced by Rochester Electronics; FPGACenter maintains verified stock sourced through certified supply chain partners.28-LCC (J-Lead)RFQ for sourcing$6.13OBSOLETERFQ
HC55185GCRZTelecom ICsThe HC55185GCRZ is a specialized telecom IC manufactured by Rochester Electronics. Technical highlights include 0°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 32-VQFN Exposed Pad package and is rated for operation across 0°C ~ 85°C. Designed for industrial automation, consumer electronics, and telecommunications infrastructure applications, the HC55185GCRZ is no longer produced by Rochester Electronics; FPGACenter maintains verified stock sourced through certified supply chain partners.32-VQFN Exposed PadRFQ for sourcing$0.9000OBSOLETERFQ
HC55185GIMTelecom ICsThe HC55185GIM is a specialized telecom IC manufactured by Rochester Electronics. Technical highlights include -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 28-LCC (J-Lead) package and is rated for operation across -40°C ~ 85°C. Designed for industrial automation, consumer electronics, and telecommunications infrastructure applications, the HC55185GIM is no longer produced by Rochester Electronics; FPGACenter maintains verified stock sourced through certified supply chain partners.28-LCC (J-Lead)RFQ for sourcing$15.18OBSOLETERFQ
HC5520CQTelecom ICsThe HC5520CQ is a specialized telecom IC manufactured by Rochester Electronics. Key technical specifications include ±4.75V ~ 5.25V supply voltage, 0°C ~ 70°C operating temperature, and 2-Wire, 4-Wire 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 44-QFP package and is rated for operation across 0°C ~ 70°C. Designed for industrial automation, consumer electronics, and telecommunications infrastructure applications, the HC5520CQ is no longer produced by Rochester Electronics; FPGACenter maintains verified stock sourced through certified supply chain partners.44-QFPRFQ for sourcing$0.7117OBSOLETERFQ

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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