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Products
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Featured Products
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IT infrastructure
- Hard Drives
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- IT infrastructure Memory
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- Server
- Switch
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- Storage Machines
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- HOT - SALES and EOL Components
- Hard To Find
- END - OF - LIFE
- Electronic Wholesale
- 88E series
- Maxim Series
- TPS series
- STM series
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IT infrastructure
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Integrated Circuits (ICs)
- Integrated Circuits (ICs) Kits
- Memory
- Audio Special Purpose
- Specialized ICs
- Clock/Timing
- Data Acquisition
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Embedded
- Embedded - CPLDs (Complex Programmable Logic Devices)
- Embedded - DSP (Digital Signal Processors)
- Embedded - FPGAs (Field Programmable Gate Array)
- Embedded - Microcontrollers
- Embedded - Microcontrollers - Application Specific
- Embedded - Microprocessors
- Embedded - PLDs (Programmable Logic Device)
- Embedded - System On Chip (SoC)
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Interface
- Interface - Analog Switches - Special Purpose
- Interface - Analog Switches, Multiplexers, Demultiplexers
- Interface - CODECs
- Interface - Controllers
- Interface - Drivers, Receivers, Transceivers
- Interface - Encoders, Decoders, Converters
- Interface - Filters - Active
- Interface - I/O Expanders
- Interface - Modems - ICs and Modules
- Interface - Sensor and Detector Interfaces
- Interface - Serializers, Deserializers
- Interface - Signal Buffers, Repeaters, Splitters
- Interface - Signal Terminators
- Interface - Specialized
- Interface - Telecom
- Interface - UARTs (Universal Asynchronous Receiver Transmitter)
- Interface - Voice Record and Playback
- Interface - Sensor, Capacitive Touch
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- Linear
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Logic
- Logic - Buffers, Drivers, Receivers, Transceivers
- Logic - Comparators
- Logic - Counters, Dividers
- Logic - FIFOs Memory
- Logic - Flip Flops
- Logic - Gates and Inverters
- Logic - Latches
- Logic - Multivibrators
- Logic - Parity Generators and Checkers
- Logic - Shift Registers
- Logic - Signal Switches, Multiplexers, Decoders
- Logic - Specialty Logic
- Logic - Translators, Level Shifters
- Logic - Universal Bus Functions
- Logic - Gates and Inverters - Multi - Function, Configurable
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PMIC
- PMIC - AC DC Converters, Offline Switchers
- PMIC - Battery Chargers
- PMIC - Battery Management
- PMIC - Current Regulation/Management
- PMIC - Display Drivers
- PMIC - Energy Metering
- PMIC - Full, Half - Bridge Drivers
- PMIC - Gate Drivers
- PMIC - Hot Swap Controllers
- PMIC - Laser Drivers
- PMIC - LED Drivers
- PMIC - Lighting, Ballast Controllers
- PMIC - Motor Drivers, Controllers
- PMIC - OR Controllers, Ideal Diodes
- PMIC - PFC (Power Factor Correction)
- PMIC - Power Distribution Switches, Load Drivers
- PMIC - Power Management - Specialized
- PMIC - Power Over Ethernet (PoE) Controllers
- PMIC - Power Supply Controllers, Monitors
- PMIC - RMS to DC Converters
- PMIC - Supervisors
- PMIC - Thermal Management
- PMIC - V/F and F/V Converters
- PMIC - Voltage Reference
- PMIC - Voltage Regulators - DC DC Switching Controllers
- PMIC - Voltage Regulators - DC DC Switching Regulators
- PMIC - Voltage Regulators - Linear
- PMIC - Voltage Regulators - Linear Regulator Controllers
- PMIC - Voltage Regulators - Linear + Switching
- PMIC - Voltage Regulators - Special Purpose
- PMIC - Voltage Regulators - Linear, Low Drop Out (LDO) Regulators
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Discrete Semiconductor Products
- Current Regulation - Diodes, Transistors
- IGBTs - Arrays
- Thyristors—SCRs
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- Diodes - Zener - Single
- Diodes, Rectifiers - Arrays
- Diodes, Rectifiers - Single
- FETs - Arrays
- FETs - Single
- IGBTs - Modules
- IGBTs - Single
- JFETs (Junction Field Effect)
- Power Drivers - Modules
- RFFETs
- SCRs - Single - Modules
- SCRs - Single
- Triacs
- Variable Capacitance Diodes (Varicaps, Varactors)
- RF Diodes
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TRANSISTORS
- Transistors – FETs, MOSFETs – Single
- Transistors - FETs, MOSFETs Arrays
- RF Transistors (BJT)
- Transistors - FETs, MOSFETs - RF
- Transistors - Special Purpose
- Transistors (BJT) - Arrays
- Transistors (BJT) - Arrays, Pre - Biased
- Transistors (BJT) - Single
- Transistors (BJT) - Single, Pre - Biased
- Darlington Transistor
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- Memory Cards, Modules
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Sensors, Transducers
- Sensor Interface Junction Blocks
- Sensors, Transducers -Magnets Sensor -Matched Magnets
- Sensors, Transducers -Position Sensors- Angle, Linear Position Measuring
- Sensor Cable Assemblies
- Capacitive Touch Sensors, Proximity Sensor ICs
- Current Transducers
- Encoders
- Image Sensors, Camera
- IrDA Transceiver Modules
- Moisture Sensors, Humidity
- Position Sensors - Angle, Linear Position Measuring
- Pressure Sensors, Transducers
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Optical Sensors
- Optical Sensors - Ambient Light, IR, UV Sensors
- Optical Sensors - Photo Detectors - Remote Receiver
- Optical Sensors - Photodiodes
- Optical Sensors - Photointerrupters - Slot Type - Logic Output
- Optical Sensors - Photointerrupters - Slot Type - Transistor Output
- Optical Sensors - Phototransistors
- Optical Sensors - Reflective - Analog Output
- Optical Sensors - Image Sensors, Camera
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- Motion Sensors
- Temperature Sensors
- Magnetic Sensors
- Proximity Sensors - Industrial
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Optoelectronics
- Fiber Optic Transceiver Modules
- Display Bezels, Lenses
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- LED Emitters - Infrared, UV, Visible
- Ballasts, Inverters
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- Infrared, UV, Visible Emitters
- LED Indication - Discrete
- LEDs - Circuit Board Indicators, Arrays, Light Bars, Bar Graphs
- Optics - LEDs - Light Pipes
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- Display Modules
- LCD, OLED, Graphic
- LED Character and Numeric
- Custom Products
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- Circuit Protection
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Connectors, Interconnects
- AC Power Connectors
- Keystone Connector Accessories
- Card Edge Connector Housings
- Card Edge Connector Contacts
- Headers & Wire Housings
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- USB, DVI, HDMI Connectors —USB, DVI, HDMI Connector Assemblies
- Industrial Controls, Meters——Controllers——Specialty Controllers
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- Rectangular - Board to Board Connectors
- Rectangular Connectors
- Sockets for ICs, Transistors
- Terminal Blocks
- Terminals
- USB, DVI, HDMI Connectors
- Backplane Connectors
- Coaxial Connectors (RF)
- FFC, FPC (FlatFlexible) Connectors
- D - SUB, D - SHAPED connectors
- Terminals - PC Pin Receptacles, Socket Connectors
- Terminals - PC Pin, Single Post Connectors
- Terminals - Quick Connects, Quick Disconnect Connectors
- Terminals - Specialized Connectors
- Terminals - Wire Splice Connectors
- Terminals - Wire to Board Connectors
- FFC, FPC (FlatFlexible) Connector Assemblies
- Heavy Duty Connector Frames
- Heavy Duty Connector Accessories
- Heavy Duty Connector Inserts, Modules
- Modular Connector Jacks
- Modular Connector Jacks With Magnetics
- Modular/Ethernet Connector (RJ45, RJ11) Jacks
- Pluggable Connector Assemblies
- Rectangular - Board to Board Connectors - Arrays, Edge Type, Mezzanine
- Rectangular Connectors - Board In, Direct Wire to Board
- Rectangular Connectors - Free Hanging, Panel Mount
- Rectangular Connectors - Headers, Male Pins
- Rectangular Connectors - Headers, Receptacles, Female Sockets
- Rectangular Connector - Accessories
- Rectangular Connector Contacts
- Rectangular Connector Housings
- Rectangular Connector - Spring Loaded
- Solid State Lighting Connector - Assemblies
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RF/IF and RFID
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- RF Evaluation and Development Kits, Boards
- RF Front End (LNA + PA)
- RF Misc ICs and Modules
- RF Mixers
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- RF Power Dividers/Splitters
- RF Receivers
- RF Switches
- RF Transceiver ICs
- RF Transceiver Modules
- RF Transmitters
- RFID, RF Access, Monitoring ICs
- RF Multiplexers
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- Crystals, Oscillators and Resonators
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Uncategorized
- Audio Products
- Cable Assemblies
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Programmers, Development Systems
- Evaluation Boards - Embedded - Complex Logic (FPGA, CPLD)
- Evaluation Boards
- Evaluation Boards—RF Evaluation and Development Kits, Boards
- Evaluation and Demonstration Boards and Kits
- Evaluation Boards - Analog to Digital Converters (ADCs)
- Evaluation Boards - Audio Amplifiers
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- Evaluation Boards - Embedded - MCU, DSP
- Evaluation Boards - Expansion Boards
- Evaluation Boards - Op Amps
- Evaluation Boards - Sensors
- Evaluation Boards - Linear Voltage Regulators
- Evaluation Boards - RF, RFID, Wireless
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- Switches
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Featured Products
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Manufacturers
- Altera
- Analog Devices Inc.
- Atmel
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- Cypress Semiconductor Corp
- Diodes Incorporated
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- FTDI, Future Technology Devices International Ltd
- Infineon Technologies
- Linear Technology
- Maxim Integrated
- Microchip Technology
- Micron Technology Inc.
- NXP / Nexperia
- ON Semiconductor
- Silicon Labs
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- Texas Instruments
- Allegro MicroSystems, LLC
- Vishay
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Hard To Find from Rohm Semiconductor : 421 - Page 17
Hard To Find electronic components are those that are either obsolete or produced in limited quantities, making them challenging to source. These components are crucial for maintaining and repairing older electronic equipment or completing specialized projects that require specific parts.
Leading suppliers specialize in sourcing and stocking these elusive components, ensuring that engineers and hobbyists can find the parts they need. Whether it's vintage semiconductors, discontinued ICs, or rare passive components, these suppliers provide a vital service to the electronics community.
Acquiring hard-to-find components helps extend the lifespan of existing equipment, reduces e-waste, and supports sustainable practices in electronics manufacturing. Reliable suppliers ensure these parts are authentic and quality-tested, offering peace of mind to their customers.
| Select | Images | Part Number | Mfr | Description | Datasheet | Availability | Price | Qty | RFQ | Rohs | ECAD Model |
|---|---|---|---|---|---|---|---|---|---|---|---|
|
Mfr. Part No. WS Part No. |
Rectifier diode
|
3,030 pieces In Stock |
MOQ: 345 |
|
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|||||
|
Mfr. Part No. WS Part No. |
Medium Power Amp. Epitaxial Planar NPN Silicon Transistors
|
3,020 pieces In Stock |
MOQ: 1 |
|
|
|||||
|
Mfr. Part No. WS Part No. |
Band switching diode
|
3,000 pieces In Stock |
MOQ: 850 |
|
|
|||||
|
Mfr. Part No. WS Part No. |
Switching Diode
|
11,000 pieces In Stock |
MOQ: 1790 |
|
|
|||||
|
Mfr. Part No. WS Part No. |
Medium power transistor (-30V, -1.0A)
|
241,000 pieces In Stock |
MOQ: 55 |
|
|
|||||
|
Mfr. Part No. WS Part No. |
High-frequency Amplifier Transistor(25V, 50mA, 300MHz)
|
52,100 pieces In Stock |
MOQ: 345 |
|
|
|||||
|
Mfr. Part No. WS Part No. |
High-Frequency Amplifier Transistor(11V, 50mA, 3.2GHz)
|
2,330 pieces In Stock |
MOQ: 495 |
|
|
|||||
|
Mfr. Part No. WS Part No. |
General purpose amplification (30V, 1A)
|
3,000 pieces In Stock |
MOQ: 415 |
|
|
|||||
|
Mfr. Part No. WS Part No. |
Power Transistor Arrays
|
35,000 pieces In Stock |
MOQ: 13 |
Need to verify |
|
|||||
|
Mfr. Part No. WS Part No. |
Power Transistor Arrays
|
9,700 pieces In Stock |
MOQ: 8 |
Need to verify |
|
|||||
|
Mfr. Part No. WS Part No. |
High-current gain Power Transistor (-60V, -3A)
|
7,440 pieces In Stock |
MOQ: 430 |
|
|
|||||
|
Mfr. Part No. WS Part No. |
Medium power transistor (50V, 1A)
|
1,980 pieces In Stock |
MOQ: 15 |
Need to verify |
|
|||||
|
Mfr. Part No. WS Part No. |
Transistors High voltage discharge, High speed switching, Low Noise (60V, 1A)
|
7,700 pieces In Stock |
MOQ: 100 |
|
|
|||||
|
Mfr. Part No. WS Part No. |
Power Transistor Arrays
|
8,500 pieces In Stock |
MOQ: 4 |
Need to verify |
|
|||||
|
Mfr. Part No. WS Part No. |
TRANSISTOR NPN DARLINGTON
|
1,800 pieces In Stock |
MOQ: 2 |
|
|
|||||
|
Mfr. Part No. WS Part No. |
Medium Power Transistor (32V, 2A)
|
8,000 pieces In Stock |
MOQ: 23 |
|
|
|||||
|
Mfr. Part No. WS Part No. |
|
12,000 pieces In Stock |
MOQ: 250 |
|
|
|||||
|
Mfr. Part No. WS Part No. |
|
25,799 pieces In Stock |
MOQ: 22 |
|
|
|||||
|
Mfr. Part No. WS Part No. |
|
25,500 pieces In Stock |
MOQ: 100 |
|
|
|||||
|
Mfr. Part No. WS Part No. |
|
35,000 pieces In Stock |
MOQ: 40 |
|
|
