Products

  • Consumer Electronics

    Consumer Electronics

    • Security & Alarms

      Security & Alarms

      • CCTV Equipment

        CCTV Equipment

        • CCTV Cameras
        • CCTV Accessories
        • CCTV Hard Drives
        • IP Servers
        • Wireless Receivers
        • Matched Video Systems
        • UTP Video Balun
        • Processor Equipment
        • DVR - NVR Digital/Network Video Recorders
        • Monitors
      • Alarms

        Alarms

        • Alarm Systems
        • IR Beam Detectors
        • IR Illuminators
        • PIR
        • Alert Systems
        • Sirens
        • Strobe Lights
        • Sound Bombs
        • GSM Controllers
        • GPS Tracker
        • Electric Fence
        • Timer Modules
        • Miscellaneous
      • IDS Alarms
      • TAKEX Products
      • Access Control

        Access Control

        • Remote Controllers
        • Gate Motors
        • Fingerprint Access Control
        • Intercom Systems
        • Video Doorphones
        • Electro Magnetic Locks
        • Door Bells
        • Keypads
      • Uniview IP Surveillance
      • Sunell IP Surveillance
      • bpt Intercom Systems

        bpt Intercom Systems

        • Systems

          Systems

          • b-RED
          • b-VIEW
          • VILLA System
          • MINI Systems
          • MAXI System
          • APARTMENT System
          • LITHOS Kits
          • THANGRAM System
          • GSM Systems
          • Various Other Systems
        • Components

          Components

          • Gate Stations
          • Power Supplies
          • Video Systems
          • Audio Handsets
          • Buttons
          • Components
          • Token Reader
          • Goosenecks
          • Mounting Plates
          • Various
      • INTEGRA Products
      • Paradox Alarms
      • Hikvision Surveillance
      • Ezviz Surveillance
      • BFR Digital Products
      • DSC Alarms
      • Panasonic Surveillance
      • Seagate Hard Drives
      • Western Digital Hard Drives
    • Network Communication

      Network Communication

      • Planet Networking
      • Edimax Products
      • Ubiquity Wireless Networking
      • EnGenius
    • Audio and Video Communication

      Audio and Video Communication

      • ITC Products
      • Antennas
      • Cable Assemblies

        Cable Assemblies

        • RCA
        • 3.5mm
        • 6.3mm
        • DIN
        • SCART
        • Speakon
        • S-Video
        • XLR
        • TV Flyleads
        • Molex Harness
      • Cell Phones
      • Radio Accessories
      • Speakers
      • Telephone Accessories
      • TV Accessories
    • Batteries and Battery Accessories

      Batteries and Battery Accessories

      • Button Cell
      • Coin Cell
      • Zinc Chloride
      • Alkaline
      • Lithium
      • Ni-CD Rechargeable
      • Ni-MH Rechargeable
      • Miscellaneous
      • Lead Acid Rechargeable
      • Calcium Rechargeable
      • Battery Accessories
    • Computer Peripherals

      Computer Peripherals

      • Computer Connectors
      • Computer Cables Assemblies

        Computer Cables Assemblies

        • D-Sub
        • D-Sub High Density
        • HDMI
        • DVI
        • Fire Wire (IEEE 1394)
        • DIN
        • Modular RJ45
        • Sata
        • IDC
        • USB
        • VGA
        • Various
        • Accessories
      • Computer Adaptors

        Computer Adaptors

        • Others
        • Keyboard Adaptors
        • Port Adaptors
        • Null Modem Adptors
        • Gender Changer
        • RJ45 Adaptor
        • USB Adaptors
        • Adaptor Accessories
        • HDMI Adaptors
        • Computer Adapters (Function Group)

          Computer Adapters (Function Group)

          • DIN 5pin
          • mini DIN 6 pin
          • DE9 pin
          • DA15 pin
          • DB25 pin
          • HDA15 pin
          • USB A
          • USB B
          • RJ45
      • Hard Drives
      • Mouse
      • Keyboard
      • Computer Accessories
      • Speakers
      • USB Accessories
    • Brother Labelling Solutions

      Brother Labelling Solutions

      • Brother Labelling Machines
      • Brother Labelling Machines Consumables
      • Brother Labelling Machines Accessories
    • Electrical

      Electrical

      • Clearline Electronic Protection
      • VETi Switches and Sockets

        VETi Switches and Sockets

        • VETi Modules
        • VETi Cover Frames
        • VETi Complete Units
        • VETi Accessories
    • Electro-Chemicals

      Electro-Chemicals

      • Adhesives
      • Cleaners and Solvents
      • Lubricantion & Protection
      • Electric-Thermal Conduction
      • Lacquers
      • Anti Corrosion
      • Speciality Products
      • Chemicals
    • Kits

      Kits

      • Smart Kits
      • Velleman Kits
      • DIY Kits
      • Kemo Kits
      • Maxtronix Kits
      • Various Kits
      • CEM / CEK
      • Kits (By Function)

        Kits (By Function)

        • Alarms / Detectors / Security
        • Audio / Amplifiers etc.
        • Cars and Bikes
        • Computer / Interface / Programmers
        • Instruments / Measuring etc.
        • Inverters
        • Light Effects & Control
        • Miscellaneous
        • Motor Control / Speed
        • Power Supplies & Chargers
        • Project Lab
        • Radio
        • Robotics
        • Sound Kits & Effects
        • Telephone
        • Temperature
        • Timers / Controllers / Sensors
        • Transmitters / Receivers / Remote
        • TV / Video
    • Static Control - Shielding

      Static Control - Shielding

      • Antistatic Wrist Straps
      • Grounding Cord System
      • Antistatic Work Mats
      • Other Anti-Static Products
    • Storage Cases

      Storage Cases

      • Interlocking Storage Boxes
      • Utility Storage Boxes
      • Organizers
      • Modular Drawers
      • Storage Bins
      • Other Cases
    • Tool Boxes
    • Power Supplies

      Power Supplies

      • Voltronic Power Inverters
      • Inverter VP MKS Series
      • Power Supplies
      • PCB Power Supply Units
      • Power Adaptors
      • Battery Chargers
      • Battery Testers
      • Power Inverters
      • DC ~ DC Converters
      • UPS
      • Voltage Stabilizers
      • Generators
      • Solar Power

        Solar Power

        • Solar Cells
        • Solar Panels
        • Solar Regulators
  • Cables and Accessories

    Cables and Accessories

    • Audio Connector Cables
    • Coaxial Cables
    • Loud Speaker Cables
    • Microphone Cables
    • Data Cables
    • Screened Cable
    • Ripcord
    • UTP / FTP
    • Comm's
    • Cabtyre
    • Panel Wire
    • Hookup Cable
    • Flat Ribbon Cable
    • Telephone
    • Wire Wrap Wire
    • Enamelled Copper Wire
    • Various Cables
    • Cable Accessories

      Cable Accessories

      • Fibre Glass Sleeving
      • Heat Shrink Sleeves
      • Cable Glands
      • Cable Markers
  • Electro-Mechanical Components

    Electro-Mechanical Components

    • Connectors

      Connectors

      • Audio Connectors

        Audio Connectors

        • Din Connectors
        • Audio Plugs & Sockets
        • XLR
        • Microphone
        • RCA
        • Speaker Connectors
        • DC Power
        • Binding Posts
        • Adaptors
        • Others
      • Circular Connectors

        Circular Connectors

        • NR Series
        • CA / CM Series
        • MIL Spec
        • E-Series
        • EN3 Series
        • Din Connectors
        • Appliances
        • SpliT Profibus
        • Industrial
      • Interface Connectors

        Interface Connectors

        • Centronic
        • D-Sub
        • Crimp Contacts
        • DIN 41617 & 41612
        • Molex Housing
        • RJ Connectors
        • USB Connectors
        • Industrial
      • PCB Connectors

        PCB Connectors

        • DIN41612
        • Pin Headers
        • PCB Sockets
        • Box Headers
        • Latched Headers
        • IDC
        • IC Sockets
        • ZIF Sockets
        • PLCCs
        • Pin Grid Arrays
        • SIMMs
        • Crimp Wafers / Housings
        • Terminal Blocks
        • Sockets for TOs
      • Power Connectors

        Power Connectors

        • Cable Connectors
        • Accessories
        • Power Inlets & Outlets
        • Miscellaneous
      • R F Coaxial Connectors

        R F Coaxial Connectors

        • BNC
        • TNC
        • Mini UHF
        • UHF
        • N-series
        • F-type
        • TWINAX
        • SMA - SMB Series
        • MCX - MMCX Series
      • Rectangular Connectors

        Rectangular Connectors

        • Self Assembly Cable Sockets
        • Accessories
        • Cable Sockets with Electronic Inserts
        • Electronic Inserts
        • Industrial Appliance
      • Binder
    • Enclosures

      Enclosures

      • Multipurpose
      • Plastic
      • Metal
      • Diecast Alluminium
      • Rolec
      • Industrial
      • Other Types

        Other Types

        • Top Cover Style
        • Pocket Type
        • Heavy Duty
        • Utility
        • Hand Held
        • Front Panel Type
        • Instrument Case
        • Pult Style
        • Sloping Console Type
        • RF Type
        • Simplex Type
        • Miscellaneous
      • Accessories
    • Fans - Motors and Accessories

      Fans - Motors and Accessories

      • Fans
      • Fan Motors
      • Accessories
    • Fasteners Hardware

      Fasteners Hardware

      • Cable Lugs

        Cable Lugs

        • Ring Terminals
        • Pin Terminals
        • Butt Connectors
        • Bullet
        • Flat Blade Terminals
        • Fork Terminals
        • Disconnects
        • Faston Spade
        • Spade
        • Boot Lace Ferrules
        • Pre Packed Lugs
      • Electronic Hardware

        Electronic Hardware

        • PC Boards
        • Spacers and Supports
        • Grommets
        • Rubber Feet
        • Screws and Nuts
        • Cable Ties and Clamps
        • Heatsink Insulators and Bushes
        • Miscellaneous
    • Heatsinks

      Heatsinks

      • Finger Shaped
      • U-Shaped
      • Extruded
      • Special Type
    • Lamps - Indicators

      Lamps - Indicators

      • Lamps
      • Lamp Accessories
      • Indicator Lights
      • LED Flood Lights
      • Other Lights
    • Panel Meters and Accessories

      Panel Meters and Accessories

      • Analog Panel Meters

        Analog Panel Meters

        • Single Range
        • Double Range
        • Student Desk
        • Shunts
      • Digital Panel Meters
      • Accessories

        Accessories

        • Switch Knobs
        • Other Accessories
    • Relays

      Relays

      • Reed
      • Telecom
      • Power
      • Stepper
      • Automotive
      • Time-Delay
      • Stepper
      • Solid State
      • Relay Sockets
    • Switches

      Switches

      • Reed
      • Tactile
      • Push Button
      • Toggle
      • Slide
      • SIL - DIL
      • Rocker
      • Rotary
      • Code BCD - HEX
      • Other Types

        Other Types

        • Joysticks
        • Key Switches
        • Micro
        • Foot - Control
        • Keypads
        • Selector Switches
      • Switch Accessories
    • Industrial Automation
  • Passive Components

    Passive Components

    • Buzzers

      Buzzers

      • Magnetic
      • Piezo
      • Mechanical
      • Magnetic Transducers
      • Piezo Transducers
      • Panel Buzzers
    • Capacitors

      Capacitors

      • Multilayer Ceramic Chip Capacitors

        Multilayer Ceramic Chip Capacitors

        • 0402
        • 0603
        • 0805
        • 1206
        • 1210
        • 1812
      • Multilayer Ceramic Capacitors

        Multilayer Ceramic Capacitors

        • COG / NPO
        • X7R
        • Y5V
        • Z5U
        • CK05 / 06 Ceramic Moulded
      • Film Capacitors

        Film Capacitors

        • Polyester
        • Polycarbonate
        • Polypropylene
        • Polystyrene
        • Lacquer
      • Tantalum Capacitors

        Tantalum Capacitors

        • Chip (SMD)
        • Resin Dipped
        • Moulded
        • Hermetically Sealed
      • Trimmer Chip Capacitors
      • Electrolytic Capacitors

        Electrolytic Capacitors

        • General Purpose [Radial]
        • Non-Polar [Radial]
        • Low Impedence [Radial]
        • General Purpose [Axial]
        • Snap-In Terminal
        • SMD
      • Supercapacitors
    • Crystals

      Crystals

      • Std Quartz
      • Low Profile
      • SMD Quartz
      • Quartz Crystal Clock Oscillator
    • Filters

      Filters

      • IEC Filter
      • EMC Filter
      • EMI
      • "EMIFIL"
      • Ceramic
      • RFI Suppresion
      • Combi Type
      • Line
      • Mains
    • Fuses - Circuit Protection

      Fuses - Circuit Protection

      • Glass Fuses
      • Ceramic Fuses
      • Thermal Components
      • SMD Fuses
      • Micro Fuses
      • Pico Fuses
      • Automotive Fuses
      • Fluke Fuses
      • Fuse Holders
      • Gas Arrestors
      • Poly Switches
      • Circuit Breakers
    • Inductors

      Inductors

      • Chip Inductors
      • Choke Inductors
      • Ring Core Inductors
    • Resistors

      Resistors

      • Film Resistors

        Film Resistors

        • Chip [SMD]

          Chip [SMD]

          • 0402
          • 0603
          • 0805
          • 1206
          • 2512
        • Carbon Film

          Carbon Film

          • 1/8 Watt
          • 1/4 Watt
          • 1/2 Watt
          • 1 Watt
          • 2 Watt
        • Metal Film

          Metal Film

          • 1/8 Watt
          • 1/4 Watt
          • 1/2 Watt
          • 1 Watt
          • 2 Watt
          • 5 Watt
      • Resistor Networks

        Resistor Networks

        • SIL
        • DIL
      • Rheostats

        Rheostats

        • 25 Watt
        • 50 Watt
        • 100 Watt
      • Rotary Control Potentiometers

        Rotary Control Potentiometers

        • Single Turn

          Single Turn

          • Model MCA14
          • Linear Pot
          • Model : 249
          • Model : RV6NAYSD
          • Model : 357
          • Wire Wound
        • Multi Turn

          Multi Turn

          • Model : 534
      • Thermistors
      • Trimmer Potentiometers

        Trimmer Potentiometers

        • SMD

          SMD

          • Model : 4G
        • Single Turn

          Single Turn

          • Model : 75
          • Model : CT6
          • Model : 63
          • Model : CE9
          • Model : CA9
          • Model : CA14
        • Multi Turn

          Multi Turn

          • Model : 3006P
          • Model : 3296
          • Model : 43
          • Model : 74
          • Model : POT3107
          • Model : 64
          • Model : POT3106
      • Wire Wound Resistors

        Wire Wound Resistors

        • KNP

          KNP

          • 3 Watt
          • 5 Watt
        • Cement

          Cement

          • CRL
          • CRM
          • CRYA
          • CRYB
        • Aluminium Housed

          Aluminium Housed

          • 5 Watt
          • 10 Watt
          • 25 Watt
          • 50 Watt
          • 100 Watt
      • ZOV (MOV)
    • Resonators

      Resonators

      • Ceramic
      • SMD Ceramic
    • Sensors - Transducers
    • Transformers

      Transformers

      • Standard
      • PCB
      • Torroidal
      • Pulse
      • Audio Line
      • Line Output
  • Internet of Things (IOT) Related Products

    Internet of Things (IOT) Related Products

    • Arduino
    • RFduino
    • DFRobot
    • DAGU
    • Sparkfun
    • Itead Studio
    • Picaxe
    • Raspberry Pi
    • Adafruit
    • Embest - element14
    • pcDuino
    • More Platforms
    • 3D Printing

      3D Printing

      • MakerBot
    • Project Boards
    • Training Systems
    • OpenBeam
  • Semiconductors

    Semiconductors

    • Discrete Semiconductors

      Discrete Semiconductors

      • Diodes

        Diodes

        • Small Signal
        • Schottky
        • Rectifier
        • Zener Diodes
        • TVS
        • DIACs
        • Bridge Rectifiers
      • Transistors
      • Thyristors

        Thyristors

        • SCRs
        • Triacs
    • IC - Voltage Regulators
    • Integrated Circuits
    • Opto-Electronic Components

      Opto-Electronic Components

      • Opto Couplers
      • LED Displays

        LED Displays

        • Numeric
        • Alphanumeric
        • Dot Matrix
      • LCD Modules

        LCD Modules

        • 16 Character
        • 20 Character
        • 24 Character
      • LCD Panels
      • SMD LED Lamps
      • LED Flexible Strip 12VDC

        LED Flexible Strip 12VDC

        • Non-Waterproof

          Non-Waterproof

          • SMD 2835 LED
          • SMD 3528 LED

            SMD 3528 LED

            • 60 LED / m
            • 96 LED / m
            • 120 LED / m
          • SMD 5050 LED

            SMD 5050 LED

            • 60 LED / m
        • Waterproof

          Waterproof

          • SMD 2835 LED
          • SMD 3528 LED

            SMD 3528 LED

            • 60 LED / m
            • 120 LED / m
          • SMD 5050 LED

            SMD 5050 LED

            • 60 LED / m
      • LED Flexible Strip 240V Mains

        LED Flexible Strip 240V Mains

        • SMD 5050 30 LED / m
        • SMD 5050 60 LED / m
      • LED Modules
      • LED Strip Accessories
      • Light Bars
      • Bar Graph Arrays
      • LED Lamps

        LED Lamps

        • Round

          Round

          • Standard
          • Super Bright
          • Bi-Colour
          • Multi-Full Colour
          • Blinking
          • Low Current
        • Cylindrical
        • Concave
        • Flat Top
        • Rectangular
        • Square
        • Solid State Dome
        • Size 1.9mm
        • Size 3mm
        • Size 5mm
        • Size 8mm
        • Size 10mm
      • Clusters and Housed LED's
      • LED Accessories
      • Z-Power LED
      • IR Emitting Diodes
      • Sensors
      • Slotted Optical Switches
      • Fiber Optic Receivers
  • Test and Measurement

    Test and Measurement

    • Test and Measurement Instruments

      Test and Measurement Instruments

      • UNI-T Instruments
      • Major Tech Instruments
      • Toptronics Instruments
      • Fluke Instruments
      • Frequency Counters
      • Multimeters

        Multimeters

        • Digital Multimeters
        • Accessories
        • Analog Multimeters
      • Oscilloscopes
      • Special Function Testers

        Special Function Testers

        • Digital Clamp Meters
        • Clamp Adaptors
        • Temperature Meters
        • Programmable Timer
        • Cable Tester
        • Counterfiet Money Detector
        • 7617 Eprom Equipment
        • Miscellaneous Testers
      • Waveform Generators
    • Test and Measurement Leads & Acc.

      Test and Measurement Leads & Acc.

      • Test Leads
      • Test Lead Sets
      • Test Lead Kits
      • Clamp type Test Probes
      • Test Probes
      • I.C.Test Clips
      • Cable Tester
      • Test Lead Cable Stand
      • Plugs
      • Sockets
      • Crocodile Clips
  • Tools and Production Equipment

    Tools and Production Equipment

    • Proskit Tools
    • Stanley Tools
    • Hanlong Tools
    • Fibre Optics
    • Power Tools
    • Bench Tools

      Bench Tools

      • Magnification and Lamps
      • Helping Hands
    • Hand Tools

      Hand Tools

      • Screw Drivers and Alignment Tools
      • Pliers
      • Cutters and Strippers
      • Crimping Tools
      • Installation Tools
      • Production Tools
      • Impact Tools
      • Tweezers
      • Miscellaneous
    • Soldering Tools and Accessories

      Soldering Tools and Accessories

      • Soldering Stations
      • Desoldering Stations
      • Hot Air Stations
      • Soldering Irons
      • Gas Powered Soldering Irons
      • Desoldering Pumps
      • Desoldering Guns
      • Soldering Tips
      • Desolder Nozzles
      • Heating Elements
      • Solder Aid Tool Kits
      • Soldering Accessories
      • Soldering Consumables
    • Tool Cases
    • Tool Kits
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MN1500B2 (Exact Match)
MN1500* (Suffix with * to Match Partially)
MN1500B2~ (Suffix with ~ to Match Similar)
2.2uf 3.3uf 50v smd tantalum capacitor (Match Any)
digital AND multimeter (Match Both)
"SD Card" (Enclose with " for Exact Phrase Match)
7"" Monitor (Use " twice to search for 7" Monitor)
rocker switches NOT red (Insert NOT for Exclusions)
NOT (analog OR digital) fluke (Not Analog, Not Digital, but Fluke products)
If searching for *, ~, AND or OR, please enclose them in double-quotes. Make sure to close any open double-quotes. Try u for µ and R for Ω.
Click on for More Details
012 657 3500
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  3. Integrated Circuits
IC [74LS21]

IC

IC

74LS21
IC
3.85 ZAR
inc
for 1 Each
1156 in Stock
Add
Specifications, Prices & Availability may change without notice. Images are for illustration purposes only. E&OE
About Us

Communica is a wholesale and retail distributor of semiconductors, electromechanical and passive electronic components for automotive, electronics, electrical, automation, mining and process control industries and technical and tertiary educational institutions. We also offer a large range of security and CCTV equipment, power supplies, test instruments and accessories, tools and production equipment, prototyping platforms, and hobby and educational products.

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