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XL
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Pololu
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6V High-Power (HP)
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Nema 23
Nema 34
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General Purpose 10A-15A
General Purpose 25A-30A
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PCB MTG 1A-2A
PCB MTG 20A-30A
PCB MTG 3A-8A
Reed Relays
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Kits
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3-Position Momentary
Misc
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Toggle Switches
Toggle Switches Heavy Duty GC
Toggle Switches Medium Duty GC
Thermal Printers
Timers
Tubing
Heat Shrink Tubing
Heat Shrink Tubing - Black
Heat Shrink Tubing - Black - 100FT
Heat Shrink Tubing - Blue
Heat Shrink Tubing - Clear
Heat Shrink Tubing - Green
Heat Shrink Tubing - Guns
Heat Shrink Tubing - Kits
Heat Shrink Tubing - Red
Heat Shrink Tubing - White
Heat Shrink Tubing - with Glue
Heat Shrink Tubing - Yellow
Latex Tubing
Polyurethane Tubing
Silicone Tubing
Enclosures/Boxes
Aluminum Boxes
Arduino
BeagleBone
Miscellaneous
Modular Storage Boxes
Plastic Boxes
Project Box with Protoboard
Raspberry Pi
Stanley Boxes
Utility Component Box
Velleman
Hardware
American Hardware Kits
American Hardware- Nickel Plated Flat Washers
American Hardware- Nickel Plated Nuts
American Hardware- Round Phillips Head Screws
American Hardware- Split and Star Lock Washers
Circuit Board Supports
Computer Hardware
Countersunk Screws
DIN Rails
Eagle Keystone
Nuts
Other
Screws
Spacers
Standoffs - F/F
Standoffs - M/F
Standoffs - M/M
Hexagonal Screws
6-32 Socket Head Screws
M2 Screws, Nuts and Washers
M2.6 Screws, Nuts and Washers
M3 Screws, Nuts and Washers
M4 Screws, Nuts and Washers
M5 Screws, Nuts and Washers
M6 Screws, Nuts and Washers
M8 Screws, Nuts and Washers
Lugs
Metric Grub/Set Screws
M4
M6
Metric Hardware Kits
Assortment
Clamps
Inserts
Nuts
Rivets
Screws/ Bolts
Spacers/ Standoffs
Washers
Metric Hardware- Nickel Plated Flat Washers
Metric Hardware- Nuts
Metric Hardware- Round Phillips Head Screws
Metric Hardware- Split and Star Lock Washers
Padding and Insulation
Pan Head Screws - M3
Rubber Feet
Rubber Grommets
Seals and Gaskets
Self Tapping Screws
Set Screws
Snap-In Bushings
Snap-In Hole Plugs
Spacers
Aluminum Spacers
Nylon Spacers
Standoffs
Standoffs - Aluminum F/F
Standoffs - Aluminum M/F
Standoffs - Brass F/F
Standoffs - Brass M/F
Standoffs - Nylon F/F
Standoffs - Nylon M/F
Tap and Die
Tie Mounts
Interconnects
Connectors/ Adapters
Audio Adapters/Jacks/Plugs
Automotive Connectors
Aviation Connectors
BNC Connectors and Adapters
Box Header Connectors
Card Edge Connectors
Centronics Connectors
Connector Housing
D-SUB Connectors
Crimp Pins
D-Sub Connector - High Density (Right Angle)
D-Sub Connectors (Right Angle - PC Mount)
D-Sub Connectors - Crimping Type
D-Sub Connectors - Solder Type
D-Sub Custom Adaptor Housing
D-Sub PC Mount Connectors
D-Sub Tools
Hardware for D-Sub Connectors & Hoods
High Density D-Sub Connectors
Hoods
DC Power Jacks/Plugs
DIN Connectors
F Connectors and Adapters
FAKRA
Fiber Optic
HDMI
Headers
Female
Kits
Male
IDC Connectors
Flat Ribbon IDC Connectors
IDC Card Edge Connectors
IDC Centronics Ribbon Connectors
IDC DIP Flat Cable Plugs
IDC Socket Connectors
IDC Tools
Transition Plugs for Flat Ribbon Cable
JST Connectors
JST-DS
JST-GH
JST-PH
JST-RCY
JST-SH
JST-SM
JST-VH
JST-XH
JST-ZH
Locking Connectors
M12 Connectors
Miscellaneous
Molex Compatible
N Connectors and Adapters
Network Connectors
POGO Pins
Power Connector Housing
.062" Power Connector Housing
.093" Connector Housing
.093" Power Connector Housing
Anderson Power
Combo Packs
Crimp Tools
EC Connectors
Female Sockets
Male Pins
Miscellaneous
XT Connectors
Power Plugs/Jacks
Qwiic
RCA Adapters/Jacks/Plugs
SMA Connectors and Adapters
SMB Connectors
Solar Connectors
Telephone Connectors
TNC Connectors and Adapters
Twinax Connectors and Adapters
UHF Connectors and Adapters
USB
XLR Connectors Adapters
Networking/Telecom
Ethernet RJ45 Terminal Blocks
Modular Adapters/Couplers
Modular Plugs/Jacks
Pneumatic Fittings
HVFF
PE
PG
PK
PU
PV
PY
PZA
Sockets
DIP Header Plugs
Gold Pin Sockets
Machine Tooled Low Profile Sockets
Memory Card Sockets
Miscellaneous
Oscillator Sockets
PGA/PLCC Sockets and Carriers
SIMM Sockets
SIP Sockets
Socket Kits
Standard Tin Low Profile Sockets
Surface Mount to Dip
Transistor Sockets
Wire Wrap ID
Wire Wrap Sockets
ZIF Sockets
Terminals/Blocks/Barrier
Barrier Strips
Solderless Terminals
Bullet Sockets
Bullet Terminals Male
Butt Type Terminals
Close End-White Color Covering
Female Plugs - 0.187" Series
Female Plugs - 0.250" Series
Flag Disconnect
Flanged Block Spades - Vinyl Insulated
Flat Socket with Branch Terminals
Fully Insulated Quick Connect Female Terminals
Fully Insulated Quick Connect Male Terminals
Hook Stud Insulated
Insulated Solderless Ring Type, 12-10AWG
Insulated Solderless Ring Type, 16-14AWG
Insulated Solderless Ring Type, 22-16AWG
Insulated Solderless Spade Type, 16-14AWG
Insulated Solderless Spade Type, 22-16AWG
Male Plugs - 0.250" Series
Non-Insulated Quick Connect Female Terminals
Non-Insulated Quick Connect Male Terminals
Non-Insulated Solderless Ring Type
Non-Insulated Solderless Spade Type
Spade Terminals, 12-10AWG
Speaker Terminals
Splice Connectors
Spring Terminals
Terminal Blocks
15 AMP Dual Row Terminal Blocks, 600V
25 AMP Dual Row Terminal Blocks, 600V
30 AMP Dual Row Terminal Blocks, 300V
30 AMP Dual Row Terminal Blocks, 600V
30 AMP Single Row Terminal Blocks 300V
75 AMP Dual Row Terminal Blocks
DePluggable PC Mount Male Header Sockets
Din Rail Terminal Blocks
Heavy Duty 30 AMP Dual Row Terminal Blocks
Horizontal Female DePluggable Terminal Blocks
Screw Terminal Blocks
Screw Terminal Blocks Stackable
Terminal Block Jumpers
Vertical Female DePluggable Terminal Blocks
Twist On Wire Nut Connectors
Wire Ferrules
Opto/Illumination
4N Series
6N Series
Bargraph Displays
EINK/ EPAPER
1.02"-2.2"
2.3"-4.3"
4.4"-13.3"
Driver Boards
Electroluminescent Wire
Flash Tubes
Household/Commercial Lighting
Infrared Optics
Lamps
LED Cluster Lamps S.B.
Bayonet DC G6
Bayonet DC S8
Bayonet Pilot Lamps
Bayonet Screw G3 1/2 Lamps
Bayonet Screw G4 1/2 Lamps
Flashlight Bulbs B3 1/2
Lamp Sockets, Boards
Lamps With Leads
LED Bulbs T1
LED Bulbs T3 1/4
LED Bulbs T5 Wedge Base
LED Lamps S.B. 120V AC/DC T3 1/4 (10mm) Bayonet
LED Lamps T3 1/4 (10mm) Bayonet
LED Lamps T3 1/4 (10mm) Screw
LED Lamps T3 1/4 (10mm) Super Bright Bayonet
Screw Pilot Lamps
Specialty Lamps
T1 3/4 Bulb Lamps
Lasers
LCDs & Displays
Accessories
Character
Graphic TFT
LCD/AMOLED/OLED/IPS Displays
0.7"-2.4"
15.7 plus
2.8"- 4.3"
5"-15.6"
QLED Displays
Retina
LED Controllers/Dimmers/Sensors
LED Displays - Other
LED Displays - Segmented
LED Dotstar
LED Filament
LED Indicators
LED Indicators-10mm
LED Indicators-12-13mm
LED Indicators-16mm
LED Indicators-19mm
LED Indicators-22mm
LED Indicators-30mm
LED Indicators-6-7mm
LED Indicators-8mm
Miscellaneous
LED Kits
LED Matrix
LED Mounting Hardware
LED Pixels
Boards
Drivers
NEOPIXEL LEDs
Strips
LED Rings
LED Strings Fairy
LED Strip Connectors/Cables
LED Strips
12V
24V
5V
COB
10 Watts
15 Watts
2 Watts
20-30 Watts
3 Watts
5 Watts
50 Watts
70 Watts
Miscellaneous
Plant Growing LEDs
LEDs - SMD
0603
0805
1206
1210
5050
5730
Misc
Wired
LEDs - SMD Module 1W-100W
LEDs - Vehicle
LEDs- Bare
10MM LEDs
3MM(T1) LEDs
5MM(T13/4) LEDs
5MM(T13/4) LEDs-12V
Bi-Color/Tri-Color LEDs
Cycling RGB
Flashing LEDs
LEDs with Heat Sinks
Other
Rectangular LEDs
Super Bright LEDs
LEDs- With Wire
MOC Series
Optocouplers/Optoisolators
Photocells
Photoluminescent Panels
Slotted Optical Switches
TIL Series
Passive Components
Capacitors
Capacitor Kits
Capacitor Substitution Box
Ceramic Disc Capacitors
Ceramic Monolithic Capacitors-Axial
Ceramic Monolithic Capacitors-Radial
CK05 Capacitors Series
Electrolytic Capacitors- Axial
Electrolytic Capacitors-Axial-High Voltage
Electrolytic Capacitors-Radial
Electrolytic Capacitors-Radial-High Voltage
Electrolytic Capacitors-Radial-Non Polar
Metal Film Poly Box Capacitors
Metallized Film Capacitors-Axial
Metallized Film Capacitors-Radial
Mica Silver Capacitors
Miscellaneous
Super Capacitors
Surface Mount Capacitors
Tantalum Capacitors-Radial Dipped
Trimmer Capacitors
Chokes/Coils/Inductors
Toroid Inductors
Bobbins
Epoxy Coated Axial Chokes-Micro 434-21 Series
Epoxy Coated Axial Chokes-Miniature 434-22 Series
Epoxy Coated Axial Chokes-Miniature 43LS Series
Epoxy Coated Axial Chokes-Small 434-23 Series
Ferrite Core
Fixed Inductors
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3386F Series-1/2W, Single Turn Cermet, Square
3386P Series-1/2W, Single Turn Cermet, Square
3386P Series-1/2W, Single Turn Cermet, with Shaft
3386R Series-1/2W, Single Turn Cermet, Square
3386W Series- 1/2W, Single-Turn, Square, Side Adjust
3590S Series-Rotary Wirewound Potentiometers
43P Series-3/4W, 15 Turn Cermet, Rectangular
91AR Series- Side Adjust Potentiometers
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P Series- 1/2 Watt Linear Taper
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100 Watt Resistors
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175 Watt Resistors
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25 Watt Cement Wirewound, 5%
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74HC221
Price:
CA$
0.99
CODE:
74HC221
Availability:
In stock
Quantity:
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Description
74HC221 16 Pin Dip-Dual Monostable Multivibrator
Notice for California Residents:
WARNING
: Cancer and Reproductive Harm -
www.P65Warnings.ca.gov
WARNING
