Electronic Components
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Electronic Components
2n2222A Transistor Bipolar-NPN (Pack of 5 Pieces)
The 2N2222A transistor is a general-purpose NPN bipolar junction transistor (BJT) commonly used for low to medium current and voltage applications.
Key Features:
Type: NPN BJTMaximum Voltage:
Collector-Emitter Voltage (Vce): 40V
Collector-Base Voltage (Vcbo): 75V
Emitter-Base Voltage (Vebo): 6V
Collector Current (Ic): 800mA
Power Dissipation (Ptot): 625mW
Current Gain (hFE): 35 to 300
Package: TO-92
Applications:
Amplifiers: Audio and signal amplification circuits.Switching: Low to medium power switching applications.
Signal Processing: Used in various signal processing tasks.
The 2N2222A transistor is valued for its versatility and reliability in various electronic applications.
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Led (Light Emitting Diode)
5050 12v RGB Led Strip 5Mtr
Bring your space to life with the 5050 RGB LED Strip IP65. Powered by 12V, this splash‑proof strip delivers vivid colors and flexible installation for home, office, or creative projects.
Technical Specifications:
- LED Type: 5050 SMD RGB (5.0 × 5.0 mm)
- Voltage: 12V DC
- Density: 60 LEDs per meter (300 LEDs per 5m roll)
- Brightness: Very high output, suitable for strong accent or task lighting
- Waterproof Rating: IP65 (silicone coating, splash‑proof, dust‑resistant)
- Cuttable: Every 3 LEDs at marked points
- Control: Works with RGB controllers for full color mixing
Notes:
- Power Supply: Needs a regulated 12V adapter with at least 6A capacity for a full 5m roll.
- Heat Management: Higher density generates more heat; ensure proper ventilation.
- Installation: Silicone coating makes soldering trickier; connectors are recommended.
- Not Submersible: IP65 protects against splashes, not immersion.
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Integrated Circuits
555 Timer IC DIP-8
The 555 Timer IC in a DIP-8 package is a versatile and widely-used timer IC. The 555 Timer ic can operate in both astable and monostable modes, making it suitable for a variety of timing and pulse generation applications. The DIP-8 package has 8 pins and is easy to use in breadboard projects and PCB designs.
Key Features:
Modes: Astable (oscillator) and Monostable (one-shot)Output Current: Can source or sink up to 200 mA
Supply Voltage: 4.5V to 16V
Pin Count: 8 pins (DIP-8)
Typical Applications:
Pulse Generation: Generating precise timing pulsesTiming: Creating time delays in circuits
Oscillators: Producing square wave signals
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Integrated Circuits
7805 Voltage Regulator IC TO-220
The 7805 voltage regulator IC provides a stable 5V output from a higher input voltage (7V to 35V). The 7808 voltage regulator can deliver up to 1A of current and includes protection features like overcurrent and thermal shutdown.
Key Points:
Output Voltage: Fixed 5VInput Voltage Range: 7V to 35V
Output Current: Up to 1A
Protection: Overcurrent and thermal protection
It’s used in various applications like power supplies, microcontroller projects, and consumer electronics to ensure a consistent 5V supply.
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Integrated Circuits
7809 Voltage Regulator IC TO-220
The 7809 voltage regulator IC in the TO-220 package provides a fixed 9V output from a higher input voltage (typically 11V to 35V).The 7809 voltage regulator can deliver up to 1A of current and includes overcurrent and thermal protection.
Key Points:
Output Voltage: 9V fixedInput Voltage Range: 11V to 35V
Output Current: Up to 1A
Protection Features: Overcurrent and thermal shutdown
Perfect for power supplies, microcontroller projects, and consumer electronics needing a stable 9V source.
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Integrated Circuits
7812 Voltage Regulator IC TO-220
The 7812 voltage regulator IC in the TO-220 package provides a stable 12V output from a higher input voltage (14.5V to 35V), delivering up to 1.5A with built-in protection mechanisms like overcurrent and thermal shutdown. Its simplicity and reliability make it ideal for powering various electronic devices.
Key Points:
Output Voltage: 12V fixed
Input Voltage Range: 14.5V to 35V
Output Current: Up to 1.5A
Protection: Overcurrent and thermal shutdown
The 7812 voltage regulator ic is commonly used in power supplies, microcontroller projects, and consumer electronics needing a stable 12V source.
SKU: n/a -
Electronic Components
BC547 Transistor Bipolar-NPN (Pack of 5 Pieces)
The BC547 transistor is a general-purpose NPN bipolar junction transistor (BJT) commonly used in electronic circuits for low to medium current and low power applications. Here’s a brief overview:
Key Features:
Type: NPN Bipolar Junction Transistor (BJT)Pin Configuration:
Collector (C): Pin 1
Base (B): Pin 2
Emitter (E): Pin 3
Current Gain (hFE): 110 to 800
Collector Current (Ic): 100mA
Emitter-Base Voltage (VBE): 6V
Base Current (IB): 5mA
Package: TO-92
Applications:
Switching: Used as a switch in various circuits.Amplification: Commonly used in amplifier circuits.
Signal Processing: Employed in signal processing applications.
Working Principle:
The BC547 transistor works by controlling a large current between the collector and emitter terminals with a small current at the base terminal. When a small current is applied to the base, it allows a larger current to flow from the collector to the emitter, acting as an amplifier or switchSKU: n/a -
Electronic Components
BC549 Transistor Biploar-NPN (Pack of 5 Pieces)
The BC549 transistor is a general-purpose NPN bipolar junction transistor (BJT) used in a variety of electronic circuits. Here’s a brief overview:
Key Features:
Type: NPN Bipolar Junction Transistor (BJT)Maximum Collector-Emitter Voltage (Vce): 30V
Collector Current (Ic): 100mA
Current Gain (hFE): 110 to 800
Package: TO-92
Applications:
Amplifiers: Used in small-signal amplification circuits.Switching: Suitable for switching small loads.
Audio Processing: Employed in audio preamplification and noise filtering.
The BC549 transistor is valued for its versatility and reliability in various electronic applications.
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Electronic Components
BC558 Transistor Bipolar-PNP (Pack of 5 Pieces)
The BC558 transistor is a PNP bipolar junction transistor (BJT) used for general-purpose low-power amplification and switching.
Key Features:
Type: PNP BJTMaximum Voltage: 30V (Vce)
Collector Current (Ic): 100mA
Current Gain (hFE): 110 to 800
Package: TO-92
Applications:
Amplifiers: Used in audio and signal amplification circuits.Switching: Suitable for low-power switching applications.
Signal Processing
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Electronic Components
BC559 Transistor Bipolar-PNP (Pack of 5 Pieces)
The BC559 transistor is a general-purpose PNP bipolar junction transistor (BJT) used in various electronic circuits for low-power and low-noise applications. Here’s a brief overview:
Key Features:
Type: PNP Bipolar Junction Transistor (BJT)Maximum Voltage Ratings:
Collector-Emitter Voltage (Vce): 30V
Collector-Base Voltage (Vcbo): 30V
Emitter-Base Voltage (Vebo): 5V
Collector Current (Ic): 100mA
Current Gain (hFE): 110 to 800
Power Dissipation (Ptot): 500mW
Package: TO-92
Applications:
Amplifiers: Used in audio and signal amplification circuits.Switching: Suitable for low-power switching applications.
Signal Processing: Employed in various signal processing tasks.
The BC559 transistor is valued for its versatility and reliability in various electronic applications.
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Electronic Components
Diode 1n4007 (Pack of 5pcs)
The 1N4007 is a general-purpose rectifier diode in a DO-41 package. It is widely used in power supply circuits for converting AC to DC. Here’s a brief overview:
Key Features
Maximum Reverse Voltage: 1000VAverage Forward Current: 1A
Peak Forward Current: 30A
Power Dissipation: 3W
Low Reverse Current: 5µA
Operating Temperature: -55°C to +175°C
Pin Configuration
The 1N4007 diode has two main terminals:Anode: Current enters through this terminal.
Cathode: Current exits through this terminal (usually marked with a grey band).
Applications
Rectification: Converting AC to DC in power supplies.Voltage Protection: Blocking voltage spikes.
Battery Chargers: Preventing reverse polarity.
General Purpose: Any application requiring a diode for current flow regulation.
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Integrated Circuits, Nodemcu And ESP
ESP32 Wroom 32d 4mb Chip (Espressif Original)
The ESP32-WROOM-32D is a powerful microcontroller unit (MCU) module developed by Espressif Systems, designed for a wide range of applications. Here are the key specifications:
Key Specifications
Processor: Dual-core Xtensa LX6 microprocessor, clocked at up to 240 MHz.Memory: 520 KB SRAM, 4 MB Flash storage.
Connectivity: Wi-Fi (802.11 b/g/n), Bluetooth (Bluetooth 4.2 BR/EDR and BLE).
GPIO Pins: 36 GPIO pins, including analog inputs.
Peripherals: Includes SPI, I2C, UART, PWM, capacitive touch sensors, and more.
Power Consumption: Optimized for low power consumption, with various power-saving modes
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Adaptors and Power Supplies
Hi Link HLK-5M05 5v 5w
The Hi-Link HLK‑5M05 is a compact, isolated AC‑DC power supply module that converts 90–264V AC mains into a stable 5V DC output at up to 1A (5W). It is widely used in smart home devices, IoT systems, automation, and embedded electronics due to its small size, high efficiency, and built‑in protections.
Features and Specifications:
- Ultra‑small size: 38 × 23 × 18 mm, PCB‑mountable
- Safety & Compliance: Meets UL, CE, EMC standards
- Protections: Short‑circuit, overload, and fault self‑recovery
- Durability: 100,000+ hours continuous operation (tested under full load aging)
- Environmental: Encased in waterproof, dustproof plastic (IP65 rated)
- Input Voltage: 90–264V AC (universal range)
- Output Voltage: 5V DC ±0.2%
- Output Current: Rated 1A, peak ≥1.2A
- Power Rating: 5W
- Efficiency: ~70%
- Isolation Voltage: 3000V AC
- Ripple & Noise: ≤50mVp‑p
- No‑load Power Consumption: <0.1W
- Operating Temperature: −20°C to +60°C
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Integrated Circuits
HT 12D Decoder IC DIP-18
The HT 12D decoder ic is a 12-bit decoder IC in a DIP-18 package. It is commonly used in remote control systems and is paired with the HT12E encoder to form a complete encoder-decoder pair for wireless communication. Here’s a brief overview:
Key Features:
Operating Voltage: 2.4V to 12VData Bits: 4 data bits
Address Bits: 8 address bits
Low Standby Current: 0.1µA at Vcc=5V
Built-in Oscillator: Requires only a 5% resistor
Pin Configuration:
The DIP-18 package has 18 pins, including:A0 to A7: Address bits (8 bits)
AD0 to AD3: Data bits (4 bits)
Input (Pin 14): Encoded 12-bit output from HT12E
Oscillator Pins (Pin 15 & 16): Built-in oscillator
Valid Transmission (VT) Pin (Pin 17): Indicates valid transmission (optional)
Vcc (Pin 18): Power supply (5V)
Ground (Pin 9): Common ground
Applications:
Remote Control Systems: Used in RF and IR remote control systems.Security Systems: Burglar alarms, smoke and fire alarms.
Consumer Electronics: Garage door controllers, car door controllers.
Wireless Communication: Transmitting 4-bit data wirelessly.
SKU: n/a -
Integrated Circuits
HT 12E Encoder IC DIP-18
The HT 12E encoder ic is a 12-bit encoder IC in a DIP-18 package. It is part of the 212 series of encoders and is commonly used in remote control systems, paired with the HT12D decoder. Here’s a brief overview:
Key Features:
Operating Voltage: 2.4V to 12VData Bits: 4 bits
Address Bits: 8 bits
Low Standby Current: 0.1µA at Vcc=5V
Built-in Oscillator: Requires only a 5% resistor
Pin Configuration:
The DIP-18 package has 18 pins:A0 to A7 (Pins 1-8): Address input pins (8 bits)
AD0 to AD3 (Pins 10-13): Data input pins (4 bits)
DIN (Pin 14): Data output pin
Oscillator Pins (Pins 15 & 16): Built-in oscillator
Valid Transmission (VT) Pin (Pin 17): Indicates valid transmission
Vcc (Pin 18): Power supply
Ground (Pin 9): Common ground
Working Principle:
The HT12E encodes 12-bit parallel data (8 address bits and 4 data bits) into a serial format for transmission via RF or infrared medium. It requires a trigger signal to start the transmission, and the data is transmitted in a 4-word cycle1.Applications:
Remote Control Systems: Used in RF and IR remote control systems.Security Systems: Burglar alarms, smoke and fire alarms.
Consumer Electronics: Garage door controllers, car door controllers.
Wireless Communication
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