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TEA2025 Audio Power Amplifier IC β 14W High-Performance Audio Amplifier for Consumer Electronics
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β 14W output power for high-quality audio amplification
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β Low total harmonic distortion (THD) for clear sound
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β Efficient operation with low thermal dissipation
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β Wide supply voltage range: 9V to 18V
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β Ideal for home audio systems, portable speakers, and TV sound applications
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β Easy to integrate with a compact 5-pin package
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β Available in various packages like the 5-pin SIP
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β Excellent price-to-performance ratio for consumer audio devices
₨ 65 -
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TIP41C – High Power NPN Transistor | 100V, 6A, 65W
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Voltage Rating (Vce): 100V
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Collector Current (Ic): 6A
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Power Dissipation (Pd): 65W
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Package Type: TO-220
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Gain (hFE): 15 (Minimum)
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Applications: Power Amplifiers, Switching Circuits, Audio Amplifiers, Motor Control
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High Reliability and Efficiency
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Easy Mounting with Standard TO-220 Package
₨ 50 -
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TIP42C – High Power PNP Transistor | 100V, 6A, 65W
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Voltage Rating (Vce): 100V
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Collector Current (Ic): 6A
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Power Dissipation (Pd): 65W
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Package Type: TO-220
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Gain (hFE): 15 (Minimum)
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Applications: Power Amplifiers, Switching Circuits, Audio Amplifiers, Motor Control
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High Reliability and Efficiency
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Easy Mounting with Standard TO-220 Package
₨ 50 -
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TL072 Dual Low-Noise JFET Op-Amp β High-Quality Audio Performance & Precision
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Dual Op-Amp Design: Contains two independent op-amps in a single package for versatile audio signal processing.
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Low Noise & Low Distortion: Provides clean signal amplification with low total harmonic distortion (THD) and minimal noise, ideal for high-fidelity audio applications.
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High Input Impedance: JFET-input design ensures high input impedance with low bias currents, preserving signal integrity.
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Wide Voltage Range: Operates within a supply voltage range of Β±3V to Β±18V, suitable for various analog circuit designs.
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Low Power Consumption: Efficient power consumption makes it suitable for portable and battery-powered applications.
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Standard Pinout: Compatible with other dual op-amps like TL082, NE5532, etc., making it a drop-in replacement for various designs.
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Compact Package: Available in DIP-8, SOP-8, and SOIC-8 packages for easy integration into PCB designs.
₨ 40 -
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TL431 Adjustable Shunt Regulator IC β Precision Voltage Reference and Regulator for Power Supplies
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β Adjustable shunt regulator with precision voltage reference
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β Wide input voltage range: 2.5V to 36V
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β Adjustable output voltage (typically 2.495V to 36V)
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β High accuracy and low output noise
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β Low quiescent current (typically 1mA)
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β Available in 3-pin TO-92, SOT-23, and other packages
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β Ideal for power supplies, battery chargers, and voltage references
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β Commonly used in feedback loops of SMPS for stable regulation
₨ 8 -
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TL494 SOP-16 IC High-Performance PWM Controller for Precision Power Systems
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π Complete PWM Circuitry: All functions for pulse-width modulation control are integrated on a single monolithic chip.
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π Dual Output Modes: Supports both Single-Ended and Push-Pull operations, selectable via the output-control pin.
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π‘οΈ Dead-Time Control (DTC): Built-in adjustable dead-time provides a safe buffer to prevent power transistor overlap and damage.
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π§ On-Chip Error Amplifiers: Includes two high-gain error amplifiers with a common-mode voltage range of $-0.3V$ to $V_{CC}-2V$.
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β±οΈ Adjustable Oscillator: Features a programmable internal oscillator with frequency control via external $R$ and $C$ components.
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π Double-Pulse Prevention: Internal flip-flop logic prevents double pulsing at the outputs during push-pull operation.
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π Easy Synchronization: The architecture allows for simple synchronization with other ICs for multi-rail power systems.
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βοΈ Uncommitted Outputs: Dual output transistors can sink or source up to 200mA each, offering flexible drive options.
₨ 25 -
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UC3843 Current Mode PWM Controller IC β High-Performance Power Supply Controller
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β Current-mode PWM controller
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β Wide input voltage range (7Vβ40V)
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β High speed with low start-up current (typically 1mA)
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β Excellent line and load regulation
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β Internal under-voltage lockout (UVLO)
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β Soft start and frequency stability
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β DIP-8 or SOP-8 package (depending on version)
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β Ideal for SMPS, DC-DC converters, inverters, and battery chargers
₨ 27 -
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UC3845 High-Speed PWM Controller IC β Current Mode Controller for SMPS, Inverters & DC-DC Converters
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β Current-mode PWM controller with fast response
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β Wide input voltage: 7V to 30V
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β Low start-up current (0.5 mA typical)
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β High oscillator frequency: up to 500 kHz
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β Built-in UVLO (Under Voltage Lockout)
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β Internal error amplifier and current sense comparator
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β DIP-8 or SOP-8 package
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β Perfect for SMPS, DC-DC converters, UPS, and motor drives
₨ 35 -
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ULN2003 Darlington Transistor Array IC β High-Current, High-Voltage Driver IC for Motors and Relays
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β Seven NPN Darlington pairs in a single IC
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β High-voltage operation: up to 50V
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β High current handling: up to 500mA per channel
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β Built-in flyback diodes for protection against inductive loads
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β Easy interfacing with low-level logic signals (e.g., microcontrollers)
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β Commonly used in relay drivers, stepper motor control, and other power drivers
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β Available in a 16-pin DIP or SOIC package
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β Ideal for driving motors, relays, solenoids, and high-power actuators
₨ 30 -
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π TL071 IC | High-Speed JFET-Input Operational Amplifier
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β‘ High Slew Rate: Boasts a rapid $13 \text{ V/Β΅s}$ rate, ensuring excellent pulse response and high-speed signal tracking.
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π Ultra-Low Harmonic Distortion: Maintains a typical $0.003\%$ distortion level, making it perfect for premium audio equipment.
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π Low Input Bias Current: Features JFET inputs that minimize current leakage (typically $30 \text{ pA}$), preserving sensitive signals.
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π‘οΈ Short-Circuit Protection: Built-in output protection prevents chip failure during accidental grounding or overloads.
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π Wide Common-Mode Range: Operates reliably across a broad range of input voltages without experiencing latch-up.
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π‘οΈ Internal Frequency Compensation: Designed for stable operation across various frequencies without the need for external components.
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π Flexible Power Supply: Optimized to work efficiently with a wide range of dual-supply voltages from $\pm 5\text{V}$ up to $\pm 15\text{V}$.
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π¦ Compact PDIP-8 Package: The standard 8-pin through-hole design ensures easy breadboarding and secure PCB mounting for DIYers and pros.
₨ 40 -









