555 Timer IC (NE555P) - Precision Timer & Oscillator IC

The iconic 555 Timer IC - the world's most versatile and widely used integrated circuit for timing, pulse generation, and oscillator applications. Available at The Engineer Store, Bengaluru. Fast shipping, 7-day warranty on manufacturing defects, and expert technical support.

Specifications

Why Choose the 555 Timer IC from The Engineer Store?

• 100% authentic NE555P sourced from authorized semiconductor distributors
• Factory-fresh stock with guaranteed electrical specifications
• 1-5 day shipping, 7-8 day delivery across India from our Bengaluru warehouse
• Expert technical support to help you design your timer circuits
• Breadboard-friendly 8-pin DIP package for easy prototyping
• Tested and verified for reliable performance in all three operating modes

Operating Modes Explained

• Monostable Mode (One-Shot): Produces a single timed output pulse when triggered. Ideal for debouncing switches, creating precise time delays, and touch-activated circuits. Pulse duration is set by an external resistor and capacitor (T = 1.1 x R x C).
• Astable Mode (Free-Running Oscillator): Generates a continuous square wave output without any external trigger. Perfect for LED flashers, tone generators, clock signals, and PWM applications. Frequency is determined by two resistors and a capacitor.
• Bistable Mode (Flip-Flop): Acts as a basic flip-flop with set and reset inputs. The output toggles between HIGH and LOW states based on trigger and reset pin inputs. Useful for latching circuits and digital logic applications.

Pin Configuration (8-Pin DIP)

• Pin 1 - GND: Ground connection (0V reference)
• Pin 2 - Trigger: Input that starts the timing cycle when voltage drops below 1/3 VCC
• Pin 3 - Output: Timer output pin (HIGH or LOW), capable of driving up to 200mA
• Pin 4 - Reset: Active-low reset pin; connect to VCC for normal operation
• Pin 5 - Control Voltage: Access to the internal voltage divider (2/3 VCC); typically bypassed with a 10nF capacitor to ground
• Pin 6 - Threshold: Monitors the charging capacitor; resets output when voltage exceeds 2/3 VCC
• Pin 7 - Discharge: Open-collector output used to discharge the external timing capacitor
• Pin 8 - VCC: Positive supply voltage (4.5V to 16V DC)

Project Ideas

• LED Flasher / Blinker Circuit: Use astable mode with a resistor-capacitor network to create adjustable-rate blinking LEDs - a classic beginner electronics project.
• Tone Generator / Simple Alarm: Generate audible frequencies by connecting the output to a piezo buzzer or small speaker in astable mode. Adjust pitch by changing RC values.
• PWM Motor Speed Controller: Build a pulse-width modulation circuit to control DC motor speed smoothly using the 555 in astable mode with a potentiometer.
• Touch-Activated Switch: Create a touch-sensitive on/off switch using monostable mode with a high-value resistor at the trigger pin.
• Infrared (IR) Transmitter: Generate a 38kHz carrier frequency for IR remote control projects and communication systems.
• Missing

Frequently Asked Questions

Buy 555 Timer IC Online in India

Purchase the 555 Timer IC online at The Engineer Store - India's most trusted electronics components store. We deliver across all major cities including Bengaluru, Mumbai, Delhi, Chennai, Hyderabad, Pune, Kolkata, Ahmedabad, Jaipur, and Surat. Get the best price on 555 Timer IC with fast 1-5 day shipping from our Bengaluru warehouse. All products are 100% authentic, sourced from authorized distributors with 7-day warranty on manufacturing defects.

Looking to buy 555 Timer IC at the best price in India? The Engineer Store offers competitive pricing, bulk discounts for orders of 10+ units, and dedicated technical support via email and WhatsApp. Whether you are a hobbyist, student, or professional engineer, we have everything you need for your electronics projects.