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Texas Instruments NE555P IC Single Precision Timer (Pack of 12)

4.6 out of 5 stars 332 ratings
$6.55 $0.55 per Count
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Purchase options and add-ons

Color Black
Brand Texas Instruments
Material Copper
Item Weight 0.05 Pounds
Number of settings 1

About this item

  • 12 NE555P Texas Instruments
  • Timing From Microseconds to Hours
  • Astable or Monostable Operation
  • Adjustable Duty Cycle
  • TTL-Compatible Output Can Sink or Source up to 200 mA
› See more product details

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Texas Instruments NE555P IC Single Precision Timer (Pack of 12)
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Product information

Technical Details

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Other Technical Details
Color ‎Black
Brand ‎Texas Instruments
Material ‎Copper
Item Weight ‎0.05 Pounds
Number of settings ‎1
UPC ‎190073997779
Manufacturer ‎Texas Instruments
Item Weight ‎0.8 ounces
Product Dimensions ‎0.36 x 0.27 x 0.1 inches
Item Dimensions LxWxH ‎0.36 x 0.27 x 0.1 inches
ASIN ‎B015TRZTFY
Country of Origin ‎Mexico
Is Discontinued By Manufacturer ‎No
Date First Available ‎September 26, 2015

Additional Information

Customer Reviews
4.6 out of 5 stars 332 ratings

4.6 out of 5 stars
Best Sellers Rank #165,654 in Industrial & Scientific (See Top 100 in Industrial & Scientific)
#16 in Timing Integrated Circuits

Warranty & Support

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Texas Instruments NE555P IC Single Precision Timer (Pack of 12)

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Product Description

These devices are precision timing circuits capable of producing accurate time delays or oscillation. In the time-delay or monostable mode of operation, the timed interval is controlled by a single external resistor and capacitor network. In the astable mode of operation, the frequency and duty cycle can be controlled independently with two external resistors and a single external capacitor.

The threshold and trigger levels normally are two-thirds and one-third, respectively, of VCC. These levels can be altered by use of the control-voltage terminal. When the trigger input falls below the trigger level, the flip-flop is set, and the output goes high. If the trigger input is above the trigger level and the threshold input is above the threshold level, the flip-flop is reset and the output is low. The reset (RESET) input can override all other inputs and can be used to initiate a new timing cycle. When RESET goes low, the flip-flop is reset, and the output goes low. When the output is low, a low-impedance path is provided between discharge (DISCH) and ground.

The output circuit is capable of sinking or sourcing current up to 200 mA. Operation is specified for supplies of 5 V to 15 V. With a 5-V supply, output levels are compatible with TTL inputs.

What's included: 12 Pieces of NE555P

Customer reviews

4.6 out of 5 stars
332 global ratings

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Customers say

Customers find the 555 timers work as expected and are good value for money. They are solid and reliable, with one customer noting they held up well without frying. Customers appreciate their versatility, with one mentioning they're useful for various projects, and another highlighting their effectiveness in alarm systems.

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16 customers mention "Functionality"16 positive0 negative

Customers report that the timer works as expected, with one mentioning it performs well in alarm systems and another noting its effectiveness in analog signal processing.

"...Great reliability and performance for general circuit building." Read more

"Works perfectly!!!" Read more

"...Also works in alarm systems. Its uses are unlimited. My first use was in Gomco suction machines in Vos Andes Hospital, Quito, Ecuador...." Read more

"...Tested 2 (did not test all possible functionality) & worked in a test circuit...." Read more

16 customers mention "Value for money"16 positive0 negative

Customers find the timer to be good value for money, with one mentioning it's cheap enough to burn a few units.

"Nice price for what you get" Read more

"Product is very satisfying!" Read more

"Great little chips at a great little price. Would buy again from this Seller." Read more

"Excellent IC at amazing price" Read more

7 customers mention "Timer quality"7 positive0 negative

Customers find these timers to be of good quality, with one customer noting they are actual TI NE555 timers, while another mentions using them in a built-in timing circuit for strobe lights.

"Great set of 555 timers, I got twelve 555P by Texas Instruments to be exact. The difference between the 555N and 555P?..." Read more

"It is what it says it is, actual TI NE555 timers. Good for simple function/wave generator, or driving leds with a faster pwm than an arduino...." Read more

"I have used hundreds of these timers, excellent on chip type timers, with usable output current to drive external circuits." Read more

"Built timing circuit for strobe lights - no issues so far" Read more

6 customers mention "Quality"6 positive0 negative

Customers find the timer to be a solid product, with one customer noting that it arrived in good condition and another mentioning it held up well without frying.

"...on my breadboard when applying voltage, and they have held up strong without frying on me...." Read more

"...Overall great deal, no broken or bent pins and all of them work." Read more

"...These are of decent quality and function like they're supposed to. I would definitely buy again" Read more

"It's a solid little chip. These work as advertised and come in ESD safe tube packaging." Read more

5 customers mention "Use"5 positive0 negative

Customers find the timer very handy, with one mentioning it's a must-have for electronic hobbyists and another noting its versatility for various projects.

"...repairing circuits, this puppy is Nearly Always a problem solver for both novice and professional." Read more

"...Also works in alarm systems. Its uses are unlimited. My first use was in Gomco suction machines in Vos Andes Hospital, Quito, Ecuador...." Read more

"This is a must have for any electronic hobbyist as the number of circuits it can be used in is large & more than most I have seen...." Read more

"It is what it says it is, actual TI NE555 timers. Good for simple function/wave generator, or driving leds with a faster pwm than an arduino...." Read more

Recommended if you just need timers that work
5 out of 5 stars
Recommended if you just need timers that work
First thing I did was create a two LED test circuit and tested them all. They all work, as one would expect from a quality manufacturer like TI. They were packaged well in a hard plastic tube. If you've been getting a lot of bad ICs, I'd recommend this product.
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Top reviews from the United States

  • Bert
    5.0 out of 5 stars Great Little IC
    Reviewed in the United States on September 15, 2024
    Verified Purchase
    I have put these ICs through their paces with lots of connection mistakes on my breadboard when applying voltage, and they have held up strong without frying on me. I love these little guys and would 100% only buy this particular brand in the future for all my custom circuit builds. Great reliability and performance for general circuit building.
    Helpful
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  • Danny D.
    5.0 out of 5 stars Good TI 555's
    Reviewed in the United States on October 23, 2024
    Verified Purchase
    I have had a good experience with these particular 555's. They appear to be genuine TI branded timers, and the few I have tried performed perfectly.
    Would recommend!
    Helpful
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  • KZ
    5.0 out of 5 stars 100% genuine!
    Reviewed in the United States on December 17, 2024
    Verified Purchase
    Works perfectly!!!
    Helpful
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  • Tim Harwood
    5.0 out of 5 stars Exactly what I needed
    Reviewed in the United States on November 13, 2024
    Verified Purchase
    They are exactly what I need for the projects I'm working on
    Helpful
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  • Mac
    4.0 out of 5 stars All is well - it's really hard to make a BAD NE555P. If anyone did this -- Shame on THEM!
    Reviewed in the United States on November 28, 2019
    Verified Purchase
    NE555P has multiple uses and is an urgent companion to OTHER ICs. When designing or repairing circuits, this puppy is Nearly Always a problem solver for both novice and professional.
    Helpful
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  • Mike Kitsko
    5.0 out of 5 stars The age old workhorse timer.
    Reviewed in the United States on March 10, 2019
    Verified Purchase
    I’ve used this chip since the late 1970s and love it. My most fun use was making a cricket-like sound (using 2) and hiding it up under the office secretary’s chair. It beeped every 18 minutes and drove everyone nuts! She totally ripped apart her typewriter, and pronounced it fixed as she left for the day, only to having it beep minutes later. Also works in alarm systems. Its uses are unlimited. My first use was in Gomco suction machines in Vos Andes Hospital, Quito, Ecuador. Buy...have fun!
    4 people found this helpful
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  • Sm
    5.0 out of 5 stars Worked on 12V
    Reviewed in the United States on March 20, 2024
    Verified Purchase
    First one I tried worked on 12V supply.
    The Bojack clones I ordered last time blewup on 12V.
    Helpful
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  • Dark Knight
    5.0 out of 5 stars Fantastic deal: if it is the only IC you ever get then this is the one as it is so practical.
    Reviewed in the United States on June 20, 2018
    Verified Purchase
    This is a must have for any electronic hobbyist as the number of circuits it can be used in is large & more than most I have seen. Tested 2 (did not test all possible functionality) & worked in a test circuit. Anyone doing model railroading can easily make an alternating led flasher circuit with this. All arrived on time, in tact, in proper container, and as specified. Again, for any hobby person this is a must have item as having only this one item can be a source of making a plethora of circuits and is very handy.
    3 people found this helpful
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Top reviews from other countries

  • Chris Marcellus
    5.0 out of 5 stars Quick delivery, good price...great value.
    Reviewed in Canada on November 13, 2020
    Verified Purchase
    Great provider of chips needed. Good experience and will purchase from them again.
    Report
  • Benoit Ouellet
    5.0 out of 5 stars NE555
    Reviewed in Canada on September 28, 2017
    Verified Purchase
    Reçu en bonne condition. 1 sur 12 utilisée. En ordre.
    Report