Signetics NE521N High-Speed Dual Differential Comparator / Sense Amplifier

Circuit Shack
(7442)
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US $9.95
ApproximatelyRM 41.17
Condition:
New
4 available
Breathe easy. Free shipping and returns.
Shipping:
Free USPS Ground Advantage®.
Located in: Arlington, Texas, United States
Delivery:
Estimated between Sat, 15 Nov and Thu, 20 Nov to 94104
Delivery time is estimated using our proprietary method which is based on the buyer's proximity to the item location, the shipping service selected, the seller's shipping history, and other factors. Delivery times may vary, especially during peak periods.
Returns:
30 days return. Seller pays for return shipping.
Coverage:
Read item description or contact seller for details. See all detailsSee all details on coverage
(Not eligible for eBay purchase protection programmes)
Seller assumes all responsibility for this listing.
eBay item number:127133588732
Last updated on Nov 09, 2025 06:42:40 MYTView all revisionsView all revisions

Item specifics

Condition
New: A brand-new, unused, unopened, undamaged item in its original packaging (where packaging is ...
Brand
Signetics
Mounting Style
Through-Hole
Number of Pins
14
MPN
NE521N
Maximum Operating Temperature
70 °C (158 °F)
Minimum Operating Temperature
0 °C (32 °F)
Category

Item description from the seller

About this seller

Circuit Shack

99.8% positive feedback•28K items sold

Joined Jan 2008
Usually responds within 24 hours
We strive towards complete customer satisfaction and aim to provide a pleasant buying experience. Please do not hesitate to contact us with any questions or issues with your shopping experience. We ...
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Detailed Seller Ratings

Average for the last 12 months
Accurate description
4.9
Reasonable shipping cost
5.0
Shipping speed
5.0
Communication
5.0

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Seller feedback (7,244)

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  • c***c (89)- Feedback left by buyer.
    Past 6 months
    Verified purchase
    Very well packed. These were exactly as described. Value was within .1 Mfd of stated capacitance. Price was very fair and shipping time was accurate. Will keep this seller in my favorites!
    Nichicon VZ 4.7uF 50V 105°C Radial Electrolytic Capacitors - (10 Pack) (#126680573838)
  • 9***m (149)- Feedback left by buyer.
    Past 6 months
    Verified purchase
    Good communication, fast shipping, item just as described. What more could I ask for? Great A+++ seller!!!
    2x On Off Red Light Rocker Switch 250V AC 16 AMP 125V 20A DPST 4 lug legs (#123404053971)
  • r***l (1409)- Feedback left by buyer.
    Past month
    Verified purchase
    WONDERFUL experience! Gameboy was exactly as described, in excellent vintage condition, works perfectly, great sound, screen, everything...carefully packed and fast shipping too!! Wonderful seller, 5 Stars!! Thanks so much!! :)
    Original Gameboy Play It Loud Green (#127085307670)
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