Name: 74ACT521SJ
Brand: ON Semiconductor
SKU: 74ACT521SJ_1D8
Availability: InStock
Rating: 5 (187 reviews)

74ACT521SJ

For Reference Only

Part Number	74ACT521SJ
Manufacturer	ON Semiconductor
Description	IC COMPARATOR IDENTITY 8B 20SOP
Datasheet	74ACT521SJ Datasheet 74ACT521SJ Specifications
Package	20-SOIC (0.209", 5.30mm Width)
ECAD
In Stock	7,232 piece(s)
Unit Price	Request a Quote
Lead Time	To be Confirmed
Estimated Delivery Time	Apr 23 - Apr 28 (Choose Expedited Shipping)
Request for Quotation

Payment Methods
Delivery Services

Part Number # 74ACT521SJ (Logic - Comparators) is manufactured by ON Semiconductor and distributed by Heisener. Being one of the leading electronics distributors, we carry many kinds of electronic components from some of the world’s top class manufacturers. Their quality is guaranteed by its stringent quality control to meet all required standards.

For 74ACT521SJ specifications/configurations, quotation, lead time, payment terms of further enquiries please have no hesitation to contact us. To process your RFQ, please add 74ACT521SJ with quantity into BOM. Heisener.com does NOT require any registration to request a quote of 74ACT521SJ.

74ACT521SJ Specifications

Manufacturer	ON Semiconductor
Category	Integrated Circuits (ICs) - Logic - Comparators
Package	20-SOIC (0.209", 5.30mm Width)
ECAD
Series	74ACT
Type	Identity Comparator
Number of Bits	8
Output	Active Low
Output Function	A=B
Voltage - Supply	4.5 V ~ 5.5 V
Current - Output High, Low	24mA, 24mA
Max Propagation Delay @ V, Max CL	10ns @ 5V, 50pF
Current - Quiescent (Iq)	4µA
Operating Temperature	-40°C ~ 85°C
Package / Case	20-SOIC (0.209", 5.30mm Width)
Mounting Type	Surface Mount

74ACT521SJ Datasheet

74ACT521SJ Reviews

Cull*****ohan

April 9, 2023

★ ★ ★ ★ ★

Good and works well. What else is there to say about it.

Zaid*****quez

April 4, 2023

★ ★ ★ ★ ★

Absolutely the finest source for electric components, connectors, terminal strips, panel lights, etc. The website online ordering system makes a easy business.

Fin*****rake

March 24, 2023

★ ★ ★ ★ ★

Awesome!!! great prices, easy to order and great service, thank you!

Josi*****ullen

March 23, 2023

★ ★ ★ ★ ★

★★★★★ Nice Item, Shipped Fast And As Promised! ★★★★★ THANKS!!!!! ★★★★★

Leand*****arwal

March 22, 2023

★ ★ ★ ★ ★

Great item and excellent seller! Would highly recommend. Thank you. Trustworthy

Ces*****Mckee

March 19, 2023

★ ★ ★ ★ ★

Not messy and easy to handle. I've used these professionally and for my self, and they never failed me.

Pab*****Bath

March 5, 2023

★ ★ ★ ★ ★

Worked as advertised and good price. Can you imagine buying these at local store it would cost way to much.

Kaila*****swami

February 23, 2023

★ ★ ★ ★ ★

Well packed, good item, capacitors both within 2.5% tolerance!

Write a Review

★★★★★

Not Rated

Thanks for Your Review!

74ACT521SJ Packaging

74ACT521SJ FAQ

1. How to order 74ACT521SJ on Heisener?

Currently, Heisener only provide peer-to-peer order processing. While you submit the RFQ, our professional agent will contact you with the competitive prices in the global market, and our agent will prompt you to finish the order if you accept our offers.
2. How does Heisener guarantee that 74ACT521SJ is from the original manufacturer or authorized agents?

We have a professional and experienced quality control team to strictly verify and test the 74ACT521SJ. All suppliers must pass our qualification reviews before they can publish their products including 74ACT521SJ on Heisener; we pay more attention to the channels and quality of 74ACT521SJ products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.
3. Are the 74ACT521SJ price and inventory displayed accurate?

The price and inventory of 74ACT521SJ fluctuates frequently and cannot be updated in time, it will be updated periodically within 24 hours. And, our quotation usually expires after 5 days.
4. What forms of payment are accepted?

Wire Transfer, PayPal, Alipay, Wechat, Credit Card, Western Union, MoneyGram, and Escrow are all acceptable.

Warm Tips: Some orders in certain payment forms may require handling fee.
5. How is the shipping arranged?

Customers can choose industry-leading freight companies, including DHL, UPS, FedEx, TNT, and Registered Mail. Shipping insurance is also available.

Once your order has been processed for shipment, our salesperson will send you an email advising you of the shipping status and tracking number.

Warm Tips: It may take up to 24 hours for the carriers to display tracking information. Usually, express delivery takes 3-5 days, and registered mail takes 25-60 days.
6. What is the process for return or replacement of 74ACT521SJ?

All goods will implement Pre-Shipment Inspection (PSI), selected at random from all batches of your order to do a systematic inspection before arranging the shipment. If there is something wrong with the 74ACT521SJ we delivered, we will accept the replacement or return of the 74ACT521SJ only when all of the below conditions are fulfilled:

(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.

(2)We are informed of the defect described above within 90 days after the delivery of 74ACT521SJ.

(3)The PartNo is unused and only in the original unpacked packaging.

Two processes to return the products:

(1)Inform us within 90 days

(2)Obtain Requesting Return Authorizations
7.How to contact us to get technical supports, such as 74ACT521SJ pin diagram, 74ACT521SJ datasheet?

If you need any after-sales service, please do not hesitate to contact us.

74ACT521SJ Related Products

ASA2-57.692MHZ-L-T3	Abracon LLC, OSC XO 57.692MHZ HCMOS SMD, 4-SMD, No Lead, 74ACT	View
1210Y2000183JER	Knowles Syfer, CAP CER 1210, -, 74ACT	View
1812J5000333KXR	Knowles Syfer, CAP CER 0.033UF 500V X7R 1812, 1812 (4532 Metric), 74ACT	View
1N5953BG	ON Semiconductor, DIODE ZENER 150V 3W AXIAL, DO-204AL, DO-41, Axial, 74ACT	View
MAX7645BCWP	Maxim Integrated, IC DAC CMOS BUFFERD 12BIT 20SOIC, 20-SOIC (0.295", 7.50mm Width), 74ACT	View
P6KE160HE3/73	Vishay Semiconductor Diodes Division, TVS DIODE 130VWM 230VC DO204AC, DO-204AC, DO-15, Axial, 74ACT	View
0ZRA1400FF1A	Bel Fuse Inc., PTC RESETTABLE 16V 14A RADIAL, Radial, Disc, 74ACT	View
TNPW04024K30BEED	Vishay Dale, RES SMD 4.3K OHM 0.1% 1/16W 0402, 0402 (1005 Metric), 74ACT	View
487117-4	TE Connectivity AMP Connectors, CONTACT FLAT FLEX SOCKET GOLD, -, 74ACT	View
RCB120DHHN	Sullins Connector Solutions, CONN EDGE DUAL FMALE 240POS .050, -, 74ACT	View
EBC20DRXI-S734	Sullins Connector Solutions, CONN EDGE DUAL FMALE 40POS 0.100, -, 74ACT	View
RP10-1212SE-HC	Recom Power, CONV DC/DC 10W 9-18VIN 12VOUT, 6-DIP Module, 74ACT	View

74ACT521SJ Guarantees

Service Guarantees

We guarantee 100% customer satisfaction.

Our experienced sales team and tech support team back our services to satisfy all our customers.

Quality Guarantees

We provide 90 days warranty.

If the items you received were not in perfect quality, we would be responsible for your refund or replacement, but the items must be returned in their original condition.

Global Supply Chains - Reliable and Authorized Distributor Resources

Part Number

Manufacturer

Description

Stock

74ACT521SJX

Fairchild Semiconductor Corporation

IC COMPARATOR IDENTITY 8B 20SOP

74ACT521SJ

Fairchild Semiconductor Corporation

1178

Part Number

Manufacturer

Description

Stock

74ACT521SJ

D# 2156-74ACT521SJ-FS-ND

Rochester Electronics LLC

IDENTITY COMPARATOR

74ACT521SJX

D# 74ACT521SJX-ND

ON Semiconductor

IC COMPARATOR IDENTITY 8B 20SOP

Part Number

Manufacturer

Description

Stock

74ACT521SJX

In stock shipping within 2days

252

Part Number

Manufacturer

Description

Stock

74ACT521SJ

Fairchild Semiconductor Corporation

OEM/CM QUOTES ONLY | NO BROKERS

1847

Part Number

Manufacturer

Description

Stock

74ACT521SJX

Analog Devices Inc

OEM/CM ONLY

2273

Part Number

Manufacturer

Description

Stock

74ACT521SJX

OEM/CM Immediate delivery

152

Part Number

Manufacturer

Description

Stock

74ACT521SJX

D# NS-74ACT521SJX

Fairchild Semiconductor Corporation

OEM/CM ONLY

8635

Part Number

Manufacturer

Description

Stock

74ACT521SJ

Fairchild Semiconductor Corporation

OEM/CM ONLY

2560

Part Number

Manufacturer

Description

Stock

74ACT521SJX

IN stock Immediate delivery

147

Part Number

Manufacturer

Description

Stock

74ACT521SJX

National Semiconductor Corporation

shipping today

239

Quick Inquiry

74ACT521SJ

Certified Quality

Heisener's commitment to quality has shaped our processes for sourcing, testing, shipping, and every step in between. This foundation underlies each component we sell.

ISO9001:2015, ICAS, IAF, UKAS