Name: OP521DA
Brand: TT Electronics/Optek Technology
SKU: OP521DA
Availability: InStock
Rating: 5 (175 reviews)

OP521DA

For Reference Only

Part Number	OP521DA
Manufacturer	TT Electronics/Optek Technology
Description	PHOTODARLINGTON NPN CLR 1206 SMD
Datasheet	OP521DA Specifications
Package	1206 (3216 Metric)
ECAD
In Stock	7,632 piece(s)
Unit Price	Request a Quote
Lead Time	To be Confirmed
Estimated Delivery Time	Jun 12 - Jun 17 (Choose Expedited Shipping)
Request for Quotation

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Delivery Services

Part Number # OP521DA (Optical Sensors - Phototransistors) is manufactured by TT Electronics/Optek Technology 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 OP521DA specifications/configurations, quotation, lead time, payment terms of further enquiries please have no hesitation to contact us. To process your RFQ, please add OP521DA with quantity into BOM. Heisener.com does NOT require any registration to request a quote of OP521DA.

OP521DA Specifications

Manufacturer	TT Electronics/Optek Technology
Category	Sensors, Transducers - Optical Sensors - Phototransistors
Package	1206 (3216 Metric)
ECAD
Series	-
Voltage - Collector Emitter Breakdown (Max)	35V
Current - Collector (Ic) (Max)	30mA
Current - Dark (Id) (Max)	200nA
Wavelength	935nm
Viewing Angle	150°
Power - Max	100mW
Mounting Type	Surface Mount
Orientation	Top View
Operating Temperature	-25°C ~ 85°C (TA)
Package / Case	1206 (3216 Metric)

OP521DA Reviews

Jayl*****Farmer

March 30, 2023

★ ★ ★ ★ ★

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

Jes*****Loyal

March 24, 2023

★ ★ ★ ★ ★

Good service, and great value for money I am pleased with the item of OP521DA.

Tris*****Wall

March 19, 2023

★ ★ ★ ★ ★

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

Brae***** Reyna

March 5, 2023

★ ★ ★ ★ ★

Better than ever - more stock, better prices, quicker shipments, many choices of payment.

Aureli*****ingham

February 28, 2023

★ ★ ★ ★ ★

Can't speak to the long term reliability as of yet, but they seem to be of decent quality and I don't expect any issues.

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OP521DA Packaging

OP521DA FAQ

1. How to order OP521DA 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 OP521DA is from the original manufacturer or authorized agents?

We have a professional and experienced quality control team to strictly verify and test the OP521DA. All suppliers must pass our qualification reviews before they can publish their products including OP521DA on Heisener; we pay more attention to the channels and quality of OP521DA products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.
3. Are the OP521DA price and inventory displayed accurate?

The price and inventory of OP521DA 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 OP521DA?

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 OP521DA we delivered, we will accept the replacement or return of the OP521DA 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 OP521DA.

(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 OP521DA pin diagram, OP521DA datasheet?

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

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OP521DA 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

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OP521DA

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