Name: H21A2
Brand: Fairchild/ON Semiconductor
SKU: H21A2
Availability: InStock
Rating: 5 (195 reviews)

H21A2

For Reference Only

Part Number	H21A2
Manufacturer	Fairchild/ON Semiconductor
Description	SENSOR OPTO SLOT 3MM TRANS THRU
Datasheet	H21A2 Specifications
Package	PCB Mount
ECAD
In Stock	107,136 piece(s)
Unit Price	Request a Quote
Lead Time	Can Ship Immediately
Estimated Delivery Time	Apr 21 - Apr 26 (Choose Expedited Shipping)
Request for Quotation

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Delivery Services

Part Number # H21A2 (Optical Sensors - Photointerrupters - Slot Type - Transistor Output) is manufactured by Fairchild/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 H21A2 specifications/configurations, quotation, lead time, payment terms of further enquiries please have no hesitation to contact us. To process your RFQ, please add H21A2 with quantity into BOM. Heisener.com does NOT require any registration to request a quote of H21A2.

H21A2 Specifications

Manufacturer	Fairchild/ON Semiconductor
Category	Sensors, Transducers - Optical Sensors - Photointerrupters - Slot Type - Transistor Output
Package	PCB Mount
ECAD
Series	-
Sensing Distance	0.118" (3mm)
Sensing Method	Transmissive
Output Configuration	Phototransistor
Current - DC Forward (If) (Max)	50mA
Current - Collector (Ic) (Max)	20mA
Voltage - Collector Emitter Breakdown (Max)	30V
Response Time	8µs, 150µs
Operating Temperature	-55°C ~ 100°C
Mounting Type	Through Hole
Package / Case	PCB Mount

H21A2 Reviews

Artu*****aton

March 15, 2023

★ ★ ★ ★ ★

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

Liv*****sso

March 2, 2023

★ ★ ★ ★ ★

I love this website, and get a quick response. Good experience! Good customer service.

Clar*****binson

February 23, 2023

★ ★ ★ ★ ★

Easier, quicker and cheaper to buy this whole assortment than to get just the few I needed from an electronics store.

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H21A2 Packaging

H21A2 FAQ

1. How to order H21A2 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 H21A2 is from the original manufacturer or authorized agents?

We have a professional and experienced quality control team to strictly verify and test the H21A2. All suppliers must pass our qualification reviews before they can publish their products including H21A2 on Heisener; we pay more attention to the channels and quality of H21A2 products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.
3. Are the H21A2 price and inventory displayed accurate?

The price and inventory of H21A2 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 H21A2?

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 H21A2 we delivered, we will accept the replacement or return of the H21A2 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 H21A2.

(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 H21A2 pin diagram, H21A2 datasheet?

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

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H21A2 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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H21A2

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