Name: H21A1
Brand: Fairchild/ON Semiconductor
SKU: H21A1
Availability: InStock
Rating: 5 (88 reviews)

H21A1

For Reference Only

Part Number	H21A1
Manufacturer	Fairchild/ON Semiconductor
Description	SENSOR OPTO SLOT 3MM TRANS THRU
Datasheet	H21A1 Specifications
Package	PCB Mount
ECAD
In Stock	118,716 piece(s)
Unit Price	Request a Quote
Lead Time	Can Ship Immediately
Estimated Delivery Time	Apr 29 - May 4 (Choose Expedited Shipping)
Request for Quotation

Payment Methods
Delivery Services

Part Number # H21A1 (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 H21A1 specifications/configurations, quotation, lead time, payment terms of further enquiries please have no hesitation to contact us. To process your RFQ, please add H21A1 with quantity into BOM. Heisener.com does NOT require any registration to request a quote of H21A1.

H21A1 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

H21A1 Reviews

Emil*****araf

March 31, 2023

★ ★ ★ ★ ★

So far so good. I need to see how they hold up.

Cru*****iley

March 1, 2023

★ ★ ★ ★ ★

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

Hana*****rett

February 26, 2023

★ ★ ★ ★ ★

Items as described, quick dispatch, took a while with shipment.

Mich*****Doctor

February 21, 2023

★ ★ ★ ★ ★

The parts as described and fast shipping. Thanks for the great service

Laur*****uckley

February 19, 2023

★ ★ ★ ★ ★

No complaints. Works perfectly every single one of them! great quality! No bent pins either!

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H21A1 Packaging

H21A1 FAQ

1. How to order H21A1 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 H21A1 is from the original manufacturer or authorized agents?

We have a professional and experienced quality control team to strictly verify and test the H21A1. All suppliers must pass our qualification reviews before they can publish their products including H21A1 on Heisener; we pay more attention to the channels and quality of H21A1 products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.
3. Are the H21A1 price and inventory displayed accurate?

The price and inventory of H21A1 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 H21A1?

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 H21A1 we delivered, we will accept the replacement or return of the H21A1 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 H21A1.

(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 H21A1 pin diagram, H21A1 datasheet?

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

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H21A1 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

H21A1

D# V99:2348_22608132

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RoHS: Compliant

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TRH21A180-01E03 VI D# 2034-3848-ND	Cincon Electronics Corporation	AC/DC DESKTOP ADAPTER 18V 22W	49
H21A1 D# H21A1IS-ND	Isocom Components	SENSOR OPT SLOT PHOTOTRAN PC PIN	0

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H21A1

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In stock shipping within 2days

16470

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D# C90607

Isocom Components

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LONEON

OEM/CM Immediate delivery

9815

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OEM/CM Immediate delivery

5893

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TRH21A150-01E03-LEVEL-VI D# 418-TRH21A15001E03VI	Cincon Electronics Corporation	Desktop AC Adapters Switching Adapter, Level VI, Desktop, 20 Watt, 90-264VAC Input, 15VDC Output, 5.5x2.1x12mm, Right Angle, DC Cable 1800mm RoHS: Compliant	27
TRH21A120-49E03-LEVEL-VI D# 418-TRH21A12049E03VI	Cincon Electronics Corporation	Desktop AC Adapters Switching Adapter, Level VI, Desktop, 20 Watt, 90-264VAC Input, 12VDC Output, 2.35x0.7x9.5mm, Right Angle, DC Cable 1800mm RoHS: Compliant	51

Part Number

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Description

Stock

H21A1

Isocom Components

Through Hole Single Channel 50 mA Slotted With Tab Mounts Transmissive Transistor

RoHS: Compliant

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Description

Stock

H21A1

D# ISOC00000000080

Isocom Components

Through Hole Single Channel 50 mA Slotted With Tab Mounts Transmissive Transistor

Part Number	Manufacturer	Description	Stock
TH-21A-10K-1/4-1900-M12 D# 59AH0175	Omega Engineering	Thermistors: M12 Thermistor Probes RoHS: Not Compliant Min Qty: 1 Container: Bulk	0
TH-21A-10K-1/4-0325-M12 D# 59AH0170	Omega Engineering	Thermistors: M12 Thermistor Probes RoHS: Not Compliant Min Qty: 1 Container: Bulk	0
TH-21A-10K-1/4-0600-M12 D# 59AH0173	Omega Engineering	Thermistors: M12 Thermistor Probes RoHS: Not Compliant Min Qty: 1 Container: Bulk	0
TH-21A-10K-1/8-0300-M12 D# 59AH0176	Omega Engineering	Thermistors: M12 Thermistor Probes RoHS: Not Compliant Min Qty: 1 Container: Bulk	0
TH-21A-10K-1/4-1200-M12 D# 59AH0174	Omega Engineering	Thermistors: M12 Thermistor Probes RoHS: Not Compliant Min Qty: 1 Container: Bulk	0
TH-21A-10K-1/4-0500-M12 D# 59AH0171	Omega Engineering	Thermistors: M12 Thermistor Probes RoHS: Not Compliant Min Qty: 1 Container: Bulk	0
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Part Number

Manufacturer

Description

Stock

H21A1

D# NS-H21A1

Fairchild Semiconductor Corporation

OEM/CM ONLY

6992

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D# NS-HEIH21A1

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Part Number

Manufacturer

Description

Stock

H21A1

QTC

1 CHANNEL SLOTTED OPTICAL SWITCH TRANSISTOR OUTPUT

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TRH21A12001E03 VI	Cincon Electronics Corporation	OEM/CM ONLY	96
TRH21A15001E03 VI	Cincon Electronics Corporation	OEM/CM ONLY	143
TRH21A18001E03 VI	Cincon Electronics Corporation	OEM/CM ONLY	144
H21A1X	ISO	OEM/CM ONLY	766
H21A1	Fairchild Semiconductor Corporation	OEM/CM ONLY	56613
H21A1IS	N/A	OEM/CM ONLY	188
H21A1NL	Fairchild Semiconductor Corporation	OEM/CM ONLY	88

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9830

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Fairchild Semiconductor Corporation

IN stock Immediate delivery

5908

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Manufacturer

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shipping today

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Part Number

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Isocom Components

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11793

Quick Inquiry

H21A1

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