KTIR0821DS
4-Pin Photointerrupter with Transmissive Photodarlington
Inventory:9,416
- 90-day after-sales guarantee
- 365 Days Quality Guarantee
- Genuine Product Guarantee
- 7*24 hours service quarantee
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Part Number : KTIR0821DS
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Package/Case : DIP4
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Manufacturer : Kingbright
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Components Classification : Reflective - Analog Output
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Datesheet : KTIR0821DS DataSheet (PDF)
The KTIR0821DS is a high-speed infrared emitting diode designed for use in infrared sensing and communication applications. This diode emits infrared light with a fast response time, making it ideal for various proximity sensing and remote control applications. (Note: The pin configuration below is a general representation. Refer to the specific datasheet for precise details.) Include a circuit diagram showing the connection of the diode in an infrared sensing or communication circuit for better understanding. Note: For detailed specifications, refer to the KTIR0821DS datasheet. Functionality The KTIR0821DS is a high-speed infrared emitter diode that enables quick and efficient transmission of infrared signals for various sensing and communication purposes. Usage Guide Q: What is the typical wavelength of the infrared light emitted by the KTIR0821DS? Q: Can the KTIR0821DS be used in ambient light conditions? For similar functionalities, consider these alternatives to the KTIR0821DS:Overview of KTIR0821DS
Pinout
Circuit Diagram
Key Features
Application
Frequently Asked Questions
A: The KTIR0821DS typically emits infrared light with a wavelength around 850nm, suitable for various sensing and communication tasks.
A: The KTIR0821DS is designed to perform effectively in ambient light conditions, but excessive ambient light might affect its performance.Equivalent
Specifications
The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.
Product Category | Optical Switches, Reflective, Phototransistor Output | Sensing Distance | 1 mm |
Collector- Emitter Voltage VCEO Max | 35 V | Maximum Collector Current | 50 mA |
Vf - Forward Voltage | 1.2 V | Vr - Reverse Voltage | 6 V |
Minimum Operating Temperature | - 25 C | Maximum Operating Temperature | + 85 C |
Mounting Style | Through Hole | Brand | Kingbright |
Fall Time | 70 us | Height | 1.5 mm |
If - Forward Current | 20 mA | Length | 3.4 mm |
Number of Channels | 1 Channel | Output Type | Photodarlington |
Pd - Power Dissipation | 75 mW | Product Type | Optical Switches, Reflective, Phototransistor Output |
Rise Time | 80 us | Sensing Method | Reflective |
Subcategory | Optical Switches | Wavelength | 940 nm |
Width | 2.7 mm |
Warranty & Returns
Warranty, Returns, and Additional Information
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QA & Return Policy ?
Parts Quality Guarantee: 365 days
Returns for refund: within 90 days
Returns for Exchange: within 90 days
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Shipping and Package ?
Shipping:For example, FedEx, JP, UPS, DHL,SAGAWA, or YTC.
Parts Packaging Guarantee: Featuring 100% ESD anti-static protection, our packaging incorporates high toughness and superior buffering capabilities.
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Payment ?
For example, channels like VISA,MasterCard,Western Union,PayPal,MoneyGram,Rakuten Pay and more.
If you have specific payment channel preferences or requirements, please get in touch with our sales team for assistance.

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KTIR0821DS
4-Pin Photointerrupter with Transmissive Photodarlington
Inventory:
9,416
Warranty & Returns
After Sales Service
What after-sales service can be provided?
We provide an extended quality assurance period of 365 days for all components we offer. If a return or exchange becomes essential, kindly adhere to these guidelines:
·Initiate the request within 90 days after the item's shipment date.
·Coordinate the return or exchange with our team.
·Keep the items in their original condition as delivered.
·Please be aware that the feasibility of returning or exchanging items is contingent upon an evaluation of their actual state upon return.
Shipping
What channels of transportation of goods does the website support?
We usually send out our orders during business days using FedEx, SF, UPS, or DHL. We're also here to assist with alternative shipping options. Should you require additional information about shipping particulars or expenses, please don't hesitate to get in touch with us.







Package
How to ensure that the parts will be intact during transportation?
The items we ship will be packaged in anti-static bags, ensuring ESD anti-static protection, while the outer packaging boasts exceptional durability and sealing. We offer packaging options like Tape and Reel, Cut Tape, Tube, or Tray to suit your needs.




Payment
Which payment methods can be used to pay for goods
Accepted payment methods commonly encompass VISA, MasterCard, UnionPay, Western Union, PayPal, and various other options.
Should you have a particular payment preference or wish to seek information on rates and other specifics, please feel free to reach out to us.




