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KTY81-221
Bulk PTC Thermistors Temperature Sensor
KTY81-221
Bulk PTC Thermistors Temperature Sensor
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Certification
We have successfully obtained various certification standards and have established our own professional testing laboratory. This ensures that every product we supply to our customers meets the highest quality standards. We adhere to strict testing protocols to maintain the consistency and accuracy of our products. To ensure that our products are original and genuine, we also collaborate with reputable third-party testing facilities to conduct rigorous quality testing. Our commitment to quality extends to meeting industry, legal, regulatory, and ISO 9001:2015 requirements.
Shipping & Payment
Shipping & Payment
About Shipping
We generally ship orders within a few business days through reliable shipping carriers such as FedEx, SF, UPS, or DHL. We also have support for other shipping methods. If you would like to inquire about specific shipping details or costs, please don't hesitate to reach out to us.
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Service & Packaging
Service & Packaging
About After Sales Service
All Parts Extended Quality Guarantee
Initiate the application within 90 days from the shipment date.
Confirm the return or exchange with our staff.
Maintain the goods in their original condition as received.
Lastly, please note that the eligibility for return or exchange of goods is subject to an assessment of the actual condition of the returned items. We will evaluate the received goods before finalizing the return or exchange process. If you have any inquiries or require further assistance regarding returns or exchanges, please don't hesitate to contact us at [email protected]
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Regarding packaging, our products are carefully packed in anti-static bags to provide ESD anti-static protection. The outer packaging is durable with secure closure. We support various packaging methods such as Tape and Reel, Cut Tape, Tube, or Tray.
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KTY81-221 DataSheet
Current price plan is under preparation. Please contact our customer service team for the latest pricing information. Thank you for your understanding and support!
Details
The KTY81/221 is a temperature sensor manufactured by Infineon Technologies. It is a silicon temperature sensor with a negative temperature coefficient (NTC), commonly used in various electronic applications to measure temperature accurately.The sensor provides a linear output voltage proportional to temperature, making it ideal for precise temperature measurement and control in a range of -55°C to 150°C. It has a small, surface-mount package with three pins for easy integration into circuit boards.The KTY81/221 has a high accuracy and stability over a wide temperature range, making it reliable for temperature monitoring in industrial, automotive, and consumer electronic applications. It has low power consumption and a fast response time, allowing for quick and accurate temperature readings.
Key Features
Application
Specifications
The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.
| Pbfree Code | Yes | Rohs Code | Yes |
| Part Life Cycle Code | Active | Reach Compliance Code | compliant |
| Analog IC - Other Type | ANALOG CIRCUIT | JESD-609 Code | e3 |
| Moisture Sensitivity Level | NOT APPLICABLE | Peak Reflow Temperature (Cel) | NOT SPECIFIED |
| Qualification Status ! | Not Qualified | Terminal Finish | TIN |
| Time@Peak Reflow Temperature-Max (s) | NOT SPECIFIED |
Datasheet PDF
Datasheets record the features, absolute maximum ratings, applications and more of the device, which benefit a lot as an overall guide to the specific application of the part.
FAQs
What is KTY81-221?
The KTY81-221 is a temperature sensor semiconductor device manufactured by Infineon Technologies. It is specifically designed to measure temperature accurately over a wide temperature range, making it suitable for various temperature sensing applications.
How Does KTY81-221 Work?
The KTY81-221 works based on the temperature-dependent resistance of the semiconductor material it is made of. As the temperature changes, the resistance of the sensor changes in a predictable way, allowing for accurate temperature measurement. The sensor can be interfaced with appropriate circuitry to convert the resistance changes into temperature readings.
How Many Pins does KTY81-221 have and What are the Functions of the Pinout Configuration?
The KTY81-221 is typically housed in a TO-92 package with three pins. The pinout configuration includes:
- Voltage Supply Pin: Connect this pin to the power supply for the sensor.
- Data Pin: This pin outputs the temperature-dependent resistance value.
- Ground Pin: Connect this pin to the ground of the circuit.
What are the Pros and Cons of KTY81-221?
Pros:
- Wide Temperature Range: Suitable for applications spanning a broad temperature spectrum.
- Accuracy: Provides accurate and reliable temperature measurement.
- Simple Interface: Easy to interface with basic measurement circuits.
Cons:
- Single Function: Designed specifically for temperature sensing, limiting its versatility for other applications.
- External Signal Processing: May require additional circuitry for temperature conversion and interpretation.
Are There Any Equivalents/Alternatives to KTY81-221 for Recommendation?
- The LM35 from Texas Instruments and the DS18B20 from Maxim Integrated are popular alternatives for temperature sensing applications.
- Equivalents to the KTY81-221 include the TMP36 from Analog Devices and the MCP9700 from Microchip Technology.
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