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Programmable Resolution Digital Thermometer Nyfea FT18B20 1 Wire Sensor with Unique Serial Number

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Programmable Resolution Digital Thermometer Nyfea FT18B20 1 Wire Sensor with Unique Serial Number

Humidity Tolerance : -

Resolution : 12bit

Temperature Range : -55℃~+125℃

Humidity : -

Temperature Tolerance : ±0.5℃

Description : -55℃~+125℃ TO-92 Humidity, Moisture Sensors RoHS

Mfr. Part # : FT18B20

Model Number : FT18B20

Package : TO-92

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Product Overview

The FT18B20 is a programmable resolution 1-Wire digital thermometer offering 9-bit to 12-bit Celsius temperature measurements with a user-definable nonvolatile alarm function. It communicates via a single data line, simplifying distributed temperature sensing applications and requiring no external components. The device can be powered directly from the data line (parasite power) or via an external VDD supply, with a voltage range of 2.5V to 5.5V. It features a measuring range of -55C to +125C with 0.5C accuracy from -10C to +70C. Each chip has a unique 64-bit serial number, enabling multidrop capability for up to 50 devices on a single bus. The FT18B20 boasts superb electrostatic protection (HBM 7000V, MM 700V) and is available in a 3-pin TO-92 package.

Product Attributes

Brand: Nyfea
Part No: FT18B20
Package: 3-pin TO-92

Technical Specifications

Specification	Details
Interface	1-Wire
Power Supply	2.5V ~ 5.5V (Data line or VDD)
Measuring Range	-55C to +125C
Accuracy	0.5C from -10C to +70C
Resolution	User Selectable: 9 to 12 Bits
Conversion Time	750ms (Max for 12-Bit)
Unique Identifier	64-bit Serial Number per chip
Multidrop Capability	Simplifies distributed sensing applications (up to 50 recommended)
Alarm Function	User-Definable Nonvolatile (NV) Alarm Settings (TH and TL)
Alarm Search Command	Identifies devices outside programmed limits
Electrostatic Protection	HBM 7000V, MM 700V
Application Scenarios	Temperature control, Industrial systems, Consumer goods, Grain temperature measurement, Thermometers, Any thermal system

2509101515_Nyfea-FT18B20_C51901046.pdf

Programmable Resolution Digital Thermometer Nyfea FT18B20 1 Wire Sensor with Unique Serial Number Images

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