TMP117 High Accuracy Digital Temperature Sensor Probe

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TMP117 High Accuracy Digital Temperature Sensor Probe for Precision Monitoring Thermostats and Temperature Logging

Model：FST Series-TMP117
Key Feature：Digital Output
MOQ(Standard)：500 pcs
MOQ(Customized)：TBD
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Description

Model：FST Series-TMP117

Key Feature：Digital Output

MOQ(Standard)：500 pcs

MOQ(Customized)：TBD

Fucusens Solution

From TMP117 Sensor IC to a Ready-to-Integrate Temperature Probe

A high-accuracy digital sensor IC alone may not solve the complete equipment integration requirement. The finished sensor also needs to match the sensing position, probe structure, cable, connector and installation environment.

Our Capability	What It Solves	Value to Your Business
TMP117 Digital Sensor	Conventional sensor accuracy is insufficient	High-accuracy digital temperature measurement
16-Bit Temperature Output	Higher measurement resolution is required	0.0078°C temperature resolution
Low-Power Operation	Battery-powered equipment has limited power	Suitable for power-sensitive applications
Wide Supply Range	Different systems use different supply voltages	1.8V to 5.5V compatibility
Programmable Alert	Temperature thresholds need monitoring	Supports temperature limit functions
Custom Probe Structure	Bare IC cannot be installed directly	Easier mechanical integration
Custom Cable	Standard cable does not fit equipment	Matches installation requirements
Custom Connector & Pinout	Equipment interfaces are different	Easier direct connection

Typical Applications

Application	Typical Customer	Recommended Solution	Why This Configuration
Electronic Thermometers	Thermometer and measurement equipment manufacturers	High-accuracy TMP117 digital temperature probe	±0.1°C maximum accuracy supports precision measurement
Wireless Environmental Sensors	Wireless monitoring and IoT equipment manufacturers	Low-power TMP117 sensor assembly	Low operating and shutdown current support battery-powered systems
Thermostats	Thermostat and controller manufacturers	TMP117 sensor with programmable alert	Digital temperature data and alert limits support control functions
Automotive Test Equipment	Automotive test and measurement equipment manufacturers	Customized TMP117 temperature probe	Wide operating range supports temperature testing
Temperature Data Logging	Data logger and monitoring equipment manufacturers	High-accuracy digital temperature probe	16-bit output and high resolution support precise recording
Portable Electronic Devices	Electronic equipment manufacturers	Compact low-power TMP117 sensor	Small sensing element and low power support compact equipment

Technical Specifications & Selection Guide

Parameter	Specification	Selection Notes
Sensing Element	Texas Instruments TMP117	High-accuracy digital temperature sensor
Temperature Output	16-bit	Digital temperature result
Resolution	0.0078°C	High-resolution measurement
Accuracy	±0.1°C max. from -20°C to +50°C	Precision measurement range
Extended Accuracy	±0.3°C max. from -55°C to +150°C	Wide temperature range
Operating Temperature	-55°C to +150°C	According to TMP117 specification
Supply Voltage	1.8V to 5.5V	Match controller supply
Supply Current	3.5μA at 1Hz conversion cycle	Low-power operation
Shutdown Current	150nA	Power-saving applications
Temperature Alert	Programmable	Configurable temperature limits
Probe Structure	Customizable	According to installation
Cable	Customizable	According to equipment
Connector	Customizable	According to controller interface

Product Structure & Selection Guide

Temperature Range — Confirm normal and maximum operating temperature.

Required Accuracy — Determine the accuracy required within the actual measurement range.

Probe Structure & Size — Match the installation space and sensing position.

Probe Material — Select according to the operating environment and mechanical requirements.

Supply Voltage — Confirm compatibility with the 1.8V to 5.5V supply range.

Cable Length — Match the distance between the sensor and controller.

Connector & Pinout — Match the existing equipment interface.

Operating Environment — Confirm moisture, vibration and other environmental requirements.

3 Common Mistakes When Selecting a Pipe-Mounted NTC Sensor

Common Mistake	Problem	Better Approach
Assuming ±0.1°C Applies Across the Entire Range	±0.1°C maximum accuracy only applies from -20°C to +50°C	Confirm accuracy requirements according to the actual operating temperature range
Focusing Only on the Sensor IC	A high-accuracy IC still requires suitable probe structure and sensing position	Evaluate the complete solution: TMP117 + Probe + Installation
Ignoring the Electrical Interface	Incorrect supply voltage, wiring, connector or pinout may delay integration	Confirm the complete electrical interface before sample production

From TMP117 Sensor IC to a Ready-to-Integrate Temperature Probe

Our Capability	What It Solves	Value to Your Business
TMP117 Digital Sensor	Conventional sensor accuracy is insufficient	High-accuracy digital temperature measurement
16-Bit Temperature Output	Higher measurement resolution is required	0.0078°C temperature resolution
Low-Power Operation	Battery-powered equipment has limited power	Suitable for power-sensitive applications
Wide Supply Range	Different systems use different supply voltages	1.8V to 5.5V compatibility
Programmable Alert	Temperature thresholds need monitoring	Supports temperature limit functions
Custom Probe Structure	Bare IC cannot be installed directly	Easier mechanical integration
Custom Cable	Standard cable does not fit equipment	Matches installation requirements
Custom Connector & Pinout	Equipment interfaces are different	Easier direct connection

Application	Typical Customer	Recommended Solution	Why This Configuration
Electronic Thermometers	Thermometer and measurement equipment manufacturers	High-accuracy TMP117 digital temperature probe	±0.1°C maximum accuracy supports precision measurement
Wireless Environmental Sensors	Wireless monitoring and IoT equipment manufacturers	Low-power TMP117 sensor assembly	Low operating and shutdown current support battery-powered systems
Thermostats	Thermostat and controller manufacturers	TMP117 sensor with programmable alert	Digital temperature data and alert limits support control functions
Automotive Test Equipment	Automotive test and measurement equipment manufacturers	Customized TMP117 temperature probe	Wide operating range supports temperature testing
Temperature Data Logging	Data logger and monitoring equipment manufacturers	High-accuracy digital temperature probe	16-bit output and high resolution support precise recording
Portable Electronic Devices	Electronic equipment manufacturers	Compact low-power TMP117 sensor	Small sensing element and low power support compact equipment

Technical Data

Parameter	Specification	Selection Notes
Sensing Element	Texas Instruments TMP117	High-accuracy digital temperature sensor
Temperature Output	16-bit	Digital temperature result
Resolution	0.0078°C	High-resolution measurement
Accuracy	±0.1°C max. from -20°C to +50°C	Precision measurement range
Extended Accuracy	±0.3°C max. from -55°C to +150°C	Wide temperature range
Operating Temperature	-55°C to +150°C	According to TMP117 specification
Supply Voltage	1.8V to 5.5V	Match controller supply
Supply Current	3.5μA at 1Hz conversion cycle	Low-power operation
Shutdown Current	150nA	Power-saving applications
Temperature Alert	Programmable	Configurable temperature limits
Probe Structure	Customizable	According to installation
Cable	Customizable	According to equipment
Connector	Customizable	According to controller interface

Sensor Construction & Selection Guide

Temperature Range — Confirm normal and maximum operating temperature.

Required Accuracy — Determine the accuracy required within the actual measurement range.

Probe Structure & Size — Match the installation space and sensing position.

Probe Material — Select according to the operating environment and mechanical requirements.

Supply Voltage — Confirm compatibility with the 1.8V to 5.5V supply range.

Cable Length — Match the distance between the sensor and controller.

Connector & Pinout — Match the existing equipment interface.

Operating Environment — Confirm moisture, vibration and other environmental requirements.

3 Common Mistakes When Selecting a Clamp-Mount NTC Sensor

1. Assuming ±0.1°C Applies Across the Entire Range

The specified ±0.1°C maximum accuracy applies from -20°C to +50°C. Better: confirm accuracy according to your actual operating range.

2. Focusing Only on the Sensor IC

A high-accuracy IC still needs the correct probe structure and sensing position. Better: evaluate the TMP117 + Probe + Installation as a complete sensing solution.

3. Ignoring the Electrical Interface

The probe must also match the controller's supply voltage, wiring, connector and pinout. Better: confirm the complete electrical interface before sample production.

Digital Sensor Performance Depends on Both Electronics and Assembly

For a DS18B20 temperature probe, reliable operation depends on: Sensor Function + Wiring + Probe Structure + Cable + Connector + Mounting.

Incoming Material Inspection

• TMP117 sensing components checked according to specification

• Probe materials verified before production

• Cable specifications confirmed

• Connectors checked according to customer requirements

Process Control

• Sensor connection controlled during assembly

• Sensing position maintained according to design

• Cable wiring checked

• Connector and pinout verified

• Probe dimensions checked according to approved drawing

Finished Product Inspection

Test Item	Verification
Sensor Function	Digital temperature output check
Temperature Measurement	According to confirmed test requirement
Probe Dimensions	According to approved drawing
Cable Length	According to specification
Connector	According to confirmed model
Pinout	According to approved wiring definition
Electrical Connection	Functional check before shipment
Appearance	Finished assembly inspection

If You Are an Equipment Manufacturer / OEM

Common Problem	What It Means for Your Business
Temperature accuracy is not sufficient	Standard sensing solutions may not meet precision measurement requirements
Power consumption is too high	Battery-powered and wireless equipment requires lower sensor current
A bare sensor IC cannot be installed directly	Additional probe, wiring and mechanical design are still required
Standard probe dimensions do not fit	Different equipment requires different sensing positions and structures
Cable or connector does not match	Secondary wiring increases assembly time
Pinout does not match the controller	Electrical incompatibility delays product integration

If You Are a Distributor / Importer

Common Problem	What It Means for Your Business
One standard probe cannot cover different projects	Customers require different probe dimensions and structures
Customers use different connectors	Fixed connection options limit OEM projects
Customers require different cable lengths	Standard assemblies cannot directly fit every application
Accuracy requirements vary by application	Sensor selection must consider the actual temperature range
Customers need a complete probe, not only an IC	Probe assembly capability becomes important for project conversion

Need More Than a TMP117 Sensor IC?

The TMP117 provides the digital sensing performance, but your equipment still needs the right: Probe + Cable + Connector + Pinout + Installation Structure

Send us your drawing, existing sensor or application requirements.

Get a High-Accuracy Digital Temperature Probe Configured for Your Equipment.

Sample Support

Standard Samples — Available according to current specifications and stock.

Customized Samples — Available after specification confirmation.

Probe Customization — Structure and dimensions according to application.

Cable Customization — Length and specification according to equipment.

Connector Matching — According to existing equipment interface.

Pinout Matching — According to controller requirements.

Application Support — Support for temperature range, accuracy and probe configuration.

Sample Validation Before Mass Production

We recommend confirming: Temperature Accuracy → Temperature Response → Probe Structure → Cable → Connector → Pinout → Installation. For customized assemblies, sample testing under the actual installation condition is recommended before mass production.

Quality Assurance

Sensor Component — According to confirmed TMP117 specification.

Probe Dimensions — According to approved drawing.

Cable & Wiring — According to confirmed requirements.

Connector & Pinout — According to equipment interface.

Customized Products — Specifications confirmed before mass production.

Finished Assembly — Functional verification before shipment.

MOQ & Lead Time

Standard Product MOQ — Contact us for current MOQ.

Customized MOQ — Depends on probe, cable and connector requirements.

Standard Lead Time — Contact us for current production schedule.

Customized Lead Time — Depends on assembly requirements.

Sample Lead Time — Confirmed after specification review.

Cooperation Process: Application Review → Temperature & Accuracy Confirmation → Probe Design → Cable / Connector → Pinout Confirmation → Drawing Approval → Sample Testing → Pilot Order → Mass Production

Q1: What sensor IC is used?

The sensor uses the Texas Instruments TMP117 digital temperature sensor.

Q2: What is the temperature accuracy?

The supplied specification states ±0.1°C maximum from -20°C to +50°C and ±0.3°C maximum from -55°C to +150°C.

Q3: What is the resolution?

0.0078°C.

Q4: What is the operating temperature range?

-55°C to +150°C.

Q5: What is the supply voltage?

1.8V to 5.5V.

Q6: Is it suitable for low-power applications?

Yes. The supplied specification lists 3.5μA at a 1Hz conversion cycle and 150nA shutdown current.