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LM235Z Precision Celsius Temperature Sensor 1anddeg;C Accuracy 2anddeg;C to 150anddeg;C Range Linear 10mV/anddeg;C Output Easy Calibration Wide 4V-30V Supply Low Self-Heating TO-92 Package
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Features
■ Directly calibrated in anddeg;K
■ 1anddeg;C initial accuracy
■ Operates from 450andmicro;A to 5mA
■ Less than 1andOmega; dynamic impedance
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Applications
Temperature Measurement andamp; Monitoring Systems
Used in industrial equipment, HVAC systems and other applications requiring precise temperature detection, featuring andplusmn;1anddeg;C high accuracy and linear output.
Automotive Electronics
Monitors engine temperature, cabin environment temperature, etc., supporting wide voltage range (4V-30V) and automotive-grade temperature requirements.
Consumer Electronics
Integrated into appliances (refrigerators, air conditioners) for temperature control, benefiting from low self-heating error and stable performance.
Medical Equipment
Used in thermometers, patient monitors and other devices requiring high temperature accuracy to ensure measurement reliability.
Data Acquisition Systems
Serves as front-end sensor for ADCs, providing linear 10mV/anddeg;C output to simplify signal processing circuit design.
Industrial Process Control
Used in PLC/DCS systems for process temperature monitoring, supporting extended -40anddeg;C to +125anddeg;C range (LM235AZ version).
Laboratory Instruments
Integrated into constant temperature baths, incubators, etc., achieving high-precision temperature control through single-point calibration.
Cost-Effective Temperature Sensing Solutions
Replaces complex solutions like thermocouples, with TO-92 package enabling easy prototyping and small-scale production.
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Description
The LM135, LM235, LM335 are precision temperature sensors which can be easily calibrated. They operate as a 2-terminal Zener and the breakdown voltage is directly proportional to the absolute temperature at 10mV/anddeg;K.
The circuit has a dynamic impedance of less than 1andOmega; and operates within a range of current from 450andmicro;A to 5mA without alteration of its characteristics.
Calibrated at +25anddeg;C, the LM135, LM235, and LM335 have a typical error of less than 1anddeg;C over a 100anddeg;C temperature range. Unlike other sensors, the LM135, LM235, LM335 have a linear output.
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INFORMATION
Category | andnbsp; | |
Manufacturer | STMicroelectronics | andnbsp; |
Series | - | andnbsp; |
Packaging | Bulk | andnbsp; |
Part Status | Last Time Buy | andnbsp; |
Sensor Type | Analog, Local | andnbsp; |
Sensing Temperature - Local | -40anddeg;C ~ 125anddeg;C | andnbsp; |
Sensing Temperature - Remote | - | andnbsp; |
Output Type | Analog Voltage | andnbsp; |
Voltage - Supply | - | andnbsp; |
Resolution | 10mV/anddeg;K | andnbsp; |
Features | - | andnbsp; |
Accuracy - Highest (Lowest) | andplusmn;1.5anddeg;C | andnbsp; |
Test Condition | -40anddeg;C ~ 125anddeg;C | andnbsp; |
Operating Temperature | -40anddeg;C ~ 125anddeg;C | andnbsp; |
Mounting Type | Through Hole | andnbsp; |
Package / Case | TO-226-3, TO-92-3 (TO-226AA) | andnbsp; |
Supplier Device Package | TO-92-3 | andnbsp; |
Base Product Number |
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Drawing
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