LM235Z Precision Celsius Temperature Sensor 1°C Accuracy 2°C to 150°C Range Linear 10mV/°C Output Easy Calibration Wide 4V-30V Supply Low Self-Heating TO-92 Package
Features
■ Directly calibrated in °K
■ 1°C initial accuracy
■ Operates from 450µA to 5mA
■ Less than 1Ω dynamic impedance
Applications
Temperature Measurement & Monitoring Systems
Used in industrial equipment, HVAC systems and other applications requiring precise temperature detection, featuring ±1°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/°C output to simplify signal processing circuit design.
Industrial Process Control
Used in PLC/DCS systems for process temperature monitoring, supporting extended -40°C to +125°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.
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/°K.
The circuit has a dynamic impedance of less than 1Ω and operates within a range of current from 450µA to 5mA without alteration of its characteristics.
Calibrated at +25°C, the LM135, LM235, and LM335 have a typical error of less than 1°C over a 100°C temperature range. Unlike other sensors, the LM135, LM235, LM335 have a linear output.
INFORMATION
| Category | | |
| Manufacturer | | |
| Series | | |
| Packaging | | |
| Part Status | | |
| Sensor Type | | |
| Sensing Temperature - Local | | |
| Sensing Temperature - Remote | | |
| Output Type | | |
| Voltage - Supply | | |
| Resolution | | |
| Features | | |
| Accuracy - Highest (Lowest) | | |
| Test Condition | | |
| Operating Temperature | | |
| Mounting Type | | |
| Package / Case | TO-226-3, TO-92-3 (TO-226AA) | |
| Supplier Device Package | | |
| Base Product Number | |
Drawing
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LM235Z Precision Celsius Temperature Sensor 1°C Accuracy 2°C to 150°C Range Linear 10mV/°C Output Easy Calibration Wide 4V-30V Supply Low Self-Heating Images
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