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  • Thermometrics NTC Thermistors | Glass BR Series - Glass-Encapsulated Bead

NTC Thermistors

Thermometrics NTC Thermistors | Glass BR Series - Glass-Encapsulated Bead

    Glass

Thermometrics Glass Encapsulated Bead NTC Thermistor BR Series

Thermometrics BR Series of Glass-Encapsulated Bead Thermistors consists of glass-encapsulated bead thermistors on fine diameter (alloy or platinum) lead wires. Rugged glass encapsulation provides hermetic seal and better strain relief than glass-encapsulated bead thermistors. Suitable for self-heated applications, such as liquid level sensing or gas flow measurement. Recommended for applications where the customer will perform further assembly operations.

 

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  • Applications
  • Features
  • Type BR11/14/16/23
  • Type BR32/42/55
  • Product Documents
  • Part Nos.

Applications

  • Low cost temperature measurement, control and compensation
  • Self-heated applications, such as liquid level sensing or glass flow measurement
  • Applications where the customer will perform further assembly operations
  • Features

    • Fast thermal response times
    • Rugged glass encapsulation provides hermetic seal and better strain relief than glass-encapsulated bead thermistors
    • Long term stability
    • Unaffected by severe environmental exposures, including nuclear radiation
    • Normal operating/storage temperatures range from -112°F (-80°C) to: 221°F (105°C) for Material system E0, 392°F (200°C) for Material systems A1 through A4, 572°F (300°C) for Material systems A5 through D17
    • Intermittent operation to 600°C

    Type BR11/14/16/23

    Thermistor Series:  BR11 BR14 BR16 BR23
     Body Dimensions  Nominal Diameter 0.011 in (0.28 mm) 0.014 in (0.36 mm) 0.016 in (0.41 mm) 0.023 in (0.58 mm)
    Max Diameter 0.012 in (0.30 mm) 0.016 in (0.41 mm) 0.017 in (0.43 mm) 0.025 in (0.63 mm)
    Max Length 0.0242 in (0.610 mm) 0.032 in (0.81 mm) 0.034 in (0.86 mm) 0.056 in (1.46 mm)
    Lead Wires    Nominal Diameter 0.0007 in (0.02 mm) 0.0011 in (0.03 mm) 0.0011 in (0.03 mm) 0.002 in (0.05 mm)
    Max Lead Length 0.312 in (7.9 mm)
    Lead Material Platinum Alloy
    Available Cuts "K" adjacent or "P" opposite
    Thermal Time Constant  Still Air @ 25°C (77°F) 0.8 seconds 1 second 1.2 seconds 1.7 second
    Plunge into Water 12 msec 14 msec 16 msec 40 msec
    Dissipation Constant  Still Air @ 25°C (77°F) 0.065 mW/°C 0.10 mW/°C 0.12 mW/°C 0.18 mW/°C
    Still Water @ 25°C (77°F) 0.33 mW/°C 0.50 mW/°C 0.60 mW/°C 0.90 mW/°C
    Power Rating (In Air) Max Power Rating 0.007 W 0.015 W 0.015 W 0.020 W
    100% Max to: 125°C (257°F)
    Derated to 0% at: 300°C (572°F)
    Options
    • Non-standard resistance tolerances
    • Non-standard resistance values
    • Reference temperature(s) other than 77°F (25°C)
    • Mounting in special housings or enclosures
    • Longer continuous leads
    • Welded or soldered extension leads-specify lead material, diameter, length, and insulation, if any
    • Solderable or weldable/solderable leads
    • Leads can be pre-tinned or treated for improved soldering
    • Calibration
    • Interchangeable pairs or sets, R-vs-T curve matching
    • Special aging and conditioning for high reliability applications

    Type BR32/42/55

    Thermistor Series:  BR32 BR42 BR55
     Body Dimensions  Nominal Diamater 0.032 in (0.81 mm) 0.042 in (1.16 mm) 0.055 in (1.41 mm)
    Max Diameter 0.033 in (0.84 mm) 0.046 in (1.2 mm) 0.060 in (1.5 mm)
    Max Length 0.084 in (2.1 mm) 0.095 in (2.4 mm) 0.120 in (3 mm)
    Lead Wires    Nominal Diameter 0.003 in (0.08 mm) 0.004 in (0.10 mm) 0.004 in (0.10 mm)
    Max Lead Length 0.312 in (7.9 mm)
    Lead Material Platinum Alloy
    Available Cuts "K" adjacent or "P" opposite
    Thermal Time Constant  Still Air @ 25°C (77°F) 4.5 seconds 5 seconds 7 seconds
    Plunge into Water 90 msec 140 msec 200 msec
    Dissipation Constant  Still Air @ 25°C (77°F) 0.285 mW/°C 0.33 mW/°C 0.5 mW/°C
    Still Water @ 25°C (77°F) 1.4 mW/°C 1.65 mW/°C 2.50 mW/°C
    Power Rating (In Air) Max Power Rating 0.035 W 0.042 W 0.050 W
    100% Max to: 150°C (302°F)
    Derated to 0% at: 300°C (572°F)
    Options
    • Non-standard resistance tolerances
    • Non-standard resistance values
    • Reference temperature(s) other than 77°F (25°C)
    • Mounting in special housings or enclosures
    • Longer continuous leads
    • Welded or soldered extension leads-specify lead material, diameter, length, and insulation, if any
    • Solderable or weldable/solderable leads
    • Calibration
    • Interchangeable pairs or sets, R-vs-T curve matching
    • Special aging and conditioning for high reliability applications

    Product Documents

     

    English

    Thermometrics NTC Thermistors | Glass-Encapsulated BR Series Bead Thermistors Datasheet

    • Download

    PLG_CONTENT_EDOCMANCATEGORYTAGS_

    Thermometrics Application Spotlight | Cold Chain, Data Logging & Monitoring - Application Spotlight

    • Download

    English

    Thermometrics Application Spotlight | Thermistor Stability Benchmarking (Part 1) - Application Spotlight

    • Download

    Thermometrics Application Spotlight | NTC Sensor Linearization

    • Download

    Sensors for Healthcare | Amphenol Advanced Sensors - Brochure

    • Download

    Thermometrics Application Spotlight | Thermistor Stability Benchmarking (Part 2) - Application Spotlight

    • Download

    Thermometrics Application Spotlight | Thermistor Stability Benchmarking (Part 3) - Application Spotlight

    • Download

    Thermometrics Application Spotlight | Thermistors FAQ - Application Spotlight

    • Download

    Thermometrics Product Spotlight | Digital Temperature Sensors versus NTC Thermistors - Product Spotlight

    • Download

    Thermometrics Application Spotlight | Thermistor Stability Benchmarking (Part 5) - Application Spotlight

    • Download

    Thermometrics Application Spotlight | Thermistor Stability Benchmarking (Part 4) - Application Spotlight

    • Download

    English

    Thermometrics | Temperature Resistance Curves - Reference Guide

    • Download

    Temperature Sensor Solutions | Thermometrics - Brochure

    • Download

    Amphenol Advanced Sensors | Connecting Your World Through Sensing Innovations - OEM Product Catalog

    • Download

    Part Nos.

     Part numbers are described in the datesheet.

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