BR42KA502M

NTC Type BR Series Glass Encapsulated Bead Thermistors Features Type BR11/14/16/25 Type B32/42/55 Small glass encapsulated bead thermistors on fine diameter alloy lead-wires. Large glass encapsulated bead thermistors on fine diameter platinum alloy lead-wires. • Suitable for most low cost temperature measurement, control or compensation applications • Suitable for most low cost temperature measurement, control or compensation applications • Very fast thermal response times • Fast thermal response times • Rugged glass encapsulation provides hermetic seal and better strain relief than small glass coated bead thermistors • Rugged glass encapsulation provides hermetic seal and better strain relief than large glass coated bead thermistors • Long term stability is better than small glass coated bead thermistors • Long term stability is better than large glass coated bead thermistors • Suitable for self-heated applications such as liquid level sensing or gas flow measurement • Suitable for self-heated applications such as liquid level sensing or gas flow measurement • Recommended for all applications where the customer will perform further assembly operations • Recommended for all applications where the customer will perform further assembly operations • Normal operating/storage temperatures range from • 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 • -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 • Unaffected by severe environmental exposures, including nuclear radiation • Unaffected by severe environmental exposures, including nuclear radiation • Intermittent operation to 1112°F (600°C) is permissible, however, stability will be degraded • Intermittent operation to 1112°F (600°C) is permissible, however, stability will be degraded Amphenol Advanced Sensors Type BR Series Specifications Type BR11/14/16/23 Thermal and Electrical Properties The following lists the thermal and electrical properties for all small ruggedized thermistors. All definitions and test methods per MIL-PRF-23648. Body Dimensions BR11 • Nominal diameter: 0.011 in (0.28 mm) • Maximum diameter: 0.012 in (0.30 mm) • Maximum length: 0.0242 in (0.610 mm) BR14 • Nominal diameter: 0.014 in (0.36 mm) • Maximum diameter: 0.016 in (0.41 mm) • Maximum length: 0.032 in (0.81 mm) BR16 • Nominal diameter: 0.016 in (0.41 mm) • Maximum diameter: 0.017 in (0.43 mm) • Maximum length: 0.034 in (0.86 mm) BR23 • Nominal diameter: 0.023 in (0.58 mm) • Maximum diameter: 0.025 in (0.63 mm) • Maximum length: 0.056 in (1.46 mm) Lead-Wires BR11 • Nominal diameter: 0.0007 in (0.02 mm) • Maximum lead length: 0.312 in (7.9 mm) • Lead material: platinum alloy • Available cuts: “K” adjacent or “P” opposite BR14 • Nominal diameter: 0.0011 in (0.03 mm) • Maximum lead length: 0.312 in (7.9 mm) • Lead material: platinum alloy • Available cuts: “K” adjacent or “P” opposite BR16 • Nominal diameter: 0.0011 in (0.03 mm) • Maximum lead length: 0.312 in (7.9 mm) • Lead material: platinum alloy • Available cuts: “K” adjacent or “P” opposite BR23 • Nominal diameter: 0.002 in (0.05 mm) • Maximum lead length: 0.312 in (8 mm) • Lead material: platinum alloy • Available cuts: “K” adjacent or “P” opposite 2 Type BR Series dimensions Material System 25/125 Ratio (Table A) Nominal Resistance Range at 77°F (25°C) Code Letter R vs T Curve E 0 5.0 A 1 11.8 1 to 1.5 kΩ 300 to 680 Ω 300 to 680 Ω 300 to 680 Ω A 2 12.5 1.5 to 3.6 kΩ 680 to 1.6 kΩ 680 to 1.6 kΩ 680 to 1.6 kΩ A 3 14 3.6 to 7.5 kΩ 1.6 to 3.6 kΩ 1.6 to 3.6 kΩ 1.6 to 3.6 kΩ A 4 16.9 7.5 to 15 kΩ 3.6 to 6.8 kΩ 3.6 to 6.8 kΩ 3.6 to 6.8 kΩ A 5 19.8 15 to 51 kΩ 6.8 to 27 kΩ 6.8 to 27 kΩ 6.8 to 27 kΩ A 6 22.1 A 7 22.7 51 to 150 kΩ B 8 29.4 150 to 270 kΩ 75 to 130 kΩ 75 to 130 kΩ 75 to 130 kΩ B 9 30.8 270 to 470 kΩ 130 to 240 kΩ 130 to 240 kΩ 130 to 240 kΩ BR11 BR14 BR16 _ _ _ _ _ 27 to 75 kΩ _ 27 to 75 kΩ BR23 _ _ 27 to 75 kΩ B 10 32.3 470 to 750 kΩ 240 to 360 kΩ 240 to 360 kΩ 240 to 360 kΩ B 11 35.7 750 to 1.6 MΩ 360 to 820 kΩ 360 to 820 kΩ 360 to 820 kΩ B 12 38.1 1.6 to 2.7 MΩ 820 to 1.3 MΩ 820 to 1.3 MΩ 820 to 1.3 MΩ B 13 45 2.7 to 6.8 MΩ 1.3 to 3.36 MΩ 1.3 to 3.36 MΩ 1.3 to 3.36 MΩ 6.8 to 10 MΩ 3.3 to 6.86 MΩ 3.3 to 6.86 MΩ 3.3 to 6.86 MΩ 6.8 to 10 MΩ 6.8 to 10 MΩ B 14 48.1 B 15 56.5 _ D 16 75.6 _ _ _ _ D 17 81 _ _ _ _ Thermal Time Constant BR11 • Still air at 77°F (25°C): 0.8 second • Plunge into water: 12 msec BR14 • Still air at 77°F (25°C): 1 second • Plunge into water: 14 msec BR16 • Still air at 77°F (25°C): 1.2 second • Plunge into water: 16 msec BR23 • Still air at 77°F (25°C): 1.7 second • Plunge into water: 40 msec 6.8 to 10 MΩ Type BR Series Specifications Dissipation Constant Type BR32/42/55 BR11 • Still air at 77°F (25°C): 0.065 mW/°C • Still water at 77°F (25°C): 0.33 mW/°C Thermal and Electrical Properties BR14 • Still air at 77°F (25°C): 0.10 mW/°C • Still water at 77°F (25°C): 0.50 mW/°C BR16 • Still air at 77°F (25°C): 0.12 mW/°C • Plunge into water: 0.60 mW/°C BR23 • Still air at 77°F (25°C): 0.18 mW/°C • Plunge into water: 0.9 mW/° Power Rating (In Air) BR11 • Maximum Power Rating: 0.007 W • 100% Maximum Power To: 257°F (125°C) • Derated to 0% at: 572°F (300°C) BR14 • Maximum Power Rating: 0.015 W • 100% Maximum Power To: 257°F (125°C) • Derated to 0% at: 572°F (300°C) BR16 • Maximum Power Rating: 0.015 W • 100% Maximum Power To: 257°F (125°C) • Derated to 0% at: 572°F (300°C) BR23 • Maximum Power Rating: 0.020 W • 100% Maximum Power To: 257°F (125°C) • Derated to 0% at: 572°F (300°C) Options • • • • • • • • • • • Non-standard resistance tolerances Non-standard resistance values Specify reference temperature(s) if it is not 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_specify temperature(s) Interchangeable pairs or sets, R-vs-T curve matching; specify temperature range(s) and tolerance(s) Special aging and conditioning for high reliability applications The following lists the thermal and electrical properties for all large ruggedized thermistors. All definitions and test methods per MIL-PRF-23648. Body Dimensions BR32 • Nominal diameter: 0.032 in (0.81 mm) • Maximum diameter: 0.033 in (0.84 mm) • Maximum length: 0.084 in (2.1 mm) BR42 • Nominal diameter: 0.042 in (1.16 mm) • Maximum diameter: 0.046 in (1.2 mm) • Maximum length: 0.095 in (2.4 mm) BR55 • Nominal diameter: 0.055 in (1.41 mm) • Maximum diameter: 0.060 in (1.5 mm) • Maximum length: 0.120 in (3 mm) Lead-Wires BR32 • Nominal diameter: 0.003 in (0.08 mm) • Maximum lead length: 0.312 in (7.9 mm) • Lead material: platinum alloy • Available cuts: “K” adjacent or “P” opposite BR42 • Nominal diameter: 0.004 in (0.10 mm) • Maximum lead length: 0.312 in (7.9 mm) • Lead material: platinum alloy • Available cuts: “K” adjacent or “P” opposite BR55 • Nominal diameter: 0.004 in (0.10 mm) • Maximum lead length: 0.312 in (7.9 mm) • Lead material: platinum alloy • Available cuts: “K” adjacent or “P” opposite Thermal Time Constant BR32 • Still air at 77°F (25°C): 4.5 second • Plunge into water: 90 msec BR42 • Still air at 77°F (25°C): 5 second • Plunge into water: 140 msec BR55 • Still air at 77°F (25°C): 7 second • Plunge into water: 200 msec 3 Material System Code Letter R vs T Curve Options (Table B) Nominal Resistance Range at 77°F (25°C) 25/125 Ratio BR32 BR42 BR55 E 0 5.0 - 30 to 51 Ω 30 to 51 Ω A 1 11.8 100 to 300 Ω 51 to 150 Ω 51 to 150 Ω A 2 12.5 300 to 750 Ω 150 to 360 Ω 150 to 360 Ω A 3 14 750 to 1.5 kΩ 360 to 750 Ω 360 to 750 Ω A 4 16.9 1.5 to 3.0 kΩ 750 to 1.5 kΩ 750 to 1.5 kΩ A 5 19.8 3.0 to 6.8 kΩ 1.5 to 3.6 kΩ 1.5 to 3.6 kΩ A 6 22.1 6.8 to 13 kΩ 3.6 to 6.2 kΩ 3.6 to 6.2 kΩ A 7 22.7 13 to 18 kΩ 6.2 to 9.1 kΩ 6.2 to 9.1 kΩ B 8 29.4 18 to 51 kΩ 9.1 to 27 kΩ 9.1 to 27 kΩ B 9 30.8 51 to 82 kΩ 27 to 43 kΩ 27 to 43 kΩ B 10 32.3 82 to 150 kΩ 43 to 75 kΩ 43 to 75 kΩ B 11 35.7 150 to 330 kΩ 75 to 160 kΩ 75 to 160 kΩ B 12 38.1 330 to 680 kΩ 160 to 360 kΩ 160 to 360 kΩ B 13 45 680 to 1.5 MΩ 360 to 750 kΩ 360 to 750 kΩ • • • • • • • • • • • Non-standard resistance tolerances Non-standard resistance values Specify reference temperature(s) if it is not 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_specify temperature(s) Interchangeable pairs or sets, R-vs-T curve matching; specify temperature range(s) and tolerance(s) Special aging and conditioning for high reliability applications Ordering Information B 14 48.1 1.5 to 3.0 MΩ 750 to 1.5 MΩ 750 to 1.5 MΩ The code number to be ordered may be specified as follows: B 15 56.5 3.0 to 6.2 MΩ 1.5 to 3.0 MΩ 1.5 to 3.0 MΩ Code Type D 16 75.6 6.2 to 10 MΩ 3.0 to 8.2 MΩ 3.0 to 8.2 MΩ BR Ruggedized bead structure D 17 81 8.2 to 20 MΩ 8.2 to 20 MΩ Code 11 14 16 23 32 42 55 - Dissipation Constant BR32 • Still air at 77°F (25°C): 0.285 mW/°C • Still water at 77°F (25°C): 1.4 mW/°C BR42 • Still air at 77°F (25°C): 0.33 mW/°C • Still water at 77°F (25°C): 1.65 mW/°C BR55 • Still air at 77°F (25°C): 0.5 mW/°C • Still water at 77°F (25°C): 2.50 mW/°C Power Rating (In Air) BR32 • Maximum Power Rating: 0.035 W • 100% Maximum Power To: 302°F (150°C) • Derated to 0% at: 572°F (300°C) BR42 • Maximum Power Rating: 0.042 W • 100% Maximum Power To: 302°F (150°C) • Derated to 0% at: 572°F (300°C) BR55 • Maximum Power Rating: 0.050 W • 100% Maximum Power To: 302°F (150°C) • Derated to 0% at: 572°F (300°C) Amphenol Advanced Sensors Diameter 11 mils 14 mils 16 mils 23 mils 32 mils 42 mils 55 mils Code K P Lead Configuration Adjacent leads with stub ends glass coated Opposite leads Code X Material System Code See table A or table B for code number Code Power X Zero-power resistance as 77°F (25°C) (see note 2 for code number) BR - ____ - ____ - ____ - ____ - Code Tolerance* F 1 G 2 J 5 K 10 L 15 M 20 N 25 P 30 Q 40 R 50 S Non-standard (consult factory) ____ Typical model number Special tolerances are available upon request. Consult factory for special resistance tolerances, nonstandard resistances and/or non-standard temperatures. *The zero-power resistance at 77°F (25°C), expressed inΩ, is identified by a three digit code number. The first two digits represent significant figures, and the last digit specifies the number of zeros to follow. Example: 10k Ω= “103”. The standard resistance values are from the 24-Value series decade as specified in Military Standard MS90178. 1.0 / 1.1 / 1.2 / 1.3 / 1.5 / 1.6 / 1.8 / 2.0 / 2.2 / 2.4 / 2.7 / 3.0 3.3 / 3.6 / 3.9 / 4.3 / 4.7 / 5.1 / 5.6 / 6.2 / 6.8 / 7.5 / 8.2 / 9.1 www.amphenol-sensors.com © 2014 Amphenol Corporation. All Rights Reserved. Specifications are subject to change without notice. Other company names and product names used in this document are the registered trademarks or trademarks of their respective owners. AAS-920-308B - 09/2014