NTC Type B Series Glass Coated Bead Thermistors Features Type B05/07/10/14 Type B35/43 Small glass coated bead thermistors on fine diameter platinum alloy lead-wires. Large glass coated bead thermistors on fine diameter platinum alloy lead-wires. • Extremely small sizes • Very fast thermal response times • Suitable for most low cost temperature measurement, control or compensation applications. • Low heat capacity and high power sensitivity • Special thin glass coatings provide hermetic seal • Special thin glass coatings provide hermetic seal • Suitable for self-heated applications such as liquid level sensing or gas flow measurement • Suitable for self-heated applications such as: gas chromatography, thermal conductivity analysis or gas flow measurement • 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 • Unaffected by severe environmental exposures, including nuclear radiation • Intermittent operation to 1112°F (600°C) is permissible, however, stability will be degraded Amphenol Advanced Sensors • 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 • Unaffected by severe environmental exposures, including nuclear radiation • Intermittent operation to 1112°F (600°C) is permissible, however, stability will be degraded Type B Series Specifications Type B05/07/10/14 B14 Thermal and Electrical Properties • • • • The following lists the thermal and electrical properties for all small glass coated thermistors. All definitions and test methods per MILPRF-23648. Nominal diameter: 0.0011 in (0.03 mm) Maximum lead length: 0.312 in (7.9 mm) Lead material: platinum alloy Available cuts: “J” adjacent (stubs), “K” adjacent or “P” opposite Body Dimensions B05 • Nominal diameter: 0.005 in (0.13 mm) • Maximum diameter: 0.0065 in (0.17 mm) • Maximum length: 0.012 in (0.30 mm) B07 • Nominal diameter: 0.007 in (0.18 mm) • Maximum diameter: 0.00850 in (0.22 mm) • Maximum length: 0.014 in (0.36 mm) B10 • Nominal diameter: 0.010 in (0.25 mm) • Maximum diameter: 0.0115 in (0.29 mm) • Maximum length: 0.020 in (0.510 mm) B14 • Nominal diameter: 0.014 in (0.36 mm) • Maximum diameter: 0.016 in (0.417 mm) • Maximum length: 0.030 in (0.76 mm) Lead-Wires B05 • Nominal diameter: 0.0007 in (0.02 mm) • Maximum lead length: 0.312 in (7.9 mm) • Lead material: platinum alloy • Available cuts: “J” adjacent (stubs), “K” adjacent or “P” opposite Material System (Table A) Nominal Resistance Range at 77°F (25°C) Code Letter R vs T Curve 25/125 Ratio E 0 5.0 _ _ _ _ A 1 11.8 1 to 1.5 kΩ 1 to 1.5 kΩ 300 to 680 Ω 300 to 680 Ω B05 B07 B10 B14 A 2 12.5 1.5 to 3.6 kΩ 1.5 to 3.6 kΩ 680 to 1.6 kΩ 680 to 1.6 kΩ A 3 14 3.6 to 7.5 kΩ 3.6 to 7.5 kΩ 1.6 to 3.6 kΩ 1.6 to 3.6 kΩ A 4 16.9 7.5 to 15 kΩ 7.5 to 15 kΩ 3.6 to 6.8 kΩ 3.6 to 6.8 kΩ B07 • Nominal diameter: 0.0007 in (0.02 mm) • Maximum lead length: 0.312 in (7.9 mm) • Lead material: platinum alloy • Available cuts: “J” adjacent (stubs), “K” adjacent or “P” opposite A 5 19.8 15 to 3.6 kΩ 15 to 51 kΩ 6.8 to 27 kΩ 6.8 to 27 kΩ A 6 22.1 _ _ _ _ A 7 22.7 51 to 150 kΩ 51 to 150 kΩ 27 to 75 kΩ 27 to 75 kΩ B 8 29.4 150 to 270 kΩ 150 to 270 kΩ 75 to 130 kΩ 75 to 130 kΩ B 9 30.8 270 to 470 kΩ 270 to 470 kΩ 130 to 240 kΩ 130 to 240 kΩ B 10 32.3 470 to 750 kΩ 470 to 750 kΩ 240 to 360 kΩ 240 to 360 kΩ B10 B 11 35.7 750 to 1.6 MΩ 750 to 1.6 MΩ 360 to 820 kΩ 360 to 820 kΩ • • • • 2 Type B05/07/10/14 and Type B35/43 dimensions Nominal diameter: 0.0011 in (0.03 mm) Maximum lead length: 0.312 in (7.9 mm) Lead material: platinum alloy Available cuts: “J” adjacent (stubs), “K” adjacent or “P” opposite B 12 38.1 1.6 to 2.7 MΩ 1.6 to 2.7 MΩ 820 to 1.3 MΩ 820 to 1.3 MΩ B 13 45 2.7 to 6.8 MΩ 2.7 to 6.8 MΩ 1.3 to 3.36 MΩ 1.3 to 3.36 MΩ B 14 48.1 6.8 to 10 MΩ 6.8 to 10 MΩ 3.3 to 6.86 MΩ 3.3 to 6.86 MΩ B 15 56.5 _ _ 6.8 to 10 MΩ 6.8 to 10 MΩ D 16 75.6 _ _ _ _ D 17 81 _ _ _ _ Type B Series Specifications Thermal Time Constant Options B05 • Still air at 77°F (25°C): 0.12 second • Plunge into water: 5.0 msec • Non-standard resistance tolerances • Non-standard resistance values • Reference temperature(s) other than 77°F (25°C)specify • 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-specify temperature(s) • Interchangeable pairs or sets, R-vs-T curve matchingspecify temperature range(s) and tolerance(s) • Special aging and conditioning for high reliability applications B07 • Still air at 77°F (25°C): 0.23 second • Plunge into water: 7.0 msec B10 • Still air at 77°F (25°C): 0.5 second • Plunge into water: 10 msec B14 • Still air at 77°F (25°C): 1 second • Plunge into water: 15 msec Dissipation Constant B05 • Still air at 77°F (25°C): 0.045 mW/°C • Still water at 77°F (25°C): 0.23 mW/°C B07 • Still air at 77°F (25°C): 0.06 mW/°C • Still water at 77°F (25°C): 0.3 mW/°C B10 • Still air at 77°F (25°C): 0.09 mW/°C • Plunge into water: 0.45 mW/°C B14 • Still air at 77°F (25°C): 0.10 mW/°C • Plunge into water: 0.50 mW/°C Power Rating (In Air) B05 • Maximum Power Rating: 0.006 W • 100% Maximum Power To: 77°F (25°C) • Derated to 0% at: 392°F (200°C) B07 • Maximum Power Rating: 0.008 W • 100% Maximum Power To: 77°F (25°C) • Derated to 0% at: 392°F (200°C B10 • Maximum Power Rating: 0.010 W • 100% Maximum Power To: 77°F (25°C) • Derated to 0% at: 392°F (200°C) B14 • Maximum Power Rating: 0.014 W • 100% Maximum Power To: 77°F (25°C) • Derated to 0% at: 392°F (200°C) Type B35/43 Thermal and Electrical Properties The following lists the thermal and electrical properties for all large glass coated thermistors. All definitions and test methods per MIL-PRF-23648. Body Dimensions B35 • Nominal diameter: 0.035 in (0.893 mm) • Maximum diameter: 0.043 in (1.1 mm) • Maximum length: 0.075 in (1.9 mm) B43 • Nominal diameter: 0.043 in (1.1 mm) • Maximum diameter: 0.050 in (1.32 mm) • Maximum length: 0.100 in (2.5 mm) Lead-Wires B35 • Nominal diameter: 0.004 in (0.10 mm) • Maximum lead length: 0.312 in (7.9 mm) • Lead material: platinum alloy • Available cuts: “J” adjacent (stubs), “K” adjacent or “P” opposite B43 • Nominal diameter: 0.004 in (0.102 mm) • Maximum lead length: 0.312 in (7.9 mm) • Lead material: platinum alloy • Available cuts: “J” adjacent (stubs), “K” adjacent or “P” opposite 3 Material System Code Letter R vs T Curve Options (Table B) Nominal Resistance Range at 77°F (25°C) B35 B43 25/125 Ratio E 0 5.0 30 to 51 Ω A 1 11.8 51 to 150 Ω 30 to 51 Ω 51 to 150 Ω A 2 12.5 150 to 360 Ω 150 to 360 Ω A 3 14 360 to 750 Ω 360 to 750 Ω A 4 16.9 750 to 1.5 kΩ 750 to 1.5 kΩ A 5 19.8 1.5 to 3.6 kΩ 1.5 to 3.6 kΩ A 6 22.1 3.6 to 6.2 kΩ 3.6 to 6.2 kΩ • • • • • • • • • Non-standard resistance tolerances Non-standard resistance values Reference temperature(s) other than 77°F (25°C) - specify 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 - 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 A 7 22.7 6.2 to 9.1 kΩ 6.2 to 9.1 kΩ B 8 29.4 9.1 to 27 kΩ 9.1 to 27 kΩ B 9 30.8 27 to 43 kΩ 27 to 43 kΩ B 10 32.3 43 to 75 kΩ 43 to 75 kΩ B 11 35.7 75 to 160 kΩ 75 to 160 kΩ Ordering Information B 12 38.1 160 to 360 kΩ 160 to 360 kΩ The code number to be ordered may be specified as follows: B 13 45 360 to 750 kΩ 360 to 750 kΩ Code Type B 14 48.1 750 to 1.5 MΩ 750 to 1.5 MΩ B Glass coated bead structure B 15 56.5 1.5 to 3.0 MΩ 1.5 to 3.0 MΩ D 16 75.6 3.0 to 8.2 MΩ 3.0 to 8.2 MΩ D 17 81 8.2 to 20 MΩ 8.2 to 20 MΩ • Code 05 07 10 14 35 43 Thermal Time Constant B35 • Still air at 77°F (25°C): 4.5 second • Plunge into water: 100 msec B43 • Still air at 77°F (25°C): 5.5 second • Plunge into water: 140 msec Dissipation Constant B35 • Still air at 77°F (25°C): 0.30 mW/°C • Still water at 77°F (25°C): 1.50 mW/°C B43 • Still air at 77°F (25°C): 0.35 mW/°C • Still water at 77°F (25°C): 2.00 mW/°C Power Rating (In Air) B35 • Maximum Power Rating: 0.035 W • 100% Maximum Power To: 302°F (150°C) B43 • Maximum Power Rating: 0.035 W • 100% Maximum Power To: 302°F (150°C) • Derated to 0% at: 572°F (300°C) Amphenol Advanced Sensors Diameter 05 mils 07 mils 10 mils 14 mils 35 mils 43 mils Code J K P Lead Configuration Adjacent leads Adjacent leads with stub ends glass coated Opposite leads Code X Material System Code See table A or table B for code number Code X Power Zero-power resistance as 77°F (25°C) (see note 2 for code number) Code F G J K L M N P Q R S B - ____ - ____ - ____ - ____ - Tolerance* 1 2 5 10 15 20 25 30 40 50 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 inΩ, 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-920-177B - 09/2014