GE Measurement & Control Solutions NTC Diode Thermometrics Thermistors A range of NTC chip thermistors in DO-35 style glass package (diode outline) with axial soldercoated copper-clad steel wires. • Available on axial bandolier to IEC-286-1/ EIA-468A and packet taped to EIA RS-481 for MELF. • Designed for accurate temperature measurement, control and compensation • Also available loose-packed with axial, radial and SMD wire forms • Tight tolerances on resistance and B value • Suitable for automotive, telecom (battery packs), HVAC and white goods applications • Operation up to 482°F (250°C) with excellent stability • Glass body provides hermetic seal and voltage insulation and excellent stability • Designed for cost effective solid state sensor • Lead-wires metallurgically bonded to thermistor element for improved reliability (Type GE only) • Resistant to corrosive atmospheres and harsh environments • Temperature sensing for household appliances such as rice cookers, electronic ranges, ovens, etc. • Temperature sensing for industrial products such as pharmaceuticals, chemicals, food, etc.components. Type DK Specifications 0.02 in (0.5 mm) nominal 0.08 in (2 mm) maximum DK-N Chip thermistor in DO-35 glass package Options • Other resistance values within the ranges shown; e.g. code DKA302*2 for 3000 Ω ±2% at 77°F (25°C) • Reference temperatures in the range 0°F to 302°F (-18°C to 150°C) • Operation to 572°F (300°C) (no solder coating on wires) • Wire lengths 0.16 in to 1.26 in (4 mm to 32 mm) ±0.04 in (±1 mm) for DK-N; up to 1.02 in (26 mm) for DK-H 1.06 in (27 mm) minimum 0.2 in (4.2 mm) maximum DK-H 0.08 in (2 mm) 0.16 in (4 mm) nominal maximum Inside radius 0.05 in (1.2 mm) nominal Ø 0.02 in (0.5 mm) 0.1 in (2.8 mm) nominal 0.8 in (19.5 mm) ±1 Coding NTC Type DK wires should not be bent within 0.08 in (2 mm) of glass body Replace * in the codes shown below as follows: • Axial, loose-packed: N • Axial, bandoliered: B • Radial, loose-packed: H • Surface mount, loose-packed: M Data • Operating temperature: -40°F to 482°F (-40°C to 250°C) • Thermal time constant: 7 seconds (cooling in air) • Dissipation factor: 3.0 mW/K • Mass: 0.2 g • Packing/MOQ: 1000/box (loose), 5000/reel (bandoliered) R25 W Material system B 25/85 K Code R25 ±2% Code R25 ±3% Code R25 ±5% Code R25 ±10% 2000 2 3540 ±1% DKA202*2 DKA202*3 DKA202*5 DKA202*10 5000 2 3540 ±1% DKA502*2 DKA502*3 DKA502*5 DKA502*10 10,000 2 3540 ±1% DKA103*2 DKA103*3 DKA103*5 DKA103*10 10,000 5A 3730 ±2% DKC103*3 DKC103*5 DKC103*10 12,000 5A 3730 ±2% DKC123*2 DKC123*3 DKC123*5 DKC123*10 10,000 3 3960 ±1% DKF103*2 DKF103*3 DKF103*5 DKF103*10 20,000 3 3960 ±1% DKF203*2 DKF203*3 DKF203*5 DKF203*10 30,000 3 3960 ±1% DKF303*2 DKF303*3 DKF303*5 DKF303*10 50,000 3 3960 ±1% DKF503*2 DKF503*3 DKF503*5 DKF503*10 DKF104*2 DKF104*3 100,000 3 3960 ±1% 200,000 G 4263 ±2% DKF104*5 DKF104*10 DKG204*5 DKG204*10 500,000 D 4573 ±2% DKD504*5 DKD504*10 1,000,000 D 4573 ±2% DKD105*5 DKD105*10 See separate tables for resistance-temperature data.. Consult factory for additional tolerance requirements. Type DKM Specifications 0.09 in (2.2 mm) maximum Glass encapsulated SMD thermistor 0.04 in (1 mm) minimum 0.04 in (1 mm) minimum 0.2 in (4.2 mm) maximum Description 0.4 in (9.0 mm)/ 0.4 in (9.5 mm ) A range of thermistors in DO-35 style glass package (diode outline formed for surface lead-wires and applications) with solder-coated copper-clad steel lead-wires. NTC Type DKM wires should not be bent within 0.08 in (2 mm) of glass body Options Data • Other resistance values within the ranges shown; e.g. code DKA302M2 for 3000 Ω ±2% at 77°F (25°C) • Reference temperatures in the range 32°F to 302°F (0°C to 150°C) • For tape and reel, add suffix “AB” • Operation to 572°F (300°C); no solder coating on lead-wires • Operating temperature: -40°F to 482°F (-40°C to 250°C) • Thermal time constant: 7 seconds (cooling in air) • Dissipation factor: 3.0 mW/K • Mass: 0.2 g • Packing/MOQ: 1000/box (loose) R25 W Material System B 25/85 K Code R25 ±2% Code R25 ±3% Code R25 ±5% Code R25 ±10% 2000 2 3540 ±1% DKA202M2 DKA202M3 DKA202M*5 DKA202M10 5000 2 3540 ±1% DKA502M*2 DKA502M3 DKA502M5 DKA502M10 10,000 2 3540 ±1% DKA103M2 DKA103M3 DKA103M5 DKA103M10 10,000 5A 3730 ±2% DKC103M3 DKC103M5 DKC103M10 10,000 3 3960 ±1% DKF103M2 DKF103M3 DKF103M5 DKF103M10 20,000 3 3960 ±1% DKF203M2 DKF203M3 DKF203M5 DKF203M10 30,000 3 3960 ±1% DKF303M2 DKF303M3 DKF303M5 DKF303M10 50,000 3 3960 ±1% DKF503M2 DKF503M3 DKF503M5 DKF503M10 100,000 3 3960 ±1% DKF104M2 DKF104M3 DKF104M5 DKF104M10 200,000 G 4263 ±2% DKG204M5 DKG204M10 500,000 D 4573 ±2% DKD504M5 DKD504M10 D 4573 ±2% DKD105M5 DKD105M10 See separate tables for resistance-temperature data.. Consult factory for additional tolerance requirements. Type GE Specifications Tinned AWG 24 Glass encapsulated DO-35 package Options • For reel taping “R” suffix • Nickel leads for welding • Other resistances in the range 250 Ω to 5 MΩ • Other tolerances, tolerances at other temperatures • Alternative leads lengths, lead materials • Can be expanded to 572°F (300°C) with nickel leads 1.15 in (29.2 mm) ± 0.1 Material System Beta 25/85 Type Number 250 GE5.5* 2983 AL03006-165.9-55-K 500 GE5.5* 2983 AL03006-331.8-55-K AL03006-624-73-K 1K GE7.3 3499 2K GE7.3 3499 AL03006-1248-73-K 2786 GE10.1 4102 AL03006-1576-101-K 3K GE7.6 3553 AL03006-1847-76-K 4K GE7.6 3553 AL03006-2463-76-K 5K GE7.6 3553 AL03006-3079-76-K 10K GE9.7A 3992 AL03006-5818-97-K 20K GE9.8 3974 AL03006-11.7K-98-K 30K GE9.8 3974 AL03006-17.53K-98-K AL03006-29.1K-97-K 50K GE9.7B 3952 100K GE9.7B 3952 AL03006-58.2K-97-K 200K GE12.3 4365 AL03006-111.3K-123-K 500K GE13.8 4567 AL03006-269.8K-138-K 1M GE14.5 4661 AL03006-535K-145-K 5M GE16.4 4848 AL03006-2.6M-164-K *maximum operating temperature 302°F (150°C) 1.15 in (29.2 mm) ± 0.1 NTC Type GE dimensions Data Ro@25° C (W ) 0.155 in (3.93 mm) maximum • Standard resistance tolerance: ±10% @ 77°F (25°C) • Dissipation constant: 3.0 mW/K • Time constant: 7 seconds • Operating range: -58°F to 400°F (-50°C to 204°C Ø 0.075 in (1.9 mm) maximum Type MELF Specifications Tinned dumet contacts (2 places) Glass Ø 0.063 to 0.067 in (1.6 to 1.7 mm) Glass encapsulated SMD thermistor Description 0.016 to 0.022 in (0.41 to 0.56 mm) Hermetically sealed, glass encapsulated thermistor in SOD-80 SMD package. 0.13 to 0.146 in (3.3 to 3.71 mm) Options NTC Type MELF dimensions • For ±5% @ 77°F (25°C), replace “K” with “J” • For ±3% @ 77°F (25°C), replace “K” with “H” • For ±2% @ 77°F (25°C), replace “K” with “G” • For reel taping add “R” suffix • Other resistances in the range 250 Ω to 5 MΩ available • Other tolerances, tolerances at other temperatures Ro@25° C (W ) 0.016 to 0.022 in (0.41 to 0.56 mm) Material System Beta 25/85 Type Number 250 GE5.5* 2983 03006-165.9-55-K 500 GE5.5* 2983 03006-331.8-55-K 1K GE7.3 3499 03006-624-73-K 2K GE7.3 3499 03006-1248-73-K 2786 GE10.1 4102 03006-1576-101-K 3K GE7.6 3553 03006-1847-76-K 4K GE7.6 3553 03006-2463-76-K 5K GE7.6 3553 03006-3079-76-K 03006-5818-97-K 10K GE9.7A 3992 20K GE9.8 3974 03006-11.7K-98-K 30K GE9.8 3974 03006-17.53K-98-K 50K GE9.7B 3952 03006-29.1K-97-K 100K GE9.7B 3952 03006-58.2-97-K 200K GE12.3 4365 03006-111.3K-123-K 500K GE13.8 4567 03006-269.8K-138-K 1M GE14.5 4661 03006-535K-145-K 5M GE16.4 4848 03006-2.6M-164-K *maximum operating temperature 302°F (150°C) Data • Standard resistance tolerance: ±10% @ 77°F (25°C) • Dissipation constant: 3.0 mW/°C • Time constant: 7 seconds • Operating range: -58°F to 400°F (-50°C to Type TH Specifications 1.02 in (26 mm) minimum 0.17 in (4.2 mm) maximum 1.02 in (26 mm) minimum Ø 0.08 in (2 mm) maximum Glass encapsulated radial lead thermistor Ø 0.02in (0.5 mm) maximum Part Number Resistance (25 W ) β Constant (25/50) Recommended Maximum Operating Current at 77°F (25ºC) Maximum Permissible Current at 77°F (25ºC) TH220J33G 2.0 K 3375 K 0.22 mA 30.0 mA TH225J13G 2.545 K 3745 K 0.22 mA 30.0 mA TH238J34G 3.896 K 3434 K 0.20 mA 26.5 mA TH253J34G 5.369 K 3434 K 0.16 mA 24.0 mA TH310J34G 10.74 K 3434 K 0.13 mA 20.0 mA TH310J36G 10.0 K 3684 K 0.14 mA 20.0 mA TH310J39G 10.0 K 3933 K 0.14 mA 20.0 mA TH315J39G 15.0 K 3933 K 0.12 mA 17.0 mA TH320J39G 20.0 K 3952 K 0.10 mA 15.0 mA TH349J39G 49.12 K 3952 K 0.06 mA 10.0 mA TH350J39G 50.0 K 3952 K 0.06 mA 10.0 mA TH398J40G 98.63 K 4014 K 0.045 mA 5.0 mA TH410J40G 100.0 K 4014 K 0.045 mA 5.0 mA TH420J34G 200.0 K 3450 K 0.015 mA 3.5 mA TH423J41G 231.4 K 4176 K 0.015 mA 3.5 mA TH510J44G 1,000 K 4491 K 0.007 mA 1.5 mA TH513J44G 1,388 K 4491 K 0.005 mA 1.0 mA NTC Type TH dimensions • The tolerance of resistance is ±5% for standard device. • The tolerance of B constant is ±2% for standard device. The constant is determined by the equation: B = 3853.9 In (R25/R50) R25 and R50 represent the thermistor resistance at 77°F and 122°F (25°C and 50°C) respectively. • Others: For non-standard devices, consult GE. Dissipation Factor (in still air) Time Constant (in still air) Operating Temperature Range Rated Power at 77°F (25ºC) 2.0 (mW/ºC) 25 (seconds) -40°F to 482°F (-40°C to 250ºC) 25 mW www.gesensinginspection.com 920-320C © 2010 General Electric Company. All Rights Reserved. Specifications are subject to change without notice. GE is a registered trademark of General Electric Company. Other company or product names mentioned in this document may be trademarks or registered trademarks of their respective companies, which are not affiliated with GE.