NTC Thermistor：DHT Type Glass Axial Type for Temperature Sensing/Compensation Features 1. 2. 3. 4. 5. RoHS compliant Body size Ф2mm X 4mm Axial lead glass-sealed Operating temperature range: -40℃~+200℃ Agency recognition: UL / cUL Recommended Applications 1. Home appliances (air conditioner, refrigerator, electric fan, electric cooker, washing machine, microwave oven, drinking machine, CTV, radio.) 2. Automotive electronics 3. Heaters Part Number Code 1 2 3 Size Product Type THINKING DHT NTC Thermistor DHT Series 0 Ф2 ×L4max 4 5 6 Definition of B Value A B25/85 B B25/50 7 Zero Power Resistance at 25℃ (R25) 102 103 473 1KΩ 10KΩ 47KΩ 8 9 10 Tolerance of R25 F G H J K ±1% ±2% ±3% ±5% ±10% 11 12 B Value 34D 355 39H 435 3435 3550 3975 4350 13 14 Tolerance of B Value 2 3 ±2% ±3% 15 16 Optional Suffix Y RoHS Compliant Appearance S Sn-plated CP wire 2max Glass CP Wire (Sn-Plated) 28±1 4max Chip 0.5±0.02 Structure and Dimensions 28±1 0.70.9 Unit:mm THINKING ELECTRONIC INDUSTRIAL CO., LTD. All specifications are subject to change without notice 60 www.thinking.com.tw 2015.05 NTC Thermistor：DHT Type Glass Axial Type for Temperature Sensing/Compensation Electrical Characteristics Part No. DHT0A502□355* DHT0B103□355* DHT0A103□34D* DHT0A103□347* DHT0A103□39H* DHT0B203□395* DHT0B303□395* DHT0B473□395* DHT0B503□395* DHT0B104□400* DHT0A104□39H* DHT0A104□430* DHT0B204□395* DHT0A204□400* DHT0B204□435* Zero Power Resistance at 25°C Tolerance of R25 R25 (KΩ) ( ±%) 5 10 10 10 10 20 30 47 50 100 100 100 200 200 200 1、2、3、 5、10 B Value Tolerance of B Value Max. Power Dissipation at 25℃ Dissipation Factor Thermal Time Constant (K) (±%) Pmax(mW) δ(mW/°C) τ(Sec.) 25/85 25/50 25/85 25/85 25/85 25/50 25/50 25/50 25/50 25/50 25/85 25/85 25/50 25/85 25/50 3550 3550 3435 3470 3975 3950 3950 3950 3950 4000 3975 4300 3950 4000 4350 2、3 120 ≧2 ≦10 Operating Safety Temperature Approvals Range TL~TU(°C) -40～+200 Note 1: □ = Tolerance of R25 * = Tolerance of B value Note 2: UL/cUL File No: E138827 Note 3: Special specifications are available upon request. UL cUL Max. Power Dissipation Derating Curve TU : Maximum operating temperature (℃) 100% TL : Minimum operating temperature (℃) For example: Ambient temperature (Ta) = 55℃ Maximum operating temperature (TU) = 200℃ PTa = (TU-Ta)/(TU-25)×Pmax 83% Pmax 0 TL 0 25 TU Ambient temperature (℃) THINKING ELECTRONIC INDUSTRIAL CO., LTD. All specifications are subject to change without notice 61 www.thinking.com.tw 2015.05 NTC Thermistor：DHT Type Glass Axial Type for Temperature Sensing/Compensation R-T Characteristic Curves 10,000 1,000 Resistance(KΩ) 100 10 1 DHT0A104□39H*SY DHT0B303□395*SY DHT0A103□34D*SY 0 DHT0A103□39H*SY DHT0A502□355*SY 0 -40 -20 0 20 40 60 80 100 120 140 160 180 200 Temperature (℃ ) THINKING ELECTRONIC INDUSTRIAL CO., LTD. All specifications are subject to change without notice 62 www.thinking.com.tw 2015.05 NTC Thermistor：DHT Type Glass Axial Type for Temperature Sensing/Compensation Soldering Recommendation Wave Soldering Profile Preheating Soldering Cooling Temperature 260℃ Max Note 2 Note 3 130±20℃ Note 1 (1~3℃)/sec. Note 2: Approx. 200℃/sec. Note 3: 5℃/sec. (Max.) Tamb 30~90 sec. ＜1 sec. Note 1: Time ＜10 sec. Recommended Reworking Conditions With Soldering Iron Item Conditions Temperature of Soldering Iron-tip 360℃ (max.) Soldering Time 3 sec. (max.) Distance from Thermistor 2 mm (min.) THINKING ELECTRONIC INDUSTRIAL CO., LTD. All specifications are subject to change without notice 63 www.thinking.com.tw 2015.05 NTC Thermistor：DHT Type Glass Axial Type for Temperature Sensing/Compensation Reliability Item Standard Test conditions / Methods Specifications Gradually apply the force specified and keep the unit fixed for 10±1 sec. Tensile Strength of Terminations IEC 60068-2-21 Terminal diameter Force (mm) (Kg) 0.3<d≦0.5 0.5 No visible damage Hold specimen and apply the force specified below to each lead. Bend the specimen to 90°, and then return to the original position. Repeat the procedure in the opposite direction. Bending Strength of Terminations Solderability IEC 60068-2-21 Terminal diameter Force (mm) (Kg) 0.3<d≦0.5 0.25 IEC 60068-2-20 Resistance to Soldering IEC 60068-2-20 Heat High Temperature IEC 60068-2-2 Storage Damp Heat, IEC 60068-2-78 Steady State No visible damage 245 ± 3 ℃, 3± 0.3 sec At least 95% of terminal electrode is covered by new solder 260 ± 3 ℃, 10 ± 1 sec No visible damage ∣△R25/R25∣≦ 3 % 200 ± 5 ℃ , 1000 ± 24 hrs No visible damage ∣△R25/R25∣≦ 5 % 40 ± 2℃ , 90~95% RH , 1000 ± 24 hrs No visible damage ∣△R25/R25∣≦ 3 % The conditions shown below shall be repeated 5 cycles. Rapid Change of IEC 60068-2-14 Temperature Max. Power Dissipation IEC 60539-1 4.26.3 THINKING ELECTRONIC INDUSTRIAL CO., LTD. All specifications are subject to change without notice Step Temperature (℃) Period (minutes) 1 -40 ± 5 30 ± 3 2 Room temperature 5±3 3 200 ± 5 30 ± 3 4 Room temperature 5±3 25 ± 5℃, Pmax., 1000 ± 24 hrs 64 No visible damage ∣△R25/R25∣≦ 3 % No visible damage ∣△R25/R25∣≦ 5 % www.thinking.com.tw 2015.05 NTC Thermistor：DHT Type Glass Axial Type for Temperature Sensing/Compensation Packaging Taping Specification Tape Tape P Z L1 S L2 W S T T Item W P |L1-L2| T Z S Max. 27 5.5 1 7 1.2 0.8 Min. 25 4.5 0 5 0 0 Max. 53 5.5 1 7 1.2 0.8 Min. 51 4.5 0 5 0 0 Quantity Bulk Packing: 500 pcs/bag Reel Packing: 5,000 pcs/reel ● Ammo Packing: 5,000 pcs/box 340±10 31±1 80min 75±1 25 5± 2 83±2 80±2 Warehouse Storage Conditions of Products Storage Conditions : 1. Storage Temperature: -10℃~+40℃ 2. Relative Humidity: ≦75%RH 3. Keep away from corrosive atmosphere and sunlight. Period of Storage : 1 year THINKING ELECTRONIC INDUSTRIAL CO., LTD. All specifications are subject to change without notice 65 www.thinking.com.tw 2015.05