NTC Thermistor: :DHT Type Glass Axial Type for Temperature Sensing/Compensation Features 1. 2. 3. 4. 5. RoHS compliant Body size ψ2mm X 4mm Axial lead glass-sealed -40 ~ +200℃ operating temperature range 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 Product Type Size Thinking DHT NTC thermistor DHT type 0 ψ2 ×L4max 4 5 6 Zero Power Resistance at 25℃ (R25) 102 103 473 1KΩ 10KΩ 47KΩ 7 8 9 Tolerance of R25 F G H J K ±1% ±2% ±3% ±5% ±10% B Value First Two Digits 31 32 : ︰ 40 41 ︰ Definition of B Value A B25/85 B B25/50 10 30 31 32 : ︰ 40 41 ︰ 11 12 B Value Last Two Digits 0 A 1 B 2 ︰ H 8 J 9 K 00 05 10 15 20 ︰ 75 80 85 90 95 13 14 15 Tolerance of B Value 2 3 16 Optional Suffix Y ±2% ±3% RoHS compliant Appearance S Sn-plated CP wire 2max Glass CP Wire (Sn-Plated) 4max 28±1 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 1 www.thinking.com.tw 2010.06 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 B25/85 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) UL cUL √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ -40~+200 Note 1: □ = Tolerance of R25 Note 2: * = Tolerance of B value Note3: UL/cUL File No E138827 Max. Power Dissipation Derating Curve TU:Maximum operating temperature (℃) 100% TL:Minimum operating temperature (℃) PTa/Pmax 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 2 www.thinking.com.tw 2010.06 √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ 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 3 www.thinking.com.tw 2010.06 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 Note 1: (1~3℃)/sec Note 2: Approx. 200℃/sec Note 3: 5℃/sec. (Max) Tamb 30~90 sec. <1 sec. 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 4 www.thinking.com.tw 2010.06 NTC Thermistor: :DHT Type Glass Axial Type for Temperature Sensing/Compensation Reliability Item Standard Test conditions / Methods Specifications Gradually applying the force specified and keeping the unit fixed for 10±1 sec. Tensile Strength of Terminations IEC60068-2-21 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°, then return to the original po sition. Repeat the procedure in the opposite direction. Bending Strength of Terminations Solderability Resistance to Soldering Heat High Temperature Storage Damp Heat, Steady State IEC60068-2-21 Terminal diameter Force (mm) (Kg) 0.3<d≦0.5 0.25 No visible damage IEC60068-2-20 245 ± 3 ℃ , 3 ± 0.3 sec At least 95% of terminal electrode is covered by new solder IEC60068-2-20 260 ± 3 ℃ , 10 ± 1 sec No visible damage ∣△R25/R25∣≦ 3 % IEC60068-2-2 200 ± 5 ℃ , 1000 ± 24 hrs No visible damage ∣△R25/R25∣≦ 5 % 40 ± 2℃ , IEC60068-2-3 No visible damage ∣△R25/R25∣≦ 3 % 90~95% RH , 1000 ± 24 hrs The conditions shown below shall be repeated 5 cycles Rapid Change of IEC60068-2-14 Temperature Max. Power Dissipation Step Temperature (℃) Period (minutes) 1 -40±5 30±3 2 Room temperature 5±3 3 200±5 30±3 4 Room temperature 5±3 IEC 60539-1 THINKING ELECTRONIC INDUSTRIAL Co., LTD. All specifications are subject to change without notice 25 ± 5℃, Pmax., 1000 ± 24 hrs 5 No visible damage ∣∣R25/R25∣≦ 3 % No visible damage ∣∣R25/R25∣≦ 5 % www.thinking.com.tw 2010.06 NTC Thermistor: :DHT Type Glass Axial Type for Temperature Sensing/Compensation Packaging Taping Specification Tape Tape P Z L1 L2 S W S T T Type W= 52mm W P |L1-L2| T Z S 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: 5000 pcs/reel ● Ammo Packing: 5000 pcs/box 340±10 31±1 25 5± 2 83±2 80±2 75±1 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 6 www.thinking.com.tw 2010.06