NTC Thermistor TTF Series Insulation Film Type for Temperature Sensing/Compensation Features 1. 2. 3. 4. 5. RoHS compliant Halogen-Free (HF) series are available Radial leaded insulation film coated Operating temperature range: -40~+100 Agency recognition: UL / cUL Recommended Applications 1. Home appliances 2. Computers 3. Battery packs Part Number Code 1 2 3 Product Type THINKING TTF NTC Thermistor TTF Series 4 Size 3 W:3.6mm 5 6 Definition of B Value A B25/85 B B25/50 7 8 Zero Power Resistance at 25 (R25) 102 1K 103 10K 473 47K 9 10 Tolerance of R25 F G H J K 1% 2% 3% 5% 10% 11 12 B Value 338 34D 395 39H 405 3380 3435 3950 3975 4050 13 14 15 Tolerance of B Value 1 2 3 16 Optional Suffix Y RoHS Compliant RoHS & HF Compliant 1% 2% 3% H A L:25mm solder part 5mm B L:50mm solder part 5mm Appearance Structure and Dimensions THINKING ELECTRONIC INDUSTRIAL CO., LTD. All specifications are subject to change without notice. 52 www.thinking.com.tw 2013.08 NTC Thermistor TTF Series Insulation Film Type for Temperature Sensing/Compensation Electrical Characteristics Part No. Zero Power Resistance at 25C Tolerance of R25 B Value Tolerance of B value R25 (K) ( %) (K) (%) 3435 3435 TTF3A50234D* 5 3435 TTF3A10334D* 10 TTF3A20334D* 20 TTF3A22334D* 22 TTF3A30339H* 30 3975 TTF3A10434D* 100 3435 1, 2, 3, 5 25/85 Max. Safety Thermal Operating Dissipation Power Time Temperature Approvals Factor Dissipation Constant Range at 25C UL cUL Pmax(mW) (mW/C) (Sec.) TL~TU(C) 3435 2, 3 1, 2, 3 3.5 Approx. 0.7 Approx. 5 -40 ~ +100 2,3 Note 1: = Tolerance of R25 * = Tolerance of B value Note 2: UL/cUL File No: E138827 Note 3: Special specifications are available upon request. Max. Power Dissipation Derating Curve TU: Maximum operating temperature () 100% TL : Minimum operating temperature () For example: Ambient temperature(Ta) = 55 Maximum operating temperature(TU) = 100 PTa = (TU-Ta)/(TU-25)xPmax = 60% Pmax 0 TL 0 25 TU Ambient temperature () THINKING ELECTRONIC INDUSTRIAL CO., LTD. All specifications are subject to change without notice. 53 www.thinking.com.tw 2013.08 NTC Thermistor TTF Series Insulation Film Type for Temperature Sensing/Compensation R-T Characteristic Curves TTF3A50234D*~ TTF3A10434D* 10000 1 1000 2 3 4 5 Resistance(K ) 100 6 1:TTF3A10434D* 2:TTF3A30339H* 3:TTF3A22334D* 4:TTF3A20334D* 5:TTF3A10334D* 6:TTF3A50234D* 10 1 0.1 -40 -30 -20 -10 0 10 20 30 40 50 60 70 80 90 100 Temperature ( ) Soldering Recommendation Wave Soldering Profile Preheating Cooling Soldering Temperature 260 Max Note 2 Note 3 13020 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 Coating Do not touch film bottom THINKING ELECTRONIC INDUSTRIAL CO., LTD. All specifications are subject to change without notice. 54 www.thinking.com.tw 2013.08 NTC Thermistor TTF Series Insulation Film Type for Temperature Sensing/Compensation Reliability Item Standard Test conditions / Methods Specifications Gradually apply the specified force and keep the unit fixed for 101 sec. Tensile Strength of Terminals Terminal cross-sectional area IEC 60068-2-21 2 Force (mm ) (Kg) 0.05<S0.1 0.25 No visible damage Hold specimen and apply the force specified below to each lead. Bend the specimen to 90, and then return to the ori ginal position. Repeat the procedure in the opposite direction. Bending Strength of Terminals IEC 60068-2-21 Terminal cross-sectional area 2 No visible damage Force (mm ) (Kg) 0.05<S0.1 0.125 Solderability IEC 60068-2-20 245 3, 3 0.3 sec. At least 95% of terminal electrode is covered by new solder Resistance to Soldering Heat IEC 60068-2-20 260 3, 10 1 sec. No visible damage R25/R25 3 % IEC 600C68-2-2 100 5, 1000 24 hrs IEC 60068-2-78 40 2, 90~95% RH, 1000 24 hrs No visible damage R25/R25 5 % No visible damage R25/R25 3 % High Temperature Storage Damp Heat, Steady State The conditions shown below shall be repeated 5 cycles. Rapid Change of Temperature IEC 60068-2-14 Max. Power Dissipation IEC 60539-1 Step 1 2 3 4 Temperature () -40 5 Room temperature 100 5 Room temperature Period (minutes) 30 3 53 30 3 53 25 5, Pmax. , 1000 24 hrs No visible damage R25/R25 3 % No visible damage R25/R25 5 % Packaging Bulk Packing: 500 pcs/ bag 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. 55 www.thinking.com.tw 2013.08