NTC ThermistorDHT Type Glass Axial Type for Temperature Sensing/Compensation Features 1. 2. 3. 4. 5. RoHS compliant Body size 2mm 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 2 xL4max 4 5 6 Definition of B Value A B25/85 B B25/50 7 Zero Power Resistance at 25 (R25) 102 103 473 1K 10K 47K 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) 281 4max Chip 0.50.02 Structure and Dimensions 281 0.70.9 Unit:mm THINKING ELECTRONIC INDUSTRIAL CO., LTD. All specifications are subject to change without notice 60 www.thinking.com.tw 2012.08 NTC ThermistorDHT Type Glass Axial Type for Temperature Sensing/Compensation Electrical Characteristics Part No. DHT0A502355* DHT0B103355* DHT0A10334D* DHT0A103347* DHT0A10339H* DHT0B203395* DHT0B303395* DHT0B473395* DHT0B503395* DHT0B104400* DHT0A10439H* DHT0A104430* DHT0B204395* DHT0A204400* DHT0B204435* Zero Power Resistance at 25C Tolerance of R25 R25 (K) ( %) 5 10 10 10 10 20 30 47 50 100 100 100 200 200 200 123 510 B Value Tolerance of B Value Max. Power Dissipation at 25 Dissipation Factor Thermal Time Constant (K) (%) Pmax(mW) (mW/C) (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 23 120 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)xPmax 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 2012.08 NTC ThermistorDHT Type Glass Axial Type for Temperature Sensing/Compensation R-T Characteristic Curves 10,000 1,000 Resistance(K) 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 2012.08 NTC ThermistorDHT Type Glass Axial Type for Temperature Sensing/Compensation Soldering Recommendation Wave Soldering Profile Preheating Soldering Cooling Temperature 260 Max Note 2 Note 3 13020 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 2012.08 NTC ThermistorDHT 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 101 sec. Tensile Strength of Terminations IEC 60068-2-21 Terminal diameter Force (mm) (Kg) 0.3