NTC Thermistor:TTC3 Series

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1 Features. RoHS compliant 2. Halogen-Free(HF) series are available 3. Body size: Ф3mm 4. Radial lead resin coated 5. Operating temperature range: -40 ~ Wide resistance range 7. Cost effective 8. Agency recognition: UL / TUV / CQC Recommended Applications. Home appliances 2. Computers 3. Digital meters 4. Switch mode power supplies 5. Adapters Part Number Code TTC Product Type NTC Thermistor TTC Series Body Size 3 Ф3mm Definition of B Value A B 25/85 B B 25/50 Zero Power Resistance at 25 (R 25 ) 02 KΩ 03 0KΩ KΩ Tolerance of R 25 F ±% G ±2% H ±3% J ±5% K ±0% B Value D H Tolerance of B Value ±% 2 ±2% 3 ±3% Optional Suffix RoHS Y Compliant RoHS & HF A Compliant Appearance E Straight lead, pitch 2.54mm, Ф0.5mm P Straight lead, pitch 5mm, Ф0.5mm L Wider Kink, pitch 2.54mm, Ф0.5mm Q Wider Kink, pitch 5mm, Ф0.5mm F Outer Kink, pitch 2.54mm, Ф0.5mm - -

2 Structure and Dimensions Straight Lead Wider Kink Outer Kink (Unit: mm) Lead Type P Dmax. Tmax. Hmax. Hmax. Imax. L d 2.54± Straight Lead 5± ~ ± ±0.02 Wider Kink 5± Outer Kink 2.54± ~

3 Electrical Characteristics Part No. Zero Power Resistance at 25 C Tolerance of R 25 B Value Tolerance of B value Max. Power Dissipation at 25 Dissipation Factor Thermal Time Constant Operating Temperature Range R 25 (KΩ) ( ±%) (K) (±%) P max (mw) δ(mw/ C) τ(sec.) T L ~T U ( C) Safety Approvals UL cul TUV CQC TTC3A90 39D* TTC3A02 39D* TTC3A52 39D* TTC3A202 39H* TTC3A222 39H* TTC3A272 39H* TTC3A302 39H* TTC3A332 39H* TTC3A472 39H* TTC3A * TTC3A482 39H* TTC3A502 39H* TTC3A682 39H* TTC3A03 34D* TTC3A03 374* TTC3A03 39H* TTC3A23 374* /85 TTC3A53 374* TTC3A * TTC3A * ~+25 5 TTC3A * TTC3A * TTC3A * TTC3A503 39H* TTC3A * TTC3A683 49* TTC3A04 49* TTC3A04 436* TTC3A54 437* TTC3A * TTC3A * TTC3A * TTC3A * TTC3A * TTC3B * TTC3B473 39D* TTC3B * 50 25/ TTC3B * TTC3B * 470 Note : = Tolerance of R 25 * = Tolerance of B value Note 2: Special specifications are available upon request

4 Max. Power Dissipation Derating Curve 00% T U : Maximum operating temperature ( ) T L : Minimum operating temperature ( ) For example: Ambient temperature(ta) = 55 Maximum operating temperature(t U ) = 25 0 P Ta = (T U -Ta)/(T U -25) Pmax = 70% Pmax T L 0 25 T U Ambient temperature ( ) R-T Characteristic Curves TTC3A90 39D*~ TTC3A * TTC3A02 39D*~ TTC3B * Resistance(KΩ) :TTC3A * 2:TTC3A * 3:TTC3A04 436* 4:TTC3B * 5:TTC3A * 6:TTC3A * 7:TTC3A * 8:TTC3A03 39H* 9:TTC3A682 39H* 0:TTC3A * :TTC3A302 39H* 2:TTC3A202 39H* 3:TTC3A90 39D* Resistance(KΩ) :TTC3B * 2:TTC3A * 3:TTC3A54 437* 4:TTC3A683 49* 5:TTC3A * 6:TTC3A * 7:TTC3A23 374* 8:TTC3A03 34D* 9:TTC3A482 39H* 0:TTC3A332 39H* : TTC3A222 39H* 2:TTC3B * 3:TTC3A02 39D* Temperature ( ) Temperature ( ) - 4 -

5 00000 TTC3A52 39D*~ TTC3B * Resistance(KΩ) :TTC3B * 2:TTC3A * 3:TTC3A * 4:TTC3A04 49* 5:TTC3A503 39H* 6:TTC3B473 39D* 7:TTC3A * 8:TTC3A53 374* 9:TTC3A03 374* 0:TTC3A502 39H* :TTC3A472 39H* 2:TTC3A272 39H* 3:TTC3A52 39D* Temperature ( ) Soldering Recommendation Wave Soldering Profile Preheating Soldering Cooling 260 Max Temperature 30±20 Note 2 Note 3 Note : (~3 )/sec. Note 2: Approx. 200 /sec. Note Note 3: 5 /sec. (Max.) Tamb 30~90 sec. < sec. <0 sec. Time Recommended Reworking Conditions with Soldering Iron Item Temperature of Soldering Iron-tip Soldering Time Distance from Thermistor Conditions 360 (max.) 3 sec. (max.) 2 mm (min.) - 5 -

6 Reliability Item Standard Test conditions / Methods Specifications Gradually apply the specified force and keep the unit fixed for 0± sec. Tensile Strength of Terminations IEC Terminal diameter Force (mm) (Kg) 0.3<d Bending Strength of Terminations IEC 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. Terminal diameter (mm) Force (Kg) 0.3<d Solderability IEC ±3, 3±0.3 sec. Resistance to Soldering Heat High Temperature Storage Damp Heat, Steady State IEC ± 3, 0 ± sec. IEC ± 5, 000 ± 24 hrs IEC ± 2, 90~95% RH, 000 ± 24 hrs At least 95% of terminal electrode is covered by new solder R 25 /R 25 3 % R 25 /R 25 5 % R 25 /R 25 3 % The conditions shown below shall be repeated 5 cycles Rapid Change of Temperature IEC Step Temperature ( ) Period (minutes) -40 ± 5 30 ± 3 2 Room temperature 5 ± ± 5 30 ± 3 4 Room temperature 5 ± 3 R 25 /R 25 3 % Max. Power Dissipation IEC ± 5, Pmax., 000 ± 24 hrs R 25 /R 25 5 % - 6 -

7 Packaging Taping Specification Straight Lead P P P h h P H H W W 2 W W 0 L F P 0 D 0 T (Unit:mm) Taping P 0 F P P H H d W 0 W W 2 W P h L D 0 T Dimension ±0.3 ± ± ±0.7 +2/-0 Max. ±0.02 ± P 0 = /-0.5 Max. +/ -0.5 Max. Max. Max. ±0.2 ± P 0 = Wider Kink P P h h T (Unit:mm) Taping P 0 F P P H 0 H d W 0 W W 2 W P h L D 0 T Dimension ±0.3 ± ± ±0.7 ±0.5 Max. ±0.02 ± P 0 = /-0.5 Max. +/ -0.5 Max. Max. Max. ±0.2 ±

8 Outer Kink Taping (Unit:mm) P 0 F P P H 0 H d W 0 W W 2 W P h L D 0 T Dimension ±0.3 ± ± ±0.7 ±0.5 Max. ±0.02 ± /-0.5 Max. +/ -0.5 Max. Max. Max. ±0.2 ±0.2 P 0 = Quantity Bulk Packing Series Reel Packing Quantity (pcs/bag) TTC3 500 Series Quantity (pcs/reel) TTC3 2, ±0 3± 46± (Unit: mm) Ammo Packing 348±5 Series Quantity (pcs/box) TTC3 2,500 Warehouse Storage Conditions of Products Storage Conditions:. Storage Temperature: -0 ~ Relative Humidity: 75%RH 3. Keep away from corrosive atmosphere and sunlight. Period of Storage : year 50±5 275±5 n n n n n n n n n n n - 8 -