Features. RoHS & HF compliant 2. Body size: Ф5mm ~ Ф 30mm 3. Radial lead resin coated 4. High power rating 5. Wide resistance range 6. Cost effective 7. Operating temperature range: Φ5mm:-40~+50 Φ8~Φ0mm:-40~+70 Φ3mm~Φ30mm:-40~+200 8. Agency recognition: UL /cul/tuv /CSA/CQC Recommended Applications. Switch mode power supply 2. Electric motor 3. Transformer 4. Adapter 5. Projector 6. Halogen lamp Part Number Code Ф 5mm~ Ф 5mm 2 3 4 5 6 7 8 9 0 2 3 4 5 6 SCK Product Type NTC Thermistor SCK Series Body Size 05 Ф 5mm 08 Ф 8mm 0 Ф 0mm 3 Ф 3mm 5 Ф 5mm Zero Power Resistance at 25 (R 25) 0R5 0.5Ω 2R5 2.5Ω 08 8Ω 20 20Ω 20 20Ω Max Steady State Current at 25 X3 0.3A 2X 2.5A 8 8A 0 0A Tolerance of R 25 L ±5% M ±20% N ±25% Appearance S Straight lead F Y kink lead T L kink lead Optional Suffix Y RoHS & HF Compliant Ф 20mm~ Ф 30mm 2 3 4 5 6 7 8 9 0 2 3 4 5 Product Type THINKING SCK NTC Thermistor SCK Series Body Size 20 Ф 20mm 25 Ф 25mm 30 Ф 30mm Zero Power Resistance at 25 (R 25) R 25<0Ω 0R7:0.7Ω 2R5:2.5Ω R 25 0Ω 00:0Ω 470:47Ω 47:470Ω Tolerance of R 25 L ±5% M ±20% N ±25% S F T Appearance Straight lead Y kink lead L kink lead Packaging B Bulk Y H Optional Suffix RoHS & HF Compliant (For SCK20 only) RoHS & HF Compliant (For SCK25 and SCK30 only)
Structure and Dimensions S Type (Straight lead) D T (Unit: mm) P d A L Body Size Dmax. P. d Amax. Lmin. Tmax. ψ05 6.5 4±0.6 0.8±0.02 6.5 3 5 ψ08 9.5 5±0.8 0.8±0.02 9.5 3 5 ψ0.5 5±0.8 0.8±0.02.5 3 5 ψ3 4.5 7.5± 0.8±0.02 4.5 30 6 ψ5 6.5 7.5±.0±0.02 6.5 29 6 ψ20 2.5 7.5±.0±0.02 2.5 26 6 ψ25 29 7.5±.0±0.02 29 25 7 ψ30 36 7.5±.0±0.02 36 23 8 F Type (Y kink lead) D d P T A L (Unit: mm) Body Size Dmax. P d Amax. Lmin. Tmax. ψ05 6.5 4±0.6 0.8±0.02 29 5 ψ08 9.5 5±0.8 0.8±0.02 3 29 5 ψ0.5 5±0.8 0.8±0.02 5 29 5 ψ3 4.5 7.5± 0.8±0.02 7.5 27 6 ψ5 6.5 7.5± ±0.02 9 26 6 ψ20 2.5 7.5± ±0.02 24.5 25 6 ψ25 29 7.5± ±0.02 35 22 7 ψ30 36 7.5± ±0.02 42 22 8 T Type (L kink lead) D (Unit: mm) Body Size Dmax. P d Amax. Hmax. C. Tmax. ψ05 6.5 4±0.6 0.8±0.02 5.5 4.0± 5 Hmax Hmax Amax ψ08 9.5 5±0.8 0.8±0.02 3 7.5 4.0± 5 ψ0.5 5±0.8 0.8±0.02 5 9.5 4.0± 5 d C ψ3 4.5 7.5± 0.8±0.02 7.5 2.5 4.0± 6 ψ5 6.5 7.5± ±0.02 9 23.5 4.0± 6 P ψ20 2.5 7.5± ±0.02 24.5 28.5 4.0± 6 2
Electrical Characteristics Part No. Zero Power Resistance at 25 C Max. Current at 25 Residual Resistance at 25 Imax Max. Power Rating at 25 C Dissipation Factor Thermal Time Constant Operating Temperature Range R 25(Ω) I max(a) R Imax (Ω) P max (W) δ (mw/ C) τ(sec.) T L~T U( C) Safety Approvals UL cul CSA TUV CQC SCK05052 5 2 0.429 SCK0508 8.089 Approx. Approx. SCK050 0.26.8-40 ~ +50 5 7 SCK052 2.84 SCK0520X3 20 0.3 5.560 SCK08042 4 2 0.44 SCK084R72 4.7 2 0.445 SCK08053 5 3 0.26 SCK08063 6 3 0.283 SCK08073 7 3 0.287 Approx. Approx. 2.3-40 ~ +70 SCK08082 8 2 0.520 6 38 SCK0802 0 2 0.542 SCK0852 5 2 0.548 SCK0820 20.544 SCK0830X 30 0.5 4.094 SCK005 5 0.09 SCK0R35.3 5 0.095 SCK0R55.5 5 0.0 SCK02R55A 2.5 5 0.20 SCK0035 3 5 0.27 SCK0044 4 4 0.6 SCK0054 5 4 0.80 SCK06R83 6.8 3 0.270 SCK0083 8 3 0.278 SCK003 0 3 0.297 SCK023 2 3 0.30 Approx. Approx. SCK033 3 3 0.356 2.4-40 ~ +70 7 43 SCK052X 5 2.5 0.442 SCK062X 6 2.5 0.47 SCK0202 20 2 0.646 SCK0222 22 2 0.659 SCK0252 25 2 0.674 SCK0302 30 2 0.700 SCK0472 47 2 0.720 SCK0502 50 2 0.83 SCK080 80 2.236 SCK000 00 2.38 SCK020 20 2.406 3
Part No. Residual Max. Zero Power Max. Thermal Operating Resistance Power Dissipation Resistance Current Time Temperature at 25 Rating Factor at 25 C at 25 Constant Range Imax at 25 C R 25(Ω) I max(a) R Imax(Ω) P max(w) δ(mw/ C) τ(sec.) T L~T U( C) Safety Approvals UL cul CSA TUV CQC SCK303 3 0.74 SCK3R37.3 7 0.070 SCK32R56 2.5 6 0.094 SCK3045 4 5 0.32 SCK34R74 4.7 4 0.68 SCK3055 5 5 0.66 SCK3074 7 4 0.84 Approx. Approx. 3. -40 ~ +200 SCK3084 8 4 0.206 8 66 SCK304 0 4 0.27 SCK324 2 4 0.230 SCK353 5 3 0.343 SCK363 6 3 0.348 SCK383 8 3 0.365 SCK3203 20 3 0.40 SCK50R78A 0.7 8 0.05 SCK508 8 0.054 SCK5R38.3 8 0.064 SCK5R58.5 8 0.068 SCK5028 2 8 0.078 SCK52R58 2.5 8 0.086 SCK5037 3 7 0.09 SCK5046 4 6 0.7 SCK5056 5 6 0.2 SCK5065 6 5 0.59 SCK5075 7 5 0.6 SCK5085 8 5 0.65 SCK505 0 5 0.78 3.6 Approx. Approx. -40 ~ +200 SCK525 2 5 0.85 2 75 SCK554 5 4 0.26 SCK564 6 4 0.265 SCK584 8 4 0.273 SCK5204 20 4 0.283 SCK5224 22 4 0.308 SCK5253 25 3 0.425 SCK5303 30 3 0.46 SCK5333 33 3 0.484 SCK5403 40 3 0.5 SCK5473 47 3 0.57 SCK5802X 80 2.5 0.693 SCK5202 20 2.00 4
Part No. Zero Power Resistance at 25 C Max. Current at 25 Residual Resistance at 25 Imax Max. Power Rating at 25 C Dissipation Factor Thermal Time Constant Operating Temperature Range R 25(Ω) I max(a) R Imax(Ω) P max(w) δ(mw/ C) τ(sec.) T L~T U( C) Safety Approvals UL cul CSA TUV CQC SCK200R7 0.7 5 0.035 SCK20R0 3 0.034 SCK20R5.5 0.5 0.04 SCK202R0 2 0 0.062 SCK202R5 2.5 9 0.083 SCK203R0 3 8.5 0.078 SCK204R0 4 8 0.080 SCK204R7 4.7 7.5 0.4 SCK205R0 5 7.5 0.8 SCK206R0 6 7 0.20 4.9 Approx. Approx. -40 ~ +200 SCK206R8 6.8 6.5 0.30 28 3 SCK207R0 7 6.5 0.32 SCK208R0 8 6 0.6 SCK2000 0 5.5 0.96 SCK2020 2 5 0.97 SCK2030 3 5 0.23 SCK2050 5 4.5 0.258 SCK2060 6 4.5 0.276 SCK2080 8 4 0.280 SCK20200 20 4 0.306 SCK25R0 20 0.020 SCK25R5.5 8.5 0.023 SCK252R0 2 8 0.025 SCK252R5 2.5 5 0.032 SCK253R0 3 4.5 0.042 SCK254R0 4 4 0.044 SCK254R7 4.7 3 0.052 SCK255R0 5 2 0.06 Approx. Approx. 7.0-40 ~ +200 SCK256R8 6.8 0.5 0.082 30 30 SCK257R0 7 0 0.092 SCK258R0 8 9 0.5 SCK2500 0 8 0.4 SCK2520 2 7.5 0.64 SCK2550 5 6.5 0.20 SCK2580 8 5.5 0.23 SCK25200 20 5 0.270 5
Part No. Zero Power Resistance at 25 C Note : = Tolerance of R 25 Note2:UL&cUL File No. E38827 CSA File No. 97495 TUV File No. R 5005055 Max. Current at 25 Residual Resistance at 25 Imax Max. Power Rating at 25 C CQC File No. CQC05000984,985, 988,989,990,993 CQC04000942, 943, 944, 963, 964, 965 Dissipation Factor Thermal Time Constant Operating Temperature Range R 25(Ω) I max(a) R Imax(Ω) P max(w) δ(mw/ C) τ(sec.) T L~T U( C) Safety Approvals UL cul CSA TUV CQC SCK30R0 30 0.06 SCK30R5.5 25 0.020 SCK302R0 2 23 0.022 SCK302R5 2.5 8 0.030 SCK303R0 3 7 0.035 SCK304R0 4 6 0.048 SCK304R7 4.7 5 0.055 SCK305R0 5 4 0.057 Approx. 8.0 Approx. 40-40 ~ +200 SCK306R8 6.8 2 0.077 90 SCK307R0 7.5 0.084 SCK308R0 8 0.5 0.00 SCK3000 0 0 0.5 SCK3020 2 9 0.42 SCK3050 5 8 0.75 SCK3080 8 7 0.20 SCK30200 20 6 0.233 6
Max. Current Derating Curve I Ta I max 00% T U :Maximum operating temperature ( ) T L :Minimum operating temperature ( ) 0 T L 0 25 T U Ambient temperature ( ) For example: Ambient temperature(ta)=60 Maximum operating temperature(t U )=200 I Ta =[-(Ta-25)/(Tu-25)] Imax=80%Imax. R-T Characteristic Curves (representative) SCK05052~SCK0520X3 SCK08042~SCK0830X 000 000 00 00 0 SCK0520X3 SCK052 SCK050 SCK0508 SCK05052 0 SCK0830X SCK0820 SCK0852 SCK0802 SCK08082 SCK08073 SCK08063 SCK08053 SCK084R72 SCK08042 0. -40-30 -20-0 0 0 20 30 40 50 60 70 80 90 00 0 20 30 40 50 Temperature ( ) 0. -40-30 -20-0 0 0 20 30 40 50 60 70 80 90 00 0 20 30 40 50 60 70 Temperature ( ) 7
R-T Characteristic Curves (representative) SCK005~SCK020 SCK0R35~SCK000 0000 0000 000 000 00 00 Resistance (Ω) 0 (K 0. Resistance (Ω) SCK020 SCK080 SCK0472 SCK0252 SCK0202 SCK052X SCK023 SCK0083 SCK0054 SCK0035 SCK0R55 SCK005 0 0. SCK000 SCK0502 SCK0302 SCK0222 SCK062X SCK033 SCK003 SCK06R83 SCK0044 SCK02R55A SCK0R35 0.0-40 -30-20 -0 0 0 20 30 40 50 60 70 80 90 00 0 20 30 40 50 60 70 Temperature ( ) 0.0-40 -30-20 -0 0 0 20 30 40 50 60 70 80 90 00 0 20 30 40 50 60 70 Temperature ( ) SCK303~SCK383 SCK3R37~SCK3203 000 000 00 00 Resistance (Ω) 0 (K Resistance (Ω) 0 0. SCK383 SCK353 SCK304 SCK3074 SCK34R74 SCK32R56 SCK303 0. SCK3203 SCK363 SCK324 SCK3084 SCK3055 SCK3045 SCK3R37 0.0-40 -30-20 -0 0 0 20 30 40 50 60 70 80 90 00 0 20 30 40 50 60 70 80 90 200 0.0-40 -30-20 -0 0 0 20 30 40 50 60 70 80 90 00 0 20 30 40 50 60 70 80 90 200 8
R-T Characteristic Curves (representative) SCK50R78A~SCK5202 SCK506~SCK5473 0000 0000 000 000 00 0 00 0 0. SCK5202 SCK5403 SCK5224 SCK564 SCK505 SCK5065 SCK5037 SCK5R58 SCK50R78A 0. SCK5473 SCK5253 SCK584 SCK525 SCK5075 SCK5046 SCK5028 SCK506 0.0-40 -30-20 -0 0 0 20 30 40 50 60 70 80 90 00 0 20 30 40 50 60 70 80 90 200 0.0-40 -30-20 -0 0 0 20 30 40 50 60 70 80 90 00 0 20 30 40 50 60 70 80 90 200 SCK5R38~SCK5802X 0000 000 00 0 0. SCK5802X SCK5303 SCK5204 SCK554 SCK5085 SCK5056 SCK52R58 SCK5R38 0.0-40 -30-20 -0 0 0 20 30 40 50 60 70 80 90 00 0 20 30 40 50 60 70 80 90 200 9
R-T Characteristic Curves (representative) SCK200R7~SCK2080 SCK20R0~SCK20200 0000 000 000 00 00 0 SCK2080 SCK2050 SCK2020 SCK208R0 SCK206R8 0. SCK205R0 SCK204R0 SCK202R5 SCK20R5 SCK200R7 0.0-40 -30-20 -0 0 0 20 30 40 50 60 70 80 90 00 0 20 30 40 50 60 70 80 90 200 0 0. 0.0-40 -30-20 -0 0 0 20 30 40 50 60 70 80 90 00 0 20 30 40 50 60 70 80 90 200 SCK20200 SCK2060 SCK2030 SCK2000 SCK207R0 SCK206R0 SCK204R7 SCK203R0 SCK202R0 SCK20R0 SCK25R0~SCK2580 SCK25R5~SCK25200 000 000 00 00 0 0 0. 0.0-40 -30-20 -0 0 0 20 30 40 50 60 70 80 90 00 0 20 30 40 50 60 70 80 90 200 SCK2580 SCK2520 SCK258R0 SCK256R8 SCK254R7 SCK253R0 SCK252R0 SCK25R0 0. 0.0-40 -30-20 -0 0 0 20 30 40 50 60 70 80 90 00 0 20 30 40 50 60 70 80 90 200 0
R-T Characteristic Curves (representative)
V-I Characteristic Curves (representative) SCK05052~SCK0520X3 Voltage (V) Current (A) SCK08042~SCK0820 Voltage (V) Voltage (V) Current (A) SCK005~SCK020 Current (A) 2
SCK3R37~SCK3203 Voltage (V) Current (A) SCK5R38~SCK5473 Voltage (V) Current (A) SCK20R0~SCK20200 Voltage (V) Current (A) 3
SCK25R0~SCK25200 SCK30R0~SCK30200 Voltage(V) Voltage(V) Current (A) Current (A) 4
Soldering Recommendation Wave Soldering Profile Preheating Soldering Cooling 260 Max Temperature 30±20 Note Note 2 Note 3 Note : (~3 )/sec Note 2: Approx. 200 /sec 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
Reliability Item Standard Test conditions / Methods Specifications Gradually applying the force specified and keeping the unit fixed for 0± sec. Tensile Strength of Terminals IEC60068-2-2 Terminal diameter (mm) Force (Kg) No visible damage 0.5<d 0.80.0 0.8<d.25 2.0 Solderability IEC60068-2-20 245 ± 5, 3 ± 0.3 sec. At least 95% of terminal electrode is covered by new solder Resistance to Soldering Heat IEC60068-2-20 260 ± 3, 0 ± sec. No visible damage R 25/R 25 0 % High Temperature Storage IEC60068-2-2 Tu ± 5 x 000± 24 hrs No visible damage R 25/R 25 20 % Damp Heat, Steady State IEC60068-2-3 40 ± 2, 90~95% RH, 000 ± 24 hrs No visible damage R 25/R 25 20 % The conditions shown below shall be repeated 5 cycles Step Temperature ( ) Period (minutes) Rapid Change of Temperature IEC60068-2-4 T L ± 5 30 ± 3 2 Room temperature 5 ± 3 No visible damage R 25/R 25 20 % 3 TU ± 5 30 ± 3 4 Room temperature 5 ± 3 Max. Current IEC60539-25 ± 5, Imax. x 000± 24 hrs Endurance UL434 25 ± 5, Imax., CT, min ON / 5 mins OFF x 000 cycles C T= Capacitance at 240 Vac No visible damage R 25/R 25 20 % No visible damage R 25/R 25 20 % Insulation Test MIL-STD-202F -Method 302 000 V DC min No visible damage 500 MΩ 6