Features. RoHS 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. gency Recognition: UL /cul/tuv /CS/CQC Recommended pplications. Switch mode power supply 2. Electric motor 3. Transformer 4. dapter 5. Projector 6. Halogen lamp Part No. Code Ф 5mm~ Ф 5mm 2 3 4 5 6 7 8 9 0 2 3 4 5 6 Product Code Thinking SCK NTC Thermistor SCK Type 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 0.3 2X 2.5 8 8 0 0 Tolerance of R 25 L ±5% M ±20% N ±25% ppearance S Straight Lead I Inner Kink Lead F Y Kink Lead Internal Control Code Y ROHS Control Ф 20mm~ Ф 30mm 2 3 4 5 6 7 8 9 0 2 3 4 5 Product Code Thinking SCK NTC Thermistor SCK Type 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% ppearance S Straight Lead I Inner Kink Lead F Y Kink Lead Packaging B Bulk Internal Control Code Y ROHS Control
Dimensions S type (straight lead) (Unit:mm) Disc size Dmax. Pnor. dnor. max. 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± ±0.02 6.5 29 6 ψ20 2.5 7.5± ±0.02 2.5 26 6 ψ25 29 7.5± ±0.02 29 25 7 ψ30 36 7.5± ±0.02 36 23 8 F type (Y kink lead) (Unit:mm) Disc size Dmax. Pnor. dnor. max. Lmin. Tmax. 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 20 26 6 ψ20 2.5 7.5± ±0.02 28 25 6 ψ25 29 7.5± ±0.02 35 22 7 ψ30 36 7.5± ±0.02 42 22 8 I type (inner kink lead) Figure Figure B (Unit:mm) Disc size Dmax. Pnor. dnor. max. Lmin. Tmax. Figure ψ05 6.5 5±0.8 0.8±0.02 0 29 5 B ψ08 9.5 5±0.8 0.8±0.02 6 25 5 ψ0.5 5±0.8 0.8±0.02 7 25 5 ψ3 4.5 7.5± 0.8±0.02 20 25 6 ψ5 6.5 7.5± ±0.02 23 25 6 ψ20 2.5 7.5± ±0.02 28 24 6 ψ25 29 7.5± ±0.02 35 22 7 ψ30 36 7.5± ±0.02 42 22 8
Characteristics Part no. Zero power resistance Max. steady state current Residual resistance at 25 Imax Max. power rating Thermal dissipation constant Thermal time constant Operating temperature range R25(Ω) Imax() R Imax (Ω) Pmax(W) δ(mw/ C) τ(sec.) T L ~T U ( C) Safety pprovals UL cul CS TUV CQC SCK05052 5 2 0.429 SCK0508 8.089 SCK050 0.26.8 5 7-40 ~ +50 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 2.3 6 38-40 ~ +70 SCK08082 8 2 0.520 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 SCK02R55 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 SCK033 3 3 0.356 2.4 7 43-40 ~ +70 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 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 3. 8 66-40 ~ +200 SCK3084 8 4 0.206 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
Part no. Zero power resistance Max. steady state current Residual resistance at 25 Imax Max. power rating Thermal dissipation constant Thermal time constant Operating temperature range R25(Ω) Imax() R Imax (Ω) Pmax(W) δ(mw/ C) τ(sec.) T L ~T U ( C) Safety pprovals UL cul CS TUV CQC SCK50R78 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 2 75-40 ~ +200 SCK525 2 5 0.85 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 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 28 3-40~+200 SCK206R8 6.8 6.5 0.30 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
Part no. Zero power resistance Max. steady state current Residual resistance at 25 Imax Max. power rating Thermal dissipation constant Thermal time constant Operating temperature range R25(Ω) Imax() R Imax (Ω) Pmax(W) δ(mw/ C) τ(sec.) T L ~T U ( C) Safety pprovals UL cul CS TUV CQC 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 7.0 30 30-40 ~ +200 SCK256R8 6.8 0.5 0.082 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 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 8.0 40 90-40 ~ +200 SCK306R8 6.8 2 0.077 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 Note : = Tolerance of resistance Note2:UL&cUL File No. E38827 CS File No. 97495 TUV File No. R 5005055 CQC File No. CQC04000942~944;CQC04000963~965;CQC05000984~985; CQC05000988~990;CQC05000993
Maximum power rating (Pmax) Max power rating (%) 00 0 T U :Maximum operating temperature T L :Minimum operating temperature For example:mbient temperature(ta)=55 Maximum operating temperature(tu)=200 P Ta =(Tu-Ta)/(Tu-25) Pmax 82% Pmax T L 0 25 T U mbient temperature ( ) R-T Characteristic Curve(representative) 000 SCK05052~SCK0520X3 000 SCK08042~SCK0820 00 00 Resistance(Ω) 0 Resistance(Ω) 0 0. -30-20 -0 0 0 20 30 40 50 60 70 80 90 00 0 20 30 40 50 0. -30-20 -0 0 0 20 30 40 50 60 70 80 90 00 0 20 30 40 50 60 70 Temperature ( ) SCK0520X3 SCK050 SCK05052 Temperature ( ) SCK0820 SCK0852 SCK0802 SCK08082 SCK08053 SCK08042
R-T Characteristic Curve(representative) 0000 SCK005~SCK020 000 SCK3R37~SCK3203 000 00 00 Resistance(Ω) 0 0. SCK020 SCK080 SCK0202 SCK062X SCK003 SCK0083 SCK0054 SCK02R55 SCK005 Resistance(Ω) 0 0. SCK3203 SCK353 SCK304 SCK3084 SCK3055 SCK32R56 SCK3R37 0.0-30 -20-0 0 0 20 30 40 50 60 70 80 90 00 0 20 30 40 50 60 70 Temperature ( ) 0.0-30 -20-0 0 0 20 30 40 50 60 70 80 90 00 0 20 30 40 50 60 70 80 90 200 Temperature ( ) SCK5R38~SCK5473 SCK20R0~SCK20200 000 000 00 00 Resistance(Ω) 0 0. Resistance(Ω) SCK5473 SCK5403 SCK5253 SCK5204 SCK564 SCK505 SCK5075 SCK5056 SCK5037 SCK52R58 SCK5R58 SCK5R38 0 0. SCK20200 SCK2000 SCK205R0 SCK205R5 SCK20R0 0.0-30 -20-0 0 0 20 30 40 50 60 70 80 90 00 0 20 30 40 50 60 70 80 90 200 Temperature ( ) 0.0-30 -20-0 0 0 20 30 40 50 60 70 80 90 00 0 20 30 40 50 60 70 80 90 200 Temperature ( )
R-T Characteristic Curve(representative) 000 SCK25R0~SCK25200 000 SCK30R0~SCK3000 00 00 Resistance(Ω) 0 Resistance(Ω) 0 SCK252 SCK25200 0. SCK2500 SCK255R0 0. SCK30200 SCK3000 SCK305R0 SCK25R0 SCK30R0 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 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 80 90 200 Temperature ( )
V-I characteristic curve (representative) SCK05052~SCK0520X3 Voltage (V) Current () SCK08042~SCK0820 Voltage (V) Current () SCK005~SCK020 Voltage (V) Current ()
SCK3R37~SCK3203 Voltage (V) Current () SCK5R38~SCK5473 Voltage (V) Current () SCK20R0~SCK20200 Voltage (V) Current ()
SCK25R0~SCK252 Voltage(V) Current () SCK30R0~SCK30200 Voltage(V) Current ()
Recommended soldering condition Wave flow soldering profile Preheat(air) Soldering Cooling 260 Max. Temperature 30±20 Tamb Time ~3 /sec 200 /sec <0s >60sec Recommended Reworking Conditions With Soldering Iron Item Temperature of Soldering Iron-tip Distance from thermistor Soldering Time Conditions 360 (max.) 2 mm (min.) 3 sec (max.)
Reliability test Item Standard Test Conditions / Methods Specifications Gradually applying the force specified below to each terminal and keeping the unit fixed for 0± sec Tensile Strength of Terminals IEC68-2-2 Terminal diameter (mm) Force (Kg) No visible damage 0.5<d 0.80.0 0.8<d.25 2.0 Solderability IEC68-2-20 235 ± 5, 2 ± 0.5 sec t least 95% of terminal electrode is covered by new solder Resistance to Soldering Heat IEC68-2-20 260 ± 5, 0 ± sec No visible damage R/R 0 % High Temperature Storage Damp Heat IEC68-2-2 UL434 IEC68-2-3 UL434 Tmax ± 5 x 000± 24HRS 40 ± 2, 90~95% RH, 000 ± 24HRS No visible damage R/R 20 % No visible damage R/R 20 % The thermal shock conditions shown below shall be repeated 5 cycles Step Temperature ( ) Period (minutes) Thermal Shock IEC68-2-4 UL434 Tmin ± 5 30 ± 3 2 Room temperature 5 ± 3 No visible damage R/R 20 % 3 Tmax ± 5 30 ± 3 4 Room temperature 5 ± 3 Life Test CNS5550 25 ± 5, Imax. X 000± 24HRS 25 ± 5, Imax., C T, min ON / 5 min OFF x 000 cycles Endurance UL434 C T = Capacitance at 240 Vac No visible damage R/R 20 % No visible damage R/R 20 % Insulation test MIL-STD-202F -Method 302 000 V DC min No visible damage 500 MΩ
Packaging Taping Specification For S (straight lead) type and F (Y kink lead) type F Type S Type P2 P3 P Figure. For S lead and F lead Φ8 to Φ0 Type. W W W2 Wo Ho Po Do t P2 P3 P Figure B. Ho For S lead Φ3 to Φ20 type and F lead Φ3 to W W W2 Wo Φ5 type Po Do t P2 P3 P Figure C. Ho For S lead Φ3 to Φ20 type and F lead Φ3 to W W W2 Wo Φ5 type Po Do t (Unit: mm) Taping Disc P 0 P P 2 P 3 H 0 W 0 W W 2 W D 0 t Code Size ±0.5 ±0.7 ±.3 ±0.5 ±0.5 ± ±0.5 ± ±0.5 Max. ±0.2 ±0.2 Figure (P 0 =2.7) E (P 0 =5.0) Φ08 2.7 3.45 6.35 2.7 20 2 9 3 8 4 0.6 Φ0 2.7 3.45 6.35 2.7 20 2 9 3 8 4 0.6 Φ3 2.7 8.55 2.7 25.4 20 2 9 3 8 4 0.6 B Φ5 2.7 8.45 2.7 25.4 20 2 9 3 8 4 0.6 B Φ20 2.7 8.45 2.7 25.4 20 2 9 3 8 4 0.6 B Φ08 5 4.6 7.5 5 20 2 9 3 8 4 0.6 Φ0 5 4.6 7.5 5 20 2 9 3 8 4 0.6 Φ3 5 3.35 7.5 30 20 2 9 3 8 4 0.6 C Φ5 5 3.25 7.5 30 20 2 9 3 8 4 0.6 C Φ20 5 3.25 7.5 30 20 2 9 3 8 4 0.6 C
For I type (inner kink lead) P2 P3 P Ho Figure. For I lead Φ5 to Φ0 type. W W W2 Wo Po Do t P2 P3 P Figure B. For I lead Φ3 to Φ20 type. W W W2 Wo Ho Po Do t P2 P3 P Figure C. For I lead Φ3 to Φ20 type. W W W2 Wo Ho Po Do t P2 P3 P Ho Figure D. For I lead Φ5 type. W W W2 Wo Po Do t
(Unit: mm) Taping Disc P 0 P P 2 P 3 H 0 W 0 W W 2 W D 0 t Code Size ±0.5 ±0.7 ±.3 ±0.5 ±0.5 ± ±0.5 ± ±0.5 Max. ±0.2 ±0.2 Figure (P 0 =2.7) E (P 0 =5.0) Φ05 2.7 3.45 6.35 2.7 6 2 9 3 8 4 0.6 D Φ08 2.7 3.45 6.35 2.7 6 2 9 3 8 4 0.6 Φ0 2.7 3.45 6.35 2.7 6 2 9 3 8 4 0.6 Φ3 2.7 8.55 2.7 25.4 6 2 9 3 8 4 0.6 B Φ5 2.7 8.45 2.7 25.4 6 2 9 3 8 4 0.6 B Φ20 2.7 8.45 2.7 25.4 6 2 9 3 8 4 0.6 B Φ05 5 4.6 7.5 5 6 2 9 3 8 4 0.6 D Φ08 5 4.6 7.5 5 6 2 9 3 8 4 0.6 Φ0 5 4.6 7.5 5 6 2 9 3 8 4 0.6 Φ3 5 3.35 7.5 30 6 2 9 3 8 4 0.6 C Φ5 5 3.25 7.5 30 6 2 9 3 8 4 0.6 C Φ20 5 3.25 7.5 30 6 2 9 3 8 4 0.6 C Quantity Bulk Packing Disc Size/mm Quantity (PCS/Bag) Φ05 200 Φ08 200 Φ0 200 Φ3 00 Φ5 00 Φ20 50 Φ25 20 Φ30 20 Reel Packing Disc Size/mm Quantity (PCS/Reel) Φ05 2500 Φ08 500 Φ0 500 Φ3 750 Φ5 750 Φ20 500 Disc Size Φ05 Φ08~Φ20 40mm 55mm
mmo packing Disc Size/mm Quantity (PCS/Box) Φ05 000 Φ08 000 Φ0 000 Φ3(P 0 =2.7) 500 Φ3(P 0 =5) 000 Φ5 500 Φ20 500 W L H 348mm 275mm 60mm Storage condition of products Storage Conditions:.Storage Temperature : -0 ~+40 2.Relative humidity: 75%RH 3.Thermistors must be kept away from sunlight and stored in a non-corrosive atmosphere. Period of Storage : year