Surge Withstanding Chip Resistor CRSW Series MERITEK Surge Withstanding Chip Resistor－SWR Series ■Construction L D1 3 4 5 6 W T 987 1 D2 ■Features 2 1 Alumina Substrate 4 Edge Electrode (NiCr) 7 Resistor Layer (RuO2/Ag) 2 Bottom Electrode (Ag) 5 Barrier Layer (Ni) 8 Primary Overcoat (Glass) 3 Top Electrode (Ag-Pd) 6 External Electrode (Sn) 9 Secondary Overcoat (Epoxy) ■Dimensions －High power rating －Excellent surge withstanding & pulse withstanding performance －Improved working voltage ratings －Standard package sizes of 0603~2512 Unit: mm Weight (g) (1000pcs) Type Size (Inch) CRSW. 0603 1.60±0.10 0.80±0.10 0.45±0.10 0.30±0.20 0.30±0.20 2.042 CRSW. 0805 2.00±0.10 1.25±0.10 0.50±0.10 0.35±0.20 0.40±0.20 4.368 ■Applications CRSW. 1206 3.10±0.10 1.55±0.10 0.55±0.10 0.50±0.25 0.50±0.20 8.947 －Metering (Testing/Measurement) －Medical Devices －Automotive －Power supply －Charger －Inverter －LCD Video Monitors CRSW. 1210 3.20±0.10 2.60±0.15 0.55±0.10 0.50±0.25 0.50±0.20 15.959 CRSW. 2010 5.00±0.20 2.50±0.15 0.55±0.10 0.60±0.25 0.50±0.20 24.241 CRSW. 2512 6.35±0.20 3.20±0.15 0.55±0.10 0.60±0.25 0.50±0.20 39.448 L W T D1 D2 ■Part Numbering CRSW 0603 A 1001 J Product Dimensions Power Resistance Resistance TCR Tolerance (PPM/'C) Type Rating 0603 0805 1206 1210 2010 2512 A: 1.5W O: 1/3W Q: 3/4W U: 1/2W V: 1/4W W: 1/8W 1001:.1Kohm 1004: 1Mohm 1005: 10Mohm E J: ±5% K: ±10% M: ±20% 1001: 1KΩ 1004: 1MΩ 1005: 10MΩ E: ±100 F: ±200 : Standard Marking N: No Marking ■Derating Curve Power ratio(%) 100 80 60 40 20 0 0 20 40 60 80 100 120 140 160 180 Ambient Temperature(℃) Specifications are subject to change without notice. . rev.6a ■Standard Electrical Specifications Item Type Power Rating at 70°C Operating Temp. Range Max. Operating Voltage 1/8W -55 ~ +155°C 50V CRSW (0603) CRSW (0805) 1/4W -55 ~ +155°C 150V CRSW (1206) 1/3W -55 ~ +155°C 200V CRSW (1210) 1/2W -55 ~ +155°C 200V CRSW (2010) 3/4W CRSW (2512) 1.5W -55 ~ +155°C -55 ~ +155°C 400V 500V Resistance Range ±5% ±10% 10Ω - 299Ω ±20% TCR (PPM/°C) ±200 300Ω - 1MΩ ±100 1Ω - 299Ω ±200 300Ω - 20MΩ ±100 1Ω - 20Ω ±200 20.1Ω - 20MΩ ±100 1Ω - 20Ω ±200 20.1Ω - 20MΩ ±100 1Ω - 20Ω ±200 20.1Ω - 20MΩ ±100 1Ω - 20Ω ±200 20.1Ω - 20MΩ ±100 Operating Voltage=√(P*R) or Max. operating voltage listed above, whichever is lower. Overload Voltage=2.5*√(P*R) or Max. overload voltage listed above, whichever is lower. ■Environmental Characteristics Item Requirement Test Method Temperature Coefficient of Resistance (T.C.R.) As Spec. +25/-55/+25/+125/+25°C Short Time Overload ±1% RCWV*2.5 or Max. overload voltage for 5 seconds Insulation Resistance >1000MΩ Apply 100VDC for 1 minute Endurance ±3% 70±2°C, Max. working voltage for 1000 hrs with 1.5 hrs “ON” and 0.5 hrs “OFF” Damp Heat with Load ±3% 40±2°C, 90~95% R.H. Max. working voltage for 1000 hrs with 1.5 hrs “ON” and 0.5 hrs “OFF” Dry Heat ±3% at +155°C for 1000 hrs Bending Strength ±1% Bending amplitude 3mm for 10 seconds Solderability 95% min. coverage 245±5°C for 3 seconds Resistance to Soldering Heat ±1% 260±5°C for 10 seconds Thermal Shock ±1% -55°C ~150°C, 100 cycles Reference Standards: MIL-STD-202, JIS-C 5201-1 Storage Temperature: 25±3°C; Humidity < 80%RH . ■Packaging Reel Specifications & Packaging Quantity Unit: mm Size 0603 0805 1206 1210 2010 2512 Packaging Quantity Tape Width Reel Diameter ΦA 7 inch 178.5±1.5 10 inch 254±1.0 13 inch 330±1.0 5K Paper 8mm 10K 20K Embossed 4K 12mm 8K ΦB 7 inch 178.5±1.5 10 inch 250±1.0 ΦC W T 13.0±0.2 9.0±0.5 12.5±0.5 100±0.5 13.0±0.2 9.5±0.5 13.5±0.5 100±0.5 13.0±0.2 9.5±0.5 13.5±0.5 13.0±0.5 13.0±0.5 15.5±0.5 13.0±0.5 12.5±0.5 16.5±0.5 60 60 +1/-0 +1/-0 62±0.5 Paper Tape Specifications Bottom Tape Top Tape ψ D0 E A F B T Paper Tape P1 Resistor P2 P0 W Direction of unreeling Unit: mm A B W E F P0 P1 P2 ΦD0 T 0603 1.10±0.10 1.90±0.10 8.0±0.20 1.75±0.10 3.50±0.05 4.00±0.10 4.00±0.05 2.00±0.05 1.50+0.1,-0 0.70±0.10 0805 1.60±0.10 2.40±0.20 8.0±0.20 1.75±0.10 3.50±0.05 4.00±0.10 4.00±0.05 2.00±0.05 1.50+0.1,-0 0.85±0.10 1206 1.90±0.10 3.50±0.20 8.0±0.20 1.75±0.10 3.50±0.05 4.00±0.10 4.00±0.05 2.00±0.05 1.50+0.1,-0 0.85±0.10 1210 2.80±0.10 3.50±0.20 8.0±0.20 1.75±0.10 3.50±0.05 4.00±0.10 4.00±0.05 2.00±0.05 1.50+0.1,-0 0.85±0.10 Size Embossed Plastic Tape Specifications Top Tape ψ D0 E A F B W ψD11.5+0.25,-0 T P1 Resistor P2 P0 Direction of unreeling Embossed Tape Size . A B W E F P0 P1 P2 ΦD0 Unit: mm T +0 2010 2.8±0.20 5.5±0.20 12.0±0.30 1.75±0.10 5.5±0.05 4.00±0.10 4.00±0.10 2.00±0.05 1.50+0.1, -0 1.2 2512 3.5±0.20 6.7±0.20 12.0±0.30 1.75±0.10 5.5±0.05 4.00±0.10 4.00±0.10 2.00±0.05 1.50+0.1, -0 1.2 +0 ■Marking 0805~2512 4 digits marking for Example Resistance 100Ω 2.2KΩ 10KΩ 49.9KΩ 100KΩ marking 1000 2201 1002 4992 1003 0603: 3 digits marking in E24 Example: 101=100Ω E24 code 10 11 12 13 15 st nd rd 102=1KΩ (1 and 2 are E24 code and 3 code is multiplier) 16 18 20 22 24 27 30 33 36 39 43 47 51 56 ■Recommend Land Pattern C B . A 62 68 75 82 Unit: mm Size A B C 0603..... 0.90 0.60 0.90 0805..... 1.20 0.70 1.30 1206..... 2.00 0.90 1.60 1210..... 2.00 0.90 2.80 2010..... 3.80 0.90 2.80 2512..... 3.80 1.60 3.50 91