CRH Series High Power Chip Resistor MERITEK Feature and Applications This specification applies to all sizes of rectangular-type fixed chip resistors with Ruthenium-base as material. Small size and light weight Highly reliable multilayer electrode construction Compatible with all soldering process Telecommunication Equipment Radio and Tape Recorders, TV Tuners Digital Cameras, Watches, Pocket Calculators Automotive Industry Computers, Instruments Medical and Military Equipment PART NUMBERING SYSTEM CRH 0603 H 102 J High Power Chip Resistors SIZE 0402 0603 0805 Function Code H High Power Resistance Value 5% 1% 1206 1210 2010 2512 U Ultra High Power x 3 digits. First 2 are significant, Third is multiplier (10 ) x 4 digits. First 3 are significant, Forth is multiplier (10 ) Resistance Tolerance Code F Value ±1% J ±5% Derating Curve Power ratio (%) 100 CRH0402 CRH0603 CRH0805 CRH1206 CRH1210 CRH2010 CRH2512 80 60 40 20 0 0 20 40 60 80 100 120 140 160 Ambient Temperature ( ℃ ) Rev. 7a CRH Series High Power Chip Resistor MERITEK Construction L D1 W T Alumina Substrate Edge Electrode (NiCr) Resistor Layer (RuO2/Ag) Bottom Electrode (Ag) Top Electrode (Ag-Pd) Barrier Layer (Ni) External Electrode (Sn) Primary Overcoat (Glass) Secondary Overcoat (Epoxy) D2 Unit: mm D1 D2 (mm) T (mm) (mm) (mm) Weight (g) (1000pcs) 1.00±0.05 0.50±0.05 0.35±0.05 0.20±0.10 0.20±0.10 0.620 0603 1.60±0.10 0.80±0.10 0.45±0.10 0.30±0.20 0.30±0.20 2.042 CRH0805 0805 2.00±0.10 1.25±0.10 0.50±0.10 0.35±0.20 0.40±0.20 4.368 CRH1206 1206 3.10±0.10 1.55±0.10 0.55±0.10 0.50±0.25 0.50±0.20 8.947 CRH1210 1210 3.10±0.10 2.60±0.15 0.55±0.10 0.50±0.25 0.50±0.20 15.959 CRH2010 2010 5.00±0.10 2.50±0.15 0.55±0.10 0.60±0.25 0.50±0.20 24.241 CRH2512 2512 6.35±0.10 3.10±0.15 0.55±0.10 0.60±0.25 0.50±0.20 39.448 Type Size (Inch) CRH0402 L W (mm) 0402 CRH0603 Soldering Condition IR Reflow Soldering Wave Soldering (Flow Soldering) (1)Time of IR reflow soldering at maximum temperature point 260C：10s (2)Time of wave soldering at maximum temperature point 260C：10s (3)Time of soldering iron at maximum temperature point 410C：5s Rev. 7a CRH Series High Power Chip Resistor MERITEK Resistance Range: >1Ω High Power Rating Electrical Specifications Item Type Power Rating at 70C Operating Temp. Range Max. Operating Voltage Max. Overload Voltage CRH0402 1/8W 50V 100V CRH0603 1/4W 75V 100V CRH0805 1/3W 150V 300V CRH1206 1/3W 200V 400V CRH1210 1/2W 200V 400V CRH2010 1W 200V 400V CRH2512 2W 250V 500V -55 ~ +155C Resistance Range ±1% TCR (PPM/°C) ±5% 1Ω - 9.76Ω 10Ω - 1MΩ ±200 ±100 Resistance Range TCR (PPM/°C) 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. Ultra High Power Rating Electrical Specifications Item Type Power Rating at 70C Operating Temp. Range Max. Operating Voltage Max. Overload Voltage CRH0402 1/8W 50V 100V CRH0603 1/4W 75V 100V CRH0805 1/3W 150V 300V CRH1206 1/2W 200V 400V CRH1210 3/4W 200V 400V CRH2010 1W 200V 400V CRH2512 2W 250V 500V -55 ~ +155C ±1% ±5% 1Ω - 9.76Ω 10Ω - 1MΩ ±200 ±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. Resistance Range: <1Ω High Power Rating Electrical Specifications Item Power Rating at 70C Operating Temp. Range CRH0402 1/16W -55 ~ +155C CRH0603 1/10W -55 ~ +155C CRH0805 1/8W -55 ~ +155C CRH1206 1/4W -55 ~ +155C CRH1210 1/3W -55 ~ +155C CRH2010 3/4W -55 ~ +155C CRH2512 1W -55 ~ +155C Resistance Range (mΩ) ±1% ±5% TCR (PPM/C) Type 50 - 91 100 - 976 20 - 47 50 - 91 100 - 976 10 - 18 20 - 47 50 - 91 100 - 976 800 500 1200 800 500 1500 1200 800 500 10 - 18 20 - 91 100 - 976 1500 800 500 Rev. 7a CRH Series High Power Chip Resistor MERITEK Environmental Characteristics Requirement Item 1% and Below 5% Test Method Jumper Temperature Coefficient of Resistance (T.C.R.) As Spec. Short Time Overload (1.0%+0.05Ω) (2.0%+0.05Ω) <50mΩ Insulation Resistance 10G Endurance (1.0%+0.10Ω) (2.0%+0.10Ω) <100mΩ Damp Heat with Load (1.0%+0.10Ω) (2.0%+0.10Ω) <100mΩ Dry Heat (1.0%+0.05Ω) (1.5%+0.10Ω) <50mΩ JIS-C-5201-1 4.8 IEC-60115-1 4.8 -55C~+125C, 25C is the reference temperature JIS-C-5201-1 4.13 IEC-60115-1 4.13 RCWV*2.5 or Max. overload voltage for 5 seconds, 2 seconds for high power series JIS-C-5201-1 4.6 IEC-60115-1 4.6 Max. overload voltage for 1 minute JIS-C-5201-1 4.25 IEC-60115-1 4.25.1 702C, Max. working voltage for 1000 hrs with 1.5 hrs “ON” and 0.5 hrs “OFF” JIS-C-5201-1 4.24 402C, 90~95% R.H. Max. working voltage for 1000 hrs with 1.5 hrs “ON” and 0.5 hrs “OFF” JIS-C-5201-1 4.23 IEC-60115-1 2.23.2 at +125/+155C for 1000 hrs Bending Strength (1.0%+0.05Ω) (1.0%+0.05Ω) <50mΩ Solderability 95% min. coverage Resistance to Soldering Heat (0.5%+0.05Ω) (1.0%+0.05Ω) <50mΩ Voltage Proof Leaching Rapid Change of Temperature No breakdown or flashover Individual leaching area ≦5% Total leaching area ≦ 10% (0.5%+0.05Ω) (1.0%+0.05Ω) <50mΩ JIS-C-5201-1 4.33 IEC-60115-1 4.33 Bending once for 5 seconds 2010, 2512 sizes: 2mm Other sizes: 3mm JIS-C-5201-1 4.17 IEC-60115-1 4.17 2455C for 3 seconds JIS-C-5201-1 4.18 IEC-60115-1 4.18 2605C for 10 seconds JIS-C-5201-1 4.7 IEC-60115-1 4.7 1.42 times RCWV (RMS) for 1 minute JIS-C-5201-1 4.18 IEC-60068-2-58 8.2.1 2605C for 30 seconds JIS-C-5201-1 4.18 IEC-60115-1 4.18 -55C to +125/+155C, 5 cycles Storage Temperature: 25±3°C; Humidity < 80%RH Rev. 7a CRH Series High Power Chip Resistor MERITEK Packaging Packaging Quantity & Reel Specifications Type Packaging Quantity Reel Diameter ΦA (mm) 7 inch 178.5±1.5 10 inch 254±1.0 40K 13 inch 5K Tape Width 10K CRH0402 Paper CRH0603 CRH0805 CRH1206 CRH1210 Paper CRH2010 CRH2512 Embossed 20K 10K 8mm 8mm 20K 4K ΦB (mm) ΦC (mm) W (mm) T (mm) 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±0.5 330±1.0 100±0.5 13.0±0.2 9.5±0.5 13.5±0.5 7 inch 178.5±1.5 60+1/-0 13.0±0.2 9.0±0.5 12.5±0.5 10 inch 254±1.0 100±0.5 13.0±0.2 9.5±0.5 13.5±0.5 13 inch 330±1.0 100±0.5 13.0±0.2 9.5±0.5 13.5±0.5 7 inch 178.5±1.5 60 +1/-0 13.0±0.5 13.0±0.5 15.5±0.5 10 inch 250±1.0 62±0.5 13.0±0.5 12.5±0.5 16.5±0.5 +1/-0 60 12mm 8K Paper Tape Specifications B o tto m T ap e T o p T ap e ψ D0 E A F B T P ap er T ap e Type A (mm) B (mm) P1 R esisto r W (mm) E (mm) F (mm) P2 P0 (mm) P0 P1 (mm) W d irectio n o f u n reelin g P2 (mm) ΦD0 (mm) T (mm) CRH0402 0.65±0.10 1.15±0.10 8.0±0.20 1.75±0.10 3.50±0.05 4.00±0.10 2.00±0.05 2.00±0.05 1.50+0.1,-0 0.45±0.10 CRH0603 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 CRH0805 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 CRH1206 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 CRH1210 2.90±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 Rev. 7a CRH Series High Power Chip Resistor MERITEK Emboss Plastic Tape Specifications Top Tape ψ D0 E A F B W ψ D1 1.4Min. T P1 Resistor P2 P0 direction of unreeling Emboss Tape Type A (mm) B (mm) W (mm) E (mm) F (mm) P0 (mm) P1 (mm) P2 (mm) ΦD0 (mm) T (mm) CRH2010 2.8±0.10 5.5±0.10 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 CRH2512 3.5±0.10 6.7±0.10 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 Recommend Land Pattern CRH0402 A (mm) 0.50 B (mm) 0.45 C (mm) 0.60 CRH0603 0.90 0.60 0.90 CRH0805 1.20 0.70 1.30 CRH1206 2.00 0.90 1.60 CRH1210 2.00 0.90 2.80 CRH2010 3.80 0.90 2.80 CRH2512 3.80 1.60 3.50 Type C B A Rev. 7a