DATASHEET SEARCH SITE | WWW.ALLDATASHEET.COM
Document overview
- Manufacturer or author: Provided By ALLDATASHEET.COM(FREE DATASHEET DOWNLOAD SITE)
- PDF pages: 6
Technical content
Rev. 7a High Power Chip Resistor MERITEK CRH Series 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 1206 1210 2010 2512 Function Code H U High Power Ultra High Power Resistance Value 5% 3 digits. First 2 are significant, Third is multiplier (10 x 1% 4 digits. First 3 are significant, Forth is multiplier (10 x Resistance Tolerance Code F J Value ±1% ±5% Derating Curve 100 0 20 40 60 80 100 120 140 160 Ambient Temperature ( ℃ ) Power ratio (%) CRH0402 CRH0603 CRH0805 CRH1206 CRH1210 CRH2010 CRH2512
Rev. 7a High Power Chip Resistor MERITEK CRH Series Construction Unit: mm Type Size (Inch) L (mm) W (mm) T (mm) (mm) (mm) Weight (g) (1000pcs) Soldering Condition I R R e f l o w S o l d e r i n g W a v e S o l d e r i n g ( F l o w S o l d e r i n g ) (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 Alumina Substrate Edge Electrode (NiCr) Resistor Layer (RuO2/Ag) Bottom Electrode (Ag) Barrier Layer (Ni) Primary Overcoat (Glass) Top Electrode (Ag-Pd) External Electrode (Sn) Secondary Overcoat (Epoxy) L T W
Rev. 7a High Power Chip Resistor MERITEK CRH Series Resistance Range: >1Ω High Power Rating Electrical Specifications Item Type Power Rating at 70C Operating Temp. Range Max. Operating Voltage Max. Overload Voltage Resistance Range TCR (PPM/°C) ±1% ±5% CRH0402 1/8W -55 ~ +155C 50V 100V 1Ω - 9.76Ω 10Ω - 1MΩ ±200 ±100 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 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 Resistance Range TCR (PPM/°C) ±1% ±5% CRH0402 1/8W -55 ~ +155C 50V 100V 1Ω - 9.76Ω 10Ω - 1MΩ ±200 ±100 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 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 I t e m Type Power Rating at 70C Operating Temp. Range Resistance Range (mΩ) TCR (PPM/C) ±1% ±5% CRH0402 1/16W -55 ~ +155C 50 - 91 100 - 976 800 500 CRH0603 1/10W -55 ~ +155C 20 - 47 50 - 91 100 - 976 1200 800 500 CRH0805 1/8W -55 ~ +155C 10 - 18 20 - 47 50 - 91 100 - 976 1500 1200 800 500 CRH1206 1/4W -55 ~ +155C CRH1210 1/3W -55 ~ +155C 10 - 18 20 - 91 100 - 976 1500 800 500 CRH2010 3/4W -55 ~ +155C CRH2512 1W -55 ~ +155C
Rev. 7a High Power Chip Resistor MERITEK CRH Series Environmental Characteristics Item Requirement Test Method 1% and Below 5% Jumper Temperature Coefficient of Resistance (T.C.R.) As Spec. JIS-C-5201-1 4.8 IEC-60115-1 4.8 -55C~+125C, 25C is the reference temperature Short Time Overload (1.0%+0.05Ω) (2.0%+0.05Ω) <50mΩ 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 Insulation Resistance 10G JIS-C-5201-1 4.6 IEC-60115-1 4.6 Max. overload voltage for 1 minute Endurance (1.0%+0.10Ω) (2.0%+0.10Ω) <100mΩ 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” Damp Heat with Load (1.0%+0.10Ω) (2.0%+0.10Ω) <100mΩ 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” Dry Heat (1.0%+0.05Ω) (1.5%+0.10Ω) <50mΩ 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 JIS-C-5201-1 4.33 IEC-60115-1 4.33 Bending once for 5 seconds 2010, 2512 sizes: 2mm Other sizes: 3mm Solderability 95% min. coverage JIS-C-5201-1 4.17 IEC-60115-1 4.17 2455C for 3 seconds Resistance to Soldering Heat (0.5%+0.05Ω) (1.0%+0.05Ω) <50mΩ JIS-C-5201-1 4.18 IEC-60115-1 4.18 2605C for 10 seconds Voltage Proof No breakdown or flashover JIS-C-5201-1 4.7 IEC-60115-1 4.7 1.42 times RCWV (RMS) for 1 minute Leaching Individual leaching area ≦5% Total leaching area ≦ 10% JIS-C-5201-1 4.18 IEC-60068-2-58 8.2.1 2605C for 30 seconds Rapid Change of Temperature (0.5%+0.05Ω) (1.0%+0.05Ω) <50mΩ 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 High Power Chip Resistor MERITEK CRH Series Packaging P a c k a g i n g Q u a n t i t y & R e e l S p e c i f i c a t i o n s Paper Tape Specifications Type A (mm) B (mm) W (mm) E (mm) F (mm) (mm) (mm) (mm) ΦD0 (mm) T (mm) Type Packaging Quantity Tape Width Reel Diameter ΦA (mm) ΦB (mm) ΦC (mm) W (mm) T (mm) CRH0402 Paper 10K 8mm CRH0603 CRH0805 CRH1206 CRH1210 Paper 8mm 7 inch 178.5±1.5 60 CRH2010 CRH2512 Embossed 12mm W E F ψ D 0 P1 P2 P0 direction of unreeling A B Top TapeBottom Tape ResistorPaper Tape T
Rev. 7a High Power Chip Resistor MERITEK CRH Series Emboss Plastic Tape Specifications Type A (mm) B (mm) W (mm) E (mm) F (mm) (mm) (mm) (mm) ΦD0 (mm) T (mm) Recommend Land Pattern Type A (mm) B (mm) C (mm) CRH0402 0.50 0.45 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 W E F ψ D 0 P1 P2 P0 direction of unreeling A B Top Tape Resistor Emboss Tape T ψ D1 1.4Min. B A C