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CSM Datasheet(PDF) 1 Page - Vishay Siliconix |
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CSM Datasheet(HTML) 1 Page - Vishay Siliconix |
1 / 8 page Bulk Metal® Technology High Precision, Current Sensing, Power Surface Mount, Metal Strip Resistor with Resistance Value from 1 mΩ, Rated Power up to 3 W and TCR to 0 ± 15 ppm/°C Maximum CSM Series Vishay Foil Resistors Document Number: 63089 For any questions, contact: foil@vishaypg.com www.vishayfoilresistors.com Revision: 3-May-11 1 No minimum order quantity and any value at any tolerance available within resistance range. Vishay Foil Resistors’ application engineering department is available to advise and make recommendations. For non-standard technical requirements and special applications, please contact foil@vishaypg.com. I A R Zin I D V =~ ∞ BC Four terminal (Kelvin) design: allows for precise and accurate measurements. FIGURE 1 - POWER DERATING CURVE - 65 - 50 - 25 0 25 50 75 100 125 150 170 Ambient Temperature (°C) 100 80 60 40 20 0 + 70 °C FEATURES • Temperature coefficient of resistance: ± 15 ppm/°C max. (- 55 °C to + 125 °C, + 25 °C ref.); ± 10 ppm/°C max. (- 55 °C to + 125 °C, + 25 °C ref.) is available on request (see table 1) • Power rating: 1 W to 3 W • Resistance tolerance: ± 0.1 % • Resistance range: 1 mΩ to 200 mΩ (1) • Vishay Foil resistors are not restricted to standard values, specific “as required” values can be supplied at no extra cost or delivery (e.g. 2.3456 m Ω vs. 2 mΩ) • Load life stability to ± 0.2 % (70 °C, 2000 h at rated power) • Short time overload: ± 0.1 % typical • Thermal EMF: 3 µV/°C (DC offset error, significant for low values) • Maximum current: up to 54 A • Proprietary processing techniques produce low TCR, tight tolerance and improve stability • Low inductance < 5 nH • Solderable terminations • Excellent frequency response to 50 MHz • Matched sets are available on request • Screening in accordance with EEE-INST002 available (per MIL-PRF-55342 and MIL-PRF-49465; see 303144 and 303145 datasheets) • Terminal finishes available: lead (Pb)-free, tin/lead alloy • Prototype quantities available in just 5 working days or sooner. For more information, please contact foil@vishaypg.com • For better performance please contact Application Engineering • Compliant to RoHS directive 2002/95/EC TABLE 1 - SPECIFICATIONS PARAMETER CSM2512 CSM3637 Resistance Range 1 m Ω to 200 mΩ (1) Power Rating at 70 °C 1 W (2) 3 W ( 1 m Ω to 10 mΩ) 2 W (> 10 m Ω to 200 mΩ) Maximum Current (3) 31 A 54 A Tolerance ± 0.5 % (1 m Ω to < 3 mΩ) ± 0.1 % (3 m Ω to 200 mΩ) ± 0.5 % (1 m Ω to < 2 mΩ) ± 0.1 % (2 m Ω to 200 mΩ) Temperature Coefficient Max. (- 55 °C to + 125 °C, + 25 °C Ref.) ± 50 ppm/°C (1 m Ω to < 3 mΩ) ± 15 ppm/°C (3 m Ω to 200 mΩ) ± 10 ppm/°C (3 m Ω to 10 mΩ) is available on request (4) ± 25 ppm/°C (1 m Ω to < 3 mΩ) ± 15 ppm/°C (3 m Ω to 200 mΩ) ± 10 ppm/°C (1 m Ω to 10 mΩ) is available on request (4) Operating Temperature Range - 65 °C to + 170 °C Maximum Working Voltage (P x R)1/2 Weight (Maximum) 0.09 g 0.29 g Notes (1) For CSM2512 up to 500 m Ω please contact application engineering: foil@vishaypg.com (2) For values above 0.1 Ω derate linearly to 80 % rated power at 0.5 Ω (3) Maximum current for a given resistance value is calculated using I PR ⁄ = (4) Please contact application engineering: foil@vishaypg.com * Pb containing terminations are not RoHS compliant, exemptions may apply |
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