CSM2512S Vishay Foil Resistors Bulk Metal(R) Technology High Precision, Current Sensing, Power Surface Mount, Metal Strip Resistor with Improved Stability 0.05 %, Resistance Value from 10 m, Rated Power to 1 W and TCR to 0 15 ppm/C FEATURES PR O DU CT * Temperature coefficient of resistance (TCR): (- 55 C to + 125 C, + 25 C ref.) 15 ppm/C maximum 10 ppm/C maximum on special request * Load life stability to 0.05 % (70 C, 2000 h at rated power) * Power rating: 1 W * Tolerance: 0.1 % * Resistance range: 10 m to 100 m * Vishay Foil resistors are not restricted to standard values, we can supply specific "as required" values at no extra cost or delivery (e.g. 10.2345 m vs. 10 m) * Short time overload: 0.1 % typical * Thermal EMF: < 3 V/C * Maximum current: up to 10 A * Surface mount configuration * Four terminal (Kelvin) design: allows for precision accurate measurements * Terminal finish: lead (Pb)-free, tin/lead alloy * Compliant to RoHS directive 2002/95/EC * Prototype samples available from 72 h. For more information, please contact foil@vishay.com * Screening in accordance with EEE-INST002 available (MIL-PRF 55342 and MIL-PRF 49465) * For better performances please contact us The CSMS series of low value current sense resistors provides power and precision in a four terminal, surface mount configuration. Its all welded construction is made up of a Bulk Metal(R) resistive element with plated copper terminations. Our application engineering department is available to advise and make recommendations. IM PR O VE D For non-standard technical requirements and special applications, please contact us. FIGURE 1 - POWER DERATING CURVE I I I1 E1 E2 I2 V Percent of Rated Power R + 70 C 100 80 60 40 20 0 - 65 - 50 - 25 0 25 50 75 100 125 150 170 Ambient Temperature (C) TABLE 1 - PERFORMANCE SPECIFICATIONS PARAMETER CSM2512S Resistance Range 10 m to 100 m Power Rating at 70 C 1W Maximum Current 10 A (P x R)1/2 Maximum Working Voltage Tightest Tolerance Temperature Coefficient Maximum (- 55 C to + 125 C, + 25 C ref.) 0.1 % 15 ppm/C, 10 ppm/C is available Operating Temperature Range - 65 C to + 170 C Weight (maximum) 0.09 g * Pb containing terminations are RoHS compliant, exemptions may apply Document Number: 63145 Revision: 14-May-09 For any questions, contact: foil@vishay.com www.vishay.com 1 CSM2512S Vishay Foil Resistors FIGURE 2 - DIMENSIONS AND IMPRINTING in inches (millimeters) CSM2512S DIMENSIONS CSM2512S LAND PATTERN (1) H PR O DU CT I1 e E1 E2 d I2 B A L T W c I Kelvin Connection I1, I2 - Current E1, E2 - Sense b a DIMENSIONS - TOLERANCES 0.010 ( 0.254), * 0.015 ( 0.381) RESISTANCE RANGE () L W 0.01 to 0.1 0.250 (6.350) 0.125 (3.175) H T A B 0.025 (0.635) 0.030 (0.762) 0.030 (0.762)* 0.032 (0.813)* LAND PATTERN DIMENSIONS - TOLERANCES 0.003 ( 0.076) RESISTANCE RANGE () a b 0.01 to 0.1 0.065 (1.65) 0.145 (3.68) Note (1) White dot indicates top side of part for mounting purposes c d e l 0.045 (1.14) 0.021 (0.53) 0.055 (1.39) 0.160 (4.06) TABLE 2 - CSM2512S PERFORMANCE SPECIFICATIONS MIL-PRF-49465B R LIMITS TYPICAL R LIMITS MAXIMUM R LIMITS - 55 C to + 150 C, 1000 cycles, 15 min at each extreme (0.5 % + 0.0005R) 0.1 % 0.2 % 2000 h, 70 C at rated power (1.0 % + 0.0005R) 0.05 % 0.2 % Bias Humidity 85 C, 85 % humidity 10 % bias, 1000 h (0.5 % + 0.0005R) 0.05 % 0.2 % Short Time Overload 5 x rated power for 5 s (0.5 % + 0.0005R) 0.1 % 0.2 % High Temperature Exposure 1000 h, 170 C (1.0 % + 0.0005R) 0.2 % 0.3 % Low Temperature Storage MIL-PRF-49465 (0.5 % + 0.0005R) 0.05 % 0.1 % MIL-STD-202, method 106, 0 % power, 7a and 7b not required (0.5 % + 0.0005R) 0.02 % 0.05 % 100 g, 6 ms (0.1 % + 0.0005R) 0.02 % 0.05 % Vibration (10 Hz to 2000 Hz) 20 g (0.1 % + 0.0005R) 0.02 % 0.05 % Resistance to Soldering Heat 10 s to 12 s at + 260 C (0.25 % + 0.0005R) 0.05 % 0.1 % MIL-STD-202 95 % coverage - IM PR O VE D CONDITIONS TEST Thermal Shock Load Life Stability Moisture resistance Shock Solderability www.vishay.com 2 For any questions, contact: foil@vishay.com Document Number: 63145 Revision: 14-May-09 CSM2512S Vishay Foil Resistors TABLE 3 - GLOBAL PART NUMBER INFORMATION NEW GLOBAL PART NUMBER: Y44870R10000B0R (preferred part number format) VALUE CHARACTERISTICS (1) Y R= 0 = standard part, tin/lead termination 9 = standard part, lead (Pb)-free termination 1 - 999 = custom Y 4 4 8 7 PRODUCT CODE 0 R PR O DU CT DENOTES PRECISION 1 0 0 0 0 RESISTANCE TOLERANCE 4487 = CSM2512S B C D F B 0 R PACKAGING = 0.1 % = 0.25 % = 0.5 % = 1.0 % W = waffle pack R = tape and reel FOR EXAMPLE: ABOVE GLOBAL ORDER Y4487 0R10000 B 0 R: TYPE: CSM2512S VALUE: 100.0 m ABSOLUTE TOLERANCE: 0.1 % TERMINATION: standard tin/lead PACKAGING: tape and reel HISTORICAL PART NUMBER: CSM2512S 0R1000 B B T (will continue to be used) CSM2512S MODEL 0R1000 OHMIC VALUE ABS. TOLERANCE B C D F = 0.1 % = 0.25 % = 0.5 % = 1.0 % B T TERMINATION PACKAGING T = tape and reel W = waffle pack S = lead (Pb)-free B = tin/lead IM PR O VE D 0R1000 = 0.100 B Note (1) For non-standard requests, please contact application engineering. Document Number: 63145 Revision: 14-May-09 For any questions, contact: foil@vishay.com www.vishay.com 3 Legal Disclaimer Notice Vishay Disclaimer All product specifications and data are subject to change without notice. Vishay Intertechnology, Inc., its affiliates, agents, and employees, and all persons acting on its or their behalf (collectively, "Vishay"), disclaim any and all liability for any errors, inaccuracies or incompleteness contained herein or in any other disclosure relating to any product. Vishay disclaims any and all liability arising out of the use or application of any product described herein or of any information provided herein to the maximum extent permitted by law. The product specifications do not expand or otherwise modify Vishay's terms and conditions of purchase, including but not limited to the warranty expressed therein, which apply to these products. No license, express or implied, by estoppel or otherwise, to any intellectual property rights is granted by this document or by any conduct of Vishay. The products shown herein are not designed for use in medical, life-saving, or life-sustaining applications unless otherwise expressly indicated. Customers using or selling Vishay products not expressly indicated for use in such applications do so entirely at their own risk and agree to fully indemnify Vishay for any damages arising or resulting from such use or sale. Please contact authorized Vishay personnel to obtain written terms and conditions regarding products designed for such applications. Product names and markings noted herein may be trademarks of their respective owners. Document Number: 91000 Revision: 18-Jul-08 www.vishay.com 1