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| VCS1610 (Kelvin Connection) Vishay Foil Resistors High Precision Foil Surface Mount Current Sensing Chip Resistors with TCR of 2 ppm/C, Load Life Stability of 0.02 %, ESD Immunity up to 25 kV and Fast Thermal Stabilization FEATURES * Temperature coefficient of resistance (TCR): 2.0 ppm/C typical (- 55 C to + 125 C, Pb-free Available + 25 C ref.) (see table 1) RoHS* * Tolerance: to 0.5 % COMPLIANT * Load life stability: 0.02 % at 70 C, 2000 h at rated power * Power rating: 0.25 W at + 70 C * Electrostatic discharge (ESD) above 25 000 V * Fast thermal stabilization due to proprietary processing technique * Short time overload 0.005 % * Ohmic values: 0.2 to 0.5 (for higher or lower values please contact us) * Non inductive, non capacitive design * Thermal EMF: 0.05 V/C typical * Current noise: < - 42 dB * Rise time: 1 ns without ringing * Voltage coefficient: < 0.1 ppm/V * Non inductive: < 0.08 H * Weight: 0.027 mg Any value at any tolerance available within resistance range INTRODUCTION Model VCS1610 is a surface mount resistor designed with 4 pads for Kelvin connection. Utilizing Vishay Bulk Metal(R) Foil as the resistance element, it provides performance capabilities far greater than other resistor technologies can supply in a product of comparable size. Low TCR removes errors due to temperature gradients. The VCS1610 has improved load life stability of 0.02 % at + 70 C for 2000 h at rated power. Other technologies of current sensing resistors offer a load life stability of 0.5 % through a 1000 h workload. This small device dissipates heat almost entirely through the pads so surface mount users are encouraged to be generous with the board's pads and traces. Gold terminations are available on special order. Our application engineering department is available to advise and to make recommendations. For non standard technical requirements and special applications, please contact us. TERMINATIONS * Two lead (Pb)-free options are available: Gold plated or tin plated * Tin/lead plated FIGURE 1 - POWER DERATING CURVE Percent of Rated Power - 55 C 100 75 50 25 0 - 75 APPLICATIONS * Automatic test equipment (ATE) Electrical Schematic I1 R I2 E2 E1 + 70 C - 50 - 25 0 + 25 + 50 + 75 + 100 + 125 + 150 + 175 * * * * * * * Ambient Temperature (C) Airborne (in heads-up display systems) High precision instrumentation Electron beam recording equipment Electron microscopes Current sensing applications Force balance electronic scales Military * Medical * Down-hole (high temperature) TABLE 1 - TOLERANCE AND TCR VS. RESISTANCE VALUE (- 55 C to + 125 C, + 25 Ref.) VALUE () 0R200 to 0R500 TOLERANCE 0.5 %, 1 % TYPICAL TCR 2 ppm/C MAXIMUM TCR 15 ppm/C Note * Tighter tolerances and higher values are available. Please contact application engineering foil@vishay.com * Pb containing materials are not RoHS compliant, exemptions may apply Document Number: 63137 Revision: 23-Jul-08 For any questions, contact: foil@vishay.com www.vishay.com 1 VCS1610 (Kelvin Connection) Vishay Foil Resistors High Precision Foil Surface Mount Current Sensing Chip Resistors with TCR of 2 ppm/C, Load Life Stability of 0.02 %, ESD Immunity up to 25 kV and Fast Thermal Stabilization FIGURE 2 - DIMENSIONS in inches (millimeters) Mounting Pads (4) I1 0.200 (5.08) 0.070 (1.78) L A E1 B 0.070 (1.78) H W I2 E2 0.260 (6.60) Top View INCHES L H W A B 0.160 0.010 0.100 0.010 0.040 maximum 0.045 0.005 0.030 0.010 Bottom View Solder Pad Layout MILLIMETERS 4.06 0.25 2.54 0.25 1.02 maximum 1.14 0.13 0.76 0.25 FIGURE 3 - TRIMMING TO VALUES (Conceptual Illustration) FIGURE 4 - TYPICAL TCR CURVE + 150 + 100 Interloop Capacitance Reduction in Series Current Path Before Trimming Current Path After Trimming Trimming Process Removes this Material from Shorting Strip Area Changing Current Path and Increasing Resistance + 50 R 2 ppm/C (+ 25 C Reference) 0 R (ppm) - 50 - 100 - 150 - 200 - 50 - 25 0 + 25 + 50 + 75 + 100 + 125 Mutual Inductance Reduction due to Opposing Current in Adjacent Lines Ambient Temperature (C) Note: Foil shown in black, etched spaces in white TABLE 2 - PERFORMANCE SPECIFICATIONS TEST Thermal Shock 5 x (- 65 C to + 150 C) Low Temperature Operation Short Time Overload High Temperature Exposure Resistance to Soldering Heat Moisture Resistance Load Life 2000 h at 70 C Note * Measurement error 0.001 R MIL-PRF-55342 R LIMITS 0.10 % 0.10 % 0.10 % 0.10 % 0.2 % 0.2 % 0.5 % TYPICAL R LIMITS 0.005 % (50 ppm) 0.005 % (50 ppm) 0.005 % (50 ppm) 0.01 % (100 ppm) 0.01 % (100 ppm) 0.01 % (100 ppm) 0.02 % (200 ppm) www.vishay.com 2 For any questions, contact: foil@vishay.com Document Number: 63137 Revision: 23-Jul-08 VCS1610 (Kelvin Connection) High Precision Foil Surface Mount Current Sensing Chip Vishay Foil Resistors Resistors with TCR of 2 ppm/C, Load Life Stability of 0.02 %, ESD Immunity up to 25 kV and Fast Thermal Stabilization TABLE 3 - GLOBAL PART NUMBER INFORMATION NEW GLOBAL PART NUMBER: Y11200R40500D9W (preferred part number format) DENOTES PRECISION Y VALUE R= AER* 0 = tin/lead plated 9 = tin plated 19 = gold plated 1 - 999 = custom Y 1 1 2 0 0 R 4 0 5 0 0 D 9 W PRODUCT CODE 1120 = VCS1610 RESISTANCE TOLERANCE D F G J K = 0.5 % = 1.0 % = 2.0 % = 5.0 % = 10.0 % PACKAGING W = waffle pack R = tape and reel FOR EXAMPLE: ABOVE GLOBAL ORDER Y1120 0R40500 D 9 W: TYPE: VCS1610 VALUES: 0.405 ABSOLUTE TOLERANCE: 0.5 % TERMINATION: lead (Pb)-free PACKAGING: waffle pack Note * For non-standard requests or additional values, please contact application engineering. Document Number: 63137 Revision: 23-Jul-08 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 |
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