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| VCS2516 Vishay Foil Resistors SURFACE MOUNT Bulk Metal(R) Foil Technology Surface Mount Current Sensing Chip Resistors FEATURES * Low Ohmic Values: 0.01 to 1.0 * Low Temperature Coefficient of Resistance (TCR): 10ppm/C, nominal (- 55C to + 125C, + 25C Ref.) * Tight Resistance Tolerance: to 0.1% * High Power Rating: 1 watt at + 85C * Current Rating: 5 Amperes maximum * Low Thermal EMF: 0.05V/C typical * Low Current Noise: - 40dB * Low Voltage Coefficient: < 0.1ppm/V * Non Inductive: < 0.08H Product may not be to scale INTRODUCTION Model VCS2516 are surface mount resistors designed with 4 pads for kelvin connection. Utilizing Vishay Bulk Metal(R) Foil as the resistance element, they provide performance capabilities far greater than other resistor technologies can supply in a product of comparable size. These small devices dissipate the heat almost entirely through the pads so surface mount users are encouraged to be generous with the pads and board traces. Some hybrid users may want to use conductive epoxy for the interconnection and gold terminations are available on special order. (Tin/lead oxidizes on the surface and the conductive epoxy joint eventually fails electrically.) Lead (Pb)-free terminations (100% Sn) are also availiable. Our Application Engineering Department is prepared to advise and to make recommendations for non standard technical requirements and special applications, Please contact us. TERMINATIONS * Lead (Pb)-free two options are available: Gold Plated Tin Plated * Tin/Lead (Sn 60% Pb 40%) Plated APPLICATIONS * * * * * * * * Automatic test equipment (ATE) Airborne (in heads-up display systems) High precision instrumentation R2 Electron beam recording equipment R1 Electron microscopes Vin + Current sensing applications Forced balance electronic scales Applications that require superior frequency stability etc. Vout FIGURE 1 - DIMENSIONS in inches and millimeters .200 (5.08) .070 (1.78) L W Mounting Pads (4) I1 A E1 I1 E1 B H I2 E2 R .070 (1.78) .260 (6.60) I2 Top View Bottom View Solder Pad Layout Electrical Schematic E2 DIMENSIONS INCHES L H W A B 0.250 0.010 0.160 0.010 0.040 maximum 0.080 0.005 0.040 0.010 mm 6.35 0.25 4.06 0.25 1.02 maximum 2.03 0.13 1.02 0.25 SALES * ISRAEL: foilsales.israel@vishay.com * FRANCE/SWITZERLAND/SOUTHERN EUROPE: foilsales.eusouth@vishay.com * AMERICAS: foilsales.usa@vishay.com * ASIA/JAPAN: foilsales.asia@vishay.com * UK/HOLLAND/SCANDINAVIA: foilsales.eunorth@vishay.com * GERMANY/CZECH REPUBLIC/AUSTRIA: foilsales.eucentral@vishay.com www.vishay.com 32 For technical questions in the Americas, contact foilsupport1@vishay.com Document Number: 63023 For technical questions in Asia/Japan/Europe/Africa/Israel, contact foilsupport2@vishay.com Revision 26-Jan-05 VCS2516 Vishay Foil Resistors SURFACE MOUNT TABLE 1 - TEMPERATURE COEFFICIENT OF RESISTANCE - 55C TO + 125C, + 25C REF. VALUE () > 0R500 to 1R0 > 0R100 to 0R500 > 0R050 to 0R100 > 0R030 to 0R050 > 0R020 to 0R030 0R01 to 0R020 TCR (ppm/C) 10 15 20 35 50 80 TABLE 2 - PERFORMANCE SPECIFICATIONS TEST Thermal Shock 5x (-65C to + 150C) Low Temperature Operation Short Time Overload High Temperature Exposure Resistance to Bonding Exposure Moisture Resistance Life 2000 @ 70C: Rated Power On Ceramic PCB *Error at low values as shown + 0.001 for measurement. MIL-PRF-55342 R LIMITS 0.10% 0.10% 0.10% 0.10% 0.2% 0.2% 0.5% R LIMITS* 0.02% 0.02% 0.02% 0.02% 0.05% 0.03% 0.05% MAXIMUM TABLE 3 - CHARACTERISTICS MODEL NUMBER VCS2516 RESISTANCE RANGE 0.1 to 1.0 0.01 to < 0.1 RESISTANCE TOLERANCE 1.0% Standard 0.5% and 0.1% available Note: Tighter Tolerances are available. Please contact Application Engineering. POWER RATING @ + 85C 1 watt on ceramic substrate (0.5 W on FR4 PC Board) MAXIMUM CURRENT 5 Ampere TABLE 4 - ORDERING INFORMATION MODEL VCS CHIP SIZE 2516 RESISTANCE VALUE RESISTANCE RANGE 0.01 to 1.0 LETTER DESIGNATOR R MULTIPLIER FACTOR x 1.0 TOLERANCE A 0.05% B 0.1% C 0.25% D 0.5% F 1.0% G 2.0% J 5.0% TERMINATION S - Lead (Pb)-free B - Tin/Lead G - Gold Plated PACKAGING T = Tape and Reel W = Waffle PacK SALES * ISRAEL: foilsales.israel@vishay.com * FRANCE/SWITZERLAND/SOUTHERN EUROPE: foilsales.eusouth@vishay.com * AMERICAS: foilsales.usa@vishay.com * ASIA/JAPAN: foilsales.asia@vishay.com * UK/HOLLAND/SCANDINAVIA: foilsales.eunorth@vishay.com * GERMANY/CZECH REPUBLIC/AUSTRIA: foilsales.eucentral@vishay.com For technical questions in the Americas, contact foilsupport1@vishay.com Document Number: 63023 For technical questions in Asia/Japan/Europe/Africa/Israel, contact foilsupport2@vishay.com Revision 26-Jan-05 www.vishay.com 33 |
Price & Availability of VCS2516
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