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| VFC1506 Vishay Foil Resistors High Precision Flip Chip, (Patents Pending in Industrialized Countries) FEATURES * * * * * * * * * Nominal TCR: 0.5ppm/C (- 55C to + 125C) Resistance Range: 10 to 40k Tolerance: to 0.01% Load Life Stability: 0.01% maximum R under full rated power at + 70C for 2000 hours Shelf Life Stability: 50ppm (0.005%) over several years Voltage Coefficient: < 0.00001%/volt (< 0.1ppm/V) Current Noise: < 0.010V (rms)/volt of applied voltage Non Inductive: < 0.08 Terminal Finishes Available: Lead (Pb)-free (Sn 99.3% Cu 0.7%) Tin/Lead Alloy (Sn 62% Pb 36% Ag 2%) Product may not be to scale The VFC1506 is a surface mountable flip chip resistor that utilizes Ultra Precision Bulk Metal(R) "Z" Foil. This product differs from other Vishay Bulk Metal(R) Foil surface mount devices in as much as it is installed with the foil side facing the PCB providing better power handling capabilities. The Foil element is isolated from the PCB by a protective overcoating. This overcoating plus the overall product design isolates the resistor from handling and installation stresses. The temperature coefficient of resistance (TCR) curve below shows the new revolutionary "Z" Foil with its nominal TCR of 0.5ppm/C. The Bulk Metal (R) Foil characteristics of excellent long term stability, low noise and availability of tight tolerance are maintained in this Flip Chip configuration. The VFC1506 is available in any value within the specified resistance range. The flip chip configuration is more economical for high volume, analog applications where high precision is required. TABLE 1 - RESISTANCE VALUE VS TOLERANCE AND TCR VALUE () 100 to 40k 50 to < 100 25 to < 50 10 to < 25 STANDARD TOLERANCE (%)* 0.01 0.05 0.1 0.25 MAXIMUM TCR** 2.0ppm/C 3.0ppm/C 4.0ppm/C 5.0ppm/C *Tighter tolerances are available. Please contact Application Engineering. **Range; - 55C to + 125C, + 25C reference. FIGURE 1 - NOMINAL TCR Z FOIL Z Foil 0.5PPM/C + 150 + 100 R R + 50 0 TABLE 2 - TYPICAL PERFORMANCE SPECIFICATIONS TEST MIL-PRF-55342 VFC1506 CHARACTERISTIC E MAXIMUM R LIMITS* R LIMITS** 25ppm/C 0.10% 0.10% 0.10% 0.10% 0.20% 0.20% 0.50% See Table 1 0.02% 0.02% 0.02% 0.03% 0.02% 0.03% 0.01% Temperature Coefficient of Resistance Thermal Shock Low Temperature Operation Short Time Overload High Temperature Exposure Resistance to Bonding - 25 0 + 25 + 50 + 75 + 100 + 125 (PPM) - 50 - 100 - 150 - 200 - 50 - 55 Moisture Resistance Life 2000hrs at + 70C Ambient Temperature (C) The TCR for values < 100 are influenced by the termination composition and result in a deviation from this curve. NOTES: * As shown + 0.01 to allow for measurement error. ** As shown + 0.01 to allow for measurement error for values less than 100. 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/SCANDANAVIA: foilsales.eunorth@vishay.com * GERMANY/CZECH REPUBLIC/AUSTRIA: foilsales.eucentral@vishay.com For technical questions in the Americas, contact foilsupport1@vishay.com Document Number: 63083 For technical questions in Asia/Japan/Europe/Africa/Israel, contact foilsupport2@vishay.com Revision 13-Aug-04 www.vishay.com N1 VFC1506 Vishay Foil Resistors Bulk Metal(R) Foil Technology High Precision Flip Chip, Patent Pending FIGURE 3 - CHIP CONFIGURATION High Purity Alumina Substrate Resistive Bulk(R) Metal Foil FIGURE 2 - POWER DERATING CURVE Percent of Rated Power 125 100 75 50 25 0 -75 -55C +70C Rated Power Solder Protective Coating -50 -25 0 +25 +50 +75 +100 +125 +150 +175 Ambient Temperature (C) FIGURE 4 - DIMENSIONS AND LAND PATTERN in inches (millimeters) Bottom View (Showing Terminals for Mounting): Solder Terminal (2) D Land Pattern W W1 G X L - 0.003 (0.08) L CHIP SIZE 1506 L 0.150 (3.81) W 0.062 (1.57) THICKNESS 0.025 (0.64) D W1 0.059 (1.50) Z 0.150 (3.81) Z G 0.120 (3.05) X 0.062 (1.57) 0.005 (0.13) 0.005 (0.13) MAXIMUM 0.003 (0.08) 0.012 (0.30) 0.003 ( 0.008) 0.003 ( 0.008) 0.003 ( 0.008) 0.003 ( 0.008) TABLE 3 - PROPERTIES RESISTANCE RANGE () 10R - 40K POWER + 70C (mW) 125 MAXIMUM VOLTAGE (V) 61 MAXIMUM WEIGHT (mg) 12 TABLE 4 - ORDERING INFORMATION MODEL VFC CHIP SIZE 1506 RESISTANCE RANGE RESISTANCE VALUE LETTER MULTIPLIER DESIGNATOR FACTOR TOLERANCE T Q A B C D F 0.01% 0.02% 0.05% 0.1% 0.25% 0.5% 1.0% TERMINATION S - Lead (Pb)-free B - Tin/Lead PACKAGING T = Tape and Reel W = Waffle Pack 10 to <1K R x 1.0 Example: 249R00 = 249 1K to 40K K Example: 10K000 = 10.0K Patent Pending x 103 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/SCANDANAVIA: foilsales.eunorth@vishay.com * GERMANY/CZECH REPUBLIC/AUSTRIA: foilsales.eucentral@vishay.com www.vishay.com N2 For technical questions in the Americas, contact foilsupport1@vishay.com Document Number: 63083 For technical questions in Asia/Japan/Europe/Africa/Israel, contact foilsupport2@vishay.com Revision 13-Aug-04 |
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