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| H Series Vishay Foil Resistors Hermetically Sealed High Precision Bulk Metal(R) Foil Technology Resistors with TCR of 2 ppm/C, Tolerance of 0.001 % and Load Life Stability of 0.005 % FEATURES * Temperature coefficient of resistance (TCR): 2 ppm/C typical (- 55 C to + 125 C, + 25 C ref.) * Power rating: 0.3 to 2.5 W at + 25 C (depending on model - see table 2) * Tolerance: to 0.001 % Any value at any tolerance available within resistance range Pb-free Available RoHS* COMPLIANT * Load life stability: 0.005 % (70 C for 2000 h at half rated power) * Shelf life stability: 2 ppm for at least 10 years * Resistance range: 5 to 1.84 M (higher or lower values of resistance available) * Electrostatic discharge (ESD) above 25 000 V * Rise time: 1.0 ns without ringing * Current noise: < - 40 dB * Thermal EMF: 0.05 V/C typical * Voltage coefficient: < 0.1 ppm/V * Non inductive: < 0.08 H * Non inductive, non capacitive design * Non hot spot design * Terminal finishes available: lead (Pb)-free tin/lead alloy INTRODUCTION The H series resistors are oil-filled, hermetically sealed ultra precision resistors. The hermetic sealing eliminates the ingress of moisture and oxygen, while the oil acts as a thermal conductor, thus eliminating long term degradation elements of unsealed resistors, while at the same time allowing the device to accept short periods of overload without degradation. Vishay's Bulk Metal(R) Foil outperforms all other resistor technologies available today for applications that require precision and stability. When combined with the hermetic sealing and oil filling, the H series resistors become one of the most precise and stable resistors available. With accuracies of 0.001 %, a resistance range from 5 to 1.84 M, and long term shelf life of less than 2 ppm, these devices are virtually secondary standards that can be carried in sets for daily or periodic calibration of factory measurement equipment. * Impervious to harmful environments - oil-filled * Any value available within resistance range (e.g. 1K234) * Prototype samples available from 48 h. For more information, please contact foil@vishay.com * For better performances, please see H series (Z) Note Load life stability can be considerably improved through in-house oriented tests TABLE 1 - TOLERANCE AND TCR VERSUS RESISTANCE VALUE RESISTANCE VALUE () 80 to < 1M84 50 to < 80 5 to < 50 TYPICAL TCR AND MAX. SPREAD (- 55 C to + 125 C, + 25 C ref.) (ppm/C) 2 2.5 2 3.5 2 4.5 FIGURE 1 - POWER DERATING CURVE Percent of Rated Power + 100 + 75 + 50 + 25 0 - 50 - 25 0 + 25 + 50 + 75 + 100 + 125 + 150 + 175 - 55 C Ambient Temperature (C) * Pb containing terminations are not RoHS compliant, exemptions may apply Document Number: 63006 Revision: 14-Nov-07 For any questions, contact: foil@vishay.com www.vishay.com 1 H Series Vishay Foil Resistors Hermetically Sealed High Precision Bulk Metal(R) Foil Technology Resistors with TCR of 2 ppm/C, Tolerance of 0.001 % and Load Life Stability of 0.005 % FIGURE 3 - FOIL RESISTOR TYPICAL TCR CURVE + 150 + 100 FIGURE 2 - TRIMMING TO VALUES (Conceptual Illustration) 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 R + 50 C Alloy 2 ppm/C 0 R (ppm) Mutual Inductance Reduction due to Change in Current Direction - 50 - 100 - 150 - 200 - 50 - 55 - 25 0 + 25 + 50 + 75 + 100 2 ppm/C + 125 Temperature (C) Note: Foil shown in black, etched spaces in white TABLE 2 - MODEL SELECTION MODEL NUMBER RESISTANCE RANGE () STANDARD RESISTANCE MAXIMUM POWER AVERAGE TOLERANCE CONSTRUCTION WEIGHT WORKING RATING BRIEF TIGHTEST LOOSEST VOLTAGE2) at + 25 C (g) () (%) Oil-filled, tinned copper leads, nickel shell, kovar and glass header DIMENSIONS3) INCHES W: 0.185 0.020 L: 0.435 0.020 H: 0.430 0.020** LL: 1.000 0.125 LS: 0.150 0.0104) ST: 0.095 max. L: 0.625 0.031 D: 0.375 0.031 LL: 1.000 min. L: 1.000 0.031 D: 0.375 0.031 LL: 1.000 min. L: 0.625 0.031 D: 0.500 0.031 LL: 1.000 min. Oil-filled, tinned copper leads, L: 1.000 0.031 tinned brass shell, D: 0.500 0.031 kovar and LL: 1.000 min. glass end bells mm 4.70 0.51 11.05 0.51 10.92 0.51 25.4 3.18 3.81 0.25 2.41 max. 15.88 0.79 9.53 0.79 25.4 min. 25.4 0.79 9.53 0.79 25.4 min. 15.88 0.79 12.7 0.79 25.4 min. VHP202 5 to 100K > 100K to 150K 300 0.3 W 0.2 W 1.4 VHA412 5 to 100K > 100K to 150K 5 to 200K > 200K to 335K 5 to 300K > 300K to 500K 5 to 400K > 400K to 668K 5 to 500K > 500K to 835K 5 to 600K > 600K to 1M 1K to 1) 250 0.3 W 0.2 W 0.5 W 0.3 W 0.75 W 0.4 W 1.0 W 0.5 W 1.25 W 0.6 W 1.5 W 0.7 W 1.75 W 0.8 W 2.0 W 0.9 W 2.25 W 1.0 W 2.5 W 1.1 W 2.5 W 1.2 W 4.6 VHA414 0.001 0.1 350 7.3 500 to < 1K 0.0025 0.1 VHA512* 50 to < 500 30 to < 50 VHA516-4* VHA516-5* VHA516-6* VHA518-7* 20 to < 30 10 to < 20 5 to < 10 0.005 0.1 0.01 0.1 0.02 0.1 0.05 0.1 0.1 0.1 500 350 6.3 9.2 25.4 0.79 12.7 0.79 25.4 min. 5 to 700K > 700K to 1M17 5 to 800K VHA518-8* > 800K to 1M34 5 to 900K VHA518-9* > 900K to 1M5 5 to 1.0M VHA518-10* > 1.0M to 1M67 5 to 1.0M VHA518-11* > 1.0M to 1M84 Notes * Available in a 4-lead terminal ** 0.375 H available See next page for numbered footnotes www.vishay.com 2 600 13.5 L: 1.500 0.031 D: 0.500 0.031 LL: 1.000 min. 38.1 0.79 12.7 0.79 25.4 min. For any questions, contact: foil@vishay.com Document Number: 63006 Revision: 14-Nov-07 H Series Hermetically Sealed High Precision Bulk Metal(R) Foil Vishay Foil Resistors Technology Resistors with TCR of 2 ppm/C, Tolerance of 0.001 % and Load Life Stability of 0.005 % FIGURE 4 - STANDARD IMPRINTING AND DIMENSIONS Front View L VISHAY XXXX VHP202 Rear View W 100R01 0.01% XXXX ST Resistance Value Code Tolerance Serial No. Lead Material #22 AWG Round Solder Coated Copper D Date Code 07 10 Year Week Model No. VHA412 100R01 0.005% VISHAY XXXX L LL H Model Number Date Code 07 06 Year Week LS LL Lead Material #22 AWG Round Solder Coated Copper Resistance Value Code Tolerance TABLE 3 - "H" SERIES SPECIFICATIONS Stability8) Load life at 2000 h Shelf life Current Noise High Frequency Operation Rise time Inductance (L)5) Capacitance (C) Voltage Coefficient Thermal EMF7) Hermeticity 1.0 ns without ringing 0.1 H maximum; 0.08 H typical 1.0 pF maximum; 0.5 pF typical < 0.1 ppm/V6) 0.1 V/C maximum; 0.05 V/C typical; 1 V/W maximum 10-7 atmospheric cc/s maximum 0.002 % maximum R at 0.1 W per chip and at + 60 C 2 ppm (0.0002 %) for at least 10 years < - 40 dB Notes 1. Upper end of resistance range varies with model selected (i.e. VHP202; the range is to 150 k; VHA518-10, the range is to 1M67 ) per table 2 2. Not to exceed power rating of resistor 3. Insulating sleeve - a special case insulating plastic sleeve is available on VHA models. See table 4 for instructions on how to specify 4. 0.200" (5.08 mm) lead spacing available - specify VH202J 5. Inductance (L) due mainly to the leads 6. The resolution limit of existing test equipment (within measurement capability of the equipment, or "essentially zero") 7. V/C relates to EMF due to lead temperature difference and V/W due to power applied to the resistor 8. Load life R maximum. Can be reduced through in-house oriented processes Document Number: 63006 Revision: 14-Nov-07 For any questions, contact: foil@vishay.com www.vishay.com 3 H Series Vishay Foil Resistors Hermetically Sealed High Precision Bulk Metal(R) Foil Technology Resistors with TCR of 2 ppm/C, Tolerance of 0.001 % and Load Life Stability of 0.005 % TABLE 4 - GLOBAL PART NUMBER INFORMATION NEW GLOBAL PART NUMBER: Y0019120K500V9L (preferred part number format) DENOTES PRECISION Y VALUE R= K = k M = M AER* 0 = standard 1 = tin/lead with plastic sleeve 9 = lead (Pb)-free 19 = lead (Pb)-free with plastic sleeves 2 - 999 = custom Y 0 0 1 9 1 2 0 K 5 0 0 V 9 L PRODUCT CODE 0024 = VHP202 and VH202C 0019 = VHA412 0025 = VHA414 0023 = VHA512 0104 = VHA516-4 0105 = VHA516-5 0106 = VHA516-6 0107 = VHA518-7 0108 = VHA518-8 0109 = VHA518-9 0110 = VHA518-10 0111 = VHA518-11 RESISTANCE TOLERANCE S = 0.001 % U = 0.002 % X = 0.0025 % V = 0.005 % T = 0.01 % Q = 0.02 % A = 0.05 % B = 0.1 % C = 0.25 % D = 0.5 % F = 1.0 % PACKAGING L = bulk pack FOR EXAMPLE: ABOVE GLOBAL ORDER Y0019 120K500 V 9 L: TYPE: VHA412 VALUE: 120.5 k ABSOLUTE TOLERANCE: 0.005 % TERMINATION: lead (Pb)-free PACKAGING: bulk pack HISTORICAL PART NUMBER: VHA412T 120K50 V B (will continue to be used) VHA412 MODEL VHP202 and VH202C VHA412 VHA414 VHA512 VHA516-4 VHA516-5 VHA516-6 VHA518-7 VHA518-8 VHA518-9 VHA518-10 VHA518-11 Note * For non-standard requests, please contact application engineering. T TERMINATION T = lead (Pb)-free None = tin/lead PLASTIC SLEEVE P = plastic sleeve None = standard 120K50 OHMIC VALUE 120K50 = 120.5 k V TOLERANCE S = 0.001 % U = 0.002 % X = 0.0025 % V = 0.005 % T = 0.01 % Q = 0.02 % A = 0.05 % B = 0.1 % C = 0.25 % D = 0.5 % F = 1.0 % B PACKAGING B = bulk pack www.vishay.com 4 For any questions, contact: foil@vishay.com Document Number: 63006 Revision: 14-Nov-07 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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