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| HZ Series (Z-Foil) Vishay Foil Resistors Hermetically Sealed Ultra High Precision Z-Foil Technology Resistors with TCR of 0.2 ppm/C, Tolerance of 0.001 % and Load Life Stability of 0.005 % FEATURES * Temperature coefficient of resistance (TCR): 0.2 ppm/C typical (- 55 C to + 125 C, + 25 C ref.) * Power coefficient "R due to self heating": 5 ppm at rated power * Tolerance: to 0.001 % Any value available within resistance range * Load life stability 0.002 % maximum R (60 C for 2000 h at 0.1 W per chip) * Electrostatic discharge (ESD) > 25 000 V * Resistance range: 5 to 1.1 M (higher or lower values of resistance available) * Power rating: 0.3 to 2.5 W at + 25 C (depending on model - see table 2) * Shelf life stability: 2 ppm for at least 10 years * Non inductive, non capacitive design * Non hot spot design * 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 * Terminal finishes available: lead (Pb)-free tin/lead alloy INTRODUCTION The Z-foil based oil filled, hermetically sealed HZ-series resistors represent an industry breakthrough. 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. The Z-foil technology provides a significant reduction of the resistive components sensitivity to ambient temperature variations (TCR) and applied power changes (PCR). When combined with the hermetic sealing and oil filling, the H-series resistors become the most precise and stable resistors available. With accuracies of 0.001 % and a resistance range from 5 to 1.1 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. The VHA series is also available with laboratory and metrology level precision and long term stability with additional in-house oriented process such as: special TCR plotting, mounted chip stabilization, thermal shock and bake prior to sealing, combined thermal shock and power conditioning on finished product, thermal and power conditioning, component linearity test. * Impervious to harmful environments - oil filled * For better performances, please contact us FIGURE 1 - TRIMMING TO VALUES (Conceptual Illustration) TABLE 1 - TOLERANCE AND TCR VS. RESISTANCE VALUE RESISTANCE VALUE () 100 to < 1M1 50 to < 100 5 to < 50 TYPICAL TCR AND MAX. SPREAD (- 55 C to + 125 C, + 25 C ref.) (ppm/C)1) 0.2 2 0.2 3 0.2 4 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 Mutual Inductance Reduction due to Opposing Current in Adjacent Lines Note: Foil shown in black, etched spaces in white Note 1. For lower TCR and for selected TCR tracking, please contact us Document Number: 63120 Revision: 17-Jun-08 For any questions, contact: foil@vishay.com www.vishay.com 1 HZ Series (Z-Foil) Vishay Foil Resistors Hermetically Sealed Ultra High Precision Z-Foil Technology Resistors with TCR of 0.2 ppm/C, Tolerance of 0.001 % and Load Life Stability of 0.005 % TABLE 2 - MODEL SELECTION MODEL NUMBER VHP202Z VHP202ZJ RESISTANCE RANGE () 10 to 66k 66K to 100K STANDARD RESISTANCE MAXIMUM POWER AVERAGE TOLERANCE CONSTRUCTION WEIGHT WORKING RATING BRIEF TIGHTEST LOOSEST VOLTAGE2) at + 25 C (g) () (%) 300 0.3 W 0.2 W 1.4 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. L: 1.000 0.031 Oil-filled, D: 0.500 0.031 tinned copper LL: 1.000 Min. leads, tinned brass shell, kovar and glass end bells L: 1.500 0.031 D: 0.500 0.031 LL: 1.000 Min. 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. 25.4 0.79 12.7 0.79 25.4 Min. VHA412Z 10 to 66K 66K to 100K 5 to 120K > 120K to 200K 5 to 180K 180K to 300K 1K to 1) 0.001 0.1 500 to < 1K 0.0025 0.1 50 to < 500 0.005 0.1 0.01 0.1 30 to < 50 5 to 240K 0.02 0.1 20 to < 30 > 240K to 400K 10 to < 20 0.05 0.1 5 to 300K 0.1 0.1 5 to < 10 > 300K to 500K 5 to 360K > 360K to 600K 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 VHA414Z 350 7.3 VHA512Z* 350 6.3 VHA516-4Z* VHA516-5Z* VHA516-6Z* VHA518-7Z* 500 9.2 600 5 to 420K > 420K to 700K VHA518-8Z* 5 to 480K > 480K to 800K VHA518-9Z* 5 to 540K > 540K to 900K VHA518-10Z* 5 to 600K > 600K to 1.0M VHA518-11Z* 5 to 660K > 660K to 1.1M Notes * Available in a 4-lead terminal: VHA512 please use 302073Z VHA516 please use 302074Z VHA518 please use 302075Z ** 0.375 H available See next page for numbered footnotes 13.5 38.1 0.79 12.7 0.79 25.4 Min. FIGURE 2 - TYPICAL TCR CURVE Z-FOIL + 500 + 400 + 300 + 200 + 100 R 0 R (ppm) - 100 - 200 - 300 - 400 - 500 - 55 - 25 0 + 25 + 60 + 75 + 100 + 125 - 0.16 ppm/C FIGURE 3 - POWER DERATING CURVE Percent of Rated Power + 100 + 75 + 50 + 25 0 - 55 C 0.05 ppm/C - 0.1 ppm/C 0.1 ppm/C 0.14 ppm/C 0.2 ppm/C - 50 - 25 0 + 25 + 50 + 75 + 100 + 125 + 150 + 175 Ambient Temperature (C) Ambient Temperature (C) www.vishay.com 2 For any questions, contact: foil@vishay.com Document Number: 63120 Revision: 17-Jun-08 HZ Series (Z-Foil) Hermetically Sealed Ultra High Precision Z-Foil Vishay Foil Resistors Technology Resistors with TCR of 0.2 ppm/C, Tolerance of 0.001 % and Load Life Stability of 0.005 % FIGURE 4 - STANDARD IMPRINTING AND DIMENSIONS Front View L VISHAY XXXX VHP202Z 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. VHA412Z 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 %) after at least 10 years < 0.010 V (RMS)/V of applied voltage (- 40 dB) Notes 1. Upper end of resistance range varies with model selected (i.e. VHP202Z; the range is to 100 k; VHA518-10Z, the range is to 1.0 M) per Table 2 2. Not to exceed power rating of resistor 3. Insulating sleeve - a special case insulating plastic sleeve is available on VHAZ models - specify letter "P" as a suffix to model number (i.e. VHA412ZP) 4. 0.200" (5.08 mm) lead spacing available - specify VHP202ZJ 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/ relates to EMF due to lead temperature difference and V/watt due to power applied to the resistor 8. Load life R max. can be reduced through in-house oriented processes Document Number: 63120 Revision: 17-Jun-08 For any questions, contact: foil@vishay.com www.vishay.com 3 HZ Series (Z-Foil) Vishay Foil Resistors Hermetically Sealed Ultra High Precision Z-Foil Technology Resistors with TCR of 0.2 ppm/C, Tolerance of 0.001 % and Load Life Stability of 0.005 % TABLE 4 - GLOBAL PART NUMBER INFORMATION NEW GLOBAL PART NUMBER: Y1750120K500V9L (preferred part number format) DENOTES PRECISION Y VALUE R= K = k M = M AER* 0 = standard product, tin/lead termination 1 = with plastic sleeve, tin/lead termination 9 = standard product, lead (Pb)-free termination 19 = with plastic sleeve, lead (Pb)-free termination Other = custom Y 1 7 5 0 1 2 0 K 5 0 0 V 9 L PRODUCT CODE 6071 = VHP202Z 1748 = VHP202ZJ 1749 = VHA412Z 1751 = VHA414Z 1750 = VHA512Z 1752 = VHA516-4Z 1753 = VHA516-5Z 1754 = VHA516-6Z 1755 = VHA518-7Z 1756 = VHA518-8Z 1757 = VHA518-9Z 1758 = VHA518-10Z 1759 = VHA518-11Z 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 Y1750 120K500 V 9 L: TYPE: VHA512Z VALUE: 120.5 k ABSOLUTE TOLERANCE: 0.005 % TERMINATION: lead (Pb)-free PACKAGING: bulk pack HISTORICAL PART NUMBER: VHA512ZT 120K50 V B (will continue to be used) VHA512Z MODEL VHP202Z VHP202ZJ VHA412Z VHA414Z VHA512Z VHA516-4Z VHA516-5Z VHA516-6Z VHA518-7Z VHA518-8Z VHA518-9Z VHA518-10Z VHA518-11Z Note * Application engineering release: 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: 63120 Revision: 17-Jun-08 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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