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Y09255K0000G0L Datasheet(PDF) 2 Page - Vishay Siliconix |
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Y09255K0000G0L Datasheet(HTML) 2 Page - Vishay Siliconix |
2 / 4 page VPR220, VPR221 Vishay Foil Resistors Bulk Metal® Foil Technology Precision Foil Power Resistors in TO-220 Configuration with TCR of ± 2 ppm/°C, Tolerance of to ± 0.01 % and Power Rating to 8 W www.vishay.com For any questions, contact: foil@vishay.com Document Number: 63012 2 Revision: 05-Jul-07 Notes 1. Whichever is lower 2. Heat sink chassis dimensions and requirements per MIL-R-39009/1B: 3. Inductance (L) due mainly to the leads 4. The resolution limit of existing test equipment (within the measurement capability of the equipment, or "essentially zero") 5. µV/°C relates to EMF due to lead temperature difference Surface mount versions of these products are available. See datasheets for VPR220S, VPR 221S. FIGURE 2 - TYPICAL TCR CURVE TABLE 3 - SPECIFICATIONS Load Life Stability at 2000 h ± 0.05 % max ΔR under full rated power at + 25 °C Power Rating at + 25 °C 8 W or 3 A1) on heat sink2) 1.5 W or 3 A1) in free air Further derating not necessary Current Noise < 0.010 µV (rms)/V of applied voltage (- 40 dB) High Frequency Operation Rise time 1 ns without ringing Inductance3) (L) 0.1 µH maximum: 0.03 µH typical Capacitance (C) 1.0 pF maximum: 0.5 pF typical Voltage Coefficient4) < 0.1 ppm/V Operating Temperature Range - 55 °C to + 150 °C Maximum Working Voltage 300 V. Not to exceed power rating Thermal EMF5) 0.15 µV/°C maximum (lead effect) DIMENSION INCHES mm L 6.00 152.4 W 4.00 101.6 H 2.00 50.8 T 0.04 1.0 - 50 - 25 0 + 20 + 50 + 75 + 100 + 125 - 55 + 150 + 100 + 50 0 - 50 - 100 - 150 - 200 ∆R R (ppm) Ambient Temperature (°C) ± 2 ppm/°C (+ 25 °C reference) FIGURE 3 - TRIMMING TO VALUES (Conceptual Illustration) FIGURE 4 - VPR220 DIMENSIONS in inches (millimeters) FIGURE 5 - VPR221 DIMENSIONS in inches (millimeters) Mutual Inductance Reduction due to Change in Current Direction Current Path Before Trimming Note: Foil shown in black, etched spaces in white Interloop Capacitance Reduction in Series Trimming Process Removes this Material from Shorting Strip Area Changing Current Path and Increasing Resistance Current Path After Trimming 0.400 ± 0.010 (10.16 ± 0.25) VISHAY VPR220 1K0 1 % 0101 0.245 ± 0.010 (6.22 ± 0.25) 0.141 ± 0.005 Dia (3.58 ± 0.13) 0.540 ± 0.040 (13.72 ± 1.02) 0.030 ± 0.002 (0.76 ± 0.05) 0.200 ± 0.005 (5.08 ± 0.13) 0.115 ± 0.005 (2.92 ± 0.13) 0.050 ± 0.005 (1.27 ± 0.13) 0.150 ± 0.008 (3.81 ± 0.2) 0.615 Max (15.62) 0.078 ± 0.005 (1.98 ± 0.13) 0.015 ± 0.002 (0.38 ± 0.05) 0.050 ± 0.005 (1.27 ± 0.13) 0.200 ± 0.030 (5.08 ± 0.76) E 2 0.050 ± 0.005 (1.27 ± 0.13) 0.150 ± 0.008 (3.81 ± 0.2) 0.615 Max (15.62) 0.078 ± 0.005 (1.98 ± 0.13) 0.015 ± 0.002 (0.38 ± 0.05) 0.030 ± 0.002 (0.76 ± 0.05) 0.100 ± 0.005 (2.54 ± 0.13) 0.400 ± 0.010 (10.16 ± 0.25) VISHAY VPR221 1R0 1 % 0101 0.245 ± 0.010 (6.22 ± 0.25) 0.141 ± 0.005 Dia (3.58 ± 0.13) 0.540 ± 0.040 (13.72 ± 1.02) 0.115 ± 0.005 (2.92 ± 0.13) 0.050 ± 0.005 (1.27 ± 0.13) 0.200 ± 0.030 (5.08 ± 0.76) E 1 I 2 I 1 |
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