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 FEATURES Any value at any tolerance within resistance range Models VPR220 AND VPR221, made from Vishay Bulk Metal® Foil, offer low TCR, high stability, tight tolerance and fast response time in a small, molded resistor. Model VPR220 is a 2 lead device. Model VPR221 is a 4 lead Kelvin connected device. The 4 leaded version is highly recommended for precision applications requiring ohmic values of 100R or less. TABLE 1 - VPR220 RESISTANCE RANGE (Ω)1) TIGHTEST TOLERANCE TYPICAL TCR2) MAXIMUM TCR2) 50 to 10K ± 0.01 % ±2 ± 5 ppm/°C 25 to < 50 ± 0.02 % ±2 ± 7 ppm/°C 10 to < 25 ± 0.05 % ±2 ± 10 ppm/°C 5 to < 10 ± 0.1 % ±2 ± 13 ppm/°C • Temperature Coefficient of Resistance (TCR): Pb-free ± 2 ppm/°C typical (- 55 °C to + 125 °C, Available + 25 °C Ref.) RoHS* • Tolerance: to ± 0.01 % (see tables 1 and 2) COMPLIANT • Electrostatic Discharge (ESD): above 25 000 V • Load Life Stability: ± 0.005 % (25 °C, 2000 hours at Rated Power) • Resistance Range: 0.5 Ω to 10 kΩ • Power Rating: 8 W chassis mounted (per MIL-PRF-39009) • Non Inductive, Non Capacitive Design • Rise Time: 1 ns without ringing • Current Noise: < - 40 dB • Voltage Coefficient: < 0.1 ppm/V • Non Inductive: < 0.08 µH • Non Hot Spot design • Thermal EMF: 0.05 µV/°C typical • Terminal Finishes Available: Lead (Pb)-free Tin/Lead Alloy • Any value available within resistance range (e.g. 1K234) • Prototype samples available from 48 hours. For more information, please contact [email protected] • For better performances, please see VPR220Z and VPR221Z datasheets I1 weight = 1 g maximum I R I E1 E2 I2 V Notes 1. Lower or high values available upon request 2. - 55 °C to + 125 °C, + 25 °C Ref. FIGURE 1 - POWER DERATING CURVE TABLE 2 - VPR221 TIGHTEST TOLERANCE TYPICAL TCR2) MAXIMUM TCR2) 10 to < 500 ± 0.01 % ±2 ± 5 ppm/°C 1 to < 10 ± 0.02 % ±2 ± 5 ppm/°C 0.5 to < 1 ± 0.05 % ±2 ± 5 ppm/°C Percent of Rated Power + 100 RESISTANCE RANGE (Ω)1) - 55 °C + 75 + 50 + 25 weight = 1.2 g maximum 0 Notes 1. Lower or high values available upon request 2. - 55 °C to + 125 °C, + 25 °C Ref. - 50 - 25 0 + 25 + 50 + 75 + 100 + 125 + 150 Ambient Temperature (°C) * Pb containing terminations are not RoHS compliant, exemptions may apply Document Number: 63012 Revision: 05-Jul-07 For any questions, contact: [email protected] www.vishay.com 1 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 FIGURE 3 - TRIMMING TO VALUES (Conceptual Illustration) FIGURE 2 - TYPICAL TCR CURVE + 150 + 100 ∆R + 50 R (ppm) 0 Current Path Before Trimming Interloop Capacitance Reduction in Series - 50 Current Path After Trimming Trimming Process Removes this Material from Shorting Strip Area Changing Current Path and Increasing Resistance - 100 - 150 Mutual Inductance Reduction due to Change in Current Direction ± 2 ppm/°C (+ 25 °C reference) - 200 - 50 - 55 - 25 0 + 20 + 50 + 75 + 100 + 125 Ambient Temperature (°C) Note: Foil shown in black, etched spaces in white TABLE 3 - SPECIFICATIONS Load Life Stability at 2000 h ± 0.05 % max ΔR under full rated power at + 25 °C FIGURE 4 - VPR220 DIMENSIONS in inches (millimeters) 8 W or 3 A1) on heat sink2) 1.5 W or 3 A1) in free air Power Rating at + 25 °C 0.400 ± 0.010 (10.16 ± 0.25) 0.150 ± 0.008 (3.81 ± 0.2) Further derating not necessary < 0.010 µV (rms)/V of applied voltage (- 40 dB) Current Noise VISHAY VPR220 1K0 1 % 0101 High Frequency Operation Rise time 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 DIMENSION 0.078 ± 0.005 (1.98 ± 0.13) FIGURE 5 - VPR221 DIMENSIONS in inches (millimeters) 0.400 ± 0.010 (10.16 ± 0.25) dimensions and 0.015 ± 0.002 (0.38 ± 0.05) 0.030 ± 0.002 (0.76 ± 0.05) Notes 1. Whichever is lower 2. Heat sink chassis MIL-R-39009/1B: 0.050 ± 0.005 (1.27 ± 0.13) 0.540 ± 0.040 (13.72 ± 1.02) 0.200 ± 0.005 (5.08 ± 0.13) 0.15 µV/°C maximum (lead effect) requirements INCHES mm L 6.00 152.4 W 4.00 101.6 H 2.00 50.8 T 0.04 1.0 per 0.150 ± 0.008 (3.81 ± 0.2) 0.115 ± 0.005 (2.92 ± 0.13) 0.245 ± 0.010 (6.22 ± 0.25) VISHAY VPR221 1R0 1 % 0101 0.200 ± 0.030 (5.08 ± 0.76) 0.141 ± 0.005 Dia (3.58 ± 0.13) 0.050 ± 0.005 (1.27 ± 0.13) 0.540 ± 0.040 (13.72 ± 1.02) 0.030 ± 0.002 (0.76 ± 0.05) I1 E1 E2 I2 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") 0.050 ± 0.005 (1.27 ± 0.13) 0.615 Max (15.62) 0.141 ± 0.005 Dia (3.58 ± 0.13) 0.200 ± 0.030 (5.08 ± 0.76) 1 ns without ringing EMF5) 0.115 ± 0.005 (2.92 ± 0.13) 0.245 ± 0.010 (6.22 ± 0.25) 0.050 ± 0.005 (1.27 ± 0.13) 0.615 Max (15.62) 0.015 ± 0.002 (0.38 ± 0.05) 0.078 ± 0.005 (1.98 ± 0.13) 0.100 ± 0.005 (2.54 ± 0.13) 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. www.vishay.com 2 For any questions, contact: [email protected] Document Number: 63012 Revision: 05-Jul-07 VPR220, VPR221 Bulk Metal® Foil Technology Precision Foil Power Vishay Foil Resistors Resistors in TO-220 Configuration with TCR of ± 2 ppm/°C, Tolerance of to ± 0.01 % and Power Rating to 8 W TABLE 4 - GLOBAL PART NUMBER INFORMATION NEW GLOBAL PART NUMBER: Y09265R00000Q9L (preferred part number format) DENOTES PRECISION VALUE AER* Y R=Ω K = kΩ 0 = Standard 9 = Lead (Pb)-free 1 - 999 = Custom Y 0 9 2 6 5 R 0 0 0 0 0 Q 9 PRODUCT CODE RESISTANCE TOLERANCE PACKAGING 0925 = VPR220 0926 = VPR221 T = ± 0.01 % Q = ± 0.02 % A = ± 0.05 % B = ± 0.1 % C = ± 0.25 % D = ± 0.5 % F = ± 1.0 % G = ± 2.0 % J = ± 5.0 % L = Bulk Pack L FOR EXAMPLE: ABOVE GLOBAL ORDER Y0926 5R00000 Q 9 L: TYPE: VPR221 VALUE: 5.0 Ω ABSOLUTE TOLERANCE: ± 0.02 % TERMINATION: Lead (Pb)-free PACKAGING: Bulk HISTORICAL PART NUMBER: VPR221T 5R0000 Q B (will continue to be used) VPR221 T 5R0000 Q B MODEL TERMINATION OHMIC VALUE RESISTANCE TOLERANCE PACKAGING VPR220 VPR221 T = Lead (Pb)-free None = Tin/Lead alloy 5.0 Ω T = ± 0.01 % Q = ± 0.02 % A = ± 0.05 % B = ± 0.1 % C = ± 0.25 % D = ± 0.5 % F = ± 1.0 % G = ± 2.0 % J = ± 5.0 % B = Bulk Pack Note * For non-standard requests, please contact Application Engineering. Document Number: 63012 Revision: 05-Jul-07 For any questions, contact: [email protected] www.vishay.com 3 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. 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