VPR220_08 VISHAY

Document overview

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Technical content

Document Number: 63012 For any ques tions, contact: foil@vishay.com www.vishay.com Revision: 05-Jul-07 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 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. weight = 1 g maximum Notes 1. Lower or high values available upon request 2. - 55 °C to + 125 °C, + 25 °C Ref. weight = 1.2 g maximum Notes 1. Lower or high values available upon request 2. - 55 °C to + 125 °C, + 25 °C Ref.

FEATURES

  • Temperature Coefficient of Resistance (TCR): ± 2 ppm/°C typical (- 55 °C to + 125 °C, + 25 °C Ref.)
  • Tolerance: to ± 0.01 % (see tables 1 and 2)
  • 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 foil@vishay.com
  • For better performances, please see VPR220Z and VPR221Z datasheets * Pb containing terminations are not RoHS compliant, exemptions may apply 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 TABLE 2 - VPR221 RESISTANCE RANGE (Ω)1) TIGHTEST TOLERANCE TYPICAL TCR2) MAXIMUM TCR2) 10 to < 500 ± 0.01 % ± 2 ± 5 ppm/°C 1 to < 10 ± 0.02 % ± 2 ± 5 ppm/°C FIGURE 1 - POWER DERATING CURVE Available Pb-free RoHS* COMPLIANT I1 E1 E2 I2 R V I I Ambient Temperature (°C) + 150+ 125+ 100+ 75+ 50+ 250- 25- 50 + 100 + 75 + 50 + 25 Percent of Rated Power - 55 °C

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

  1. Whichever is lower 2. Heat sink chassis dimens ions 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 thes e 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 - 50 - 100 - 150 - 200 R (ppm) Ambient Tem p erature ± 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) 0.050 ±0.005 (1.27 ±0.13) 0.150 ±0.008 (3.81 ±0.2) (15.62) 0.078 ±0.005 (1.98 ±0.13) 0.015 ±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) E1 I2I1

Document Number: 63012 For any ques tions, contact: foil@vishay.com www.vishay.com Revision: 05-Jul-07 3 VPR220, VPR221 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 Vishay Foil Resistors Note * For non-standard requests, please contact Application Engineering. TABLE 4 - GLOBAL PART NUMBER INFORMATION NEW GLOBAL PART NUMBER: Y09265R00000Q9L (preferred part number format) DENOTES PRECISION VALUE AER* YR = Ω K = kΩ 0 = Standard 9 = Lead (Pb)-free 1 - 999 = Custom 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 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 PAC KAGING 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 9265 000 R Q90 L

Document Number: 91000 www.vishay.com Revision: 18-Jul-08 1 Disclaimer Legal Disclaimer Notice Vishay 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 li ability arising out of the use or application of any product described herein or of any information provided herein to the maximum extent permit ted by law. The product specifications do not expand or otherwise modify Vishay’s terms and conditions of purcha se, 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 medi cal, 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.