VPR220S_08 VISHAY

Document overview

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  • PDF pages: 5

Technical content

Document Number: 63050 For any ques tions, contact: foil@vishay.com www.vishay.com Revision: 29-Feb-08 1 VPR220S, VPR221S Vishay Foil Resistors Bulk Metal® Foil Technology Precision Foil Power Surface Mount 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 VPR220S AND VPR221S, made from Vishay Bulk Metal® foil, offer low TCR, high stability, tight tolerance and fast response time in a small, molded resistor. Model VPR220S is a 2 lead device. Model VPR221S 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 h 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 h. For more information, please contact foil@vishay.com
  • For better performances, please see VPR220SZ and VPR221SZ datasheets * Pb containing terminations are not RoHS compliant, exemptions may apply TABLE 1 - VPR220S 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 - VPR221S 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

VPR220S, VPR221S Vishay Foil Resistors Bulk Metal® Foil Technology Precision Foil Power Surface Mount 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: 63050

2 Revision: 29-Feb-08

  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 FIGURE 2 - TYPICAL TCR CURVE - 50 - 25 0 + 20 + 50 + 75 + 100 + 125 - 55 + 150 + 100 + 50 - 50 - 100 - 150 - 200 ΔR R (ppm) Ambient Temperature (°C) ± 2 ppm/°C (+ 25 °C Reference) FIGURE 3 - TRIMMING TO VALUES (Conceptual Illustration) Mutual Inductance Reduction due to Opposing Current in Adjacent Lines 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 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 Inductance 3) (L) 0.1 µH maximum: 0.03 µH typical Capacitance (C) 1.0 pF maximum: 0.5 pF typical Voltage Coefficient 4) < 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

VPR220S, VPR221S Vishay Foil Resistors Bulk Metal® Foil Technology Precision Foil Power Surface Mount 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: 63050

4 Revision: 29-Feb-08

  • Application engineering release: for non-standard requests, please contact application engineering TABLE 4 - GLOBAL PART NUMBER INFORMATION NEW GLOBAL PART NUMBER: Y11235R00000Q9L (preferred part number format) DENOTES PRECISION VALUE AER* YR = Ω K = kΩ 0 = standard part, tin/lead terminations 9 = standard part, lead (Pb)-free termination Other = custom PRODUCT CODE RESISTANCE TOLERANCE PACKAGING 1122 = VPR220S 1123 = VPR221S 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 Y1123 5R00000 Q 9 L: TYPE: VPR221S VALUE: 5.0 Ω ABSOLUTE TOLERANCE: ± 0.02 % TERMINATION: lead (Pb)-free PACKAGING: bulk pack HISTORICAL PART NUMBER: VPR221ST 5R0000 Q B (will continue to be used) VPR221S T 5R0000 Q B MODEL TERMINATION OHMIC VALUE RESISTANCE TOLERANCE PACKAGING VPR220S VPR221S 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 1235 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.