LVR Vishay Dale Wirewound Resistors, Precision Power, Low Value, Commercial, Military, MIL-PRF-49465 Type RLV, Axial Lead FEATURES * Ideal for all types of current sensing applications including switching and linear power supplies, instruments and power amplifiers * Proprietary processing technique produces extremely low resistance values * Excellent load life stability * Low temperature coefficient * Low inductance * Cooler operation for high power to size ratio Available e3 STANDARD ELECTRICAL SPECIFICATIONS GLOBAL MODEL HISTORICAL MODEL LVR01 LVR03 LVR03...26 LVR05 LVR05...26 LVR10 LVR-1 LVR-3 LVR-3-26 LVR-5 LVR-5-26 LVR-10 MIL-PRF-49465 TYPE POWER RATING P25 C W 1 3 3 5 5 10 -- -- RLV30 (M4946506) -- RLV31 (M4946507) -- RESISTANCE RANGE* TECHNOLOGY 1 %, 3 %, 5 %, 10 % 0.01 - 0.1** 0.005 - 0.2 0.01 - 0.2 0.005 - 0.3 0.01 - 0.3 0.01 - 0.8 Metal Strip Metal Strip Metal Strip Metal Strip Metal Strip Coil Spacewound * Resistance is measured 3/8" [9.52 mm] from the body of the resistor, or at 1.183" [30.05 mm], 1.315" [33.40 mm], 1.675" [42.545 mm] or 2.575" [65.405 mm] spacing for the LVR01, LVR03, LVR05 and LVR10 respectively. ** Standard resistance values are 0.01 , 0.015 , 0.02 , 0.025 , 0.03 , 0.033 , 0.04 , 0.05 , 0.051 , 0.06 , 0.068 , 0.07 , 0.08 , 0.09 and 0.1 with 1 % tolerance. Other resistance values may be available upon request. TECHNICAL SPECIFICATIONS PARAMETER UNIT Rated Power at + 25 C W Operating Temperature Range C Dielectric Withstanding Voltage VAC Insulation Resistance Short Time Overload Terminal Strength (minimum) lb Temperature Coefficient ppm/C Maximum Working Voltage V Weight (maximum) g LVR01 1 - 65/+ 175 1000 5 2 LVR03 3 LVR05 5 - 65/+ 275 1000 1000 10000 Megohms minimum dry 5 x rated power for 5 seconds 10 10 See TC vs Resistance Value Chart (P x R)1/2 2 5 LVR10 10 1000 10 x rated power for 5 seconds 10 11 GLOBAL PART NUMBER INFORMATION New Global Part Numbering: LVR055L000FS70 (preferred part numbering format) L GLOBAL MODEL LVR01 LVR03 LVR05 LVR10 V R 0 VALUE R = Decimal L = Milliohm (below 0.01 ) R1500 = 0.15 7L000 = 0.007 5 5 L 0 TOLERANCE D = 0.5 % F = 1.0 % G = 2.0 % H = 3.0 % J = 5.0 % K = 10 % 0 0 F S 7 0 PACKAGING E12 = Lead (Pb)-free bulk E03 = Lead (Pb)-free lacer pack (LVR10) E70 = Lead (Pb)-free T/R 1000 pcs (LVR01, 02, 03) or 500 pcs (LVR05) B12 = Tin/lead bulk F03 = Tin/lead lacer pack (LVR10) S70 = Tin/lead T/R 1000 pcs (LVR01, 02, 03) or 500 pcs (LVR05) SPECIAL (Dash Number) (up to 3 digits) From 1-999 as applicable Historical Part Number example: LVR-5 0.005 1 % S70 (will continue to be accepted) www.vishay.com 130 LVR-5 0.005 1% HISTORICAL MODEL RESISTANCE VALUE TOLERANCE CODE For technical questions, contact ww2aresistors@vishay.com S70 PACKAGING Document Number 30206 Revision 16-Feb-06 LVR Vishay Dale Wirewound Resistors, Precision Power, Low Value, Commercial, Military, MIL-PRF-49465 Type RLV, Axial Lead DIMENSIONS MODEL A B C 0.010 [0.254] 0.010 [0.254] 0.002 [0.051] LVR01 0.427 [10.85] 0.115 [2.92] 0.020 [0.508] LVR03 0.560 [14.22] 0.205 [5.21] 0.032 [0.813] LVR05 0.925 [23.50] 0.330 [8.38] 0.040 [1.02] LVR10 1.828 [46.43] 0.392 [9.96] 0.040 [1.02] 1.50 [38.10]* Minimum A DIMENSIONS in inches [millimeters] C B * On some standard reel pack methods, the leads may be trimmed to a shorter length than shown. Element: Self-supporting nickel-chrome alloy (LVR10 also utilizes manganin) Encapsulation: High temperature mold compound Terminals: Tinned copper Part Marking: DALE, Model, Wattage, Value, Tolerance, Date Code SURFACE TEMPERATURE IN C MATERIAL SPECIFICATIONS 250 150 100 50 LVR03 LVR10 300 LVR01 LVR05 2 3 4 5 6 Surface Temperature vs Power RATED POWER IN % TC IN ppm/C 400 LVR10 LVR01 1 The improved TC characteristics of these LVR models from - 55 C to + 125 C (referenced to + 25 C) are as follows: LVR05 LVR03 200 8 9 10 POWER IN W 120 100 80 LVR03 LVR05 LVR10 60 200 7 40 LVR01 100 20 20 40 TC vs Resistance Value 60 80 100 RESISTANCE ( X 10-3) 0 - 65 - 25 25 75 Derating 125 175 225 275 AMBIENT TEMPERATURE IN C PERFORMANCE TEST Thermal Shock Short Time Overload Low Temperature Storage High Temperature Exposure Dielectric Withstanding Voltage Insulation Resistance Moisture Resistance Shock, Specified Pulse Vibration, High Frequency Load Life Solderability Bias Humidity Document Number 30206 Revision 16-Feb-06 CONDITIONS OF TEST (MIL-PRF-49465) - 65 C to + 125 C, 5 cycles, 15 minutes at each extrem 5 x rated power (LVR01, 03, 05), 10 x rated power (LVR10) for 5 seconds - 65 C for 24 hours 250 hours at + 275 C (+ 175 C for LVR01) 1000 V rms, one minute MIL-STD-202 Method 302, 100 volts MIL-STD-202 Method 106, 7b not applicable MIL-STD-202 Method 213, 100 g's for 6 milliseconds, 10 shocks Frequency varied 10 to 2000 Hz, 20 g peak, 2 directions 6 hours each 2000 hours at rated power, + 25 C, 1.5 hours "ON", 0.5 hours "OFF" ANSI J-STD-002 + 85 C, 85 % RH, 10 % bias, 1000 hours For technical questions, contact ww2aresistors@vishay.com TEST LIMITS (0.2 % + 0.0005 ) R (0.5 % + 0.0005 ) R (0.2 % + 0.0005 ) R (2.0 % + 0.0005 ) R (0.1 % + 0.0005 ) R 1000 M minimum (0.2 % + 0.0005 ) R (0.1 % + 0.0005 ) R (0.1 % + 0.0005 ) R (2.0 % + 0.0005 ) R 95 % coverage (1.0 % + 0.0005 ) R www.vishay.com 131 Legal Disclaimer Notice Vishay Notice Specifications of the products displayed herein are subject to change without notice. Vishay Intertechnology, Inc., or anyone on its behalf, assumes no responsibility or liability for any errors or inaccuracies. Information contained herein is intended to provide a product description only. No license, express or implied, by estoppel or otherwise, to any intellectual property rights is granted by this document. Except as provided in Vishay's terms and conditions of sale for such products, Vishay assumes no liability whatsoever, and disclaims any express or implied warranty, relating to sale and/or use of Vishay products including liability or warranties relating to fitness for a particular purpose, merchantability, or infringement of any patent, copyright, or other intellectual property right. The products shown herein are not designed for use in medical, life-saving, or life-sustaining applications. Customers using or selling these products for use in such applications do so at their own risk and agree to fully indemnify Vishay for any damages resulting from such improper use or sale. Document Number: 91000 Revision: 08-Apr-05 www.vishay.com 1