LR(A) Series Metal Alloy LowResistance Resistor This specification is applicable to lead free, halogen free of RoHS directive for metal alloy lowresistance resistor. The product is for general purpose. LRA series : AECQ00 qualified available. Miniature size suitable for compact Print Circuit Boards of highprecision electronic products. Applications include : Power Supply, Battery Pack, Measurable Instrument, LED Driver and Others. GENERAL SPECIFICATIONS LR 106 LRA 106 LR 010 LRA 010 LRA 1 Max. Rating Power at 70 Max. Rating Current Max. Overload Current W 40.8A 91.9A 1W 7.74A 19.10A 1.W 70.71A 18.11A 1W 44.7A 100.00A 1.W 4.77A 1.47A W 6.A 141.4A 1W 7.74A 19.1A 1.W 70.71A 18.11A W 81.6A 18.7A LR1 W 100A.61A LRA 1 W 100A.61A LR1H TCR [PPM/ ] 0.mΩ: ± 40 ~0.9mΩ: ± 17 1.0~1.0mΩ: ± 7 1.1~0.0mΩ: ± 0 0.mΩ: ± 40 ~0.9mΩ: ± 17 1mΩ: ± 7 ~0.9 mω: ± 100 1.0~1.9mΩ: ± 7.0~6.9mΩ: ± 0 7.0~100mΩ: ± ~0.9 mω: ± 100 1.0~1.9mΩ: ± 7.0~6.9mΩ: ± 0 7.0~40mΩ: ± ~0.9 mω: ± 100 1.0~1.9mΩ: ± 7.0~6.9mΩ: ± 0 7.0~1mΩ: ± 0.mΩ: ± 10 ~1.0mΩ: ± 7 1.1~.0mΩ: ± 0.1~100mΩ: ± 0.mΩ: ± 10 ~1.0mΩ: ± 7 1.1~.0mΩ: ± 0.1~7mΩ: ± 0.mΩ: ± 10 ~1.0mΩ: ± 7 1.1~.mΩ: ± 0.6~10mΩ: ± 0.mΩ: ± 10 ~1.0mΩ: ± 7 1.1~.mΩ: ± 0.6~9.9mΩ: ± Resistance Range[mΩ] ± % (D) ± 1.0% (F) ±.0% (G) ±.0% (J) 7~0 0.~0 0.~1 7~49 ~100 7~40 ~40 7~1 ~1 7~0 0.~100 0.~7 7~10 0.~10 7~9.9 0.~9.9 W.1A 11.47A 76~00mΩ: ± 0 76~00 W 17.A 8.4A 10.1~80mΩ: ± 0 10.1~0 10.1~80 Operating Temp. Range ~170 C LR 7 LRA 7 4W 16.49A 16.A W 18.11A.A 0.0mΩ: ± 100 0.~.0mΩ: ± 0 0.0mΩ: ± 100 0.~mΩ: ± 0 0.~ 0.0~ LR 78 LRA 78 LR 47S LRA 47S Heat sink) W 7.9A 61.4A.W 9.8A 66.14A 4.0~100mΩ: ± 4~19 4~100 4W 1.6A 70.71A 4.0~0.0mΩ: ± 0 W 6.A 141.4A W 77.A 17.1A W 100A.61A LR 47 W 100A.61A LRA 47 W 100A.61A ~1mΩ ±7 1.1~00mΩ ±0 ~1mΩ ±7 1.1~7mΩ ±0 ~1mΩ ±7 1.1~7.mΩ ±0 ~1mΩ ± 7 1.1~00mΩ ±0 ~1mΩ ±7 1.1~10mΩ ±0 7~100 ~100 7~7 ~7 7~7. ~7. 7~10 ~00 7~10 ~10
CHARACTERISTICS Temperature Coefficient of Resistance Short Time Overload Refer to Paragraph general specifications LR47(S) : ( R/R1) ±.0% Others : ( R/R1) ± % JIS C 01 4.8 Method; TCR(ppm/ ) = {(RR1)/R1(TT1)}ⅹ10 6 R1 : Resistance of room temp.(t1), R : Resistance of 10 (T) JIS C 011 4.1 Method; times rated power, seconds Insulation Resistance 10 9 Ω JIS C 01 4.6 Method; DC100V DC for 1minute Dielectric Withstanding Voltage Without break down JIS C 01 4.7 Method; Applied AC00V AC for 1minute, Limit surge current maximum 0mA Resistance to Solder Heat ( R/R1) ± % JIS C 01 4.18 Method; Solder temperature/immersion time : 60±, 10± 1seconds Solderability 9% coverage JIS C 01 4.17 Method; 4±, ± seconds Resistance to solvent ( R/R1) ± % JIS C 011 4.9 Method : Immersion time : 60 seconds, @0 ~ Low Temperature Exposure(Storage) ( R/R1) ± % JIS C 01 4..4 Method : 1,000hours, @ High Temperature Exposure(Storage) ( R/R1) ± 1.0% JIS C 01 4.. Method : 1,000hours, +170 Temperature Cycling (Rapid Temp. Change) ( R/R1) ± % JESDA104 Method : to +10, 1,000cycles, Dwell time : 0min maximum. Moisture Resistance (Climatic Sequence) ( R/R1) ± % MilSTD0, Method 106 Bias Humidity ( R/R1) : ± % JIS C 01 4.4 Method : +8,8% RH, 10% Bias, 1. hours On, hours Off. Extended Life Test : 1,000 hours. Load Life LR47 : ( R/R1) ±.0% Others : ( R/R1) ± 1.0% JIS C 01 4. Method : Test temperature 70 Rated working voltage 1.hours On, hours Off. Extended Life Test : 1,000 hours * Remark: R = (resistance after stress resistance before stress); R1 means resistance before stress DERATING CURVE
DIMENSIONS [mm] LR series H LR 47/47S LRA series LRA 47 LRA 47S Max. Power Rating[W] Resistance Range[mΩ] DIMENSIONS in inches (millimetres) L W H T1 T 0. ~0.6 0.09± 0.010 (1.000± 0.4) 0.0± 0.010 (0± 0.4) 0.09± 0.010 (0.7± 0.4) & 1 1 ~4 0.0± 0.010 (0.64± 0.4) 0.00± 0.010 (08± 0.4) LR 106 LRA 106 0.16± 0.010 (.00± 0.4) 0.06± 0.010 (1.600± 0.4) 0.0± 0.010 (4± 0.4) 0.04± 0.010 (0.600± 0.4) 6~0 0.00± 0.010 (08± 0.4) 1. 0. ~0.6 0.09± 0.010 (1.000± 0.4) 0.0± 0.010 (0± 0.4) 0.09± 0.010 (0.7± 0.4) 1 0.0± 0.010 (0.64± 0.4) 0.00± 0.010 (08± 0.4) LR 010 LRA 010 1 & 1. & ~0.9 1~.1~4 4.1~100 0.00± 0.010 (.080± 0.4) 0.100± 0.010 (.40± 0.4) 0.0± 0.010 (0.64± 0.4) 0.07± 0.010 (1.440± 0.4) 0.01± 0.010 (1.9± 0.4) 0. 0.040± 0.010 (1.000± 0.4) 0.079± 0.010 (.0± 0.4) 1 & 1. ~.1~4 (1.880± 0.4) LRA 1 4.1~7 7.1~100 0.46± 0.010 (6.48± 0.4) 0.16± 0.010 (.0± 0.4) 0.0± 0.010 (0.64± 0.4) (1.118± 0.4) 0.04± 0.010 (0.868± 0.4) 0. 0.040± 0.010 (1.000± 0.4) 0.079± 0.010 (.0± 0.4) ~.1~4 (1.880± 0.4) 4.1~7 0.04± 0.010 (0.64± 0.4) (1.118± 0.4)
LRA 1 0. 0.6~0.7 0.7 0.8~0.9.0.1~4 0.46± 0.010 (6.48± 0.4) 0.16± 0.010 (.0± 0.4) 0.040± 0.010 (1.000± 0.4) 0.079± 0.010 (.0± 0.4) (1.880± 0.4) (1.118± 0.4) 0.04± 0.010 (1.74± 0.4) (1.118± 0.4) (1.874± 0.4) 0.066± 0.010 (1.676± 0.4) 4.1~10 LRA 1 4.1~9.9 0.0± 0.010 (0.64± 0.4) (1.118± 0.4) LR 7 LRA 7 4 & 0.~ 0.6 LR 7 0.7 LR 7 LRA 7 1 1..~. LR78 &. & 4 4~100 0.68± 0.010 (6.807± 0.4) 0.64± 0.010 (6.706± 0.4) 0.4± 0.010 (6.4± 0.4) 0.8± 0.010 (7.188± 0.4) 0.09± 0.010 (0.991± 0.4) 0.08± 0.010 (.19± 0.4) (1.80± 0.4) 0.09± 0.010 (1.04± 0.4) 0.04± 0.010 (1.09± 0.4) 0.08± 0.010 0.09± 0.010 (.19± 0.4) (0.991± 0.4) (1.80± 0.4) 0.0± 0.010 (0.889± 0.4) 0.09± 0.010 (0.991± 0.4) 0.06± 0.010 (1.61± 0.4) 0.01± 0.010 (1.9± 0.4) 0.04± 0.010 (1.14± 0.4) LR 47S LRA 47S LR47S LRA 47S 0.6~.1~00.1~100 0.17± 0.010 (.1± 0.4) (1.81± 0.4) 0.6~ 0.40± 0.010 (11.40± 0.4) 0.70± 0.010 (6.80± 0.4) 0.0± 0.010 (1.400± 0.4) 0.17± 0.010 (.1± 0.4) 0.08± 0.010 (0.96± 0.4) LR47S LRA 47S.1~7 (1.81± 0.4) 0.6~ 0.17± 0.010 (.1± 0.4).1~7. (1.81± 0.4) LR47 0.6~ 0.40± 0.010 (11.40± 0.4) 0.70± 0.010 (6.80± 0.4) 0.09± 0.010 (1.00± 0.4) 0.17± 0.010 (.1± 0.4) 0.08± 0.010 (0.96± 0.4).1~00 (1.81± 0.4) LRA 47 0.6~ 0.40± 0.010 (11.40± 0.4) 0.70± 0.010 (6.80± 0.4) 0.09± 0.010 (1.00± 0.4) 0.17± 0.010 (.1± 0.4).1~10 (1.81± 0.4)
SOLDER PAD DIMENSIONS Type Max. Power Rating [W] Resistance Range [mω] SOLDER PAD Dimension in millimetres a b i LR 106 LRA 106 & 1 & 1. 0.~0.6 1.6 0.90.18 1~0 1.6 1.00 LR 010 1 & 1. & ~.89 1..9.1~100.9.41 LRA 010 1 ~.89 1..9.1~100.9.41 1 & 1. 0.~4.0 1.7 4.1~100.11.18 LRA 1 LRA 1 LRA 1 0.~4.0 1.7 4.1~7.11.18.68 0.~.0 1.7 0.6~.9 & 4.1~10 0.6~.9 & 4.1~9.9.19.00 ~4.79 1.80 H 16~00 10.1~80.19.68.00 LR 7 LRA 7 LR 78 LRA 78 4 & 0.~.18 6.86 1. &. & 4 4~100.7 7.8.1 LR 47S ~ 4.8.1.1~00.4 8.1 ~ 4.8.1.1~7.4 8.1 LRA 47S ~ 4.8.1 8.74.1~100.4 8.1 ~ 4.8.1.1~0.4 8.1 LR 47S LRA 47S ~ 4.8.1.1~7..4 8.1 LR 47 LRA 47 ~ 4.8.1 8.74.1~00.4 8.1
PACKAGING Tape Dimensions : LR series LR106 (0.0.6mΩ) LR106 ( 1.0mΩ) Dimensions [mm] A B W E F T1 T P P0 P1.0± 0.10 1.90± 0.10 8.0± 0.1 1.7± 0.10.± 0.10 1.7± 0.10 0.± 0.10 4.0± 0.10 4.0± 0.10.0± 0.10.48± 0.10 1.8± 0.10 8.0± 0.1 1.7± 0.10.± 0.10 1.10± 0.10 0.0± 0.10 4.0± 0.10 4.0± 0.10.0± 0.10 LR010.4± 0.10.90± 0.10 1.0± 0.1 1.7± 0.10.± 0.10 1.± 0.10 0.± 0.0 4.0± 0.10 4.0± 0.10.0± 0.10 Packaging LR1 (0.mΩ) 6.74± 0.10.0± 0.10 1.0± 0.1 1.7± 0.10.± 0.10 1.60± 0.10 0.4± 0.0 8.0± 0.10 4.0± 0.10.0± 0.10 LR1 6.7± 0.10.0± 0.10 1.0± 0.1 1.7± 0.10.± 0.10 1.0± 0.10 0.0± 0.0 4.0± 0.10 4.0± 0.10.0± 0.10 LR1H 6.7± 0.10.± 0.10 1.0± 0.0 1.7± 0.10.± 0.10 1.60± 0.10 0.0± 0.10 4.0± 0.10 4.0± 0.10.0± 0.10 LR7 7.1± 0.10 6.7± 0.10 1.0± 0.1 1.7± 0.10.± 0.10 1.9± 0.10 0.± 0.0 8.0± 0.10 4.0± 0.10.0± 0.10 LR78 7.1± 0.10 7.70± 0.10 1.0± 0.1 1.7± 0.10.± 0.10 1.4± 0.10 0.± 0.0 1.0± 0.10 4.0± 0.10.0± 0.10 LR47 11.8± 0.10 7.0± 0.10 4.0± 0.1 1.7± 0.10 11.± 0.10.00± 0.10 0.0± 0.10 1.0± 0.10 4.0± 0.10.0± 0.10 LR47S 11.8± 0.10 7.0± 0.10 4.0± 0.1 1.7± 0.10 11.± 0.10.00± 0.10 0.0± 0.10 1.0± 0.10 4.0± 0.10.0± 0.10 Reel Dimensions : Reel Type / Tape W M A B C D LR106 (0.0.6mΩ) 8mm tape 9.0± 178±.0.0± 1.± 1.0± 60.0± 1.0 LR106 ( 1.0mΩ) 8mm tape 9.0± 178±.0.0± 1.± 1.0± 60.0± 1.0 LR010 1mm tape 1.8± 178±.0.0± 1.± 1.0± 80.0± 1.0 Reel Dimensions LR1 (0.mΩ) 1mm tape 1.8± 178±.0.0± 1.± 1.0± 80.0± 1.0 LR1(H) 1mm tape 1.8± 178±.0.0± 1.± 1.0± 80.0± 1.0 LR7 1mm tape 1.8± 178±.0.0± 1.± 1.0± 80.0± 1.0 LR78 1mm tape 1.8± 178±.0.0± 1.± 1.0± 80.0± 1.0 LR47(S) 4mm tape.0± 1.0 178±.0.0± 1.± 17.7± 60.0± 1.0
*Packaging Quantity Type LR106 (0.~0.6mΩ) LR106 ( 1.0mΩ) Tape width 8mm Max. Packaging Quantity (pcs/reel) 4mm pitch 8mm pitch 1mm pitch,000 pcs 4,000 pcs LR010,000 pcs / 4,000 pcs LR1 (0.mΩ) 1,000 pcs LR1 4,000 pcs 1mm LR1H,000 pcs LR7 1,000 pcs LR78 1,000 pcs LR47(S) 4mm 00 pcs MARKING FORMAT All the products marking are 4 digits (LR1 0.mΩ~4mΩ are not included) a. R designated the decimal location in ohms. Ex) For 1mΩ the product marking is R001; For mω the product marking is R0; For 100mΩ the product marking is R100. b. m designated the decimal location in milliohms. Ex) For 0.mΩ the product marking is 0m; For mω the product marking is 0m0; For.mΩ the product marking is m0; For.mΩ the product marking is m. c. Marking image (Please refer to right) LR1 0.mΩ~4mΩ marking format ( digits) a. Under 1mΩ (1mΩ is not included) m is the first digit and means the decimal point position of mω. Ex) For 0.mΩ the product marking is m0; For 90mΩ the product marking is m90. b. Under 4mΩ (4mΩ is included) The first digit is the unit digit. m means the decimal point position of mω. Ex) For 1mΩ the product marking is 1m0; For 4mΩ the product marking is 4m0. ODERING PROCEDURE EXAMPLE