resistors LR custom milliohm resistor EU features • The super low resistance (3mΩ ~) is suitable for high power current detection • Pitches and heights adjustable according to mounting conditions • All custom-made products • Easy soldering • Products with lead-free terminations meet EU RoHS requirements. EU RoHS regulation is not intended for Pb-glass contained in electrode, resistor element and glass. dimensions and construction T Style L Style ød ød H* H* Resistive Wire Resistive Wire Solder Coat P* 3±0.5 P* 1 Max. Solder Coat 3±0.5 1 Max. * Please consult with factory about dimensions “P” and “H” T style is applied for the diameter of ø 2.3 or above ordering information New Part # LR 09 Type Symbol 06~20: L-Style 23~29: T-Style D Termination Material D: SnAgCu N: No surface treatment L Style L (06~20) T (23~29) 10 20L J Insertion Pitch Insertion Pitch Nominal Resistance 3 digits Resistance Tolerance H: ±3% J: ±5% Specifications given herein may be changed at any time without prior notice. Please confirm technical specifications before you order and/or use. 152 12/27/13 KOA Speer Electronics, Inc. • 199 Bolivar Drive • Bradford, PA 16701 • USA • 814-362-5536 • Fax: 814-362-8883 • www.koaspeer.com custom milliohm resistor applications and ratings Part Designation Symbol ød Diameter (mm) Maximum Current Rating (A) Resistance Range LR06D 06 0.6 3.0 50mΩ - 100mΩ LR07D 07 0.7 4.0 30mΩ - 70mΩ LR08D 08 0.8 4.5 20mΩ - 50mΩ LR09D 09 0.9 5.0 20mΩ - 40mΩ LR10D 10 1.0 5.5 15mΩ - 30mΩ Resistance Tolerance LR11D 11 1.1 6.0 15mΩ - 20mΩ LR12D 12 1.2 7.0 10mΩ - 20mΩ LR13D 13 1.3 7.5 10mΩ - 20mΩ H: ±3% J: ±5% LR14D 14 1.4 8.0 10mΩ - 20mΩ LR15D 15 1.5 9.0 10mΩ - 20mΩ LR16D 16 1.6 9.5 10mΩ - 15mΩ LR18D 18 1.8 11 5mΩ - 10mΩ LR20D 20 2.0 12 5mΩ - 10mΩ LR23D 23 2.3 14 3mΩ - 10mΩ LR26D 26 2.6 18 3mΩ - 5mΩ LR29D 29 2.9 21 3mΩ - 5mΩ T.C.R. (ppm/°C) Max. Rated Ambient Temperature Operating Temperature Range ±100 +70°C -40°C to +180°C * Other diameters and resistances are also available on request environmental applications Derating Curve 100 % Rated Power 80 resistances are also available on request. * Other 60 40 For resistors operated at an ambient temperature of 70°C or above, a power rating shall be derated in accordance with the above derating curve. 20 0 -40 -20 0 20 40 60 80 100 70 Ambient Temperature (°C) 120 140 160 180 Performance Characteristics Parameter Resistance T.C.R. Requirement ∆ R ±% Limit Typical Within specified –– tolerance Within specified –– T.C.R. Test Method 25°C Room temp. +100°C UP Resistance to Soldering Heat ±2.0% ±1.6% 350°C ± 10°C, 3 seconds Moisture Resistance ±3.0% ±2.7% Power rating x 1/10, 40°C, 90% - 95% RH, 1000 hours, 1.5 hr ON, 0.5 hr OFF cycle Endurance at 70°C ±5.0% ±3.0% Rated voltage, 70°C, 1000 hours 1.5 hr ON, 0.5 hr OFF cycle Specifications given herein may be changed at any time without prior notice. Please confirm technical specifications before you order and/or use. 1/05/13 KOA Speer Electronics, Inc. • 199 Bolivar Drive • Bradford, PA 16701 • USA • 814-362-5536 • Fax: 814-362-8883 • www.koaspeer.com 153 resistors LR