METAL FOIL CURRENT SENSE RESISTORS The content of this specification may change without notification 09/01/08 LR Series - Metal Foil Current Sense Resistor Custom solutions are available. HOW TO ORDER LR01 R005 J M Packaging M = Tape/Reel (4K/Reel, embossed tape) Tolerance (%) F = +1 G = +2* J = +5 FEATURES EIA Resistance Value R005 = 0.005Ω (5mΩ) R002 = 0.002Ω (2mΩ) R001 = 0.001Ω (1mΩ) Extremely low TCR Series Size APPLICATIONS Ultra Low Resistances (down to 1mΩ) Suitable for large current detecting Over coating: Molding compound UL-94 V-0 grade LR01 = 2512, LR12=2010, LR18=1206 Power unit (VRM) for CPU *AAC has the ability to manufacture +2% tolerance as an option based on customer’s requirement. Battery charges Power Supply DC/DC converter DIMENSIONS (mm) Size L W 0.6 ± 0.2 2.5 ± 0.2 a 2.0 ± 0.2 (≤2mΩ) 0.9 ± 0.2 (>mΩ) 0.6 ± 0.3 2512 6.4 ± 0.2 3.2 ± 0.2 2010 5.0 ± 0.2 1206 3.3 ± 0.2 t 1.6 ± 0.2 0.5 ± 0.2 0.7 ± 0.2 0.7 ± 0.2 RATING Type Power Rating Resistance Value LR18 = 1206 LR12 = 2010 1/4W & 1/2W 1W 1W 2W 5~20mΩ 3~30mΩ 1~50mΩ 1~10mΩ Operation Temperature Range Temperature Coefficient of Resistance LR01 =2512 -55°C~+170°C ±275ppm/°C ±100ppm/°C ±75ppm/°C R≤1mΩ 1mΩ<R≤10mΩ R>10mΩ ±1%, ±2%, ±5% Tolerance Insulation Resistance Over 100MΩ 1/2 Maximum Working Voltage (V) (P*R) DERATING CURVE If the ambient temperature exceeds 70°C, the rated power has to be derated according to the power derating curve shown to the right. American Accurate Components, 188 Technology Drive, Unit H Irvine, CA 92618 TEL: 949-453-9888 FAX: 949-453-8889 1