Chip Fuses 0603FA Series, Fast Acting Description RoHS 2002/95/EC Rapid interruption of excessive current Compatible with reflow and wave solder Rugged ceramic and glass construction Excellent environmental integrity One time positive disconnect Compatible with lead free solders and higher temperature profiles ELECTRICAL CHARACTERISTICS % of Amp Rating Opening Time mm Dimensions (inches) 100% 4 Hours Minimum Drawing Not to Scale 200% 60 Seconds Maximum Agency Information UL Recognition Guide & File numbers: JDYX2 &E19180 CSA Component Acceptance: 053787 C 000 & Class Number: 1422 30 Environmental Data Life Test: MIL-STD-202, Method 108A Load Humidity Test: MIL-STD-202, Method 103B Moisture Resistance Test: MIL-STD-202, Method 106E Terminal Strength Test: Downward force is applied to 1.25 Land Pattern cause a 1mm deflection for 1 minute (0.05) Thermal Shock Test: MIL-STD-202, Method 107D Solderability: ANSI/J-STD-002 Mechanical Shock Test: MIL-STD-202, Method 213B High Frequency Vibration Test: MIL-STD-202, Method 204D 0.50 0.90 Resistance to Solvents Test: MIL-STD-202, Method 215A (0.02) (0.035) Ordering Soldering Method Specify packaging and product code Wave Solder: 260C, 10 sec max. (i.e., TR/0603FA250-R) Infrared Reflow: 260C, 30 sec max. SPECIFICATIONS Current Voltage Interrupting DC Cold Typical Typical Alpha Product Code Rating Rating Rating at Resistance** (ohms) Melting Voltage Code 2 DC Rated Voltage* Typical I t*** Drop Marking 0603FA250-R 250mA 32V 50A 3.100 0.0004 0.921 D 0603FA375-R 375mA 32V 50A 1.250 0.0009 0.605 E 0603FA500-R 500mA 32V 50A 1.025 0.00193 0.600 F 0603FA750-R 750mA 32V 50A 0.450 0.0090 0.440 G 0603FA1-R 1A 32V 50A 0.150 0.0025 0.211 H 0603FA1.25-R 1.25A 32V 35A 0.108 0.0130 0.151 J 0603FA1.5-R 1.5A 32V 35A 0.086 0.0319 0.138 K 0603FA2-R 2A 32V 35A 0.051 0.0491 0.116 N 0603FA2.5-R 2.5A 24V 35A 0.037 0.0625 0.113 O 0603FA3-R 3A 24V 35A 0.028 0.0699 0.110 P 0603FA3.5-R 3.5A 24V 35A 0.022 0.1200 0.103 R 0603FA4-R 4A 24V 35A 0.017 0.2430 0.097 S 0603FA5-R 5A 24V 35A 0.011 0.6950 0.090 T * DC Interrupting Rating (Measured at designated voltage, time constant of less than 50 microseconds, battery source) ** DC Cold Resistance (Measured at 10% of rated current) 2 ***Typical Melting I t (Measured with a battery bank at rated DC voltage, 10x-rated current, not to exceed IR, time constant of calibrated circuit less than 50 microseconds) (0603FA4A and 5A measured at interrupting rating) Typical Voltage Drop (Measured at rated current after temperature stabilizes) Alpha code to be marked on the top of fuse body for all ratings Device designed to carry rated current for four hours minimum. An operating current of 80% or less of rated current is recommended, with further derating required at elevated ambient temperatures.