Effective May 2017 Technical Data 4344 Supersedes June 2008 1025TD Time-delay surface mount fuse Environmental data Life test: MIL-STD-202, Method 108A, Test Condition D Load humidity: MIL-STD-202, Method 103B Moisture resistance: MIL-STD-202, Method 106E Terminal strength: MIL-STD-202, Method 211A Thermal shock: MIL-STD-202, Method 107D, air- to-air Case resistance: EIA/IS-722 Resistance to dissolution of metallization: ANSI Product features J-STD-002, Test D Mechanical shock: MIL-STD-202, Method 213B Time-delay surface mount fuse with exceptions per EIA/IS-722 Standard Satisfies the EIA/IS-722 Standard High frequency vibration: MIL-STD-202, Method Solder immersion compatible 204D, Test Condition D Resistance to solvents: MIL-STD-202, Method Agency information 215A UL Recognition Guide & File numbers: JDYX2 & E19180 (250mA - 5A) Ordering CSA Component Acceptance: File 053787 C000, Class 1422 30 Specify packaging and product code (i.e., TR2/1025TD250-R) Soldering method Electrical Characteristics Wave immersion: 260C, 10 Sec. max. % of Amp Rating Opening Time Infrared reflow: 260C, 30 Sec. max. 100% 4 Hours Minimum 200% 1 Second Minimum 200% 60 Seconds Maximum 250% * 10 Seconds Maximum * If fuse does not open 200% in 60 seconds, raise current to 250% and the fuse must open in 10 seconds maximum. s DC Cold Current Voltage Interrupting Typical Typical Resistance** () Product Code Rating Rating Rating* Melting Voltage 2 Amps AC DC 250Vac 125Vdc Typical I t Drop 1025TD250-R 250mA 250 125 50A 50A 4.200 0.128 1900 mV 1025TD500-R 500mA 250 125 50A 50A 0.5500 1.47 455 mV 1025TD750-R 750mA 250 125 50A 50A 0.317 0.93 400 mV 1025TD1-R 1 250 125 50A 50A 0.2030 9.91 387 mV 1025TD1.5-R 1.5 250 125 50A 50A 0.1025 11.79 310 mV 1025TD2-R 2 250 125 50A 50A 0.0680 17.27 250 mV 1025TD2.5-R 2.5 250 125 50A 50A 0.0420 16.51 201 mV 1025TD3-R 3 250 125 50A 50A 0.0330 42.74 184 mV 1025TD3.5-R 3.5 250 125 50A 50A 0.0270 43.33 180 mV 1025TD4-R 4 250 125 50A 50A 0.0220 66.96 152 mV 1025TD5-R 5 250 125 50A 50A 0.0160 88.38 145 mV * AC Interrupting Rating (Measured at designated voltage, 100% power factor random closing) DC Interrupting Rating (Measured at designated voltage, time constant of the calibrated circuit is 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, time constant of calibrated circuit less than 50 microseconds Typical Voltage Drop (Measured at rated current after temperature stabilizes) 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.1025TD Technical Data 4344 Effective May 2017 Time-delay surface mount fuse Time-Current Curve Dimensions mm (in) Drawing Not to Scale Recommended Pad Layout mm (in) 3.30 (0.130) 4.38 (0.172) 6.79 (0.267) Packaging Code Packaging Code Pre x Description TR2 2,500 fuses on 24mm tape-and-reel on 13 inch (330mm) reel per EIA Standard 481 Life Support Policy: Eaton does not authorize the use of any of its products for use in life support devices or systems without the express written approval of an officer of the Company. Life support systems are devices which support or sustain life, and whose failure to perform, when properly used in accordance with instructions for use provided in the labeling, can be reasonably expected to result in significant injury to the user. Eaton reserves the right, without notice, to change design or construction of any products and to discontinue or limit distribution of any products. Eaton also reserves the right to change or update, without notice, any technical information contained in this bulletin. Eaton Electronics Division 1000 Eaton Boulevard Cleveland, OH 44122 United States www.eaton.com/electronics 2017 Eaton Eaton is a registered trademark. All Rights Reserved Printed in USA All other trademarks are property Publication No. 4344 BU-SB08288 of their respective owners. May 2017