Technical Data 10572 Effective June 2017 Supersedes February 2017 1025HC Fast-acting, high current, surface mount ceramic tube fuses HALOGEN HF FREE Applications Primary and secondary circuit protection: * Server and desktop power supplies * Gaming console systems * Voltage Regulator Module (VRM) * Storage system power * Base station power supplies * Basic power supplies * LED and general lighting * Test equipment Agency information Product description * Fast-acting high current fuse * Compact design utilizes less board space * 20 A to 50 A current ratings * Ceramic tube, silver plated brass end cap construction * Halogen free and RoHS compliant * cURus Recognition file number: E19180, Guide JDYX2/JDYX8 * PSE: JET 7042-31007-1002 (20 A to 30 A) Ordering * Use ordering number (see page 7 for details) Packaging suffixes * -TR (20 A to 30 A: 1500 parts per 13" diameter reel, tape width 24 mm) (40 A to 50 A: 1000 parts per 13" diameter reel, tape width 24 mm) 1025HC Fast-acting, high current, surface mount ceramic tube fuses Technical Data 10572 Effective June 2017 Electrical characteristics % of Amp Rating Opening Time 100 4 hours minimum 200 60 s maximum Product specifications Voltage rating (VAC) Voltage rating (VDC) Interrupting rating at rated voltage (AAC) Interrupting rating at rated voltage1 (ADC) Part number4 Current rating (A) Typical DC cold resistance2 (mW ) Typical melting3 I2t (A2s) 1025HC20-R 20 250 72 100 500 3.1 25 <PS> E JET BUSS 20A x x 1025HC25-R 25 250 72 100 500 2.6 50 <PS> E JET BUSS 25A x x 1025HC30-R 30 250 72 100 500 1.7 112 <PS> E JET BUSS 30A x x 1025HC40-R 40 250 72 300 500 1.3 400 BUSS 40A x 1025HC50-R 50 250 60 300 600 1.1 600 BUSS 50A x Part marking cURus PSE 1 DC interrupting rating measured at rated voltage, time constant of less than 1.0 microseconds, battery source 2 Typical DC cold resistance measured at <10% of rated current at an ambient temperature of 20 C (reference only) 3. Typical melting It value is measured at 10In rated current 4. Part number definition: 1025HCxx-R 1025HC= Product code and size xx= Ampere rating -R= Rohs compliant Dimensions (mm) Recommended pad layout (mm) 20 A to 30 A 40 A to 50 A Rating A B C 20 A to 30 A 10.0 0.50 3.15 0.15 1.70 0.15 Recommended trace thickness is 3 oz. 40 A to 50 A 12.4 0.50 4.50 0.15 2.70 0.15 Recommended min-trace width is 10 mm (20 A to 30 A) and 15 mm (40 A to 50 A) 2 www.eaton.com/electronics 1025HC Fast-acting, high current, surface mount ceramic tube fuses Technical Data 10572 Effective June 2017 Packaging information (mm) Ao Bo Ko 20 A to 30 A 3.50 10.4 3.5 40 A to 50 A 4.90 12.7 4.5 Section A-A User Direction of Feed Temperature derating curve 1.2 Derating Factor 1 0.8 0.6 0.4 0.2 0 -55 -35 -15 5 25 45 65 85 105 125 Temperature (C) www.eaton.com/electronics 3 1025HC Fast-acting, high current, surface mount ceramic tube fuses Technical Data 10572 Effective June 2017 Time vs. current curve 50A 40A 30A 25A 20A 10000 1000 100 Time (s) 10 20A 25A 30A 1 40A 50A 0.1 0.01 0.001 10 100 Current (A) 4 www.eaton.com/electronics 1000 1025HC Fast-acting, high current, surface mount ceramic tube fuses Technical Data 10572 Effective June 2017 l2t vs. current curve 10000000 50A 40A 30A 1000000 25A 20A I2t (A2s) 100000 10000 20A 25A 30A 40A 50A 1000 100 10 10 100 1000 Current (A) www.eaton.com/electronics 5 1025HC Fast-acting, high current, surface mount ceramic tube fuses Technical Data 10572 Effective June 2017 l2t vs. time curve 1000000 100000 I2t (A2s) 10000 20A 25A 30A 1000 40A 50A 50A 40A 30A 100 25A 20A 10 0.0001 0.001 0.01 0.1 Time (s) 6 www.eaton.com/electronics 1 10 100 1000 1025HC Fast-acting, high current, surface mount ceramic tube fuses Technical Data 10572 Effective June 2017 Environmental data Operating temperature: - 55 C to 125 C (with derating) Thermal cycling: (100 cycles - 55 C to 125 C) Vibration: (20 g's, 10 Hz - 2000 Hz) Board flex: 60 s, 2 mm Mechanical shock: 3000 g, 0.3 ms Termination strength: 1.8 kg, 60 s Solderability test: J-STD- 002, Method B1, G1 and D Ordering codes The ordering code is the part number adding the packaging suffix. Ordering codes Part number -TR option 1025HC20-R 1025HC20-RTR 1025HC25-R 1025HC25-RTR 1025HC30-R 1025HC30-RTR 1025HC40-R 1025HC40-RTR 1025HC50-R 1025HC50-RTR Packaging suffixes * -TR (20 A to 30 A: 1500 parts per 13" diameter reel, tape width 24 mm) (40 A to 50 A: 1000 parts per 13" diameter reel, tape width 24 mm) www.eaton.com/electronics 7 1025HC Fast-acting, high current, surface mount ceramic tube fuses Technical Data 10572 Effective June 2017 Wave solder profile tp Temperature Tp First Wave Second Wave Tsmax Tstyp Tsmin Preheat area Cool down area Time Reference EN 61760-1:2006 Profile Feature Standard SnPb Solder Lead (Pb) Free Solder * Temperature min. (Tsmin) 100 C 100 C * Temperature typ. (Tstyp) 120 C 120 C * Temperature max. (Tsmax) 130 C 130 C * Time (Tsmin to Tsmax) (ts) 70 seconds 70 seconds D preheat to max Temperature 150 C max. 150 C max. Peak temperature (TP)* 235 C - 260 C 250 C - 260 C Time at peak temperature (tp) 10 seconds max 5 seconds max each wave 10 seconds max 5 seconds max each wave Ramp-down rate ~ 2 K/s min ~3.5 K/s typ ~5 K/s max ~ 2 K/s min ~3.5 K/s typ ~5 K/s max Time 25 C to 25 C 4 minutes 4 minutes Preheat Manual solder 350 C, 4-5 seconds (by soldering iron), generally manual, hand soldering is not recommended. 8 www.eaton.com/electronics 1025HC Fast-acting, high current, surface mount ceramic tube fuses Technical Data 10572 Effective June 2017 Solder reflow profile TP TC -5C tP Max. Ramp Up Rate = 3C/s Max. Ramp Down Rate = 6C/s Temperature TL Preheat A T smax t Table 1 - Standard SnPb Solder (Tc) Package Thickness Volume mm3 <350 Volume mm3 350 <2.5mm) 235 C 220 C 2.5mm 220 C 220 C Table 2 - Lead (Pb) Free Solder (Tc) Tsmin 25C ts Time 25C to Peak Package Thickness Volume mm3 <350 Volume mm3 350 - 2000 Volume mm3 >2000 <1.6mm 260 C 260 C 260 C 1.6 - 2.5mm 260 C 250 C 245 C >2.5mm 250 C 245 C 245 C Time Reference JDEC J-STD-020D Profile Feature Standard SnPb Solder Lead (Pb) Free Solder * Temperature min. (Tsmin) 100 C 150 C * Temperature max. (Tsmax) 150 C 200 C * Time (Tsmin to Tsmax) (ts) 60-120 Seconds 60-120 Seconds Average ramp up rate Tsmax to Tp 3 C/ Second Max. 3 C/ Second Max. Liquidous temperature (Tl) Time at liquidous (tL) 183 C 60-150 Seconds 217 C 60-150 Seconds Peak package body temperature (TP)* Table 1 Table 2 Time (tp)** within 5 C of the specified classification temperature (Tc) 20 Seconds** 30 Seconds** Average ramp-down rate (Tp to Tsmax) 6 C/ Second Max. 6 C/ Second Max. Time 25 C to Peak Temperature 6 Minutes Max. 8 Minutes Max. Preheat and Soak * Tolerance for peak profile temperature (Tp) is defined as a supplier minimum and a user maximum. ** Tolerance for time at peak profile temperature (tp) is defined as a supplier minimum and a user maximum. 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 (c) 2017 Eaton All Rights Reserved Publication No. 10572 EE-PCN17028 June 2017 Eaton is a registered trademark. All other trademarks are property of their respective owners.