Fast-Acting Subminiature Fuses 6125FF Series Description Fast-acting surface mount fuse Overcurrent protection of systems up to 125Vac/72Vdc High inrush withstand capability Solder immersion compatible Electrical Characteristics % of Amp Rating Opening Time 100% 4 Hours Minimum 200% 5 Second Maximum Surface Mount Device Agency Information Dimensions - mm (in) Recognition File: E19180 Environmental Data Operating temperature: -55C to 125C Mechanical shock: MIL-STD-202, Method 213 High frequency vibration: MIL-STD-202, Method 204 Load humidity: MIL-STD-202, Method 103 Moisture resistance: MIL-STD-202, Method 106 Resistance to solvents: MIL-STD-202, Method 215 Thermal shock: MIL-STD-202, Method 107 Ordering Recommended Pad Layout - mm (in) Specify packaging and product code 2.6 3.0 (0.102) (0.118) (i.e., TR2/6125FF500-R) Soldering Method 4.0 (0.157) Wave immersion: 260C, 10 Sec. max. Solder reflow: 260C, 30 Sec. max. 8.6 (0.338) Specifications Part Current Voltage Interrupting DC Cold Melting Typical 2 Number Rating Rating Rating (amps) Resistance I t Voltage 2 (amps) Vac Vdc 125Vac 72Vdc 32Vdc (m) Typ. (A sec) Drop (mV) 6125FF500-R 500mA 125 72 50 50 300 750 0.08 605 6125FF750-R 750mA 125 72 50 50 300 350 0.152 433 6125FF1-R 1 125 72 50 50 300 260 0.22 415 6125FF1.25-R 1.25 125 72 50 50 300 171 0.355 410 6125FF1.5-R 1.5 125 72 50 50 300 112 0.456 365 6125FF2-R 2 125 72 50 50 300 49 1.67 160 6125FF2.5-R 2.5 125 72 50 50 300 45 5.20 155 6125FF3-R 3 125 72 50 50 300 35 6.24 153 6125FF3.5-R 3.5 125 72 50 50 300 27 7.28 150 6125FF4-R 4 125 72 50 50 300 26 7.4 145 6125FF5-R 5 125 72 50 50 300 17 9.5 141 6125FF6.3-R 6.3 125 72 50 50 300 14 15.1 135 6125FF7-R 7 125 72 50 50 300 11 37.25 112 6125FF8-R 8 125 72 50 50 300 8.7 70 110 6125FF10-R 10 125 72 50 50 300 7.3 67.75 110 6125FF12-R 12 125 72 50 50 300 5.3 210.59 106 6125FF15-R 15 125 72 50 50 300 4.2 296.10 104 * AC Interrupting Rating (Measured at designated voltage, 100% power factor) DC Interrupting Rating (Measured at designated voltage, time constant of less than 50 microseconds, battery source) 2 ** Typical Melting I t (Measured at 72Vdc, 10X rated current (not exceed 50A - IR 72Vdc) 1009 BU-SB09935 Page 1 of 2 Data Sheet 4326 66112255FFFF RRaattiinnggss AAbboovvee 22 AAmmppss AArree NNOOTT RReeccoommmmeennddeedd ffoorr NNEEWW DDeessiiggnnss.. RReeccoommmmeennddeedd RReeppllaacceemmeenntt ffoorr 22AA++ RRaattiinnggss iiss tthhee CCBB6611FF SSeerriieess.. SSeeee DDaattaa SShheeeett 44337777Time-Current Curve CURRENT IN AMPS CURRENT IN AMPS Packaging Code Packaging Code Prefix Description TR2 5,000 fuses on tape-and-reel on a 13 inch (330mm) reel The only controlled copy of this Data Sheet is the electronic read-only version located on the Cooper Bussmann Network Drive. All other copies of this document are by definition uncontrolled. This bulletin is intended to clearly present comprehensive product data and provide technical information that will help the end user with design applications. Cooper Bussmann reserves the right, without notice, to change design or construction of any products and to discontinue or limit distribution of any products. Cooper Bussmann also reserves the right to change or update, without notice, any technical information contained in this bulletin. Once a product has been selected, it should be tested by the user in all possible applications. Life Support Policy: Cooper Bussmann 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. 2009 Cooper Bussmann St. Louis, MO 63178 www.cooperbussmann.com 1009 BU-SB09935 Page 2 of 2 Data Sheet 4326 66112255FFFF RRaattiinnggss AAbboovvee 22 AAmmppss AArree NNOOTT RReeccoommmmeennddeedd ffoorr NNEEWW DDeessiiggnnss.. RReeccoommmmeennddeedd RReeppllaacceemmeenntt ffoorr 22AA++ RRaattiinnggss iiss tthhee CCBB6611FF SSeerriieess.. SSeeee DDaattaa SShheeeett 44337777