Axial Lead & Cartridge Fuses PICO® > Very Fast-Acting Fuse > 275 Series 275 Series, PICO® Very Fast-Acting Fuse RoHS Description The PICO® Very Fast-Acting Fuse is designed to meet an extensive array of performance characteristics in a space-saving subminiature package. Features • Very fast-acting • RoHS compliant • Small size • Wide operating temperature range • High current rating (20A- 30A) • Low temperature rerating Agency Approvals Applications • Power supply • Networking equipment Agency Agency File Number Ampere Range • PC server • Storage system E10480 20A - 30A Electrical Characteristics Additional Information % of Ampere Ampere Rating Opening Time Rating 100% 20A - 30A 4 Hours, Min. 200% 20A - 30A 10 Seconds, Max. Datasheet Resources Samples Electrical Characteristics Agency Max Ampere Nominal Cold Nominal Approvals Ordering Voltage Interrupting Rating Amp Code Resistance Melting Number Rating Rating (A) (Ohms) I2t (A2 sec) (V) 20.0 020. 0275020. 32 0.0033 203 x 300A@32VDC 25.0 025. 0275025. 32 0.0024 288 x 100A@32VAC 30.0 030. 0275030. 32 0.0020 355 x © 2018 Littelfuse, Inc. Application testing is strongly recommended.Specifications are subject to change without notice. Revised: 02/15/18

Axial Lead & Cartridge Fuses PICO® > Very Fast-Acting Fuse > 275 Series Temperature Re-rating Curve Average Time Current Curves AAA 050 223 100 10 S D N O C E1 S N E I M TI 0.1 Note: Rerating depicted in this curve is in addition to the standard derating of 25% for continuous operation. 0.01 Soldering Parameters 0.001 Recommended Process Parameters: 0.05 0.1 1 10 100 1000 CURRENT IN AMPERES Wave Parameter Lead-Free Recommendation Preheat: (Depends on Flux Activation Temperature) (Typical Industry Recommendation) Temperature Minimum: 100°C Temperature Maximum: 150°C Preheat Time: 60-180 seconds Solder Pot Temperature: 260°C Maximum Solder Dwell Time: 2-5 seconds Recommended Hand-Solder Parameters: Solder Iron Temperature: 350°C +/- 5°C Heating Time: 5 seconds max. Note: These devices are not recommended for IR or Convection Reflow process. © 2018 Littelfuse, Inc. Specifications are subject to change without notice. Revised: 02/15/18

Axial Lead & Cartridge Fuses PICO® > Very Fast-Acting Fuse > 275 Series Product Characteristics Transparent Polyvinylidene Fluoride Operating Temperature –60ºC to +125ºC (Consider re-rating) Materials sleeve covered body, pure tin plated copper wire leads MIL-STD-202, Method 213, Test Condition I (100 G’s peak for 6 Solderability MIL-STD-202, Method 208 Shock milliseconds) and per method 2028 MIL-STD-202, Method 211, Test Condition (78G’s peak for 11 milliseconds) Lead Pull Force A (will withstand a 5lbs. axial pull test) MIL-STD-202, Method 201 (10–55 Vibration Hz); Method 204, Test Condition D (Vibrations of 10-2000 cps at 20 G’s) Moisture Resistance MIL-STD-202, Method 106 Dimensions Part Numbering System 0275 xxxx M R T1 L 275 000 Series B B Series A 275 C Current Rating 3/4 A DIA. Refer to Amp Code column of D Electrical Characteristics Table Transparent Insulating Sleeve Quantity M = 1000 V = 5 Type of Packaging Amperage Dimensions in mm (inches) R = Reel A B C D X = Loose Pack 7.87 27.78 3.38 1.016 20 - 30 (.31") (1.094") (.133") (.040") Lead Length T1 = 52.4mm (2.062”) Blank = For Loose pack (MXL,VXL) RoHS Only RoHS parts are available for 275 Series Packaging Quantity & Packaging Option Packaging Specification Packaging Code Please refer to available quantities above in “Part T1: 52.4mm (2.062") Tape and Reel EIA 296 Numbering System” The default lead length for loose pack is T1. Disclaimer Notice - Information furnished is believed to be accurate and reliable. However, users should independently evaluate the suitability of and test each product selected for their own applications. Littelfuse products are not designed for, and may not be used in, all applications. Read complete Disclaimer Notice at www.littelfuse.com/disclaimer-electronics. © 2018 Littelfuse, Inc. Specifications are subject to change without notice. Revised: 02/15/18