Axial Lead and Cartridge Fuses Subminiature RoHS QPL PICO II Very Fast-Acting Fuse 251/253 The PICO II very fast-acting fuse is designed to meet an extensive array of performance characteristics in a space-saving subminiature package. RoHS Compliant version now available, use ordering suffix L (see example on data sheet). ELECTRICAL CHARACTERISTICS: % of Ampere Ampere Opening Rating Rating Time 100% 1/1615 4 hours, Minimum 1/167 1 second, Maximum 200% 10 3 seconds, Maximum 1215 10 seconds, Maximum AGENCY APPROVALS: Recognized under the Components 38.1 38.1 7.11 (.280 ) Program of Underwriters Laboratories and Certified by CSA. (1.5 ) (1.5 ) REF. Approved by METI from 1 through 5 amperes. AGENCY FILE NUMBERS: UL E10480, CSA LR 29862. F 2.80 (0.110 ) 1 A L DIA. MAX. REFERENCE TO MIL SPEC: Available in FM10 on QPL for MIL-PRF-23419. To order, change 251 to 253 as shown below. 0.64 (.025 ) DIA. INTERRUPTING RATINGS: EPOXY COATING 300 amperes at rated voltage VDC. 50 amperes at rated voltage VAC. ENVIRONMENTAL SPECIFICATIONS: 1 NOTE: .025 diameter for /1610A, .032 diameter for 12 15A. Operating Temperature: 55C to 125C. Shock: MIL-STD-202, Method 213, Test Condition I PACKAGING SPECIFICATIONS: Tape and Reel per EIA-296 (100 Gs peak for 6 milliseconds). T1: 2.062 (52.4mm) taped spacing 5,000 per reel. Vibration: MIL-STD-202, Method 201 (1055 Hz) Options: For RoHS Compliant devices add the letter L to end of Method 204, Test Condition C (552000 Hz at 10 Gs Peak). packaging suffix. Example: 0251001.NRT1L (RoHS Compliant 1A, Moisture Resistance: MIL-STD-202, Method 106. 5,000 per reel). PHYSICAL SPECIFICATIONS: Materials: Encapsulated, Epoxy-Coated Body Solder Coated Copper Average Time Current Curves Wire Leads. RoHS Compliant Product: Pure Tin coated copper wire leads. Flammability Rating: UL 94V0 Soldering Parameters: 100 Wave Solder 260C, 10 seconds maximum. Solderability: MIL-STD-202, Method 208. Lead Pull Force: MIL-STD-202, Method 211, Test Condition A (will withstand a 7 lb. axial pull test). PATENTED 10 ORDERING INFORMATION: Std. Type Mil. Type Nominal Nominal 2 Catalog Catalog Ampere Voltage Resistance Melting I t 2 Number Number Rating Rating Cold Ohms A Sec. 1 0251.062 0253.062 1/16 125 7.0 0.000113 0251.125 0253.125 1/8 125 1.70 0.00174 0251.250 0253.250 1/4 125 0.665 0.0116 0251.375 0253.375 3/8 125 0.395 0.0296 0251.500 0253.500 1/2 125 0.280 0.0598 0251.750 0253.750 3/4 125 0.175 0.153 0.1 0251 001 0253 001 1 125 0.128 0.256 1 0251 1.25 1 /4 125 0.100 0.390 1 0251 01.5 0253 01.5 1 /2 125 0.0823 0.587 0251 002 0253 002 2 125 0.0473 0.405 1 0251 02.5 2 /2 125 0.0360 0.721 0251 003 0253 003 3 125 0.0290 1.19 1 0251 03.5 3 /2 125 0.0240 1.58 0.01 0251 004 0253 004 4 125 0.0204 2.45 0251 005 0253 005 5 125 0.0155 4.14 0251 007 0253 007 7 125 0.0105 10.4 0251 010 0253 010 10 125 0.00705 25.5 0251 012 12 32 0.0055 45.2 0251 015 0253 015 15 32 0.00446 68.8 0.001 Note: Higher Ampere Ratings Available. 0.05 0.1 1 10 100 1000 Contact Technical Assistance for Details CURRENT IN AMPERES 388 www.littelfuse.com TIME IN SECONDS 1/16A 1/8A 1/4A 3/8A 1/2A 3/4A 1A 1 1/4A 1 1/2A 2A 2 1/2A 3A 3 1/2A 4A 5A 7A 10A 12A 15AX-ON Electronics Largest Supplier of Electrical and Electronic Components Click to view similar products for Fuses with Leads (Through Hole) category: Click to view products by Littelfuse manufacturer: Other Similar products are found below : 89096-013 89096-015 A170100400 BKPCH-5-R 252010 252.062 SS-5-800MA-AP SS-5F-3.15A-AP 252004 263.750 LKB-3 0252001.M- 0471005.MAT1L 0473004.MAT1L 0473.750HAT1L 0471002.MAT1L 0471.500MAT1L 0491002.MAT1 0473001.HAT1L 0473002.HAT1L 0473.500HAT1L SS-5-1.6A-AP SS-5F-2.5A-AP SR-5H-2.5A-AP SS-5-6.3A-BK BK-AGC-2-1-2-R BK-GMA-8-R BK- GMD-4-R BK-GMT-4A BK-MDL-1 BK-PCD-5-R BK-C520-5-R BK-GMC-10-R BK-MDA-V-30-R BK-S500-500-R BK-SFE-20 BK- GMA-1-25-R GMQ-3-2-10 GLX-12 PCB-34-R SR-5H-4A-AP RST 5-AMMO PCF-1/2-R SR-5H-3.15A-BK SR-5H-2A-BK 047101.5MAT1L 0471003.MAT1L GFA-12 89096-005 SR-5F-1-6A-BK