Axial Lead Fuses Subminiature PICO® II Time Lag Fuse 472 Series • The PICO II time-lag fuse is designed for applications that require moderate inrush withstand and has a very low fuse resistivity. • For additional inrush withstand, consult the 473 Series. ELECTRICAL CHARACTERISTICS: % of Ampere Rating 100% 200% Opening Time 4 hours, Minimum 120 seconds, Max. AGENCY APPROVALS: Recognized under the Components Program of Underwriters Laboratories. AGENCY FILE NUMBERS: INTERRUPTING RATINGS: 0.5 through 3 amperes – 50 amperes at 125 VAC and VDC 3.5 through 5 amperes – 50 amperes at 125 VAC ENVIRONMENTAL SPECIFICATIONS: Operating Temperature: -55OC to 125OC Shock: MIL-STD-202, Method 213, Test Condition I (100 G’s peak for 6 milliseconds). Vibration: MIL-STD-202, Method 201 (10-55 Hz); Method 204, Test Condition C (55-2000 Hz at 10 G’s Peak). Moisture Resistance: MIL-STD-202, Method 106. PHYSICAL SPECIFICATIONS: Materials: Encapsulated, Epoxy-Coated Body; Solder Coated Copper Wire Leads, RoHS Compliant Product: Pure Tin coated copper Wire leads. Flammability Rating: UL 94V0 Soldering Parameters: Wave Solder 260°C, 10 seconds maximum. Solderability: MIL-STD-202, Method 208 Lead Pull Force: MIL-STD-202, Method 211, Test Condition A (will Withstand a 7lb. Axial pull test). ORDERING INFORMATION: Catalog Number 0472 .500 0472 001. 0472 01.5 0472 002. 0472 02.5 0472 003. Rev. 1 (June 1, 06) Ampere Rating 1/2 1 1.5 2 2.5 3 Voltage Rating 125 125 125 125 125 125 Nominal Resistance Cold Ohms 0.17445 0.07850 0.03917 0.02507 0.02093 0.01866 Nominal Melting I²T A² Sec. 0.193 0.938 2.408 4.236 7.084 9.360