FRT250-33F

Radial Leaded PPTC FRT Series FEATURES • Fast trip time, lower Trip-to-hold Ratio, Radial-leaded • Product ideal for up to 36V • Application: IEEE 1394 FireWire, Computers & Consumer electronics • Operation Current: 500mA ~ 2.50A • Maximum Voltage: 36V • Temperature Range: -40°C to 85°C RoHS ü AGENCY RECOGNITION •UL (E211981) •C-UL (E211981) ELECTRICAL CHARACTERISTICS (23°C) Part Number FRT050-33F FRT075-33F FRT090-33F FRT130-33F FRT135-33F FRT160-33F FRT190-33F FRT220-33F FRT250-33F Hold Current IH, A 0.50 0.75 0.90 1.20 1.35 1.60 1.90 2.20 2.50 Trip Current IT, A 1.00 1.50 1.80 2.30 2.50 2.75 3.00 3.50 4.00 Max Time to Trip at 5xIH, Sec 5.0 4.0 3.5 3.5 4.5 4.5 3.5 6.5 8.0 Maximum Current IMAX, A 40 40 40 40 40 40 40 40 40 Rated Voltage VMAX, Vdc 36 36 36 36 36 36 36 36 36 Typical Power Pd, W 0.67 0.71 0.74 0.78 0.84 0.86 0.90 0.95 0.99 Resistance Tolerance RMIN R1MAX OHMS 0.14 0.12 0.09 0.07 0.06 0.04 0.05 0.03 0.02 OHMS 0.448 0.368 0.288 0.180 0.143 0.131 0.092 0.080 0.064 IH=Hold current-maximum current at which the device will not trip at 23°C still air. IT=Trip current-minimum current at which the device will always trip at 23°C still air. V MAX=Maximum voltage device can withstand without damage at its rated current. I MAX=Maximum fault current device can withstand without damage at rated voltage (V MAX). Pd=Typical power dissipated from device when in the tripped state in 23°C still air environment. RMIN=Minimum device resistance at 23°C. R1MAX=Maximum device resistance at 23°C, 1 hour after tripping. Physical specifications: Lead material: Tin plated copper, 24 AWG. Soldering characteristics: MIL-STD-202, Method 208E. Insulating coating: Flame retardant epoxy, meets UL-94V-0 requirement. Note: All Specification subject to change without notice FRT PRODUCT DIMENSIONS (MILLIMETERS) Part Number FRT050-33F FRT075-33F FRT090-33F FRT120-33F FRT135-33F FRT160-33F FRT190-33F FRT220-33F FRT250-33F A 7.4 7.4 7.4 7.4 7.4 7.4 9.0 10.0 10.0 B 12.2 12.2 12.2 12.2 14.2 14.0 13.5 17.0 19.5 C 5.1 5.1 5.1 5.1 5.1 5.1 5.1 5.1 5.1 D 7.6 7.6 7.6 7.6 7.6 7.6 7.6 7.6 7.6 E 3.0 3.0 3.0 3.0 3.0 3.0 3.0 3.0 3.0 F 1.1 1.1 1.1 1.1 1.1 1.1 1.1 1.1 1.1 Lead Size: 24AWG, ö 0.51 mm Diameter Maximum Maximum Typical Minimum Maximum Typical RFE International • Tel:(949) 833-1988 • Fax:(949) 833-1788 • E-Mail Sales@rfeinc.com C5EB03 REV 2007.03.1 Radial Leaded PPTC FRT Series THERMAL DERATING CURVE RoHS ü Thermal Derating Curve - FRT Series 200% Percent of Rated Hold and trip Current 150% 100% 1 50% 1 0% -40 -20 0 20 40 60 80 Ambient Temperature (°C) TYPICAL TIME-TO-TRIP AT 23°C A BCD E F G H I 1000 100 Time-to-trip (S) 10 1 0.1 0.01 0.1 1 10 Fault current (A) 100 A B C D E F G H I = = = = = = = = = FRT 050-33F FRT 075-33F FRT 090-33F FRT 120-33F FRT 135-33F FRT 160-33F FRT 190-33F FRT 220-33F FRT 250-33F NOTE: All specification subject to change without notice. RFE International • Tel:(949) 833-1988 • Fax:(949) 833-1788 • E-Mail Sales@rfeinc.com C5EB03 REV 2007.03.1