Radial Leaded PTC Resettable Fuse: FRU 300-30F 1. Summary (a) RoHs Compliant (Lead Free) Product (b) Applications: Wide variety of electronic equipment (c) Product Features: Low resistance, High hold current, Solid state, Radial leaded product ideal for up to 30V (d) Operation Current: 3.00A (e) Maximum Voltage: 30V (f) Temperature Range : -40℃ to 85℃ 2. Agency Recognition UL: File No. E211981 C-UL: File No. E211981 TÜV: File No. R 50004084 3. Electrical Characteristics (23℃) Hold Trip Max.Time Maximum Rated Typical Resistance Tolerance Part Current Current To Trip Current Voltage Power RMIN RMAX R1MAX Number IH, A IT, A at 5xIH IMAX, A VMAX, Vdc Pd, W ohms ohms ohms FRU300-30F 3.00 6.00 10.8 40 30 2.0 0.020 0.050 IH=Hold current-maximum current at which the device will not trip at 23℃ still air. IT=Trip current-minimum current at which the device will always trip at 23℃ 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=Maximum power dissipated from device when in tripped state in 23℃ still air environment. RMIN=Minimum device resistance at 23℃. R1MAX=Maximum device resistance at 23℃, 1 hour after tripping. Physical specifications: Lead material: Tin plated copper, 20 AWG. Soldering characteristics: MIL-STD-202, Method 208E. Insulating coating:Flame retardant epoxy, meets UL-94V-0 requirement. 4. Production Dimensions (millimeter) FRU 300-30F Lead Size : 20AWG Φ 0.81 mm Diameter Part Number A B C D E F Maximum Maximum Typical Minimum Maximum Typical FRU300-30F 11.4 17.3 5.1 7.6 3.0 NOTE : Specification subject to change without notice. 1.2 0.080 5. Thermal Derating Curve Thermal Derating Curve, FRU 300-30F Precent of Rated Hold and Trip Current 200% 150% 100% 50% 0% -40 -20 0 20 40 60 80 Ambient Temperature (C) 6. Typical Time-To-Trip at 23℃ FRU300-30F 1000 Time-to-trip (S) 100 10 1 0.1 0.01 0.001 1 10 Fault current (A) NOTE : Specification subject to change without notice. 100 7. Material Specification Lead material：Tin plated copper, 20 AWG. Soldering characteristics: MIL-STD-202, Method 208E. Insulating coating:Flame retardant epoxy, meets UL-94V-0 requirement. 8. Part Numbering and Marking System Part Numbering System Part Marking System FRU □ □ □ ─ □ □F RoHS Compliant / Lead Free Voltage rating Current rating F RU300F 21AB F RU □ □ □F Example □ □ □ □ RoHS Compliant / Lead Free Part Identification Product Family Date Code/Lot Number Warning: -Operation beyond the specified maximum ratings or improper use may result in damage and possible electrical arcing and/or flame. -PPTC device are intended for occasional overcurrent protection. Application for repeated overcurrent condition and/or prolonged trip are not anticipated. - Avoid contact of PPTC device with chemical solvent. Prolonged contact will damage the device performance. NOTE : Specification subject to change without notice.