FRT250-33F

NO. FUZETEC TECHNOLOGY CO., LTD. PQ15-101E Product Specification and Approval Sheet Version A2 Page 1/3 Radial Leaded PTC Resettable Fuse: FRT Series 1. Summary (a) RoHS Compliant (Lead Free) Product (b) Applications: IEEE 1394 FireWire, Computers & Consumer electronics (c) Product Features: Fast trip time, Lower Trip-to-hold Ratio, Radial-leaded product ideal for up to 36VDC (d) Operation Current: 0.50A~2.50A (e) Maximum Voltage: 36VDC (f) Temperature Range : -40℃ to 85℃ 2. Agency Recognition UL: C-UL: TÜ V: File No. E211981 File No. E211981 File No. R50004084 3. Electrical Characteristics (23℃) Part Trip Max.Time Max. Rated Typ. Current Current To Trip Current Voltage Power RMIN R1MAX IH, A IT, A at 5XIH,S IMAX, A VMAX, VDC Pd, W Ohms Ohms 0.50 0.75 0.90 1.20 1.35 1.60 1.90 2.20 2.50 1.10 1.50 1.80 2.30 2.50 2.75 3.00 3.50 4.00 5.0 4.0 3.5 3.5 4.5 4.5 3.5 6.5 8.0 40 40 40 40 40 40 40 40 40 36 36 36 36 36 36 36 36 36 0.67 0.71 0.74 0.78 0.84 0.86 0.90 0.95 0.99 0.140 0.115 0.090 0.074 0.059 0.041 0.045 0.025 0.020 0.448 0.368 0.288 0.180 0.143 0.131 0.092 0.080 0.064 Number FRT050-33F FRT075-33F FRT090-33F FRT120-33F FRT135-33F FRT160-33F FRT190-33F FRT220-33F FRT250-33F Resistance Hold 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=Typical 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 clad steel, 24 AWG. Soldering characteristics:MIL-STD-202, Method 208E. Insulating coating:Flame retardant epoxy, meets UL-94V-0 requirement. NOTE : Specification subject to change without notice. 2019/11/12 NO. FUZETEC TECHNOLOGY CO., LTD. PQ15-101E Product Specification and Approval Sheet Version A2 Page 2/3 4. Production Dimensions (millimeter) Lead Size :24AWG Φ 0.51 mm Diameter Part A B C D E F Number Maximum Maximum Typical Minimum Maximum Typical FRT050-33F FRT075-33F FRT090-33F FRT120-33F FRT135-33F FRT160-33F FRT190-33F FRT220-33F FRT250-33F 7.4 7.4 7.4 7.4 7.4 7.4 9.0 10.0 10.0 12.2 12.2 12.2 12.2 14.2 14.0 13.5 17.0 19.5 5.1 5.1 5.1 5.1 5.1 5.1 5.1 5.1 5.1 7.6 7.6 7.6 7.6 7.6 7.6 7.6 7.6 7.6 3.0 3.0 3.0 3.0 3.0 3.0 3.0 3.0 3.0 1.1 1.1 1.1 1.1 1.1 1.1 1.1 1.1 1.1 5. Thermal Derating Curve Percent of Rated Hold and Trip Current FRT Series 200% 150% 100% 50% 0% -40 -20 0 20 40 60 80 Ambient Temperature (℃) NOTE : Specification subject to change without notice. 2019/11/12 NO. FUZETEC TECHNOLOGY CO., LTD. PQ15-101E Product Specification and Approval Sheet Version A2 Page 3/3 6. Typical Time-To-Trip at 23℃ A= FRT050-33F B= FRT075-33F C= FRT090-33F D= FRT120-33F E= FRT135-33F F= FRT160-33F G= FRT190-33F H= FRT220-33F I = FRT250-33F 7. Material Specification Lead material： Tin plated copper clad steel, 24 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 FRT □ □ □ ─ □ □ F RoHS Compliant / Lead Free F RT135F 91AB F RT □ □ □ F Voltage Rating Fuzetec Logo RoHS Compliant / Lead Free Part Identification Product Family Current Rating Example □ □ □ □ Date Code/Lot Number Note: Font on Marking may look slightly different due to fine turnings of each Marking printer. NOTE : Specification subject to change without notice. 2019/11/12