POLYFUSE® RESETTABLE FUSES Specifications SMD Type, 6 V - 60 V Standard Packaging UL 1434 1st Edition CSA C22.2 No. 0 CSA TIL No. CA-3A A Approvals Terminals: TS: Solder-plated copper TF: Lead free plating on request Max. Device Surface Temperature in Tripped State 125 °C Operating / Storage Temperature -40 ºC to +85 ºC (consider derating) Humidity Ageing +85 °C, 85 % R.H., 1000 hours, ± 5 % typical resistance change Vibration MIL-STD-883C, Method 2007.1, Condition A, no change Thermal Shock MIL-STD-202F, Method 107G +85 °C to -40 °C 20 times, -30 % typical resistance change Solderability Meets EIA Specification RS186-9E, ANSI/J-STD-002, Category 3 Reflow only Solvent Resistance MIL-STD-202, Method 215, no change Marking “P”, Part Code cULus Recognition TÜV Features These devices offer a wide range of hold currents from 0.3 A to 3.0 A and voltages from 6 V to 60 V.The SMD2920 product line is suitable for high density circuit board applications in computers, telecommunications and general electronics. Suitable for reflow soldering Solder pad Layout (mm) 4.6 5.3 4.0 4.0 Dimensions (mm) Model A Min Max SMD2920P030TS/TF SMD2920P050TS/TF SMD2920P075TS/TF SMD2920P075TS/TF/60 SMD2920P100TS/TF SMD2920P125TS/TF SMD2920P150TS/TF SMD2920P185TS/TF SMD2920P200TS/TF SMD2920P200TS/TF/24 SMD2920P250TS/TF SMD2920P260TS/TF SMD2920P300TS/TF SMD2920P300TS/TF/15 6.73 6.73 6.73 6.73 6.73 6.73 6.73 6.73 6.73 6.73 6.73 6.73 6.73 6.73 B Min Max 7.98 7.98 7.98 7.98 7.98 7.98 7.98 7.98 7.98 7.98 7.98 7.98 7.98 7.98 4.80 4.80 4.80 4.80 4.80 4.80 4.80 4.80 4.80 4.80 4.80 4.80 4.80 4.80 5.44 5.44 5.44 5.44 5.44 5.44 5.44 5.44 5.44 5.44 5.44 5.44 5.44 5.44 C Min Max 0.75 0.75 0.75 1.20 0.55 0.55 0.75 0.75 0.75 0.75 0.75 0.55 0.75 0.75 1.25 1.25 1.25 2.00 1.00 1.00 1.25 1.25 1.25 1.25 1.25 1.00 1.25 1.25 D Min E Min Max 0.30 0.30 0.30 0.30 0.30 0.30 0.30 0.30 0.30 0.30 0.30 0.30 0.30 0.30 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 Permissible continuous operating current is ≤ 100 % at ambient temperature of 20 ºC (68 ºF). Model Ihold ITrip Vmax. dc Imax. max. time to trip (A) (A) (A) (V) (A) (s @ A) SMD2920P030TS/TF SMD2920P050TS/TF SMD2920P075TS/TF SMD2920P075TS/TF/60 SMD2920P100TS/TF SMD2920P125TS/TF SMD2920P150TS/TF SMD2920P185TS/TF SMD2920P200TS/TF SMD2920P200TS/TF/24 SMD2920P250TS/TF SMD2920P260TS/TF SMD2920P300TS/TF SMD2920P300TS/TF/15 0.30 0.50 0.75 0.75 1.10 1.25 1.50 1.85 2.00 2.00 2.50 2.60 3.00 3.00 0.60 1.00 1.50 1.50 2.20 2.50 3.00 3.70 4.00 4.00 5.00 5.20 6.00 6.00 60 60 30 60 33 15 33 33 15 24 15 6 6 15 10 10 40 10 40 40 40 40 40 40 40 40 40 40 Please choose TS for SnPb and TF for Sn plating NOTE: I hold = I trip = Vmax = I max = Hold current: maximum current device will pass without tripping in 20 °C still air. Trip current: minimum current at which the device will trip in 20 °C still air. Maximum voltage device can withstand without damage at rated current (I max) Maximum fault current device can withstand without damage at rated voltage (Vmax) Order Information 040606 Qty. OrderNumber Model 3.00 @ 1.50 4.00 @ 2.50 0.30 @ 8.00 0.30 @ 8.00 0.50 @ 8.00 2.00 @ 8.00 2.00 @ 8.00 2.50 @ 8.00 5.00 @ 8.00 5.00 @ 8.00 10.00 @ 8.00 10.00 @ 8.00 20.00 @ 8.00 20.00 @ 8.00 packaging quantity tape 2.00 2.00 2.00 2.00 2.00 2.00 2.00 2.00 2.00 2.00 2.00 2.00 2.00 2.00 1,500 1,500 1,500 t.b.d. 2,000 2,000 1,500 1,500 1,500 1,500 1,500 2,000 1,500 1,500 Pd max. (W) R min.( ) 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.200 0.350 0.350 0.300 0.120 0.070 0.080 0.065 0.050 0.050 0.035 0.025 0.015 0.015 Resistance Approvals R typ.( ) RI max.( ) 3.000 0.870 0.670 t.b.d. 0.270 0.160 0.150 0.110 0.090 0.090 0.060 0.050 0.033 0.033 4.800 1.400 1.000 0.950 0.410 0.250 0.230 0.150 0.125 0.125 0.085 0.075 0.048 0.048 TÜV Dimensions (mm) Blistertape and reel Ø 178 mm Materials cURus SMD2920 • • • p • • • • • • • • • • • • • p • • • • • • • • • • Pd = Power dissipated from device when in the tripped state at 20 °C still air. Minimum resistance of device in initial (un-soldered) state. R min= Maximum resistance of device at 20 °C measured one hour after tripping for 20 s. R 1max= Caution: Operation beyond the specified rating may result in damage and possible arcing and flame. Specifications are subject to change without notice Packaging In our continuing strategy to deliver unparalleled circuit protection solutions, technical expertise and application leadership, we proudly introduce the WICKMANN Group and its products to the Littelfuse portfolio. t.b.d. = to be determined p = pending www.littelfuse.com POLYFUSE® RESETTABLE FUSES SMD2920 A: SMD2920P030TS/TF B: SMD2920P050TS/TF C: SMD2920P075TS/TF D: SMD2920P075TS/TF/60 D: SMD2920P100TS/TF E: SMD2920P125TS/TF F: SMD2920P150TS/TF G: SMD2920P185TS/TF H: SMD2920P200TS/TF I: SMD2920P200TS/TF/24 J: SMD2920P250TS/TF K: SMD2920P260TS/TF L: SMD2920P300TS/TF M: SMD2920P300TS/TF/15 Thermal Derating Chart Model SMD2920P030TS/TF SMD2920P050TS/TF SMD2920P075TS/TF SMD2920P075TS/TF/60 SMD2920P100TS/TF SMD2920P125TS/TF SMD2920P150TS/TF SMD2920P185TS/TF SMD2920P200TS/TF SMD2920P200TS/TF/24 SMD2920P250TS/TF SMD2920P260TS/TF SMD2920P300TS/TF SMD2920P300TS/TF/15 040606 Ambient Operation Temperature - Ihold (A) -40 °C -20 °C 0 °C 23 °C 40 °C 50 °C 60 °C 70 °C 85 °C 0.45 0.76 1.13 t.b.d. 1.66 1.89 2.27 2.80 3.02 3.14 3.78 3.64 4.53 4.20 0.40 0.67 1.01 t.b.d. 1.47 1.68 2.01 2.47 2.68 2.77 3.35 3.25 4.02 3.85 0.35 0.59 0.88 t.b.d. 1.29 1.46 1.76 2.17 2.34 2.42 2.93 2.91 3.51 3.44 0.30 0.50 0.75 t.b.d. 1.10 1.25 1.50 1.85 2.00 2.00 2.50 2.60 3.00 3.00 0.25 0.42 0.62 t.b.d. 0.91 1.04 1.25 1.54 1.66 1.73 2.08 2.26 2.52 2.69 0.23 0.38 0.56 t.b.d. 0.83 0.94 1.13 1.39 1.50 1.56 1.88 2.08 2.26 2.50 0.20 0.33 0.50 t.b.d. 0.73 0.83 1.00 1.22 1.32 1.38 1.65 1.95 1.99 2.31 0.17 0.29 0.44 t.b.d. 0.64 0.73 0.87 1.07 1.16 1.20 1.45 1.74 1.75 2.12 0.14 0.23 0.34 t.b.d. 0.50 0.56 0.74 0.85 0.90 0.98 1.13 1.48 1.34 1.83 In our continuing strategy to deliver unparalleled circuit protection solutions, technical expertise and application leadership, we proudly introduce the WICKMANN Group and its products to the Littelfuse portfolio. www.littelfuse.com