POLYFUSE® RESETTABLE FUSES LTD Strap Type, 15 V / 24 V Specifications Standard Packaging A small pack D standard Approvals Materials Insulating material: Terminals: UL 1434 1st Edition CSA C22.2 No. 0 CSA TIL No. CA-3A cULus Recognition TÜV Max. Device Surface Temperature in Tripped State Features 120 °C This product line similar to the STD family is designed to provide overcurrent protection for rechargable batteries at elevated temperatures. These devices offer hold currents from 0.7 A to 4.3 A and voltages from 15 V to 24 V. Dimensions (mm) Polyester Tape Nickel Operating / Storage Temperature -40 ºC to +85 ºC (consider derating) Humidity Ageing +85 °C, 85 % R.H., 7 days, ± 5 % typical resistance change Vibration MIL-LTD-883C, Condition A, no change Marking “P”, Part Code, identification, lot number S: one slot SS: two slots B Min Max LTD070 LTD070S LTD100 LTD100S LTD100SS LTD180 LTD180S LTD180SS LTD190 LTD260 LTD300 LTD310 LTD340 19.9 19.9 20.9 20.9 20.9 24.0 24.0 24.0 21.3 24.0 28.4 24.0 24.0 4.9 4.9 4.9 4.9 4.9 4.9 4.9 4.9 10.2 10.8 13.0 14.8 14.8 1 2 1 2 3 1 2 3 1 1 1 1 1 22.1 22.1 23.1 23.1 23.1 26.0 26.0 26.0 23.4 26.0 31.8 26.0 26.0 C Min Max 5.2 5.2 5.2 5.2 5.2 5.2 5.2 5.2 11.0 11.9 13.5 15.9 15.9 0.7 0.7 0.6 0.6 0.6 0.6 0.6 0.6 0.5 0.6 0.5 0.6 0.6 D Min 1.2 1.2 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.1 1.0 1.0 5.5 5.5 4.1 4.1 4.1 4.1 4.1 4.1 5.0 5.0 6.3 5.0 5.0 Permissible continuous operating current is ≤ 100 % at ambient temperature of 20 ºC (68 ºF). Model Ihold ITrip Vmax. dc Imax. max. time to trip (mA/A) (A) (V) (A) (s @ A) LTD070 LTD070S LTD100 LTD100S LTD100SS LTD180 LTD180S LTD180SS LTD190 LTD260 LTD300 LTD310 LTD340 NOTE: I hold = I trip = Vmax = I max = 1.50 1.50 2.50 2.50 2.50 3.80 3.80 3.80 4.20 5.20 6.30 6.00 6.80 15 15 24 24 24 24 24 24 24 24 24 24 24 100 100 100 100 100 100 100 100 100 100 100 100 100 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 040706 700 700 1.00 1.00 1.00 1.80 1.80 1.80 1.90 2.60 3.00 3.10 3.40 Qty. OrderNumber Model 5.0 @ 3.5 5.0 @ 3.5 7.0 @ 5.0 7.0 @ 5.0 7.0 @ 5.0 2.9 @ 9.0 2.9 @ 9.0 2.9 @ 9.0 3.0 @ 10.0 5.0 @ 13.0 4.0 @ 15.0 5.0 @ 16.0 5.0 @ 17.0 E Min Max 3.9 3.9 3.9 3.9 3.9 3.9 3.9 3.9 4.8 5.9 6.0 5.9 5.9 packaging quantity small pack standard 4.1 4.1 4.1 4.1 4.1 4.1 4.1 4.1 5.4 6.1 6.6 6.1 6.1 500 500 500 500 500 500 500 500 500 500 500 500 500 Pd max. (W) R min.( ) 1.00 1.00 1.50 1.50 1.50 2.00 2.00 2.00 1.90 2.30 2.00 2.50 2.70 0.100 0.100 0.070 0.070 0.070 0.040 0.040 0.040 0.030 0.025 0.015 0.018 0.016 10,000 10,000 10,000 10,000 10,000 10,000 10,000 10,000 10,000 10,000 10,000 10,000 10,000 Resistance Approvals R max.( ) RI max.( ) 0.200 0.200 0.130 0.130 0.130 0.068 0.068 0.068 0.057 0.042 0.031 0.030 0.027 0.340 0.340 0.260 0.260 0.260 0.120 0.120 0.120 0.100 0.076 0.055 0.055 0.050 TÜV A Min Max cURus Dimensions (mm) Model Fig • • • • • • • • • • • • • • • • • • • • • • • • • • 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. www.littelfuse.com POLYFUSE® RESETTABLE FUSES LTD A: LTD190 B: LTD180 C: LTD100S A BC 100.00 Time to Trip (s) 10.00 1.00 0.10 0.01 1.00 10.00 100.00 Fault Current (A) Thermal Derating Chart Model LTD070 LTD070S LTD100 LTD100S LTD100SS LTD180 LTD180S LTD180SS LTD190 LTD260 LTD300 LTD310 LTD340 040706 Ambient Operation Temperature - Ihold (A) -40 °C -20 °C 0 °C 23 °C 40 °C 50 °C 60 °C 70 °C 85 °C 1.20 1.20 1.86 1.86 1.86 3.13 3.13 3.13 3.32 4.30 5.10 5.36 5.52 1.09 1.09 1.60 1.60 1.60 2.68 2.68 2.68 2.86 3.72 4.40 4.58 4.79 0.85 0.85 1.40 1.40 1.40 2.20 2.20 2.20 2.40 3.10 3.70 3.70 4.00 0.70 0.70 1.00 1.00 1.00 1.80 1.80 1.80 1.90 2.60 3.00 3.10 3.40 0.50 0.50 0.83 0.83 0.83 1.33 1.33 1.33 1.48 1.98 2.30 2.36 2.60 0.45 0.45 0.70 0.70 0.70 1.10 1.10 1.10 1.25 1.69 1.95 2.01 2.24 0.35 0.35 0.60 0.60 0.60 0.90 0.90 0.90 1.10 1.40 1.60 1.70 1.90 0.28 0.28 0.44 0.44 0.44 0.65 0.65 0.65 0.79 1.11 1.25 1.30 1.51 0.16 0.16 0.23 0.23 0.23 0.36 0.36 0.36 0.43 0.60 0.69 0.71 0.78 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