POLYFUSE® RESETTABLE FUSES STD Strap Type, 15 V / 24 V Specifications Standard Packaging A small pack D standard Approvals Materials Insulating material: Polyester Tape Terminals: Nickel Features Max. Device Surface Temperature in Tripped State UL 1434 1st Edition CSA C22.2 No. 0 CSA TIL No. CA-3A cULus Recognition TÜV 125 °C This axial leaded strap product is designed to provide reliable, non-cycling protection for rechargeable batteries. The weldable nickel leads with a narrow, low profile design are ideal to be installed directly onto battery cells. Dimensions (mm) 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-STD-883C, Condition A, no change Marking “P”, Part Code, identification, lot number S: one slot Dimensions (mm) Model STD120 STD120S STD175 STD175S STD200 STD350 STD420 Fig Min 1 2 1 2 1 1 1 19.9 19.9 20.9 20.9 23.3 28.4 30.6 A Max B Min Max C Min Max D Min 22.1 22.1 23.1 23.1 23.4 31.8 32.4 4.9 4.9 4.9 4.9 10.2 13.0 12.9 0.6 0.6 0.6 0.6 0.5 0.5 0.5 5.5 5.5 4.1 4.1 5.0 6.3 5.0 5.2 5.2 5.2 5.2 11.0 13.5 13.6 1.0 1.0 1.0 1.0 1.1 1.1 1.1 E Min Max 3.9 3.9 3.9 3.8 4.8 6.0 5.0 4.1 4.1 4.1 4.2 5.4 6.6 6.7 packaging quantity small pack standard 500 500 500 500 500 500 500 10,000 10,000 10,000 10,000 10,000 5,000 5,000 Permissible continuous operating current is ≤ 100 % at ambient temperature of 20 ºC (68 ºF). NOTE: I hold = I trip = Vmax = I max = Vmax. dc (V) Imax. (A) 1.20A 1.20A 1.75A 1.75A 2.00A 3.50A 4.20A 2.7 2.7 3.8 3.8 4.4 6.3 7.6 15V 15V 15V 15V 24V 24V 24V 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 041006 ITrip (A) Qty. OrderNumber Model max. time to trip (s @ A) 5.00 @ 6.00 5.00 @ 6.00 5.00 @ 8.75 5.00 @ 8.75 4.00 @ 10.00 3.00 @ 20.00 6.00 @ 20.00 Pd max. (W) 1.20 1.20 1.50 1.50 1.90 2.50 2.90 Resistance R min.( ) R max.( ) 0.085 0.085 0.050 0.050 0.030 0.017 0.012 0.160 0.160 0.090 0.090 0.060 0.031 0.024 Approvals RI max.( ) 0.220 0.220 0.120 0.120 0.100 0.050 0.040 TÜV STD120 STD120S STD175 STD175S STD200 STD350 STD420 Ihold (A) cURus Model • • • • • • • • • • • • • • 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 STD A B C DE A: STD120 B: STD175 C: STD200 D: STD350 E: STD420 Further Time-Current-Curves on request Thermal Derating Chart Model STD120 STD120S STD175 STD175S STD200 STD350 STD420 041006 Ambient Operation Temperature - Ihold (A) -40 °C -20 °C 0 °C 23 °C 40 °C 50 °C 60 °C 70 °C 85 °C 1.90 1.90 2.50 2.50 3.20 5.40 6.40 1.70 1.70 2.30 2.30 2.80 4.80 5.70 1.50 1.50 2.00 2.00 2.50 4.30 5.10 1.20 1.20 1.75 1.75 2.00 3.50 4.20 1.00 1.00 1.50 1.50 1.70 3.00 3.60 0.90 0.90 1.30 1.30 1.60 2.80 3.30 0.80 0.80 1.20 1.20 1.40 2.50 3.00 0.70 0.70 1.10 1.10 1.20 2.20 2.60 0.50 0.50 0.90 0.90 0.90 1.70 2.10 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