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QS54FCT2374ATDB Datasheet
These devices feature the ability to clamp dangerous high voltage short term transients such as produced by directed or radiated electro-static-discharge phenomena before entering sensitive component regions of a circuit desig n. They are small economicaltransient voltage suppressors targeted primarily for short term transients below a few microseconds while still achieving significant peak-pulse-power capability as seen in Figure #1.
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Notes: 1. Test conditions assume signal transition times of 5 ns orless, timing reference levels of l.5V, input pulse levels of o t0 3.OV and outputloading specified in Figure la. 2. Tested with theload in Figure lb. Transition is measured +500 mV from steady-state voltage. Not 100% tested. 3. The internal write time is defined by the overlap of CEl LOW, CE2 HIGH and WE LOW. All signals must be in valid states to initiate a Write, but any one can go inactive to terminate the Write. The Data Input Setup and Hold timing are referenced to the rising or falling edge of the signal that terminates the Write. 4. Tested with OE HIGH.
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JEOEC TYPE FIUMBER (NotP l) ZEFJER VOLTAGE (vz) ihIOTE 4) TEST CURREbiT MAXIMUM OYNAMJC 1MPEOANCE (Zir r IZT) (Note 2) MAXIMUM REVERSE CUr?RENT [IR r VR) TEST VOLTAGE MAXIMUM REGULATOR CURRENT (im) TA - 50qc MAXIMUM KNEE MPEDANCE Zzk izx) (Note 2) TEST CUF?RENT { izk) MAXIMUM (SURCE) CURRENT [is) (Note 3)
VOLTS mA OHMS nA VOLTS mA OHMS mA
1N4728A 1H4729A 1N4730A 1N4731A 3 3 3 6 3 9 4 3 76 69 64 58 10 10 1 00 1 00 50 1 0 1 276 252 234 217 40 40 40 40 1 0 1 0 1 0 1 0 13 8 12 6 119 10 7
1N4732A 1N4733A 1N4734A 1N4735A 4 7 5.1 5 6 6 2 53 49 45 41 2 10 10 10 10 3 193 17 8 16 2 14 6 50 55 60 70 1 0 1 0 1 0 1 0 97 89 81 73
1N4736A 1N4737A 4738A liq4739A 6 8 7 5 8 2 9 1 37 34 31 28 3 5 4 0 4 5 5 0 10 10 10 10 7 13 3 121 11 10 70 70 70 70 1 0 0 5 0 5 0 5 66 605 55 50
1F14740A 4741A 1N4742A 1N4743A 10 11 12 13 25 23 21 19 10 10 7 6 8 4 9.1 9 9 91 83 76 69 700 70 ;r0 70 0.25 0.25 0.25 0.25 454 414 38 344
1H4744A 1FJ4745A 1N4746A 1N4747A 15 16 18 20 17 15 5 14 12 5 14 16 20 22 5 11.4 12.2 13.7 15.2 61 57 50 45 70 70 75 75 0.25 0.25 0.25 0.25 304 285 25 225
1H4748A 1N4749A 1N4750A 1N4751ll 22 24 27 30 11 5 10 5 9 5 8 5 23 25 35 40 5 16.7 18.2 20.6 22.8 41 38 34 30 75 75 75 10 0 0.25 0.25 0.25 0.25 205 19 17 15
4752A 1H4753A 1N4754A 1N4755A 33 36 39 43 7 5 7 0 6 5 6 0 45 50 60 70 5 25.1 27.4 29.7 32.7 27 25 23 22 10 0 10 0 10 0 15 0 0.25 0.25 0.25 0.25 13 5 12 5 115 11
1tl4756A ihl4757A ihl4758A 1N4759A 47 51 56 62 5 5 5 0 4 5 4 0 80 95 110 125 5 35.8 38 8 42.6 47.1 19 18 16 14 150 150 200 200 0.25 0.25 0.25 0.25 95 90 80 70
1N4760A 1H4761A 1N4762A 1H4763A 68 75 82 91 3 7 3 3 3 0 2 8 15 17 5 20 25 5 51.7 56. 62 2 69 2 13 12 11 10 200 200 300 300 0.25 0 25 0.25 0.25 65 60 55 50
1N4764A 100 2 5 350 5 76 0 9 3000 0 25 45


Pin No. Sltmbol Function Note
1 CFL1 High voltageinput GND2 Recommended inverter
2 CFL3 High voltage Input GND1 Manulacturar - Todai Musen, Ltd.
3 NC Model No. - MIU-201
4 NC Recommended inverter connector Manulaciurer - Hirose Electric Co., Ltd.
5 CFL2 High voltage inpm 2 Model No. - DF3-6P-2H
6 CFL4 High voltage input l