ESD static protection components

Information of ESD
Electrostatic Discharged Protection Devices, referred to as ESD. It is mainly used to protect the Electrostatic Discharge of communication interface .

The reason of Electrostatic Discharge：

a. Two substances via the contact friction and loss of electrons or the electron, the charge band (no flow) termed static;

b. Due to switch electricity or lightning induced surge also indirect causes static electricity;

c. Temperature and humidity affect the turboelectric charged, at less than 45℃, it will produce higher humidity greater voltage more than in 55℃, damaging also relatively large.

The selection tips of ESD

1. The Vrwm is bigger or equal to the circuit working voltage is better;

2. The Cp of ESD is confirmed by the rate of data port, the data transfer more faster ,the Cp of ESD should be more smaller;

3. Selecting suitable Ipp for your circuit, the suitable Vc for your circuit and power=Ipp*Vc*power factor;

4. According to the PCB to select package (1-channel or multi-channels).

Part Number	Vrwm(V) All 1 1.5 1.8 12月5日 15, 24 2.5 2.8 3 3.3 4 4.5 5 5.4 6 7 8 11 12 15 18 24 26.7 27 30 33 36 40 48 100 200 250 5V 70 7月12日 80 85 90 Filter Reset	Vbr(V) All - 13.3/6 18.5, 27.8 2.3 2.5 2.7 2.9 3 3.2 3.5 3.6 3.7 3.8 4 4.1 4.2 4.3 4.5 4.7 4.8 4.9 5 5.4 5.5 5.6 5.7 5.8 6 6.1 6.2 6.3 6.4 6.5 6.8 7 7.1 7.5 7.8 8 8.2 8.5 9 9.5 12 12.6 13 13.3 14 14.2 14.5 16 16.5 16.7 17 17.5 18 18.5 19 19.5 19.6 22 25 25.5 26.5 26.7 27 28 28.5 30 30.5 31 33.3 36.7 37 38 40 42 45 48 50 250 450 6V 7.5/13.3 70 85 Filter Reset	Vc(V) All - 1.5 1.8 10月28日 12V 12月19日 2.5 25, 40 3 3.5 4 4.3 4.5 5 5.5 5.8 6 6.3 6.5 6.7 6.8 7 7.5 8 8.4 8.5 8.7 9 9.4 9.5 9.8 10 10.9 11 11.6 12 12.9 13 13.4 13.9 14 15 15.3 16 17 18 18.5 18.6 19 20 20.5 22 23 24 25 26 28 30 33 34 35 36 37 38 40 42 42.4 43 45 46.1 48 50 53 55 60 62 65 75 9.8/12 Filter Reset	Cj(pF) All 0.05 0.1 0.15 0.17 0.18 0.2 0.26 0.3 0.34 0.35 0.4 0.45 0.5 0.6 0.65 0.7 0.8 0.83 0.9 1 1.2 1.5 110/0.45 2 2.5 3 3.5 3.8 4 4.5 5 6 7 8 8.3 8.5 9 10 10.3 11 12 13 15 16.8 17 20 23 24 25 250/0.45 27 28 30 32 34 35 40 42 45 48 50 52 55 56 60 65 68 70 75 80 85 90 100 110 120 135 145 150 160 168 195 200 230 240 250 300 325 350 400 450 480 500 550 740 800 900 960 1000 1500 2800 Filter Reset	Ppp(W) All - 14 20 25 28 30 35 36 40 45 50 51 55 56 60 70 75 80 90 92 100 102 125 130 140 150 160 161 162 174 180 200 210 216 240 250 260 270 280 300 310 320 340 350 360 400 420 450 460 480 500 600 650 700 800 1000 1122 1300 1425 1450 1480 1500 1600 1610 1620 1650 1700 1800 2000 2100 350W 450/100 5400 5500 6000 6500 6900 Filter Reset
SM15	15	16	24	100	450
SM24	24	26.7	43	90	240
SM36	36	48	65	45	400
LCC33DT3	3.3	4	7	1.5	300
LCC05DT3	5	5.8	9.8	0.6	180
LCC12DT3	12	13.3	19	1.5	180
LCC15DT3	15	16.7	24	1.5	180
LCC24DT3	24	26.7	43	1.5	180
ULC05DT3	5	6	9	0.8	80
SM712	7月12日	7.5/13.3	10月28日	30	340
SMC33	3.3	4	12	80	300
SMC05	5	6	9.8	65	400
SMC08	8	8.5	13.4	75	350
SMC12	12	14.2	17	45	450
SMC15	15	18.5	30	40	270
SMC18	18	19.5	35	20	350
SMC24	24	28.5	35	30	420
SMC36	36	40	60	15	360
SLVU2.8	2.8	3	7	3	400
SQV05C	5	6.5	9.8	20	100
ULC05-2	5	6	12	0.45	70
SMS3.3	3.3	4.5	7.5	250	350
SMS05	5	6	9.8	200	300
SMS12	12	13.3	19	90	350
SMS15	15	16.7	30	48	350
SMS24	24	26.7	40	30	320
SMS3.3C	3.3	4	7.5	250	350
SMS05C	5	6	9.8	200	350
SMS12C	12	13.3	19	90	350
SMS15C	15	16.7	24	70	350

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