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
SMDA24C-8	24	26.7	43	50	300
SD03	3.3	5	6.5	195	500
SD05	5	6	-	200	350
SD12	12	13.3	19	60	300
SD15	15	16.7	24	100	500
SD24	24	26.5	35	50	300
SD36	36	40	60	75	500
SD03C	3.3	4	7	200	400
SD05C	5	8	13	110	300
SD08C	8	8.5	13.4	120	600
SD12C	12	13.3	24	56	320
SD15C	15	16.7	24	68	400
SD18C	18	19	28	42	320
SD24C	24	26.7	40	25	320
SD36C	36	40	60	35	350
SD48C	48	50	65	11	240
LC03CI	3.3	4	9	0.6	400
LC05CI	5	6	10	0.6	350
LC08CI	8	8.5	13.4	0.4	300
LC12CI	12	13.3	19	1	300
LC15CI	15	16.7	22	1	350
LC24CI	24	26.7	43	1	350
LC36CI	36	40	60	1	350
LC2511CCW	2.5	3	5.8	1	200
LC3311CCW	3.3	4	9	0.6	400
SD0771D3W	7	7.5	12	550	1500
SD1271D3W	12	12.6	18	550	1600
SD1571D3W	15	16.5	22	450	1620
SD1871D3W	18	19.6	26	350	1610
SD2471D3W	26.7	19.6	42	200	1650

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