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
ESD3321C	3.3	4.1	7	11	90
ESDA3306P6	3.3	4.5	8.5	9	20
ESDA0506P6	5	6	9.8	8	20
LC0504PL6	5	6	10	0.8	75
ULC0321S	3.3	6.3	15	0.2	51
ULC0321CDNH	3.3	7.8	9.4	0.26	40
ULC0521CT	5	7.5	20	0.18	60
ULC0521C	5	9.5	12	0.26	130
ULC0721C	7	8.5	25	0.3	100
PESD11B8V0	8	17	23	4	100
ULC0521	5	6	15	80	100
ESDA3302P3	3.3	4.5	12	9	20
ESDA0502P3	5	6	15	80	100
ESDA1202P3	12	13.3	17	6	20
ESDA05CP3	5	6	10	3.5	30
ULC0503NL	5	6	16	0.8	56
ULC0542T	5	6	10	0.3	75
SD0371P6W	3.3	4.9	7	350	1300
SD0571P6W	5	6	15	960	2100
SD0771P6W	7	7.5	12	550	2000
ESD1285WP	11	13.3	18.5	250	1500
SD1271P6W	12	12.6	18	500	2000
SD1571P6W	15	16.5	22	450	2000
SD1871P6W	18	19.6	26	350	2000
SD2471P6W	24	26.7	42	200	2000
SD3671P6W	36	40	40	200	1600
ESDA1206P6	12	13.3	17	6	20
ULC0504P	5	6	10	0.4	100
EM2374K	5	6	-	8.5	260
ULC33CP8	3.3	3.5	7.5	1.5	360

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