ESD static protection components

ESD electrostatic protection

ESD electrostatic protection

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
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
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
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
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
Inner Diagram Data sheet
SD4501P4-3 4.5 5 10 2800 5500 SD4501P4-3
SD4501P4-3
SD0701P4-3 7 7.5 10 1000 6000 SD0701P4-3
SD0701P4-3
SD1201P4-3 12 13 22 1500 5400 SD1201P4-3
SD1201P4-3
LC0504N 5 6 10 0.8 100 LC0504N
LC0504N
SDA33CP10 3.3 4 7.5 4.5 200 SDA33CP10
SDA33CP10
SDA05CP10 5 6 9.8 4.5 200 SDA05CP10
SDA05CP10
SDA08CP10 8 8 14 3.5 200 SDA08CP10
SDA08CP10
ULC0524P 5 6 9.8 0.3 75 ULC0524P
ULC0524P
ULC0544P10 5 6 9.8 0.45 60 ULC0544P10
ULC0544P10
ULC3304P10 3.3 4.5 6.5 0.4 60 ULC3304P10
ULC3304P10
ULC0504P10 5 6 9.8 0.5 100 ULC0504P10
ULC0504P10
ULC0804P10 8 8.5 14 0.5 100 ULC0804P10
ULC0804P10
ULC052510BP10 5 6 18 0.1 50 ULC052510BP10
ULC052510BP10
EM2376K 5 6 8.5 260 EM2376K
EM2376K
LC2504P8 2.5 2.7 4.5 3 450 LC2504P8
LC2504P8
LC3304P8 3.3 3.8 5.5 3.8 450 LC3304P8
LC3304P8
EM6401M 5 6 - 34 260 EM6401M
EM6401M
LC0534N 5 6 12 0.6 90 LC0534N
LC0534N
LC3374N 3.3 3.5 5.5 2.5 1000 LC3374N
LC3374N
ULC0506N 5 6 8.5 0.35 150 ULC0506N
ULC0506N
EM2378K 5 6 8.5 260 EM2378K
EM2378K
ULC0568K 5 6 12 0.3 100 ULC0568K
ULC0568K
ULC0568M 5 6 9.8 1 150 ULC0568M
ULC0568M
ULC3306MB 3.3 4.5 7 0.5 50 ULC3306MB
ULC3306MB
ULC0544M 5 6 12 0.6 100 ULC0544M
ULC0544M
ULC0504M 5 6 12 1.5 100 ULC0504M
ULC0504M
LC0518MA 5 6 12 0.6 100 LC0518MA
LC0518MA
SMDA05C-8 5 6 9.8 350 300 SMDA05C-8
SMDA05C-8
SMDA12C-8 12 13.3 19 120 300 SMDA12C-8
SMDA12C-8
SMDA15C-8 15 16.7 24 75 300 SMDA15C-8
SMDA15C-8
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