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
SMS24C 24 26.7 40 30 320 SMS24C
SMS24C
USRV05-4 5 7.5 16 0.6 300 USRV05-4
USRV05-4
SRV05-4W 5 6 12 3 500 SRV05-4W
SRV05-4W
SRV0504 5 6 10 0.8 75 SRV0504
SRV0504
SR3.3 3.3 4 6.8 0.8 50 SR3.3
SR3.3
SR05 5 6 10 0.45 150 SR05
SR05
LC3302DT4 3.3 4.3 6.7 2 400 LC3302DT4
LC3302DT4
LC3301CDT4 3.3 4 7 3 400 LC3301CDT4
LC3301CDT4
LC0501CDT4 5 6 9.8 3 400 LC0501CDT4
LC0501CDT4
LC1201CDT4 12 13.3 19 3 400 LC1201CDT4
LC1201CDT4
LC2401CDT4 24 26.7 40 3 400 LC2401CDT4
LC2401CDT4
SDA05DT4 5 6 10 24 150 SDA05DT4
SDA05DT4
SR70 70 85 1.5 5 250 SR70
SR70
LC0534DT4 5 6 9.8/12 250/0.45 450/100 LC0534DT4
LC0534DT4
LC1234DT4 12月5日 13.3/6 12月19日 110/0.45 450/100 LC1234DT4
LC1234DT4
LC05CW 5 6 9.8 1.2 100 LC05CW
LC05CW
SDA33W5 3.3 4.5 8 60 100 SDA33W5
SDA33W5
SDA05W5 5 6.1 10 90 150 SDA05W5
SDA05W5
SDA12W5 12 13.3 13.4 25 100 SDA12W5
SDA12W5
ESDA3.3CW-4 3.3 4.5 7.5 13 100 ESDA3.3CW-4
ESDA3.3CW-4
ESDA5.0CW-4 5 6.5 9.8 10 100 ESDA5.0CW-4
ESDA5.0CW-4
SDA05CW 5 6 9.8 50 100 SDA05CW
SDA05CW
LC0504F 5 6 15 0.4 250 LC0504F
LC0504F
ESDA3304T5 3.3 4.5 8.5 9 20 ESDA3304T5
ESDA3304T5
ESDA0504T5 5 6 9.8 0.7 60 ESDA0504T5
ESDA0504T5
ULC0504T5Q 5 6 12 0.5 100 ULC0504T5Q
ULC0504T5Q
SDA0504T6 5 6 9.8 30 100 SDA0504T6
SDA0504T6
ULC0502A 5 6 13 0.6 125 ULC0502A
ULC0502A
SDA0505T6 5 6 8 55 100 SDA0505T6
SDA0505T6
ULC0504T6 5 6 15 0.7 100 ULC0504T6
ULC0504T6
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