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
1SS355 80 3 1SS355
1SS355
SMC24-323Q 24 27 36 10 150 SMC24-323Q
SMC24-323Q
BZT52B4V7SQ BZT52B4V7SQ
BZT52B4V7SQ
BAW156 85 4 BAW156
BAW156
BZT52B5V6SQ BZT52B5V6SQ
BZT52B5V6SQ
BZT52B3V6SQ BZT52B3V6SQ
BZT52B3V6SQ
BZX84C5V1 5.4 BZX84C5V1
BZX84C5V1
BZX84C18 18 BZX84C18
BZX84C18
BC807-16 BC807-16
BC807-16
CD4148WSN 100 2 CD4148WSN
CD4148WSN
GBLC03C 3.3 6 9 0.6 400 GBLC03C
GBLC03C
ESD4521CH 4.5 4.8 6 100 500 ESD4521CH
ESD4521CH
?S-LRB520S-30T1G 30 ?S-LRB520S-30T1G
?S-LRB520S-30T1G
SR33-04AW 3.3 5.5 11 1.5 480 SR33-04AW
SR33-04AW
ESDA05CPL 5 5.5 12 3 30 ESDA05CPL
ESDA05CPL
PESD3063U005 30 40 0.05 PESD3063U005
PESD3063U005
ULC0811CDN 8 9.5 18 0.3 90 ULC0811CDN
ULC0811CDN
SMC27Q 27 28 40 12 160 SMC27Q
SMC27Q
ESDA33CT30 3.3 3.5 8 10.3 90 ESDA33CT30
ESDA33CT30
GBLC05C 5 8 20 0.6 360 GBLC05C
GBLC05C
LC0502D6 5 6 12 0.8 70 LC0502D6
LC0502D6
ESDA07CP30 7 7.5 10 15 80 ESDA07CP30
ESDA07CP30
LC03I 3.3 4 13.9 0.4 350 LC03I
LC03I
LC15I 15 16.7 35 1 210 LC15I
LC15I
GBLC15C 15 17.5 23 0.6 350 GBLC15C
GBLC15C
BAT54C 30 30 10 BAT54C
BAT54C
ESD6V8W5 5 6.4 13 16.8 20 ESD6V8W5
ESD6V8W5
PESD2442U005 24 40 0.05 PESD2442U005
PESD2442U005
SDA05T1H 5 6 11.6 80 174 SDA05T1H
SDA05T1H
ULC0542C13 5 6 15 0.15 45 ULC0542C13
ULC0542C13
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