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
ULC0502M3Q 5 6 12 0.3 100 ULC0502M3Q
ULC0502M3Q
ULC0502T3 5 6 9.8 0.6 100 ULC0502T3
ULC0502T3
ESD2511CDN 2.5 3 6 60 310 ESD2511CDN
ESD2511CDN
ULC3311CDN 3.3 4.2 10 0.45 56 ULC3311CDN
ULC3311CDN
ESDA33CP 3.3 3.5 6.5 12 80 ESDA33CP
ESDA33CP
ESD4521C 4.5 4.8 6.5 60 300 ESD4521C
ESD4521C
ESDA05CP 5 6 7.5 15 80 ESDA05CP
ESDA05CP
SMDA05CCN 5 7 12 60 300 SMDA05CCN
SMDA05CCN
LC6511CP 6 6.5 18 5 50 LC6511CP
LC6511CP
ESDA08CP 8 9 16 7 150 ESDA08CP
ESDA08CP
ULC0511CDN 5 9.5 10 0.3 60 ULC0511CDN
ULC0511CDN
SDA3311CDN 3.3 5 11 50 420 SDA3311CDN
SDA3311CDN
SDA0511CDN 5 7 9 60 300 SDA0511CDN
SDA0511CDN
SDA0811CDN 8 8.5 10 80 300 SDA0811CDN
SDA0811CDN
SDA1211CDN 12 14 15.3 8 150 SDA1211CDN
SDA1211CDN
SDA1511CDN 15 16 18 10 200 SDA1511CDN
SDA1511CDN
SDA2411CDN 24 27 34 20 300 SDA2411CDN
SDA2411CDN
SDA3611CDN 36 42 55 20 300 SDA3611CDN
SDA3611CDN
SMDA05NLI SMDA05NLI
SMDA05NLI
PESD0542U005 PESD0542U005
PESD0542U005
PESD0342U005 PESD0342U005
PESD0342U005
SDA1511DNH SDA1511DNH
SDA1511DNH
SMDA24TN SMDA24TN
SMDA24TN
ULC052010P5 5 6.5 15 0.2 60 ULC052010P5
ULC052010P5
SD2402P4-3 24 25 40 800 5400 SD2402P4-3
SD2402P4-3
SD1501P4-3 15 16.5 28 480 6500 SD1501P4-3
SD1501P4-3
ULC0544T 5 9 15 0.4 60 ULC0544T
ULC0544T
ESDA05CP30 5 6 7.5 15 80 ESDA05CP30
ESDA05CP30
ULC0542C 5 6.5 25 0.3 100 ULC0542C
ULC0542C
SD0771D3W 7 7.5 8 550 1500 SD0771D3W
SD0771D3W
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