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
PESD3042U005 30 450 40 0.05 PESD3042U005
PESD3042U005
SM24Q 24 27 45 20 270 SM24Q
SM24Q
PESD1LIN 15, 24 18.5, 27.8 25, 40 13 160 PESD1LIN
PESD1LIN
LC05CD 5V 6V 12V 0.5 350W LC05CD
LC05CD
SD36W 36 40 46.1 45 450 SD36W
SD36W
LMUN5211T1G 50 LMUN5211T1G
LMUN5211T1G
ULC0511DN 5 6 9 0.5 80 ULC0511DN
ULC0511DN
LC03CIH 3.3 6 20 1.2 600 LC03CIH
LC03CIH
LBAS21HT1G 250 250 - 5 - LBAS21HT1G
LBAS21HT1G
NSR20F40 40 45 NSR20F40
NSR20F40
LM0603TD2A32V LM0603TD2A32V
LM0603TD2A32V
LMPY160808T-221Y-N LMPY160808T-221Y-N
LMPY160808T-221Y-N
ESDA33CP30 3.3 3.8 5.5 17 100 ESDA33CP30
ESDA33CP30
RB521CS-30 30 30 RB521CS-30
RB521CS-30
L1SS400T1G 90 3 L1SS400T1G
L1SS400T1G
?LMTL5P02 ?LMTL5P02
?LMTL5P02
SMC24-323 24 27 36 10 150 SMC24-323
SMC24-323
ESDA05CT30 5 5.5 9 15 100 ESDA05CT30
ESDA05CT30
S-LBAW56LT1G 70 70 2 S-LBAW56LT1G
S-LBAW56LT1G
S-LBAV99LT1G 70 70 2 S-LBAV99LT1G
S-LBAV99LT1G
S-LUDZS4.7BT1G S-LUDZS4.7BT1G
S-LUDZS4.7BT1G
S-LUDZS6.2BT1G 200 S-LUDZS6.2BT1G
S-LUDZS6.2BT1G
S-LUDZS9.1BT1G 200 S-LUDZS9.1BT1G
S-LUDZS9.1BT1G
S-LMUN2111LT1G S-LMUN2111LT1G
S-LMUN2111LT1G
SMC24Q 24 30.5 40 50 420 SMC24Q
SMC24Q
LMTL4N02 LMTL4N02
LMTL4N02
PESD1463L250 11 18 30 250 PESD1463L250
PESD1463L250
PESD2ETH100-TQ 24 27 36 5 180 PESD2ETH100-TQ
PESD2ETH100-TQ
BAS21H 200 5 BAS21H
BAS21H
BZT52B5V1SQ BZT52B5V1SQ
BZT52B5V1SQ
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