TVS Diodes

A ‌Transient Voltage Suppression (TVS) diode‌ is a specialized semiconductor device designed to protect sensitive electronics from ‌sudden voltage spikes‌ (e.g., electrostatic discharge/ESD, lightning strikes, or switching surges). It operates by rapidly diverting excess current away from protected circuits, clamping the voltage to a safe level within nanoseconds. Unlike standard diodes, TVS diodes feature ‌larger PN junctions‌ to handle high-energy transients without damage‌

Core Working Principle‌:

‌1. Reverse Standby State:

In normal operation (voltage < breakdown threshold), the TVS diode acts as an open circuit with minimal leakage current.

2‌. Clamping During Surge:

When a transient voltage exceeds the ‌reverse breakdown voltage(typically 5V–495V), the diode instantly switches to a low-impedance state, shunting current to ground and limiting voltage across the protected circuit‌

3.Self-Recovery:

After the surge passes, it automatically resets to standby mode.

Part Number

UNI-POLAR

BI-POLAR

Package

Device Marking Code

UNI

BI

Power Dissipation

Ppk(W)

Reverse
Stand-off
Voltage

VRWM(V)

Breakdown Voltage VBR @  IT

Min.(V)

Max.(V)

Test Current

IT(mA)

Max. Clamping Voltage @ IPP

VC MAX.(V)

Max. Peak Pulse Current

IPP(A)

Max. Reverse
Leakage @ VRWM 

IR(μA)

P2SM43CA
SOD123FL
43A
43C
200
36.8
40.9
45.2
1
59.3
3.45
1
P2SM47CA
SOD123FL
47A
47C
200
40.2
44.7
49.4
1
64.8
3.15
1
P2SM51CA
SOD123FL
51A
51C
200
43.6
48.5
53.6
1
70.1
2.9
1
P2SM56CA
SOD123FL
56A
56C
200
47.8
53.2
58.8
1
77
2.65
1
P2SM62CA
SOD123FL
62A
62C
200
53
58.9
65.1
1
85
2.4
1
P2SM68CA
SOD123FL
68A
68C
200
58.1
64.6
71.4
1
92
2.25
1
P2SM75CA
SOD123FL
75A
75C
200
64.1
71.3
78.8
1
103
2
1
P2SM82CA
SOD123FL
82A
82C
200
70.1
77.9
86.1
1
113
1.8
1
P2SM91CA
SOD123FL
91A
91C
200
77.8
86.5
95.5
1
125
1.65
1
P2SM100CA
SOD123FL
100A
100C
200
85.5
95
105
1
137
1.5
1
P2SM110CA
SOD123FL
110A
110C
200
94
105
116
1
152
1.35
1
P2SM120CA
SOD123FL
120A
120C
200
102
114
126
1
165
1.25
1
P2SM130CA
SOD123FL
130A
130C
200
111
124
137
1
179
1.15
1
P2SM150CA
SOD123FL
150A
150C
200
128
143
158
1
207
1
1
P2SM160CA
SOD123FL
160A
160C
200
136
152
168
1
219
0.95
1
Total 1659 < 1...567...111 > proceed page OK

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Address: No.196, East Qingyu Road‌, Rucheng Street, Rugao-226500, Jiangsu Province, China.

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