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)

30KP168CA
R-6
30KP168A
30KP168CA
30000
168
186.6
206.4
5
272.4
111.2
2
30KP170CA
R-6
30KP170A
30KP170CA
30000
170
189
209
5
275
110.2
2
30KP180CA
R-6
30KP180A
30KP180CA
30000
180
199.8
220.8
5
290.4
104.3
2
30KP198CA
R-6
30KP198A
30KP198CA
30000
198
220.2
243.6
5
319.8
94.7
2
30KP216CA
R-6
30KP216A
30KP216CA
30000
216
240
365.2
5
348.6
86.9
2
30KP240CA
R-6
30KP240A
30KP240CA
30000
240
266.4
294.6
5
387
78.3
2
30KP258CA
R-6
30KP258A
30KP258CA
30000
258
286.8
316.8
5
416.4
72.8
2
30KP260CA
R-6
30KP260A
30KP260CA
30000
260
290.2
317.8
5
416.4
72.8
2
30KP270CA
R-6
30KP270A
30KP270CA
30000
270
300
331.8
5
436.2
69.5
2
30KP280CA
R-6
30KP280A
30KP280CA
30000
280
312.6
342.2
5
464
65.3
2
30KP288CA
R-6
30KP288A
30KP288CA
30000
288
319.8
353.4
5
469.9
64.5
2
30KP300CA
R-6
30KP300A
30KP300CA
30000
300
333
368.5
5
483
62
2
30KP350CA
R-6
30KP350A
30KP350CA
30000
350
389
429.8
5
564
53
2
30KP400CA
R-6
30KP400A
30KP400CA
30000
400
444
491.2
5
644
46
2
SOD123FL
3V3
/
200
3.3
5.2
6
10
8
25
800
Total 1659 < 1...108109110111 > proceed page OK

Nantong JUXIN Semiconductor Co., Ltd.

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

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Address: No.99,Shuanglong Road,Chizhou Economic Technology Development Zone,Anhui Province,China.


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